feat: logout route and button

routes/login_page.go

@@ -7,7 +7,9 @@ import (
 	"html/template"
 	"log"
 	"net/http"
+	"slices"
 	"strconv"
+	"time"
 
 	"sunshine.industries/some-automoderation/rooms"
 	"sunshine.industries/some-automoderation/sessions"
@@ -30,6 +32,8 @@ func registerLoginRoutes(
 	http.HandleFunc("/login/join", joinRoomHandler(templateFs, sessionSM, roomsM))
 	http.HandleFunc("/login/create", createRoomHandler(templateFs, sessionSM, roomsM))
 	http.HandleFunc("/login/room-name-check", checkRoomName(templateFs, roomsM))
+	http.Handle("/logout", authedPageMiddleware(sessionSM,
+		http.HandlerFunc(logoutRoute(sessionSM, roomsM))))
 }
 
 const authCookieName = "auth"
@@ -89,7 +93,7 @@ func renderLoginPage(w http.ResponseWriter) {
 	baseFile := "templates/base.gohtml"
 	templFile := "templates/login.gohtml"
 	tmpl := template.Must(template.ParseFS(templateFs, templFile, baseFile))
-	data := pageData {
+	data := pageData{
 		Base: baseData{
 			Title: "login",
 		},
@@ -138,7 +142,7 @@ func createRoomHandler(templateFs *embed.FS,
 			log.Printf("what am i to do? error saving room %s", err)
 			// todo return error notice somehow
 		}
-		newSessionId, err := sessionSM.Save(newRoom.Name, person.Id)
+		newSessionId, err := sessionSM.Save(r.Context(), newRoom.Name, person.Id)
 		if err != nil {
 			log.Printf("what am i to do? error saving session %s", err)
 			// todo return error notice somehow
@@ -261,7 +265,10 @@ func joinRoomHandler(templateFs *embed.FS,
 
 		err = roomsM.Update(r.Context(), room.Name, func(fromRoom rooms.Room) (toRoom rooms.Room) {
 			toRoom = fromRoom
-			toRoom.Paricipants = append(toRoom.Paricipants, person.Id)
+			if !slices.Contains(toRoom.Paricipants, person.Id) {
+				// consequtive login from additional devices
+				toRoom.Paricipants = append(toRoom.Paricipants, person.Id)
+			}
 			return toRoom
 		})
 		if err != nil {
@@ -272,7 +279,7 @@ func joinRoomHandler(templateFs *embed.FS,
 			return // error sitting a new person
 		}
 
-		newSessionId, err := sessionSM.Save(room.Name, person.Id)
+		newSessionId, err := sessionSM.Save(r.Context(), room.Name, person.Id)
 		if err != nil {
 			log.Printf("/login/submit > error saving session %s", err)
 		}
@@ -291,3 +298,41 @@ func joinRoomHandler(templateFs *embed.FS,
 		w.Header().Add("HX-Redirect", "/")
 	}
 }
+
+func logoutRoute(sessionSM sessions.SessionManagement,
+	roomsM rooms.RoomManager) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		session, found := getContextSession(r.Context())
+		if !found {
+			log.Printf("/logout session not found, it's ok.")
+			//  though this is under middleware for now, should be impossible
+			// TODO return error i guess
+			w.Header().Add("HX-Redirect", "/")
+			return
+		}
+		http.SetCookie(w, &http.Cookie{
+			Name:     authCookieName,
+			Expires:  time.Now().Add(-time.Hour),
+			Value:    "",
+			Secure:   true,
+			HttpOnly: true,
+			Path:     "/",
+		})
+		err := sessionSM.Remove(r.Context(), session.SessionId)
+		if err != nil {
+			log.Printf("/logout error deleting session: %s", err)
+		}
+		err = roomsM.Update(r.Context(), session.RoomId, func(fromRoom rooms.Room) (toRoom rooms.Room) {
+			toRoom = fromRoom
+			toRoom.PersonToStandUpFromTable(session.PersonId)
+			return toRoom
+		})
+		if err != nil {
+			log.Printf("/logout error removing person from table: %s", err)
+		}
+
+		log.Printf("/logout deleting session %+v", session)
+
+		w.Header().Add("HX-Redirect", "/")
+	}
+}