feat: login form or room info on index page

routes/login_page.go

@@ -3,6 +3,7 @@ package routes
 import (
 	"context"
 	"embed"
+	"errors"
 	"fmt"
 	"html/template"
 	"log"
@@ -55,6 +56,27 @@ func getContextSession(ctx context.Context) (sessions.SessionData, bool) {
 	}
 }
 
+var ErrAuthCookieMissing = errors.New("auth cookie is missing")
+var ErrAuthCookieValueInvalid = errors.New("auth cookie value is not decoeable")
+var ErrAuthSessionNotFound = errors.New("session not found")
+
+func getRequestSession(r *http.Request,
+	sessionsM sessions.SessionManagement) (sessions.SessionData, error) {
+	sessionCookie, err := r.Cookie(authCookieName)
+	if err != nil {
+		return sessions.SessionData{}, ErrAuthCookieMissing
+	}
+	sessionId, err := strconv.Atoi(sessionCookie.Value)
+	if err != nil {
+		return sessions.SessionData{}, ErrAuthCookieValueInvalid
+	}
+	session := sessionsM.Get(sessionId)
+	if session == (sessions.SessionData{}) {
+		return sessions.SessionData{}, ErrAuthSessionNotFound
+	}
+	return session, nil
+}
+
 // checks sessionId from cookie
 // when non-zero session found - pass to next http.Hander
 // when no session available - render same as login page and redirect to /
@@ -72,21 +94,10 @@ func authedPageMiddleware(
 		next.ServeHTTP(w, r.WithContext(ctx))
 	}
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		sessionCookie, err := r.Cookie(authCookieName)
+		session, err := getRequestSession(r, sessionsM)
 		if err != nil {
 			returnNoAccess(w, r)
 			return
-		}
-		// TODO log here, why i get 'error readin 0'
-		sessionId, err := strconv.Atoi(sessionCookie.Value)
-		if err != nil {
-			returnNoAccess(w, r)
-			return
-		}
-		session := sessionsM.Get(sessionId)
-		if session == (sessions.SessionData{}) {
-			returnNoAccess(w, r)
-			return
 		} else {
 			rerturnSuccess(w, r, session)
 			return