Initial commit

cmd/web/handlers.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"errors"
+	"github.com/google/uuid"
+	"github.com/julienschmidt/httprouter"
+	"net/http"
+	"net/url"
+	"strings"
+	"vkane.cz/tinyquiz/pkg/model"
+	"vkane.cz/tinyquiz/pkg/model/ent"
+)
+
+func (app *application) home(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	type homeData struct {
+		Stats model.Stats
+		templateData
+	}
+	td := &homeData{}
+	setDefaultTemplateData(&td.templateData)
+
+	if stats, err := app.model.GetStats(r.Context()); err == nil {
+		td.Stats = stats
+	} else {
+		app.serverError(w, err)
+		return
+	}
+
+	app.render(w, r, "home.page.tmpl.html", td)
+}
+
+func (app *application) play(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	if err := r.ParseForm(); err != nil {
+		app.clientError(w, http.StatusBadRequest)
+		return
+	}
+
+	var code = strings.TrimSpace(params.ByName("code"))
+	var player = strings.ToLower(strings.TrimSpace(r.PostForm.Get("player")))
+
+	if len(player) < 1 {
+		app.clientError(w, http.StatusBadRequest)
+		return
+	}
+
+	if player, err := app.model.RegisterPlayer(player, code, r.Context()); err == nil {
+		if session, err := player.Unwrap().QuerySession().Only(r.Context()); err == nil {
+			if su, err := app.model.GetPlayersStateUpdate(session.ID, r.Context()); err == nil {
+				app.rtClients.SendToAll(session.ID, su)
+			} else {
+				app.serverError(w, err)
+				return
+			}
+		} else {
+			app.serverError(w, err)
+			return
+		}
+		http.Redirect(w, r, "/game/" + url.PathEscape(player.ID.String()), http.StatusSeeOther)
+		return
+	} else if errors.Is(err, model.NoSuchEntity) {
+		app.clientError(w, http.StatusNotFound)
+		return
+	} else if errors.Is(err, model.ConstraintViolation) {
+		app.clientError(w, http.StatusForbidden)
+		return
+	} else {
+		app.serverError(w, err)
+		return
+	}
+
+}
+
+func (app *application) game(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
+	var playerUid uuid.UUID
+	if uid, err := uuid.Parse(params.ByName("playerUid")); err == nil {
+		playerUid = uid
+	} else {
+		app.clientError(w, http.StatusBadRequest)
+		return
+	}
+
+	if player, err := app.model.GetPlayerWithSessionAndGame(playerUid, r.Context()); err == nil {
+		type lobbyData struct {
+			P *ent.Player
+			templateData
+		}
+		td := &lobbyData{}
+		setDefaultTemplateData(&td.templateData)
+		td.P = player
+
+		app.render(w, r, "game.page.tmpl.html", td)
+	} else {
+		app.clientError(w, http.StatusNotFound)
+		return
+	}
+}