Use realIP

Code was copied from https://github.com/go-chi/chi/blob/master/middleware/realip.go

.gitea/workflows/image-build.yaml

@@ -0,0 +1,35 @@
+name: Build and Push Docker Image on Tag
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  build:
+    name: Build and Push Docker Image
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          registry: code.dlmw.ch
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: code.dlmw.ch/dlmw/qv:${{ env.GITHUB_REF_NAME }}

.gitignore

@@ -30,3 +30,4 @@ go.work.sum
 
 # exclude built binary
 web
+dist/

.goreleaser.yaml

@@ -0,0 +1,43 @@
+version: 2
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - id: qv
+    main: ./cmd/web
+    binary: qv
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+    goamd64:
+      - v1
+      - v2
+      - v3
+      - v4
+    goarm64:
+      - v8.0
+    ldflags:
+      - -s -w
+
+archives:
+  - id: qv-archive
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- .Version }}_
+      {{- .Os }}_
+      {{- .Arch }}_
+      {{- if eq .Arch "amd64" }}{{ .Amd64 }}
+      {{- else if eq .Arch "arm64" }}{{ .Arm64 }}
+      {{- end }}
+    formats: [ "tar.gz" ]
+    format_overrides:
+      - goos: windows
+        formats: [ "zip" ]

Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.23-alpine AS build
+
+WORKDIR /usr/src/qv
+
+COPY go.mod go.sum ./
+RUN go mod download && go mod verify
+
+COPY . .
+RUN go build -ldflags "-s -w" -v -o /usr/local/bin/qv ./cmd/web/
+
+FROM alpine
+
+RUN mkdir /qv
+ENV QV_DATABASE_PATH="/qv/qv.sqlite"
+VOLUME /qv
+
+COPY --from=build /usr/local/bin/qv /usr/local/bin/
+
+ENTRYPOINT ["qv"]

Makefile

@@ -0,0 +1,10 @@
+.PHONY: compile compile-snapshot clean
+
+compile:
+	@goreleaser release --clean --skip=publish
+
+compile-snapshot:
+	@goreleaser release --clean --snapshot --skip=publish
+
+clean:
+	@rm -r dist/

cmd/web/handlers.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	api "code.dlmw.ch/dlmw/qv/internal"
+	"code.dlmw.ch/dlmw/qv/internal/mappers"
 	"code.dlmw.ch/dlmw/qv/internal/models"
 	"code.dlmw.ch/dlmw/qv/internal/validator"
 	"code.dlmw.ch/dlmw/qv/ui"
@@ -9,16 +10,50 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"math"
 	"math/rand"
 	"net/http"
 	"slices"
 	"time"
 )
 
+func (app *application) indexPage(w http.ResponseWriter, r *http.Request) {
+	content, err := ui.Files.ReadFile("index.html")
+	if err != nil {
+		app.serverError(w, r, err)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html")
+	w.Write(content)
+}
+
 func (app *application) createElectionPage(w http.ResponseWriter, r *http.Request) {
 	content, err := ui.Files.ReadFile("create-election.html")
 	if err != nil {
-		app.serverError(w, r, fmt.Errorf("couldn't read create-election.html"))
+		app.serverError(w, r, err)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html")
+	w.Write(content)
+}
+
+func (app *application) getElectionResultsPage(w http.ResponseWriter, r *http.Request) {
+	content, err := ui.Files.ReadFile("election-results.html")
+	if err != nil {
+		app.serverError(w, r, err)
+		return
+	}
+
+	w.Header().Set("Content-Type", "text/html")
+	w.Write(content)
+}
+
+func (app *application) getElectionPage(w http.ResponseWriter, r *http.Request) {
+	content, err := ui.Files.ReadFile("election.html")
+	if err != nil {
+		app.serverError(w, r, err)
 		return
 	}
 
@@ -43,6 +78,10 @@ func (r *createElectionRequestWithValidator) isValid() bool {
 	}
 
 	if r.AreVotersKnown {
+		r.CheckField(validator.LesserThan(r.MaxVoters, 101),
+			"maxVoters",
+			"cannot create a known-voters election with more than 100 voters",
+		)
 		r.CheckField(
 			validator.GreaterThan(r.MaxVoters, 0),
 			"maxVoters",
@@ -103,6 +142,7 @@ func (app *application) CreateElection(w http.ResponseWriter, r *http.Request) {
 			app.serverError(w, r, err)
 			return
 		}
+		w.Header().Set("Content-Type", "application/json")
 	}
 
 	w.Header().Set("Location", fmt.Sprintf("/election/%v", electionId))
@@ -131,7 +171,7 @@ func (r *createVotesRequestWithValidator) isValid() bool {
 	return r.Valid()
 }
 
-func (app *application) CreateVotes(w http.ResponseWriter, r *http.Request, id int) {
+func (app *application) CreateVotes(w http.ResponseWriter, r *http.Request, id string) {
 	var request createVotesRequestWithValidator
 
 	if err := app.unmarshalRequest(r, &request); err != nil {
@@ -237,7 +277,7 @@ func (app *application) createVotesHandleKnownVotersElection(w http.ResponseWrit
 }
 
 func (app *application) createVotesHandleUnknownVotersElection(w http.ResponseWriter, r *http.Request, election *models.Election) (string, error) {
-	voterIdentity := r.RemoteAddr
+	voterIdentity := realIP(r)
 
 	voterExists, err := app.voters.Exists(voterIdentity, election.ID)
 	if err != nil {
@@ -250,26 +290,84 @@ func (app *application) createVotesHandleUnknownVotersElection(w http.ResponseWr
 		return "", fmt.Errorf(message)
 	}
 
+	voterCount, err := app.voters.CountByElection(election.ID)
+	if err != nil && !errors.Is(sql.ErrNoRows, err) {
+		app.serverError(w, r, err)
+		return "", err
+	}
+	if voterCount != 0 && voterCount == election.MaxVoters {
+		message := "maximum voters reached"
+		app.clientError(w, http.StatusUnprocessableEntity, message)
+		return "", fmt.Errorf(message)
+	}
+
 	_, err = app.voters.InsertMultiple([]string{voterIdentity}, election.ID)
 	if err != nil {
 		app.serverError(w, r, err)
 		return "", err
 	}
 
-	voterCount, err := app.voters.CountByElection(election.ID)
-	if err != nil && !errors.Is(sql.ErrNoRows, err) {
-		app.serverError(w, r, err)
-		return "", err
-	}
-	if voterCount == election.MaxVoters {
-		message := "maximum voters reached"
-		app.clientError(w, http.StatusUnprocessableEntity, message)
-		return "", fmt.Errorf(message)
-	}
-
 	return voterIdentity, nil
 }
 
-func (app *application) GetElectionResults(w http.ResponseWriter, r *http.Request, id int) {
+func (app *application) GetElectionResults(w http.ResponseWriter, r *http.Request, id string) {
+	votes, err := app.votes.GetByElection(id)
+	if err != nil {
+		if errors.Is(sql.ErrNoRows, err) {
+			app.clientError(w, http.StatusNotFound, fmt.Sprintf("couldn't find votes for an election with id %v", id))
+			return
+		}
+		app.serverError(w, r, err)
+		return
+	}
 
+	results := getResultsFromVotes(votes)
+
+	response, err := json.Marshal(api.ElectionResultsResponse{Results: &results})
+	if err != nil {
+		app.serverError(w, r, err)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(response)
+}
+
+func getResultsFromVotes(votes *[]models.Vote) []api.VotesForChoice {
+	votesForChoice := make(map[string]int)
+	for _, v := range *votes {
+		votesForChoice[v.ChoiceText] += int(math.Floor(math.Sqrt(float64(v.Tokens))))
+	}
+
+	results := make([]api.VotesForChoice, 0)
+	for choice, votes := range votesForChoice {
+		result := api.VotesForChoice{
+			Choice: choice,
+			Votes:  votes,
+		}
+		results = append(results, result)
+	}
+
+	return results
+}
+
+func (app *application) GetElection(w http.ResponseWriter, r *http.Request, id string) {
+	election, err := app.elections.GetById(id)
+	if err != nil {
+		if errors.Is(sql.ErrNoRows, err) {
+			app.clientError(w, http.StatusNotFound, fmt.Sprintf("couldn't find election with id %v", id))
+			return
+		}
+		app.serverError(w, r, err)
+		return
+	}
+
+	response, err := json.Marshal(mappers.ElectionResponse(election))
+	if err != nil {
+		app.serverError(w, r, err)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.Write(response)
 }

cmd/web/handlers_test.go

@@ -7,6 +7,7 @@ import (
 	"database/sql"
 	"encoding/json"
 	"fmt"
+	"github.com/google/uuid"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"net/http"
@@ -14,17 +15,20 @@ import (
 	"time"
 )
 
+const baseUri = "/api/"
+
 func TestCreateElection(t *testing.T) {
 	app := newTestApplication(t)
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	id, _ := uuid.NewV7()
 	mockElections := app.elections.(*mockElectionModel)
 	mockElections.
 		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
-		Return(1, nil)
+		Return(id.String(), nil)
 
-	path := "/election"
+	path := baseUri + "election"
 
 	tests := []struct {
 		name         string
@@ -78,7 +82,7 @@ func TestCreateElection(t *testing.T) {
 				Choices:        []string{"Gandhi", "Buddha"},
 				ExpiresAt:      time.Now().Add(24 * time.Hour),
 				AreVotersKnown: false,
-				MaxVoters:      10,
+				MaxVoters:      1000,
 				Name:           "Guy of the year",
 				Tokens:         100,
 			},
@@ -175,6 +179,19 @@ func TestCreateElection(t *testing.T) {
 			},
 			expectedCode: http.StatusUnprocessableEntity,
 		},
+		{
+			name:    "Invalid request for known voters election (max voters greater than 100)",
+			urlPath: path,
+			body: api.CreateElectionRequest{
+				Choices:        []string{"Gandhi", "Buddha", ""},
+				ExpiresAt:      time.Now().Add(24 * time.Hour),
+				AreVotersKnown: true,
+				MaxVoters:      101,
+				Name:           "Guy of the year",
+				Tokens:         100,
+			},
+			expectedCode: http.StatusUnprocessableEntity,
+		},
 	}
 
 	for _, tt := range tests {
@@ -190,6 +207,51 @@ func TestCreateElection(t *testing.T) {
 	}
 }
 
