feat: logout route and button

rooms/room.go

@@ -117,6 +117,16 @@ gestureIteration:
 	r.CurrentSpeaker = nextSpeakerId
 }
 
+func (r *Room) PersonToStandUpFromTable(p PersonId) {
+	r.ReleaseHand(p)
+	if slices.Contains(r.Paricipants, p) {
+		updated := slices.DeleteFunc(r.Paricipants,  func(sittingPerson PersonId) bool {
+			return sittingPerson == p
+		})
+		r.Paricipants = updated
+	}
+}
+
 // find place to start - separate function
 // current speaker level, searched gesture level, room marks
 // if search level >= current speaker start from speaker

routes/base_page.go

@@ -4,7 +4,12 @@ type baseData struct {
 	Title string
 }
 
+type headerData struct {
+	Title string
+}
+
 type pageData struct {
 	Base baseData
-	Content interface {}
+	Content any
+	Header headerData
 }

routes/index_page.go

@@ -30,10 +30,13 @@ func indexPageRoute(
 			SessionToken       sessions.SessionData
 		}
 
-		data := pageData {
+		data := pageData{
 			Base: baseData{
 				Title: "hello base template title",
 			},
+			Header: headerData{
+				Title: session.RoomId,
+			},
 			Content: MainData{
 				fmt.Sprintf("%+v", session),
 				"hello!",

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
+			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", "/")
+	}
+}

routes/room_page.go

@@ -223,6 +223,9 @@ func roomPageRoute(
 				Title: "room-lala-from-base",
 			},
 			Content: contentData,
+			Header: headerData{
+				Title: room.Name,
+			},
 		}
 
 		err = tmpl.ExecuteTemplate(w, "full-page", data)

routes/static/out.css

@@ -550,6 +550,10 @@ video {
   display: grid;
 }
 
+.h-14 {
+  height: 3.5rem;
+}
+
 .h-full {
   height: 100%;
 }
@@ -562,6 +566,10 @@ video {
   width: 100%;
 }
 
+.flex-none {
+  flex: none;
+}
+
 .grid-cols-2 {
   grid-template-columns: repeat(2, minmax(0, 1fr));
 }
@@ -641,10 +649,25 @@ video {
   background-color: rgb(255 255 255 / var(--tw-bg-opacity));
 }
 
+.bg-yellow-200 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(254 240 138 / var(--tw-bg-opacity));
+}
+
 .p-4 {
   padding: 1rem;
 }
 
+.px-2 {
+  padding-left: 0.5rem;
+  padding-right: 0.5rem;
+}
+
+.py-1 {
+  padding-top: 0.25rem;
+  padding-bottom: 0.25rem;
+}
+
 .text-xl {
   font-size: 1.25rem;
   line-height: 1.75rem;

routes/templates/base.gohtml

@@ -22,7 +22,16 @@
     <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
     <!-- Place favicon.ico in the root directory -->
   </head>
-  <body>
+  <body
+      class="flex flex-col"
+      >
+      <nav class="bg-yellow-200 flex-none h-14">
+        {{if .Header.Title}} Room name: "{{.Header.Title}}"{{end}}
+        <button
+          class="bg-white border-2 rounded py-1 px-2"
+          hx-get="/logout"
+          >Logout</button>
+      </nav>
     <!--[if lt IE 8]>
       <p class="browserupgrade">
         You are using an <strong>outdated</strong> browser. Please

routes/templates/room.gohtml

@@ -46,7 +46,6 @@
           {{ end }}
         </div>
         <div id="controls" class="bg-green-300">
-          <p>Room name is "{{ .Room.Name }}"</p>
           {{ range .Gestures }}
           <button
             hx-get="{{ .Url }}"

sessions/sessions_manager.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"math/rand"
+	"time"
 
 	"sunshine.industries/some-automoderation/rooms"
 
@@ -19,11 +20,10 @@ type SessionData struct {
 
 type SessionManagement interface {
 	Get(sessionId int) SessionData
-	Save(roomName string, personId rooms.PersonId) (int, error)
+	Save(ctx context.Context, roomName string, personId rooms.PersonId) (int, error)
+	Remove(ctx context.Context, sessionId int) error
 }
 
-var ctx = context.Background()
-
 const sessionPrefix = "session"
 
 func sessionIdToKey(sessionId int) string {
@@ -37,7 +37,7 @@ type RedisSM struct {
 func (redisSM RedisSM) Get(sessionId int) SessionData {
 	var foundSession SessionData
 	redisKey := sessionIdToKey(sessionId)
-	err := redisSM.Rdb.HGetAll(ctx, redisKey).Scan(&foundSession)
+	err := redisSM.Rdb.HGetAll(context.TODO(), redisKey).Scan(&foundSession)
 	if err != nil {
 		log.Printf("> error reading %s : %s", redisKey, err)
 		return SessionData{}
@@ -45,7 +45,7 @@ func (redisSM RedisSM) Get(sessionId int) SessionData {
 	log.Printf("> successfully found %d %+v", sessionId, foundSession)
 	return foundSession
 }
-func (redisSM RedisSM) Save(roomName string, personId rooms.PersonId) (int, error) {
+func (redisSM RedisSM) Save(ctx context.Context, roomName string, personId rooms.PersonId) (int, error) {
 	randId := rand.Int()
 	newSession := SessionData{
 		SessionId: randId,
@@ -53,6 +53,8 @@ func (redisSM RedisSM) Save(roomName string, personId rooms.PersonId) (int, erro
 		PersonId:  personId,
 	}
 	err := redisSM.Rdb.HSet(ctx, sessionIdToKey(randId), newSession).Err()
+	redisSM.Rdb.Expire(ctx, sessionIdToKey(randId), 24 * time.Hour)
+
 	if err != nil {
 		log.Printf("> error! saving session %+v %s", newSession, err)
 		return 0, fmt.Errorf("error saving new session: %+v with %s", newSession, err)
@@ -60,13 +62,22 @@ func (redisSM RedisSM) Save(roomName string, personId rooms.PersonId) (int, erro
 	return randId, nil
 }
 
+func (redisSM RedisSM) Remove(ctx context.Context, sessionId int) error {
+	err := redisSM.Rdb.Del(ctx, sessionIdToKey(sessionId)).Err()
+	return err
+}
+
 type DummySM struct{}
 
 func (d DummySM) Get(sessionId int) SessionData {
 	log.Printf("get dummy session by %d", sessionId)
 	return SessionData{}
 }
-func (d DummySM) Save(roomName string, personId rooms.PersonId) (int, error) {
+func (d DummySM) Save(ctx context.Context, roomName string, personId rooms.PersonId) (int, error) {
 	log.Printf("save dummy session with %s %d", roomName, personId)
 	return 1, nil
 }
+func (d DummySM) Remove(ctx context.Context, sessionId int) error {
+	log.Printf("deleting session %d", sessionId)
+	return nil
+}