Implement page to vote and fix trigger

cmd/web/handlers.go

@@ -20,7 +20,18 @@ import (
 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) getElectionPage(w http.ResponseWriter, r *http.Request) {
+	content, err := ui.Files.ReadFile("election.html")
+	if err != nil {
+		app.serverError(w, r, err)
 		return
 	}
 
@@ -253,23 +264,23 @@ func (app *application) createVotesHandleUnknownVotersElection(w http.ResponseWr
 		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 {
+	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
+	}
+
 	return voterIdentity, nil
 }
 

cmd/web/routes.go

@@ -23,6 +23,7 @@ func (app *application) routes() http.Handler {
 	mux.Handle("GET /static/", cached.Then(http.FileServerFS(ui.Files)))
 
 	mux.HandleFunc("GET /election/create", app.createElectionPage)
+	mux.HandleFunc("GET /election/{id}", app.getElectionPage)
 
 	api.HandlerWithOptions(app, api.StdHTTPServerOptions{
 		BaseRouter:       mux,