+func TestCreateElection_KnownVoters(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	electionId, _ := uuid.NewV7()
+	mockElections := app.elections.(*mockElectionModel)
+	mockElections.
+		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
+		Return(electionId.String(), nil)
+
+	mockVoters := app.voters.(*mockVoterModel)
+	mockVoters.
+		On("InsertMultiple", mock.Anything, mock.Anything).
+		Return([]int{1}, nil)
+
+	path := baseUri + "election"
+	requestBody := api.CreateElectionRequest{
+		Choices:        []string{"宮本武蔵", "伊東一刀斎"},
+		ExpiresAt:      time.Now().Add(24 * time.Hour),
+		AreVotersKnown: true,
+		MaxVoters:      100,
+		Name:           "強",
+		Tokens:         100,
+	}
+	requestBodyJson, err := json.Marshal(requestBody)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	code, _, body := server.post(t, path, bytes.NewReader(requestBodyJson))
+
+	assert.Equal(t, http.StatusOK, code)
+
+	var voterIdentities struct {
+		VoterIdentities []string
+	}
+	err = json.Unmarshal([]byte(body), &voterIdentities)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	assert.Len(t, voterIdentities.VoterIdentities, 100)
+}
+
 func TestCreateElection_ServerError(t *testing.T) {
 	app := newTestApplication(t)
 	server := newTestServer(t, app.routes())
@@ -200,7 +262,7 @@ func TestCreateElection_ServerError(t *testing.T) {
 		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).
 		Return(0, fmt.Errorf(""))
 
-	path := "/election"
+	path := baseUri + "election"
 	requestBody := api.CreateElectionRequest{
 		Choices:        []string{"宮本武蔵", "伊東一刀斎"},
 		ExpiresAt:      time.Now().Add(24 * time.Hour),
@@ -224,11 +286,12 @@ func TestCreateVotes_UnknownVotersElection(t *testing.T) {
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	id, _ := uuid.NewV7()
 	mockElections := app.elections.(*mockElectionModel)
 	mockElections.
 		On("GetById", mock.Anything).
 		Return(&models.Election{
-			ID:             1,
+			ID:             id.String(),
 			Name:           "Guy of the year",
 			Tokens:         100,
 			AreVotersKnown: false,
@@ -254,7 +317,7 @@ func TestCreateVotes_UnknownVotersElection(t *testing.T) {
 		On("Insert", mock.Anything, mock.Anything, mock.Anything, mock.Anything).
 		Return(1, nil)
 
-	path := "/election/1/votes"
+	path := baseUri + "election/1/votes"
 
 	tests := []struct {
 		name         string
@@ -327,11 +390,12 @@ func TestCreateVotes_KnownVotersElection(t *testing.T) {
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	id, _ := uuid.NewV7()
 	mockElections := app.elections.(*mockElectionModel)
 	mockElections.
 		On("GetById", mock.Anything).
 		Return(&models.Election{
-			ID:             1,
+			ID:             id.String(),
 			Name:           "Guy of the year",
 			Tokens:         100,
 			AreVotersKnown: true,
@@ -359,7 +423,7 @@ func TestCreateVotes_KnownVotersElection(t *testing.T) {
 		On("Exists", mock.Anything, mock.Anything).
 		Return(false, nil)
 
-	path := "/election/1/votes"
+	path := baseUri + "election/1/votes"
 
 	tests := []struct {
 		name         string
@@ -467,7 +531,7 @@ func TestCreateVotes_NonExistingElection(t *testing.T) {
 		On("GetById", mock.Anything).
 		Return((*models.Election)(nil), sql.ErrNoRows)
 
-	path := "/election/1/votes"
+	path := baseUri + "election/1/votes"
 	requestBody := api.CreateVotesRequest{
 		Choices: []struct {
 			ChoiceText string `json:"choiceText"`
@@ -488,7 +552,7 @@ func TestCreateVotes_NonExistingElection(t *testing.T) {
 	assert.Equal(t, http.StatusNotFound, code)
 }
 
-func TestCreateVotes_NonNumberElectionID(t *testing.T) {
+func TestCreateVotes_NonUuidElectionID(t *testing.T) {
 	app := newTestApplication(t)
 	server := newTestServer(t, app.routes())
 	defer server.Close()
@@ -498,7 +562,7 @@ func TestCreateVotes_NonNumberElectionID(t *testing.T) {
 		On("GetById", mock.Anything).
 		Return((*models.Election)(nil), sql.ErrNoRows)
 
-	path := "/election/1a/votes"
+	path := baseUri + "election/1a/votes"
 	requestBody := api.CreateVotesRequest{
 		Choices: []struct {
 			ChoiceText string `json:"choiceText"`
@@ -516,7 +580,7 @@ func TestCreateVotes_NonNumberElectionID(t *testing.T) {
 
 	code, _, _ := server.post(t, path, bytes.NewReader(requestBodyJson))
 
-	assert.Equal(t, http.StatusBadRequest, code)
+	assert.Equal(t, http.StatusNotFound, code)
 }
 
 func TestCreateVotes_AlreadyVoted(t *testing.T) {
@@ -524,8 +588,9 @@ func TestCreateVotes_AlreadyVoted(t *testing.T) {
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	unknownVotersElectionId, _ := uuid.NewV7()
 	unknownVotersElection := models.Election{
-		ID:             1,
+		ID:             unknownVotersElectionId.String(),
 		Name:           "Guy of the year",
 		Tokens:         100,
 		AreVotersKnown: false,
@@ -534,15 +599,18 @@ func TestCreateVotes_AlreadyVoted(t *testing.T) {
 		ExpiresAt:      time.Now().Add(24 * time.Hour),
 		Choices:        []string{"Gandhi", "Buddha"},
 	}
+
 	knownVotersElection := unknownVotersElection
+	knownVotersElectionId, _ := uuid.NewV7()
+	knownVotersElection.ID = knownVotersElectionId.String()
 	knownVotersElection.AreVotersKnown = true
 
 	mockElections := app.elections.(*mockElectionModel)
 	mockElections.
-		On("GetById", 1).
+		On("GetById", knownVotersElectionId.String()).
 		Return(&knownVotersElection, nil)
 	mockElections.
-		On("GetById", 2).
+		On("GetById", unknownVotersElectionId.String()).
 		Return(&unknownVotersElection, nil)
 
 	mockVotes := app.votes.(*mockVoteModel)
@@ -555,8 +623,9 @@ func TestCreateVotes_AlreadyVoted(t *testing.T) {
 		On("Exists", mock.Anything, mock.Anything).
 		Return(true, nil)
 
-	knownVotersElectionPath := "/election/1/votes"
+	layout := baseUri + "election/%v/votes"
-	unknownVotersElectionPath := "/election/2/votes"
+	knownVotersElectionPath := fmt.Sprintf(layout, unknownVotersElectionId)
+	unknownVotersElectionPath := fmt.Sprintf(layout, knownVotersElectionId)
 	voterIdentity := "anything"
 
 	tests := []struct {
@@ -615,11 +684,12 @@ func TestCreateVotes_UnknownVotersElectionMaxVotersReached(t *testing.T) {
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	id, _ := uuid.NewV7()
 	mockElections := app.elections.(*mockElectionModel)
 	mockElections.
 		On("GetById", mock.Anything).
 		Return(&models.Election{
-			ID:             1,
+			ID:             id.String(),
 			Name:           "Guy of the year",
 			Tokens:         100,
 			AreVotersKnown: false,
@@ -640,7 +710,7 @@ func TestCreateVotes_UnknownVotersElectionMaxVotersReached(t *testing.T) {
 		On("CountByElection", mock.Anything).
 		Return(10, nil)
 
-	path := "/election/1/votes"
+	path := baseUri + "election/1/votes"
 	requestBody := api.CreateVotesRequest{
 		Choices: []struct {
 			ChoiceText string `json:"choiceText"`
@@ -666,11 +736,12 @@ func TestCreateVotes_ExpiredElection(t *testing.T) {
 	server := newTestServer(t, app.routes())
 	defer server.Close()
 
+	id, _ := uuid.NewV7()
 	mockElections := app.elections.(*mockElectionModel)
 	mockElections.
 		On("GetById", mock.Anything).
 		Return(&models.Election{
-			ID:             1,
+			ID:             id.String(),
 			Name:           "Guy of the year",
 			Tokens:         100,
 			AreVotersKnown: false,
@@ -691,7 +762,7 @@ func TestCreateVotes_ExpiredElection(t *testing.T) {
 		On("CountByElection", mock.Anything).
 		Return(10, nil)
 
-	path := "/election/1/votes"
+	path := baseUri + "election/1/votes"
 	requestBody := api.CreateVotesRequest{
 		Choices: []struct {
 			ChoiceText string `json:"choiceText"`
@@ -711,3 +782,140 @@ func TestCreateVotes_ExpiredElection(t *testing.T) {
 
 	assert.Equal(t, http.StatusUnprocessableEntity, code)
 }
+
+func TestGetElectionResults(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	electionID, _ := uuid.NewV7()
+	votes := []models.Vote{
+		{
+			VoterIdentity: "Voter1",
+			ElectionID:    electionID.String(),
+			ChoiceText:    "Choice1",
+			Tokens:        2,
+			CreatedAt:     time.Now(),
+		},
+		{
+			VoterIdentity: "Voter2",
+			ElectionID:    electionID.String(),
+			ChoiceText:    "Choice2",
+			Tokens:        4,
+			CreatedAt:     time.Now(),
+		},
+		{
+			VoterIdentity: "Voter3",
+			ElectionID:    electionID.String(),
+			ChoiceText:    "Choice3",
+			Tokens:        6,
+			CreatedAt:     time.Now(),
+		},
+		{
+			VoterIdentity: "Voter4",
+			ElectionID:    electionID.String(),
+			ChoiceText:    "Choice1",
+			Tokens:        8,
+			CreatedAt:     time.Now(),
+		},
+		{
+			VoterIdentity: "Voter5",
+			ElectionID:    electionID.String(),
+			ChoiceText:    "Choice2",
+			Tokens:        10,
+			CreatedAt:     time.Now(),
+		},
+	}
+	mockVotes := app.votes.(*mockVoteModel)
+	mockVotes.
+		On("GetByElection", electionID.String()).
+		Return(&votes, nil)
+
+	path := baseUri + fmt.Sprintf("election/%v/results", electionID)
+	code, _, body := server.get(t, path)
+
+	assert.Equal(t, http.StatusOK, code)
+
+	var response api.ElectionResultsResponse
+	err := json.Unmarshal([]byte(body), &response)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, result := range *response.Results {
+		switch result.Choice {
+		case "Choice1":
+			assert.Equal(t, 3, result.Votes)
+		case "Choice2":
+			assert.Equal(t, 5, result.Votes)
+		case "Choice3":
+			assert.Equal(t, 2, result.Votes)
+		default:
+			t.Fatalf("Unexpected choice: %s", result.Choice)
+		}
+	}
+}
+
+func TestGetElectionResults_NotFound(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	mockVotes := app.votes.(*mockVoteModel)
+	mockVotes.
+		On("GetByElection", mock.Anything).
+		Return(&[]models.Vote{}, sql.ErrNoRows)
+
+	path := baseUri + "election/1/results"
+	code, _, body := server.get(t, path)
+
+	assert.Equal(t, http.StatusNotFound, code)
+
+	var response api.ElectionResultsResponse
+	err := json.Unmarshal([]byte(body), &response)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestGetElection_Found(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	id, _ := uuid.NewV7()
+	mockElections := app.elections.(*mockElectionModel)
+	mockElections.
+		On("GetById", mock.Anything).
+		Return(&models.Election{
+			ID:             id.String(),
+			Name:           "Guy of the year",
+			Tokens:         100,
+			AreVotersKnown: false,
+			MaxVoters:      10,
+			CreatedAt:      time.UnixMilli(1),
+			ExpiresAt:      time.UnixMilli(100000),
+			Choices:        []string{"Gandhi", "Buddha"},
+		}, nil)
+
+	path := baseUri + "election/1"
+	code, _, _ := server.get(t, path)
+
+	assert.Equal(t, http.StatusOK, code)
+}
+
+func TestGetElection_NotFound(t *testing.T) {
+	app := newTestApplication(t)
+	server := newTestServer(t, app.routes())
+	defer server.Close()
+
+	mockElections := app.elections.(*mockElectionModel)
+	mockElections.
+		On("GetById", mock.Anything).
+		Return((*models.Election)(nil), sql.ErrNoRows)
+
+	path := baseUri + "election/1"
+	code, _, _ := server.get(t, path)
+
+	assert.Equal(t, http.StatusNotFound, code)
+}

