workin on drawing

cmd/server/internal/public/index.html

@@ -23,8 +23,10 @@
 
       function pollState() {
         http("GET", "/api/v1/questions", (body) => {
+          if (!body)
+            return;
           g_questions = JSON.parse(body);
-          console.log("polled state:", body);
+          console.log("TODO polled state:", body);
           pollLiveAnswer();
           pollLiveQuestion();
         });
@@ -35,12 +37,28 @@
         if (live_questions) {
           g_live_question = live_questions[0];
         }
+        if (g_live_question) {
+          document.getElementById("question-text").innerHTML = g_live_question.Text;
+          let options = "";
+          for (let i of g_live_question.Options)
+            options += `<li>${i}</li>`;
+          document.getElementById("question-options").innerHTML = options;
+        }
       }
 
       function pollLiveAnswer() {
         if (!g_live_question || !g_live_question.Closed) {
+          document.getElementById("answers").hidden = true;
           return;
         }
+        document.getElementById("answers").hidden = false;
+        http("GET", `/api/v1/questions/${g_live_question.ID}/answers`, (body) => {
+          let answers = JSON.parse(body);
+          let result = "";
+          for (let i of answers)
+            result += `<br>${i}`;
+          document.getElementById("answers").innerHTML = result;
+        });
       }
 
       function http(method, remote, callback, body) {
@@ -58,7 +76,11 @@
       }
 
       pollState();
-      setInterval(() => { pollState(); }, 1000);
+      setInterval(() => {
+        try {
+          pollState();
+        } catch {}
+      }, 1000);
     </script>
   </footer>
 </html>

cmd/server/main.go

@@ -17,6 +17,7 @@ import (
 	"strings"
 	"syscall"
 
+	"gitea.inhome.blapointe.com/local/gziphttp"
 	"golang.org/x/time/rate"
 )
 
@@ -162,6 +163,10 @@ var public = func() http.FileSystem {
 
 func (h Handler) handle(session Session, w http.ResponseWriter, r *http.Request) error {
 	if !strings.HasPrefix(r.URL.Path, "/api/") {
+		if gziphttp.Can(r) {
+			w = gziphttp.New(w)
+		}
+		w.Header().Set("Cache-Control", "private, max-age=60")
 		http.FileServer(public).ServeHTTP(w, r)
 		return nil
 	}
@@ -222,7 +227,7 @@ func (h Handler) handleAPIV1QuestionsAnswersPost(session Session, w http.Respons
 	uid := session.User.ID
 	var a Answer
 	if err := json.NewDecoder(r.Body).Decode(&a); err != nil {
-		return err
+		return fmt.Errorf("failed to read answer: %w", err)
 	}
 	return h.db.InsertAnswer(qid, uid, a)
 }
@@ -236,7 +241,7 @@ func (db fsDB) GetQuestion(qid string) (Question, error) {
 
 	var q Question
 	if err := json.Unmarshal(b, &q); err != nil {
-		return Question{}, err
+		return Question{}, fmt.Errorf("failed to parse %s as question: %w", b, err)
 	}
 	q.ID = qid
 	return q, nil
@@ -263,6 +268,9 @@ func (db fsDB) GetQuestions() ([]Question, error) {
 	}
 	results := []Question{}
 	for _, entry := range entries {
+		if strings.HasPrefix(path.Base(entry.Name()), ".") {
+			continue
+		}
 		qid := path.Base(entry.Name())
 		q, err := db.GetQuestion(qid)
 		if err != nil {
@@ -276,18 +284,24 @@ func (db fsDB) GetQuestions() ([]Question, error) {
 func (db fsDB) GetAnswers(qid string) ([]Answer, error) {
 	p := db.path(qid) + ".d"
 	entries, err := os.ReadDir(p)
+	if os.IsNotExist(err) {
+		return nil, nil
+	}
 	if err != nil {
 		return nil, err
 	}
 	results := []Answer{}
 	for _, entry := range entries {
+		if strings.HasPrefix(path.Base(entry.Name()), ".") {
+			continue
+		}
 		b, err := os.ReadFile(path.Join(p, entry.Name()))
 		if err != nil {
 			return nil, err
 		}
 		var a Answer
 		if err := json.Unmarshal(b, &a); err != nil {
-			return nil, err
+			return nil, fmt.Errorf("failed to parse %s as answer: %w", path.Join(p, entry.Name()), err)
 		}
 		results = append(results, a)
 	}