cmd/web/helpers.go

@@ -5,11 +5,14 @@ import (
 	"code.dlmw.ch/dlmw/qv/internal/validator"
 	"encoding/json"
 	"io"
+	"net"
 	"net/http"
+	"strings"
 )
 
 func (app *application) serverError(w http.ResponseWriter, r *http.Request, err error) {
 	app.logger.Error(err.Error())
+	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusInternalServerError)
 	var response = api.ErrorResponse{
 		Code:    http.StatusInternalServerError,
@@ -20,6 +23,7 @@ func (app *application) serverError(w http.ResponseWriter, r *http.Request, err
 }
 
 func (app *application) badRequestError(w http.ResponseWriter, r *http.Request, err error) {
+	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusBadRequest)
 	var response = api.ErrorResponse{
 		Code:    http.StatusBadRequest,
@@ -29,6 +33,7 @@ func (app *application) badRequestError(w http.ResponseWriter, r *http.Request,
 }
 
 func (app *application) clientError(w http.ResponseWriter, status int, message string) {
+	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(status)
 	var response = api.ErrorResponse{
 		Code:    status,
@@ -39,6 +44,7 @@ func (app *application) clientError(w http.ResponseWriter, status int, message s
 }
 
 func (app *application) unprocessableEntityError(w http.ResponseWriter, v validator.Validator) {
+	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusUnprocessableEntity)
 	var response = api.ErrorResponse{
 		Code: http.StatusUnprocessableEntity,
@@ -63,3 +69,23 @@ func (app *application) unmarshalRequest(r *http.Request, dst any) error {
 
 	return nil
 }
+
+func realIP(r *http.Request) string {
+	var ip string
+
+	if tcip := r.Header.Get(http.CanonicalHeaderKey("True-Client-IP")); tcip != "" {
+		ip = tcip
+	} else if xrip := r.Header.Get(http.CanonicalHeaderKey("X-Real-IP")); xrip != "" {
+		ip = xrip
+	} else if xff := r.Header.Get(http.CanonicalHeaderKey("X-Forwarded-For")); xff != "" {
+		i := strings.Index(xff, ",")
+		if i == -1 {
+			i = len(xff)
+		}
+		ip = xff[:i]
+	}
+	if ip == "" || net.ParseIP(ip) == nil {
+		return ""
+	}
+	return ip
+}

cmd/web/main.go

@@ -1,5 +1,3 @@
-//go:build !integration
-
 //go:generate oapi-codegen --config=oapi-codegen.yml openapi.yml
 
 package main
@@ -9,8 +7,8 @@ import (
 	"code.dlmw.ch/dlmw/qv/internal/models"
 	"context"
 	"database/sql"
-	_ "github.com/mattn/go-sqlite3"
 	"log/slog"
+	_ "modernc.org/sqlite"
 	"net/http"
 	"os"
 	"os/signal"
@@ -19,6 +17,15 @@ import (
 )
 
 var addr = ":8080"
+var databasePath string
+
+func init() {
+	if os.Getenv("QV_DATABASE_PATH") == "" {
+		databasePath = "./qv.sqlite"
+	} else {
+		databasePath = os.Getenv("QV_DATABASE_PATH")
+	}
+}
 
 func main() {
 	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
@@ -48,7 +55,7 @@ func main() {
 		Addr:         addr,
 		Handler:      app.routes(),
 		ErrorLog:     slog.NewLogLogger(logger.Handler(), slog.LevelError),
-		IdleTimeout:  time.Minute,
+		IdleTimeout:  30 * time.Second,
 		ReadTimeout:  5 * time.Second,
 		WriteTimeout: 10 * time.Second,
 	}
@@ -62,7 +69,7 @@ func main() {
 }
 
 func openDb() (*sql.DB, error) {
-	db, err := sql.Open("sqlite3", "./qv.sqlite?_foreign_keys=on")
+	db, err := sql.Open("sqlite", databasePath+"?_foreign_keys=on&_busy_timeout=5000")
 	if err == nil {
 		err = db.Ping()
 	}

cmd/web/main_integration.go

@@ -1,196 +0,0 @@
-//go:build integration
-
-package main
-
-import (
-	"code.dlmw.ch/dlmw/qv/internal/migrations"
-	"code.dlmw.ch/dlmw/qv/internal/models"
-	"context"
-	"database/sql"
-	"errors"
-	. "github.com/Eun/go-hit"
-	"log/slog"
-	"net/http"
-	"os"
-	"time"
-)
-
-var addr = ":8080"
-
-func main() {
-	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
-
-	err := os.Remove("./qv.integration.sqlite")
-	if err != nil {
-		logger.Error("couldn't delete qv.integration.sqlite")
-	}
-	db, err := openDb()
-	if err != nil {
-		logger.Error(err.Error())
-		os.Exit(1)
-	}
-	defer db.Close()
-	err = migrations.Run(db)
-	if err != nil {
-		logger.Error(err.Error())
-		os.Exit(1)
-	}
-
-	app := &application{
-		logger:    logger,
-		elections: &models.ElectionModel{DB: db},
-		voters:    &models.VoterModel{DB: db},
-	}
-
-	logger.Info("Starting integration tests server", "addr", addr)
-
-	srv := &http.Server{
-		Addr:         addr,
-		Handler:      app.routes(),
-		ErrorLog:     slog.NewLogLogger(logger.Handler(), slog.LevelError),
-		IdleTimeout:  time.Minute,
-		ReadTimeout:  5 * time.Second,
-		WriteTimeout: 10 * time.Second,
-	}
-
-	go func() {
-		logger.Info("Starting integration test server", "addr", addr)
-
-		if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
-			logger.Error("Server error", "error", err)
-			os.Exit(1)
-		}
-	}()
-
-	time.Sleep(1 * time.Second) // wait until srv starts
-	runTests()
-
-	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
-	defer cancel()
-
-	srv.Shutdown(ctx)
-}
-
-func openDb() (*sql.DB, error) {
-	db, err := sql.Open("sqlite3", "./qv.integration.sqlite?_foreign_keys=on")
-	if err == nil {
-		err = db.Ping()
-	}
-
-	return db, err
-}
-
-func runTests() {
-	runCreateElectionTests()
-}
-
-func runCreateElectionTests() {
-	template := CombineSteps(
-		Post("http://127.0.0.1:8080/election"),
-	)
-
-	MustDo(
-		template,
-		Send().Body().String(`
-		{
-  "name": "Guy of the year",
-  "tokens": 100,
-  "areVotersKnown": false,
-  "maxVoters": 10,
-  "expiresAt": "2124-12-31T14:15:22Z",
-  "choices": [
-    "Gandhi",
-	"Buddha"
-  ]
-}`),
-		Expect().Status().Equal(http.StatusOK),
-		Expect().Headers("Location").Contains("/election/1"),
-	)
-
-	MustDo(
-		template,
-		Send().Body().String(`
-		{
-  "name": "Guy of the year",
-  "tokens": 100,
-  "areVotersKnown": false,
-  "maxVoters": 0,
-  "expiresAt": "2124-12-31T14:15:22Z",
-  "choices": [
-    "Gandhi",
-	"Buddha"
-  ]
-}`),
-		Expect().Status().Equal(http.StatusOK),
-		Expect().Headers("Location").Contains("/election/2"),
-	)
-
-	MustDo(
-		template,
-		Send().Body().String(`
-		{
-  "name": "Guy of the year",
-  "tokens": 100,
-  "areVotersKnown": true,
-  "maxVoters": 10,
-  "expiresAt": "2124-12-31T14:15:22Z",
-  "choices": [
-    "Gandhi",
-	"Buddha"
-  ]
-}`),
-		Expect().Status().Equal(http.StatusOK),
-		Expect().Headers("Location").Contains("/election/3"),
-		Expect().Body().JSON().JQ(".voterIdentities").Len().Equal(10),
-	)
-
-	MustDo(
-		template,
-		Send().Body().String(`
-{
-  "name": "Guy of the year",
-  "tokens": 100,
-  "areVotersKnown": true,
-  "maxVoters": -1,
-  "expiresAt": "2124-12-31T14:15:22Z",
-  "choices": [
-    "Gandhi",
-	"Buddha"
-  ]
-}`),
-		Expect().Status().Equal(http.StatusUnprocessableEntity),
-	)
-
-	MustDo(
-		template,
-		Send().Body().String(`
-{
-  "name": "Guy of the year",
-  "tokens": 100,
-  "areVotersKnown": false,
-  "maxVoters": -1,
-  "expiresAt": "2124-12-31T14:15:22Z",
-  "choices": [
-    "Gandhi"
-  ]
-}`),
-		Expect().Status().Equal(http.StatusUnprocessableEntity),
-	)
-
-	MustDo(
-		template,
-		Send().Body().String(`
-{
-  "name": "Guy of the year",
-  "tokens": 100,
-  "areVotersKnown": false,
-  "maxVoters": 10,
-  "expiresAt": "2018-12-31T14:15:22Z",
-  "choices": [
-    "Gandhi",
-	"Buddha"
-  ]
-}`),
-		Expect().Status().Equal(http.StatusUnprocessableEntity),
-	)
-}

cmd/web/middleware.go

@@ -20,7 +20,7 @@ func (app *application) recoverPanic(next http.Handler) http.Handler {
 func (app *application) logRequest(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		var (
-			ip     = r.RemoteAddr
+			ip     = realIP(r)
 			proto  = r.Proto
 			method = r.Method
 			uri    = r.URL.RequestURI()
@@ -29,3 +29,10 @@ func (app *application) logRequest(next http.Handler) http.Handler {
 		next.ServeHTTP(w, r)
 	})
 }
+
+func (app *application) cacheStatic(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Cache-Control", "public, max-age=86400")
+		next.ServeHTTP(w, r)
+	})
+}

cmd/web/openapi.yml

@@ -3,7 +3,7 @@ info:
   title: qv - dlmw
   description: |-
     This is the documentation for the qv (Quadratic Voting) API.
-  termsOfService: http://swagger.io/terms/
+  termsOfService:
   contact:
     email: dylan@dlmw.ch
   license:
@@ -11,10 +11,10 @@ info:
     url: https://www.gnu.org/licenses/gpl-3.0.txt
   version: 0.0.1
 externalDocs:
-  description: Find out more about qv # todo
+  description: Get the code
-  url: http://swagger.io # todo
+  url: https://code.dlmw.ch/dlmw/qv
 servers:
-  - url: https://petstore3.swagger.io/api/v3 # todo
+  - url: https://qv.dlmw.ch/api
 tags:
   - name: election
     description: Retrieve data related to elections
@@ -22,6 +22,38 @@ tags:
     description: Retrieve data related to votes
 
 paths:
+  /election/{id}:
+    get:
+      tags:
+        - election
+      summary: Get an election
+      operationId: getElection
+      parameters:
+        - name: id
+          in: path
+          required: true
+          description: The ID of the election
+          schema:
+            type: string
+      responses:
+        200:
+          description: Election returned
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Election"
+        400:
+          description: Request malformed
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
+        404:
+          description: Election not found
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
   /election:
     post:
       tags:
@@ -70,15 +102,21 @@ paths:
           required: true
           description: The ID of the election
           schema:
-            type: integer
+            type: string
       requestBody:
         content:
           application/json:
             schema:
               $ref: "#/components/schemas/CreateVotesRequest"
       responses:
-        200:
+        201:
           description: Votes cast
+        400:
+          description: Request malformed
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
         404:
           description: Election not found
           content:
@@ -110,7 +148,7 @@ paths:
           required: true
           description: The ID of the election
           schema:
-            type: integer
+            type: string
       responses:
         200:
           description: Election results returned
@@ -118,6 +156,12 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/ElectionResultsResponse"
+        400:
+          description: Request malformed
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/ErrorResponse"
         404:
           description: Election doesn't exist
           content:
@@ -133,6 +177,37 @@ paths:
 
 components:
   schemas:
+    Election:
+      type: object
+      required:
+        - id
+        - name
+        - tokens
+        - areVotersKnown
+        - maxVoters
+        - createdAt
+        - expiresAt
+        - choices
+      properties:
+        id:
+          type: string
+        name:
+          type: string
+        tokens:
+          type: integer
+        areVotersKnown:
+          type: boolean
+        maxVoters:
+          type: integer
+        createdAt:
+          type: string
+        expiresAt:
+          type: string
+        choices:
+          type: array
+          items:
+            type: string
+
     CreateElectionRequest:
       type: object
       required:
@@ -199,6 +274,22 @@ components:
 
     ElectionResultsResponse:
       type: object
+      properties:
+        results:
+          type: array
+          items:
+            $ref: "#/components/schemas/VotesForChoice"
+
+    VotesForChoice:
+      type: object
+      required:
+        - choice
+        - votes
+      properties:
+        choice:
+          type: string
+        votes:
+          type: integer
 
     ErrorResponse:
       type: object

cmd/web/routes.go

@@ -19,11 +19,17 @@ type application struct {
 func (app *application) routes() http.Handler {
 	mux := http.NewServeMux()
 
-	mux.Handle("GET /static/", http.FileServerFS(ui.Files))
+	cached := alice.New(app.cacheStatic)
+	mux.Handle("GET /static/", cached.Then(http.FileServerFS(ui.Files)))
+
+	mux.HandleFunc("GET /", app.indexPage)
 	mux.HandleFunc("GET /election/create", app.createElectionPage)
+	mux.HandleFunc("GET /election/{id}/results", app.getElectionResultsPage)
+	mux.HandleFunc("GET /election/{id}", app.getElectionPage)
 
 	api.HandlerWithOptions(app, api.StdHTTPServerOptions{
 		BaseRouter:       mux,
+		BaseURL:          "/api",
 		ErrorHandlerFunc: app.badRequestError,
 	})
 

cmd/web/testutils_test.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bytes"
 	"code.dlmw.ch/dlmw/qv/internal/models"
 	"github.com/stretchr/testify/mock"
 	"io"
@@ -29,6 +30,22 @@ func newTestServer(t *testing.T, h http.Handler) *testServer {
 	return &testServer{server}
 }
 
+func (ts *testServer) get(t *testing.T, urlPath string) (int, http.Header, string) {
+	rs, err := ts.Client().Get(ts.URL + urlPath)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rs.Body.Close()
+
+	body, err := io.ReadAll(rs.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+	body = bytes.TrimSpace(body)
+
+	return rs.StatusCode, rs.Header, string(body)
+}
+
 func (ts *testServer) post(t *testing.T, urlPath string, body io.Reader) (int, http.Header, string) {
 	res, err := ts.Client().Post(ts.URL+urlPath, "application/json", body)
 	if err != nil {
@@ -48,12 +65,12 @@ type mockElectionModel struct {
 	mock.Mock
 }
 
-func (e *mockElectionModel) Insert(name string, tokens int, areVotersKnown bool, maxVoters int, choices []string, expiresAt time.Time) (int, error) {
+func (e *mockElectionModel) Insert(name string, tokens int, areVotersKnown bool, maxVoters int, choices []string, expiresAt time.Time) (string, error) {
 	args := e.Called(name, tokens, areVotersKnown, maxVoters, choices, expiresAt)
-	return args.Int(0), args.Error(1)
+	return args.String(0), args.Error(1)
 }
 
-func (e *mockElectionModel) GetById(id int) (*models.Election, error) {
+func (e *mockElectionModel) GetById(id string) (*models.Election, error) {
 	args := e.Called(id)
 	return args.Get(0).(*models.Election), args.Error(1)
 }
@@ -62,17 +79,17 @@ type mockVoterModel struct {
 	mock.Mock
 }
 
-func (v *mockVoterModel) InsertMultiple(identities []string, electionID int) ([]int, error) {
+func (v *mockVoterModel) InsertMultiple(identities []string, electionID string) ([]int, error) {
 	args := v.Called(identities, electionID)
 	return args.Get(0).([]int), args.Error(1)
 }
 
-func (v *mockVoterModel) CountByElection(electionID int) (int, error) {
+func (v *mockVoterModel) CountByElection(electionID string) (int, error) {
 	args := v.Called(electionID)
 	return args.Int(0), args.Error(1)
 }
 
-func (v *mockVoterModel) Exists(voterIdentity string, electionID int) (bool, error) {
+func (v *mockVoterModel) Exists(voterIdentity string, electionID string) (bool, error) {
 	args := v.Called(voterIdentity, electionID)
 	return args.Bool(0), args.Error(1)
 }
@@ -81,12 +98,17 @@ type mockVoteModel struct {
 	mock.Mock
 }
 
-func (v *mockVoteModel) Insert(voterIdentity string, electionId int, choiceText string, tokens int) (int, error) {
+func (v *mockVoteModel) Insert(voterIdentity string, electionId string, choiceText string, tokens int) (int, error) {
 	args := v.Called(voterIdentity, electionId, choiceText, tokens)
 	return args.Int(0), args.Error(1)
 }
 
-func (v *mockVoteModel) Exists(voterIdentity string, electionID int) (bool, error) {
+func (v *mockVoteModel) Exists(voterIdentity string, electionID string) (bool, error) {
 	args := v.Called(voterIdentity, electionID)
 	return args.Bool(0), args.Error(1)
 }
+
+func (v *mockVoteModel) GetByElection(electionID string) (*[]models.Vote, error) {
+	args := v.Called(electionID)
+	return args.Get(0).(*[]models.Vote), args.Error(1)
+}

go.mod

@@ -3,41 +3,40 @@ module code.dlmw.ch/dlmw/qv
 go 1.23.4
 
 require (
-	github.com/Eun/go-hit v0.5.23
 	github.com/golang-migrate/migrate/v4 v4.18.1
+	github.com/google/uuid v1.6.0
 	github.com/justinas/alice v1.2.0
-	github.com/mattn/go-sqlite3 v1.14.24
 	github.com/oapi-codegen/runtime v1.1.1
 	github.com/stretchr/testify v1.9.0
+	modernc.org/sqlite v1.18.1
 )
 
 require (
-	github.com/Eun/go-convert v0.0.0-20200421145326-bef6c56666ee // indirect
-	github.com/Eun/go-doppelgangerreader v0.0.0-20190911075941-30f1527f16b2 // indirect
 	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
-	github.com/araddon/dateparse v0.0.0-20200409225146-d820a6159ab1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/google/go-cmp v0.5.6 // indirect
-	github.com/google/uuid v1.6.0 // indirect
-	github.com/gookit/color v1.4.2 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/itchyny/gojq v0.12.5 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
-	github.com/itchyny/timefmt-go v0.1.3 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/k0kubun/pp v3.0.1+incompatible // indirect
-	github.com/lunixbochs/vtclean v1.0.0 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/mattn/go-sqlite3 v1.14.22 // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
-	github.com/tidwall/pretty v1.2.0 // indirect
-	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
+	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
 	golang.org/x/sys v0.25.0 // indirect
-	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
+	golang.org/x/tools v0.24.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	lukechampine.com/uint128 v1.2.0 // indirect
+	modernc.org/cc/v3 v3.36.3 // indirect
+	modernc.org/ccgo/v3 v3.16.9 // indirect
+	modernc.org/libc v1.17.1 // indirect
+	modernc.org/mathutil v1.5.0 // indirect
+	modernc.org/memory v1.2.1 // indirect
+	modernc.org/opt v0.1.3 // indirect
+	modernc.org/strutil v1.1.3 // indirect
+	modernc.org/token v1.0.0 // indirect
 )

go.sum

@@ -1,160 +1,131 @@
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-github.com/Eun/go-hit v0.5.23 h1:ezifQcvEh4qW/1/NdG59h0H7vTVJWVZWkXILaJBav4c=
-github.com/Eun/go-hit v0.5.23/go.mod h1:LCHZ6WSPFDXlTQkFUSLe0VsrOhzzEEzbPzCGc6FYTXQ=
-github.com/Eun/go-testdoc v0.0.1/go.mod h1:uT+GeDi7TpqQx6MBkcfXD9nF15Q8IX+kTNEnUUPbuUo=
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internal/generated.go

@@ -41,8 +41,22 @@ type CreateVotesRequest struct {
 	VoterIdentity *string `json:"voterIdentity,omitempty"`
 }
 
+// Election defines model for Election.
+type Election struct {
+	AreVotersKnown bool     `json:"areVotersKnown"`
+	Choices        []string `json:"choices"`
+	CreatedAt      string   `json:"createdAt"`
+	ExpiresAt      string   `json:"expiresAt"`
+	Id             string   `json:"id"`
+	MaxVoters      int      `json:"maxVoters"`
+	Name           string   `json:"name"`
+	Tokens         int      `json:"tokens"`
+}
+
 // ElectionResultsResponse defines model for ElectionResultsResponse.
-type ElectionResultsResponse = map[string]interface{}
+type ElectionResultsResponse struct {
+	Results *[]VotesForChoice `json:"results,omitempty"`
+}
 
 // ErrorResponse defines model for ErrorResponse.
 type ErrorResponse struct {
@@ -56,6 +70,12 @@ type ErrorResponse struct {
 	Message string `json:"message"`
 }
 
+// VotesForChoice defines model for VotesForChoice.
+type VotesForChoice struct {
+	Choice string `json:"choice"`
+	Votes  int    `json:"votes"`
+}
+
 // CreateElectionJSONRequestBody defines body for CreateElection for application/json ContentType.
 type CreateElectionJSONRequestBody = CreateElectionRequest
 
@@ -67,12 +87,15 @@ type ServerInterface interface {
 	// Create a new election
 	// (POST /election)
 	CreateElection(w http.ResponseWriter, r *http.Request)
+	// Get an election
+	// (GET /election/{id})
+	GetElection(w http.ResponseWriter, r *http.Request, id string)
 	// Get the results of an election
 	// (GET /election/{id}/results)
-	GetElectionResults(w http.ResponseWriter, r *http.Request, id int)
+	GetElectionResults(w http.ResponseWriter, r *http.Request, id string)
 	// Cast your votes for an election
 	// (POST /election/{id}/votes)
-	CreateVotes(w http.ResponseWriter, r *http.Request, id int)
+	CreateVotes(w http.ResponseWriter, r *http.Request, id string)
 }
 
 // ServerInterfaceWrapper converts contexts to parameters.
@@ -99,6 +122,32 @@ func (siw *ServerInterfaceWrapper) CreateElection(w http.ResponseWriter, r *http
 	handler.ServeHTTP(w, r.WithContext(ctx))
 }
 
+// GetElection operation middleware
+func (siw *ServerInterfaceWrapper) GetElection(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	var err error
+
+	// ------------- Path parameter "id" -------------
+	var id string
+
+	err = runtime.BindStyledParameterWithOptions("simple", "id", r.PathValue("id"), &id, runtime.BindStyledParameterOptions{ParamLocation: runtime.ParamLocationPath, Explode: false, Required: true})
+	if err != nil {
+		siw.ErrorHandlerFunc(w, r, &InvalidParamFormatError{ParamName: "id", Err: err})
+		return
+	}
+
+	handler := http.Handler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		siw.Handler.GetElection(w, r, id)
+	}))
+
+	for _, middleware := range siw.HandlerMiddlewares {
+		handler = middleware(handler)
+	}
+
+	handler.ServeHTTP(w, r.WithContext(ctx))
+}
+
 // GetElectionResults operation middleware
 func (siw *ServerInterfaceWrapper) GetElectionResults(w http.ResponseWriter, r *http.Request) {
 	ctx := r.Context()
@@ -106,7 +155,7 @@ func (siw *ServerInterfaceWrapper) GetElectionResults(w http.ResponseWriter, r *
 	var err error
 
 	// ------------- Path parameter "id" -------------
-	var id int
+	var id string
 
 	err = runtime.BindStyledParameterWithOptions("simple", "id", r.PathValue("id"), &id, runtime.BindStyledParameterOptions{ParamLocation: runtime.ParamLocationPath, Explode: false, Required: true})
 	if err != nil {
@@ -132,7 +181,7 @@ func (siw *ServerInterfaceWrapper) CreateVotes(w http.ResponseWriter, r *http.Re
 	var err error
 
 	// ------------- Path parameter "id" -------------
-	var id int
+	var id string
 
 	err = runtime.BindStyledParameterWithOptions("simple", "id", r.PathValue("id"), &id, runtime.BindStyledParameterOptions{ParamLocation: runtime.ParamLocationPath, Explode: false, Required: true})
 	if err != nil {
@@ -266,6 +315,7 @@ func HandlerWithOptions(si ServerInterface, options StdHTTPServerOptions) http.H
 	}
 
 	m.HandleFunc("POST "+options.BaseURL+"/election", wrapper.CreateElection)
+	m.HandleFunc("GET "+options.BaseURL+"/election/{id}", wrapper.GetElection)
 	m.HandleFunc("GET "+options.BaseURL+"/election/{id}/results", wrapper.GetElectionResults)
 	m.HandleFunc("POST "+options.BaseURL+"/election/{id}/votes", wrapper.CreateVotes)
 

internal/mappers/elections.go

@@ -0,0 +1,19 @@
+package mappers
+
+import (
+	api "code.dlmw.ch/dlmw/qv/internal"
+	"code.dlmw.ch/dlmw/qv/internal/models"
+)
+
+func ElectionResponse(election *models.Election) *api.Election {
+	return &api.Election{
+		Id:             election.ID,
+		Name:           election.Name,
+		Tokens:         election.Tokens,
+		AreVotersKnown: election.AreVotersKnown,
+		MaxVoters:      election.MaxVoters,
+		CreatedAt:      election.CreatedAt.String(),
+		ExpiresAt:      election.ExpiresAt.String(),
+		Choices:        election.Choices,
+	}
+}

internal/mappers/elections_test.go

@@ -0,0 +1,48 @@
+package mappers
+
+import (
+	"code.dlmw.ch/dlmw/qv/internal/models"
+	uuid2 "github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestElectionResponse(t *testing.T) {
+	layout := "2006-01-02 15:04:05 -0700"
+	parsedCreatedAtTime, err := time.Parse(layout, "2025-01-14 15:13:37 +0000")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	parsedExpiresAtTime, err := time.Parse(layout, "2025-01-15 15:13:37 +0000")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	uuid, _ := uuid2.NewV7()
+	election := models.Election{
+		ID:             uuid.String(),
+		Name:           "The best",
+		Tokens:         100,
+		AreVotersKnown: true,
+		MaxVoters:      150,
+		CreatedAt:      parsedCreatedAtTime.In(time.UTC),
+		ExpiresAt:      parsedExpiresAtTime.In(time.UTC),
+		Choices:        []string{"You", "Me"},
+	}
+
+	response := ElectionResponse(&election)
+
+	assert.Equal(t, uuid.String(), response.Id)
+	assert.Equal(t, "The best", response.Name)
+	assert.Equal(t, 100, response.Tokens)
+	assert.Equal(t, true, response.AreVotersKnown)
+	assert.Equal(t, 150, response.MaxVoters)
+	assert.Equal(t, "2025-01-14 15:13:37 +0000 UTC", response.CreatedAt)
+	assert.Equal(t, "2025-01-15 15:13:37 +0000 UTC", response.ExpiresAt)
+
+	for _, choice := range election.Choices {
+		assert.Contains(t, election.Choices, choice)
+	}
+}

internal/migrations/sql/000001_init.up.sql

@@ -1,5 +1,5 @@
 CREATE TABLE elections (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    id TEXT PRIMARY KEY,
     name TEXT NOT NULL,
     tokens INTEGER NOT NULL,
     are_voters_known INTEGER NOT NULL,
@@ -35,7 +35,7 @@ CREATE TRIGGER enforce_max_voters
         SELECT 1
         FROM elections e
         WHERE e.id = NEW.election_id
-          AND e.max_voters IS NOT NULL
+          AND e.max_voters != 0
     )
 BEGIN
     SELECT CASE
@@ -57,7 +57,6 @@ CREATE TABLE votes (
     election_id INTEGER NOT NULL,
     choice_text TEXT NOT NULL,
     tokens INTEGER NOT NULL,
---     calculated_vote_count GENERATED ALWAYS AS (floor(sqrt(tokens))) VIRTUAL, TODO: Cannot use math functions
     created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
     PRIMARY KEY (voter_identity, choice_text),
     FOREIGN KEY (voter_identity, election_id) REFERENCES voters (identity, election_id),

internal/models/elections.go

@@ -2,12 +2,13 @@ package models
 
 import (
 	"database/sql"
+	"github.com/google/uuid"
 	"time"
 )
 
 type ElectionModelInterface interface {
-	Insert(name string, tokens int, areVotersKnown bool, maxVoters int, Choices []string, ExpiresAt time.Time) (int, error)
+	Insert(name string, tokens int, areVotersKnown bool, maxVoters int, Choices []string, ExpiresAt time.Time) (string, error)
-	GetById(id int) (*Election, error)
+	GetById(id string) (*Election, error)
 }
 
 type ElectionModel struct {
@@ -15,7 +16,7 @@ type ElectionModel struct {
 }
 
 type Election struct {
-	ID             int
+	ID             string
 	Name           string
 	Tokens         int
 	AreVotersKnown bool
@@ -25,48 +26,48 @@ type Election struct {
 	Choices        []string
 }
 
-func (e *ElectionModel) Insert(name string, tokens int, areVotersKnown bool, maxVoters int, choices []string, expiresAt time.Time) (int, error) {
+func (e *ElectionModel) Insert(name string, tokens int, areVotersKnown bool, maxVoters int, choices []string, expiresAt time.Time) (string, error) {
 	tx, err := e.DB.Begin()
 	if err != nil {
-		return 0, err
+		return "", err
 	}
 	defer tx.Rollback()
 
-	result, err := tx.Exec(`
+	electionID, err := uuid.NewV7()
-		INSERT INTO elections (name, tokens, are_voters_known, max_voters, expires_at)
-        VALUES (?, ?, ?, ?, ?)`, name, tokens, areVotersKnown, maxVoters, expiresAt)
 	if err != nil {
-		return 0, err
+		return "", err
 	}
 
-	electionID, err := result.LastInsertId()
+	_, err = tx.Exec(`
+		INSERT INTO elections (id, name, tokens, are_voters_known, max_voters, expires_at)
+        VALUES (?, ?, ?, ?, ?, ?)`, electionID, name, tokens, areVotersKnown, maxVoters, expiresAt)
 	if err != nil {
-		return 0, err
+		return "", err
 	}
 
 	stmt, err := tx.Prepare(`
         INSERT INTO choices (text, election_id)
         VALUES (?, ?)`)
 	if err != nil {
-		return 0, err
+		return "", err
 	}
 	defer stmt.Close()
 
 	for _, choice := range choices {
 		_, err = stmt.Exec(choice, electionID)
 		if err != nil {
-			return 0, err
+			return "", err
 		}
 	}
 
 	if err = tx.Commit(); err != nil {
-		return 0, err
+		return "0", err
 	}
 
-	return int(electionID), nil
+	return electionID.String(), nil
 }
 
-func (e *ElectionModel) GetById(id int) (*Election, error) {
+func (e *ElectionModel) GetById(id string) (*Election, error) {
 	query := `
 		SELECT id, name, tokens, are_voters_known, max_voters, created_at, expires_at
 		FROM elections

internal/models/voters.go

@@ -6,16 +6,16 @@ import (
 )
 
 type VoterModelInterface interface {
-	InsertMultiple(identities []string, electionID int) ([]int, error)
+	InsertMultiple(identities []string, electionID string) ([]int, error)
-	CountByElection(electionID int) (int, error)
+	CountByElection(electionID string) (int, error)
-	Exists(voterIdentity string, electionID int) (bool, error)
+	Exists(voterIdentity string, electionID string) (bool, error)
 }
 
 type VoterModel struct {
 	DB *sql.DB
 }
 
-func (v *VoterModel) InsertMultiple(identities []string, electionID int) ([]int, error) {
+func (v *VoterModel) InsertMultiple(identities []string, electionID string) ([]int, error) {
 	tx, err := v.DB.Begin()
 	if err != nil {
 		return nil, err
@@ -53,7 +53,7 @@ func (v *VoterModel) InsertMultiple(identities []string, electionID int) ([]int,
 	return voterIDs, nil
 }
 
-func (v *VoterModel) CountByElection(electionID int) (int, error) {
+func (v *VoterModel) CountByElection(electionID string) (int, error) {
 	// use a transaction to prevent race conditions
 	tx, err := v.DB.Begin()
 	if err != nil {
@@ -82,7 +82,7 @@ func (v *VoterModel) CountByElection(electionID int) (int, error) {
 	return voterCount, nil
 }
 
-func (v *VoterModel) Exists(voterIdentity string, electionID int) (bool, error) {
+func (v *VoterModel) Exists(voterIdentity string, electionID string) (bool, error) {
 	query := `
 		SELECT EXISTS (
 			SELECT 1

internal/models/votes.go

@@ -3,18 +3,28 @@ package models
 import (
 	"database/sql"
 	"errors"
+	"time"
 )
 
 type VoteModelInterface interface {
-	Insert(voterIdentity string, electionId int, choiceText string, tokens int) (int, error)
+	Insert(voterIdentity string, electionId string, choiceText string, tokens int) (int, error)
-	Exists(voterIdentity string, electionID int) (bool, error)
+	Exists(voterIdentity string, electionID string) (bool, error)
+	GetByElection(electionID string) (*[]Vote, error)
 }
 
 type VoteModel struct {
 	DB *sql.DB
 }
 
-func (v *VoteModel) Insert(voterIdentity string, electionId int, choiceText string, tokens int) (int, error) {
+type Vote struct {
+	VoterIdentity string
+	ElectionID    string
+	ChoiceText    string
+	Tokens        int
+	CreatedAt     time.Time
+}
+
+func (v *VoteModel) Insert(voterIdentity string, electionId string, choiceText string, tokens int) (int, error) {
 	tx, err := v.DB.Begin()
 	if err != nil {
 		return 0, err
@@ -37,7 +47,7 @@ func (v *VoteModel) Insert(voterIdentity string, electionId int, choiceText stri
 	return int(voteId), nil
 }
 
-func (v *VoteModel) Exists(voterIdentity string, electionID int) (bool, error) {
+func (v *VoteModel) Exists(voterIdentity string, electionID string) (bool, error) {
 	var exists bool
 	query := `
 		SELECT EXISTS (
@@ -55,3 +65,43 @@ func (v *VoteModel) Exists(voterIdentity string, electionID int) (bool, error) {
 	}
 	return exists, nil
 }
+
+func (v *VoteModel) GetByElection(electionID string) (*[]Vote, error) {
+	query := `
+		SELECT voter_identity, election_id, choice_text, tokens, created_at
+		FROM votes
+		WHERE election_id = ?
+	`
+
+	rows, err := v.DB.Query(query, electionID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var votes []Vote
+	for rows.Next() {
+		var vote Vote
+		err := rows.Scan(
+			&vote.VoterIdentity,
+			&vote.ElectionID,
+			&vote.ChoiceText,
+			&vote.Tokens,
+			&vote.CreatedAt,
+		)
+		if err != nil {
+			return nil, err
+		}
+		votes = append(votes, vote)
+	}
+
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+
+	if len(votes) == 0 {
+		return nil, sql.ErrNoRows
+	}
+
+	return &votes, nil
+}

internal/validator/validator.go

@@ -64,6 +64,10 @@ func GreaterThan(value int, n int) bool {
 	return value > n
 }
 
+func LesserThan(value int, n int) bool {
+	return value < n
+}
+
 func GreaterThanOrEquals(value int, n int) bool {
 	return value >= n
 }

ui/create-election.html

@@ -3,170 +3,222 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Create New Election</title>
+    <title>Create New Election - qv</title>
-    <link rel="stylesheet" href="/static/css/styles.css">
+    <script src="/static/js/tailwind.min.js"></script>
-    <script src="https://unpkg.com/vue@3"></script>
+    <script src="/static/js/alpine.min.js" defer></script>
 </head>
-<body>
+<body class="bg-gray-100 font-sans leading-normal tracking-normal">
-<div id="app" class="container">
+<div x-data="electionForm" class="container mx-auto p-6 bg-white rounded-lg shadow-lg">
     <main>
-        <h1>Create New Election</h1>
+        <h1 class="text-3xl font-bold mb-6">Create New Election</h1>
-        <form @submit.prevent="createElection" class="form">
+        <form @submit.prevent="createElection" class="space-y-6">
-            <div class="form-group">
+
-                <label for="name">Election Name</label>
+            <div>
-                <input type="text" id="name" v-model="election.name" required>
+                <label for="name" class="block text-sm font-medium text-gray-700">Election Name</label>
+                <input type="text" id="name" x-model="election.name" required
+                       class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
             </div>
 
-            <div class="form-row">
+            <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
-                <div class="form-group">
+                <div>
-                    <label for="tokens">Tokens per Voter</label>
+                    <label for="tokens" class="block text-sm font-medium text-gray-700">Tokens per Voter</label>
-                    <input type="number" id="tokens" v-model.number="election.tokens" min="1" required>
+                    <input type="number" id="tokens" x-model.number="election.tokens" min="1" required
+                           class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
                 </div>
 
-                <div class="form-group">
+                <div>
-                    <label for="areVotersKnown">Voter Access</label>
+                    <label for="areVotersKnown" class="block text-sm font-medium text-gray-700">Voter Access</label>
-                    <select id="areVotersKnown" v-model="election.areVotersKnown" required>
+                    <select id="areVotersKnown" x-model="election.areVotersKnown" required
-                        <option :value="true">Known voters only</option>
+                            @change="election.areVotersKnown = JSON.parse(election.areVotersKnown)"
-                        <option :value="false">Open to anyone</option>
+                            class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                        <option :value=true>Known voters only</option>
+                        <option :value=false>Open to anyone</option>
                     </select>
-                    <small>Known voters only = codes will be generated and you must give those to your voters</small>
+                    <p class="text-sm text-gray-500 mt-1">Known voters only = codes will be generated for distribution.</p>
                 </div>
             </div>
 
-            <div class="form-group">
+            <div>
-                <label for="maxVoters">Maximum Number of Voters</label>
+                <label for="maxVoters" class="block text-sm font-medium text-gray-700">Maximum Number of Voters</label>
-                <input type="number" id="maxVoters" v-model.number="election.maxVoters" min="1">
+                <input type="number" id="maxVoters" x-model.number="election.maxVoters"
-                <small>0 = unlimited</small>
+                       class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
-                <span v-if="election.areVotersKnown && election.maxVoters <= 0" class="error-text">Maximum number of voters must be greater than 0 if voters are known</span>
+                <p class="text-sm text-gray-500">0 = unlimited</p>
+                <template x-if="election.areVotersKnown && election.maxVoters <= 0">
+                    <span class="text-red-500 text-sm">Maximum number of voters must be greater than 0 if voters are known.</span>
+                </template>
             </div>
 
-            <div class="form-group">
+            <div>
-                <label for="expiresAt">Expiration Date</label>
+                <label for="expiresAt" class="block text-sm font-medium text-gray-700">Expiration Date</label>
-                <input type="datetime-local" id="expiresAt" v-model="election.expiresAt" required>
+                <input type="datetime-local" id="expiresAt" x-model="election.expiresAt" required
+                       class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
             </div>
 
-            <div class="form-group">
+            <div>
-                <label>Choices</label>
+                <label class="block text-sm font-medium text-gray-700">Choices</label>
-                <div id="choices-container">
+                <div class="space-y-2 mt-2">
-                    <div v-for="(choice, index) in election.choices" :key="index" class="choice-input">
+                    <template x-for="(choice, index) in election.choices" :key="index">
-                        <input type="text" v-model="election.choices[index]" required>
+                        <div class="flex space-x-2 items-center">
-                        <button type="button" class="remove-choice" @click="removeChoice(index)" v-show="election.choices.length > 2">×</button>
+                            <input type="text" x-model="election.choices[index]" required
-                    </div>
+                                   class="block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                            <button type="button" class="text-red-500 hover:text-red-700"
+                                    @click="removeChoice(index)" x-show="election.choices.length > 2">×</button>
+                        </div>
+                    </template>
                 </div>
-                <button type="button" id="add-choice" @click="addChoice">Add Another Choice</button>
+                <button type="button" @click="addChoice"
+                        class="mt-3 inline-flex items-center px-4 py-2 bg-indigo-600 border border-transparent rounded-md font-medium text-white hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500">
+                    Add Another Choice
+                </button>
             </div>
 
-            <div class="form-actions">
+            <div>
-                <button type="submit">Create Election</button>
+                <button type="submit"
+                        class="w-full inline-flex justify-center py-2 px-4 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500">
+                    Create Election
+                </button>
             </div>
+
         </form>
 
-        <div v-if="createdElectionId > 0" class="election-info">
+        <div x-show="errorMessage || Object.keys(errorDetails).length > 0" class="mt-6 bg-red-100 p-4 rounded-md">
-            <h2>Election Created Successfully</h2>
+            <h2 class="text-red-700 font-bold" x-text="errorMessage"></h2>
-            <div class="info-container">
+            <ul class="text-red-600 mt-2 space-y-1">
-                <span class="info-label">Election ID:</span>
+                <template x-for="(message, field) in errorDetails" :key="field">
-                <span class="info-value">{{ createdElectionId }}</span>
+                    <li><strong x-text="field"></strong>: <span x-text="message"></span></li>
-                <button @click="copyElectionId" class="copy-btn">
+                </template>
-                    Copy
+            </ul>
-                </button>
-            </div>
         </div>
 
-        <div v-if="voterIdentities.length > 0" class="voter-codes">
+        <template x-if="createdElectionId != ''">
-            <h2>Voter Access Codes</h2>
+            <div class="mt-6 bg-green-100 p-4 rounded-md">
-            <div class="codes-container">
+                <h2 class="text-green-700 font-bold">Election Created Successfully</h2>
-                <button @click="copyAllCodes" class="copy-all-btn">
+                <p class="mt-2">
-                    Copy All Codes
+                    <a
-                </button>
+                            :href="`/election/${createdElectionId}`"
-                <div class="codes-list">
+                            class="text-blue-600 underline hover:text-blue-800"
-                    <div v-for="(code, index) in voterIdentities"
+                            target="_blank">
-                         :key="code"
+                        View election
-                         class="code-item">
+                    </a>
-                        <span class="code-number">{{ index + 1 }}.</span>
+                </p>
-                        <span class="code-text">{{ code }}</span>
+                <p>
-                        <button @click="copyCode(code)" class="copy-btn">
+                    <a
-                            Copy
+                            :href="`/election/${createdElectionId}/results`"
-                        </button>
+                            class="text-blue-600 underline hover:text-blue-800"
+                            target="_blank">
+                        View results
+                    </a>
+                </p>
+            </div>
+        </template>
+
+        <template x-if="voterIdentities.length > 0">
+            <div class="voter-codes">
+                <h2 class="text-2xl font-semibold mb-4">Voter Access Codes</h2>
+                <div class="codes-container">
+                    <button @click="copyAllCodes" class="copy-all-btn bg-indigo-600 text-white py-2 px-4 rounded-md font-medium hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-indigo-500 mb-4">
+                        Copy All Codes
+                    </button>
+                    <div class="codes-list">
+                        <template x-for="(code, index) in voterIdentities" :key="index">
+                            <div class="code-item flex items-center space-x-3 mb-2">
+                                <span class="code-number text-gray-700 font-medium" x-text="index + 1"></span>.
+                                <span class="code-text text-gray-900" x-text="code"></span>
+                                <button @click="copyCode(code)" class="copy-btn bg-indigo-600 text-white text-sm py-1 px-3 rounded-md hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-indigo-500">
+                                    Copy
+                                </button>
+                            </div>
+                        </template>
                     </div>
                 </div>
             </div>
-        </div>
+        </template>
     </main>
 </div>
 
 <script>
-    const app = Vue.createApp({
+    document.addEventListener("alpine:init", () => {
-        data() {
+        Alpine.data("electionForm", () => ({
-            return {
+            election: {
-                election: {
+                name: "",
-                    name: "",
+                tokens: 100,
-                    tokens: 100,
+                areVotersKnown: true,
-                    areVotersKnown: true,
+                maxVoters: 0,
-                    maxVoters: 0,
+                expiresAt: "",
-                    expiresAt: "",
+                choices: ["", ""]
-                    choices: ["", ""] // Start with two empty choices
+            },
-                },
+            createdElectionId: "",
-                createdElectionId: 0,
+            errorMessage: "",
-                voterIdentities: []
+            errorDetails: {},
-            };
+            voterIdentities: [],
-        },
+
-        methods: {
             addChoice() {
-                this.election.choices.push(""); // Add a new empty choice
+                this.election.choices.push("");
             },
+
             removeChoice(index) {
-                this.election.choices.splice(index, 1); // Remove choice by index
+                this.election.choices.splice(index, 1);
             },
-            async copyCode(code) {
+
-                try {
+            async createElection() {
-                    await navigator.clipboard.writeText(code);
+                this.errorMessage = "";
-                    // Optional: Add visual feedback that copy succeeded
+                this.errorDetails = {};
-                } catch (err) {
+                this.createdElectionId = "";
-                    console.error('Failed to copy code:', err);
-                }
-            },
-            async copyAllCodes() {
-                try {
-                    const allCodes = this.voterIdentities.join('\n');
-                    await navigator.clipboard.writeText(allCodes);
-                    // Optional: Add visual feedback that copy succeeded
-                } catch (err) {
-                    console.error('Failed to copy codes:', err);
-                }
-            },
-            createElection() {
                 this.voterIdentities = [];
 
                 const payload = {
                     ...this.election,
-                    expiresAt: this.election.expiresAt + ":00Z", // Add timezone if necessary
+                    expiresAt: this.election.expiresAt + ":00Z",
-                    choices: this.election.choices.filter(choice => choice.trim() !== "") // Filter out empty choices
+                    choices: this.election.choices.filter(choice => choice.trim() !== "")
                 };
 
-                fetch("/election", {
+                try {
-                    method: "POST",
+                    const response = await fetch("/api/election", {
-                    headers: {
+                        method: "POST",
-                        "Content-Type": "application/json"
+                        headers: {
-                    },
+                            "Content-Type": "application/json"
-                    body: JSON.stringify(payload)
+                        },
-                })
+                        body: JSON.stringify(payload)
-                    .then(response => {
-                        const locationHeader = response.headers.get('Location');
-                        this.createdElectionId = locationHeader.replace('/election/', '');
-
-                        return response.json();
-                    })
-                    .then(data => {
-                        this.voterIdentities = data.voterIdentities;
-                    })
-                    .catch(error => {
-                        alert("Failed to create election.");
                     });
-            }
-        }
-    });
 
-    app.mount("#app");
+                    if (!response.ok) {
+                        const errorData = await response.json();
+                        this.errorMessage = errorData.message || "An error occurred.";
+                        this.errorDetails = errorData.details?.fields || {};
+                        return;
+                    }
+
+                    const locationHeader = response.headers.get("Location");
+                    this.createdElectionId = locationHeader.replace("/election/", "");
+
+                    const contentType = response.headers.get("Content-Type") ?? "";
+                    if (contentType.includes("application/json")) {
+                        const data = await response.json();
+                        this.voterIdentities = data.voterIdentities;
+                    }
+                } catch (error) {
+                    console.log(error);
+                    this.errorMessage = "Failed to create election.";
+                }
+            },
+
+            copyCode(code) {
+                navigator.clipboard.writeText(code).then(() => {
+                    alert("Code copied to clipboard!");
+                }).catch(err => {
+                    console.error("Failed to copy code: ", err);
+                });
+            },
+
+            async copyAllCodes() {
+                const allCodes = this.voterIdentities.join("\n");
+                await navigator.clipboard.writeText(allCodes)
+                .catch(err => {
+                    console.error("Failed to copy all codes: ", err);
+                });
+            }
+        }));
+    });
 </script>
 </body>
 </html>

ui/election-results.html

@@ -0,0 +1,145 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Election Results - qv</title>
+    <script src="/static/js/tailwind.min.js"></script>
+    <script src="/static/js/chart.umd.js"></script>
+    <script src="/static/js/alpine.min.js" defer></script>
+</head>
+<body class="bg-gray-100 font-sans leading-normal tracking-normal">
+<div x-data="resultsPage" class="container mx-auto p-6 bg-white rounded-lg shadow-lg">
+    <main>
+        <h1 class="text-3xl font-bold mb-6">Election Results</h1>
+
+        <div x-show="error" class="bg-red-100 p-4 rounded-md text-red-700">
+            <p x-text="error"></p>
+        </div>
+
+        <template x-if="!error">
+            <div class="space-y-6">
+                <!-- Chart Container -->
+                <div class="bg-white p-6 rounded-lg shadow">
+                    <h2 class="text-xl font-semibold mb-4">Vote Distribution</h2>
+                    <div class="h-96 w-full">
+                        <canvas id="resultsChart"></canvas>
+                    </div>
+                </div>
+
+                <!-- Detailed Results -->
+                <div class="bg-white p-6 rounded-lg shadow">
+                    <h3 class="text-lg font-semibold mb-4">Detailed Results</h3>
+                    <div class="space-y-2">
+                        <template x-for="(result, index) in results" :key="index">
+                            <div class="flex justify-between border-b pb-2">
+                                <div class="flex items-center">
+                                    <div class="w-4 h-4 rounded mr-2" :style="{ backgroundColor: getColor(index) }"></div>
+                                    <span class="font-medium" x-text="result.choice"></span>
+                                </div>
+                                <span class="text-gray-600">
+                                    <span x-text="result.votes"></span> votes
+                                    (<span x-text="getPercentage(result.votes)"></span>%)
+                                </span>
+                            </div>
+                        </template>
+                    </div>
+                </div>
+            </div>
+        </template>
+    </main>
+</div>
+
+<script>
+    document.addEventListener('alpine:init', () => {
+        Alpine.data('resultsPage', () => ({
+            results: [],
+            error: '',
+            chart: null,
+            colors: [
+                '#4f46e5', // Indigo (primary)
+                '#2563eb', // Blue
+                '#7c3aed', // Violet
+                '#db2777', // Pink
+                '#dc2626', // Red
+            ],
+
+            getColor(index) {
+                return this.colors[index % this.colors.length];
+            },
+
+            getPercentage(votes) {
+                const total = this.results.reduce((sum, result) => sum + result.votes, 0);
+                if (total === 0) return '0.0';
+                return ((votes / total) * 100).toFixed(1);
+            },
+
+            async init() {
+                await this.fetchResults();
+                this.initChart();
+            },
+
+            async fetchResults() {
+                const electionId = window.location.pathname.split("/")[2];
+                try {
+                    const response = await fetch(`/api/election/${electionId}/results`);
+                    if (!response.ok) throw new Error("Failed to load election results.");
+                    const data = await response.json();
+                    this.results = data.results;
+                } catch (error) {
+                    console.error(error);
+                    this.error = error.message;
+                }
+            },
+
+            initChart() {
+                if (this.error) return;
+
+                const ctx = document.getElementById('resultsChart').getContext('2d');
+
+                // Destroy existing chart if it exists
+                if (this.chart) {
+                    this.chart.destroy();
+                }
+
+                this.chart = new Chart(ctx, {
+                    type: 'doughnut',
+                    data: {
+                        labels: this.results.map(r => r.choice),
+                        datasets: [{
+                            data: this.results.map(r => r.votes),
+                            backgroundColor: this.results.map((_, index) => this.getColor(index)),
+                            borderWidth: 1
+                        }]
+                    },
+                    options: {
+                        responsive: true,
+                        maintainAspectRatio: false,
+                        plugins: {
+                            legend: {
+                                position: 'right',
+                                labels: {
+                                    padding: 20,
+                                    boxWidth: 12,
+                                    boxHeight: 12
+                                }
+                            },
+                            tooltip: {
+                                callbacks: {
+                                    label: (context) => {
+                                        const total = context.dataset.data.reduce((sum, count) => sum + count, 0);
+                                        const percentage = ((context.raw / total) * 100).toFixed(1);
+                                        return `${context.raw} votes (${percentage}%)`;
+                                    }
+                                }
+                            }
+                        },
+                        cutout: '60%'
+                    }
+                });
+            }
+        }));
+    });
+</script>
+</body>
+</html>

ui/election.html

@@ -0,0 +1,126 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Vote in Election - qv</title>
+    <script src="/static/js/tailwind.min.js"></script>
+    <script src="/static/js/alpine.min.js" defer></script>
+</head>
+<body class="bg-gray-100 font-sans leading-normal tracking-normal">
+<div x-data="votePage" class="container mx-auto p-6 bg-white rounded-lg shadow-lg">
+    <main>
+        <h1 class="text-3xl font-bold mb-6" x-text="election.name || 'Loading...'"></h1>
+
+        <form @submit.prevent="submitVote" class="space-y-6">
+            <!-- Code Field -->
+            <template x-if="election.areVotersKnown">
+                <div>
+                    <label for="code" class="block text-sm font-medium text-gray-700">Access Code</label>
+                    <input type="text" id="code" x-model="code" required
+                           class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                </div>
+            </template>
+
+            <!-- Voting Choices -->
+            <template x-if="election.choices.length > 0">
+                <div>
+                    <label class="block text-sm font-medium text-gray-700">Distribute Your Tokens</label>
+                    <div class="space-y-2 mt-2">
+                        <template x-for="(choice, index) in election.choices" :key="index">
+                            <div>
+                                <label class="block text-gray-700" x-text="choice"></label>
+                                <input type="number" min="0"
+                                       x-model.number="votes[index]"
+                                       class="mt-1 block w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                            </div>
+                        </template>
+                        <p class="text-sm text-gray-500 mt-2">Tokens remaining: <span x-text="remainingTokens"></span></p>
+                    </div>
+                </div>
+            </template>
+
+            <!-- No Choices Message -->
+            <template x-if="!election.choices.length">
+                <p class="text-gray-700">No choices available for this election.</p>
+            </template>
+
+            <button type="submit"
+                    :disabled="remainingTokens < 0"
+                    class="w-full inline-flex justify-center py-2 px-4 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 disabled:opacity-50">
+                Submit Vote
+            </button>
+        </form>
+
+        <div x-show="message" class="mt-6 p-4 rounded-md" :class="{'bg-green-100 text-green-700': success, 'bg-red-100 text-red-700': !success}">
+            <p x-text="message"></p>
+        </div>
+    </main>
+</div>
+
+<script>
+    document.addEventListener("alpine:init", () => {
+        Alpine.data("votePage", () => ({
+            election: { name: "", choices: [], tokens: 0, areVotersKnown: false },
+            code: "",
+            votes: [],
+            message: "",
+            success: false,
+
+            get remainingTokens() {
+                return this.election.tokens - this.votes.reduce((sum, v) => sum + v, 0);
+            },
+
+            async init() {
+                const electionId = window.location.pathname.split("/").pop();
+                try {
+                    const response = await fetch(`/api/election/${electionId}`);
+                    if (!response.ok) throw new Error("Failed to load election details.");
+                    const data = await response.json();
+                    this.election = data;
+                    this.votes = Array(data.choices.length).fill(0);
+                } catch (error) {
+                    console.error(error);
+                    this.message = "Failed to load election details.";
+                    this.success = false;
+                }
+            },
+
+            async submitVote() {
+                if (this.remainingTokens < 0) {
+                    this.message = "You have exceeded the number of available tokens.";
+                    this.success = false;
+                    return;
+                }
+
+                const electionId = window.location.pathname.split("/").pop();
+                const payload = {
+                    voterIdentity: this.election.areVotersKnown ? this.code : null,
+                    choices: this.election.choices.map((choice, index) => ({
+                        choiceText: choice,
+                        tokens: this.votes[index] || 0,
+                    })),
+                };
+
+                try {
+                    const response = await fetch(`/api/election/${electionId}/votes`, {
+                        method: "POST",
+                        headers: { "Content-Type": "application/json" },
+                        body: JSON.stringify(payload),
+                    });
+                    if (!response.ok) {
+                        res = await response.json();
+                        throw new Error(res.message);
+                    }
+                    this.message = "Vote submitted successfully!";
+                    this.success = true;
+                } catch (error) {
+                    this.message = error.message;
+                    this.success = false;
+                }
+            }
+        }));
+    });
+</script>
+</body>
+</html>

ui/index.html

@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>qv</title>
+  <script src="/static/js/tailwind.min.js"></script>
+</head>
+<body class="bg-gray-100 text-gray-900">
+  <div class="min-h-screen flex flex-col items-center justify-center">
+    <header class="text-center mb-8">
+      <h1 class="text-4xl font-bold mb-4">Quadratic Voting</h1>
+      <p class="text-lg text-gray-600">Start your journey by creating a new election.</p>
+    </header>
+
+    <main class="text-center">
+      <a href="/election/create"
+         class="bg-blue-600 text-white text-lg font-semibold px-6 py-3 rounded-lg hover:bg-blue-700">
+        Create Election
+      </a>
+    </main>
+
+    <footer class="mt-12 text-center text-gray-600">
+      <a href="https://code.dlmw.ch/dlmw/qv" target="_blank">See the source code</a>
+    </footer>
+  </div>
+</body>
+</html>

ui/static/css/styles.css

@@ -1,197 +0,0 @@
-:root {
-    --primary-color: #2563eb;
-    --error-color: #dc2626;
-    --background-color: #f8fafc;
-    --border-color: #e2e8f0;
-    --text-color: #1e293b;
-}
-
-* {
-    margin: 0;
-    padding: 0;
-    box-sizing: border-box;
-}
-
-body {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
-    line-height: 1.6;
-    color: var(--text-color);
-    background: var(--background-color);
-    min-height: 100vh;
-}
-
-.container {
-    display: flex;
-    justify-content: center;
-    align-items: flex-start;
-    min-height: 100vh;
-    padding: 2rem;
-}
-
-main {
-    width: 100%;
-    max-width: 600px;
-    background: white;
-    border-radius: 8px;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
-    padding: 2rem;
-}
-
-.form {
-    display: flex;
-    flex-direction: column;
-    gap: 1.5rem;
-}
-
-.form-row {
-    display: flex;
-    gap: 1rem;
-    flex-wrap: wrap;
-}
-
-.form-row .form-group {
-    flex: 1 1 200px;
-    min-width: 0;
-}
-
-.form-group {
-    display: flex;
-    flex-direction: column;
-    gap: 0.5rem;
-}
-
-h1 {
-    margin-bottom: 2rem;
-    color: var(--text-color);
-    font-size: 1.5rem;
-}
-
-label {
-    font-weight: 500;
-}
-
-input, select {
-    padding: 0.5rem;
-    border: 1px solid var(--border-color);
-    border-radius: 4px;
-    font-size: 1rem;
-}
-
-input:focus, select:focus {
-    outline: none;
-    border-color: var(--primary-color);
-    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
-}
-
-#choices-container {
-    display: flex;
-    flex-direction: column;
-    gap: 0.5rem;
-}
-
-.choice-input {
-    display: flex;
-    gap: 0.5rem;
-}
-
-.choice-input input {
-    flex: 1;
-}
-
-.error-text {
-    color: red;
-    font-size: 12px;
-}
-
-button {
-    background: var(--primary-color);
-    color: white;
-    border: none;
-    padding: 0.75rem 1.5rem;
-    border-radius: 4px;
-    cursor: pointer;
-    font-size: 1rem;
-    transition: background-color 0.2s;
-}
-
-button:hover {
-    background-color: #1d4ed8;
-}
-
-#add-choice {
-    background: transparent;
-    color: var(--primary-color);
-    border: 1px solid var(--primary-color);
-    margin-top: 0.5rem;
-}
-
-#add-choice:hover {
-    background: rgba(37, 99, 235, 0.1);
-}
-
-.remove-choice {
-    padding: 0.5rem 1rem;
-    background: transparent;
-    color: var(--error-color);
-    border: 1px solid var(--error-color);
-    flex-shrink: 0;
-}
-
-.remove-choice:hover {
-    background: rgba(220, 38, 38, 0.1);
-}
-
-.form-actions {
-    display: flex;
-    justify-content: flex-end;
-    margin-top: 1rem;
-}
-
-.election-info {
-    margin-top: 2rem;
-}
-
-.election-info h2 {
-    margin-bottom: 1.5rem;
-    color: var(--text-color);
-    font-size: 1.5rem;
-}
-
-.info-container {
-    display: flex;
-    align-items: center;
-    padding: 0.75rem;
-    background: var(--background-color);
-    border: 1px solid var(--border-color);
-    border-radius: 4px;
-}
-
-.info-label {
-    font-weight: 500;
-    margin-right: 1rem;
-}
-
-.info-value {
-    font-family: monospace;
-    flex: 1;
-}
-
-@media (max-width: 640px) {
-    .container {
-        padding: 0;
-    }
-
-    main {
-        border-radius: 0;
-        box-shadow: none;
-        padding: 1rem;
-    }
-
-    .form-actions {
-        flex-direction: column;
-    }
-
-    button {
-        width: 100%;
-    }
-}

ui/static/js/json-enc-custom.js

@@ -1,120 +0,0 @@
-htmx.defineExtension('json-enc-custom', {
-    onEvent: function (name, evt) {
-        if (name === "htmx:configRequest") {
-            evt.detail.headers['Content-Type'] = "application/json";
-        }
-    },
-    encodeParameters: function (xhr, parameters, elt) {
-        xhr.overrideMimeType('text/json');
-        let encoded_parameters = encodingAlgorithm(parameters);
-        return encoded_parameters;
-    }
-});
-
-function encodingAlgorithm(parameters) {
-    let resultingObject = Object.create(null);
-    const PARAM_NAMES = Object.keys(parameters);
-    const PARAM_VALUES = Object.values(parameters);
-    const PARAM_LENGHT = PARAM_NAMES.length;
-
-    for (let param_index = 0; param_index < PARAM_LENGHT; param_index++) {
-        let name = PARAM_NAMES[param_index];
-        let value = PARAM_VALUES[param_index];
-        let steps = JSONEncodingPath(name);
-        let context = resultingObject;
-
-        for (let step_index = 0; step_index < steps.length; step_index++) {
-            let step = steps[step_index];
-            context = setValueFromPath(context, step, value);
-        }
-    }
-
-    let result = JSON.stringify(resultingObject);
-    return result
-}
-
-function JSONEncodingPath(name) {
-    let path = name;
-    let original = path;
-    const FAILURE = [{ "type": "object", "key": original, "last": true, "next_type": null }];
-    let steps = Array();
-    let first_key = String();
-    for (let i = 0; i < path.length; i++) {
-        if (path[i] !== "[") first_key += path[i];
-        else break;
-    }
-    if (first_key === "") return FAILURE;
-    path = path.slice(first_key.length);
-    steps.push({ "type": "object", "key": first_key, "last": false, "next_type": null });
-    while (path.length) {
-        // [123...]
-        if (/^\[\d+\]/.test(path)) {
-            path = path.slice(1);
-            let collected_digits = path.match(/\d+/)[0]
-            path = path.slice(collected_digits.length);
-            let numeric_key = parseInt(collected_digits, 10);
-            path = path.slice(1);
-            steps.push({ "type": "array", "key": numeric_key, "last": false, "next_type": null });
-            continue
-        }
-        // [abc...]
-        if (/^\[[^\]]+\]/.test(path)) {
-            path = path.slice(1);
-            let collected_characters = path.match(/[^\]]+/)[0];
-            path = path.slice(collected_characters.length);
-            let object_key = collected_characters;
-            path = path.slice(1);
-            steps.push({ "type": "object", "key": object_key, "last": false, "next_type": null });
-            continue;
-        }
-        return FAILURE;
-    }
-    for (let step_index = 0; step_index < steps.length; step_index++) {
-        if (step_index === steps.length - 1) {
-            let tmp_step = steps[step_index];
-            tmp_step["last"] = true;
-            steps[step_index] = tmp_step;
-        }
-        else {
-            let tmp_step = steps[step_index];
-            tmp_step["next_type"] = steps[step_index + 1]["type"];
-            steps[step_index] = tmp_step;
-        }
-    }
-    return steps;
-}
-
-function setValueFromPath(context, step, value) {
-    if (step.last) {
-        context[step.key] = value;
-    }
-
-    //TODO: make merge functionality and file suport.
-
-    //check if the context value already exists
-    if (context[step.key] === undefined) {
-        if (step.type === "object") {
-            if (step.next_type === "object") {
-                context[step.key] = {};
-                return context[step.key];
-            }
-            if (step.next_type === "array") {
-                context[step.key] = [];
-                return context[step.key];
-            }
-        }
-        if (step.type === "array") {
-            if (step.next_type === "object") {
-                context[step.key] = {};
-                return context[step.key];
-            }
-            if (step.next_type === "array") {
-                context[step.key] = [];
-                return context[step.key];
-            }
-        }
-    }
-    else {
-        return context[step.key];
-    }
-}