Ensure timeline chat

VERSION

@@ -1 +1 @@
-0.76.4+hotfix.1
+0.76.4+hotfix.2

protocol/chat.go

@@ -33,7 +33,11 @@ const (
 	ChatTypeCommunityChat
 )
 
-const pkStringLength = 68
+const (
+	// timelineChatID is a magic ID for the singleton timeline chat
+	timelineChatID = "@timeline70bd746ddcc12beb96b2c9d572d0784ab137ffc774f5383e50585a932080b57cca0484b259e61cecbaa33a4c98a300a"
+	pkStringLength = 68
+)
 
 type Chat struct {
 	// ID is the id of the chat, for public chats it is the name e.g. status, for one-to-one
@@ -285,6 +289,16 @@ func CreateOneToOneChat(name string, publicKey *ecdsa.PublicKey, timesource comm
 	}
 }
 
+func CreateTimelineChat(timesource common.TimeSource) *Chat {
+	return &Chat{
+		ID:        timelineChatID,
+		Name:      "#" + timelineChatID,
+		Timestamp: int64(timesource.GetCurrentTime()),
+		Active:    true,
+		ChatType:  ChatTypeTimeline,
+	}
+}
+
 func CreateCommunityChat(orgID, chatID string, orgChat *protobuf.CommunityChat, timesource common.TimeSource) *Chat {
 	color := orgChat.Identity.Color
 	if color == "" {

protocol/messenger.go

@@ -3071,7 +3071,16 @@ func (m *Messenger) MessageByChatID(chatID, cursor string, limit int) ([]*common
 		return nil, "", err
 	}
 
-	if chat.Timeline() {
+	if chatID == timelineChatID {
+		// If no timeline chat exists, creates it
+		if chat == nil {
+			err = m.ensureTimelineChat()
+			if err != nil {
+				return nil, "", err
+
+			}
+		}
+
 		var chatIDs = []string{"@" + contactIDFromPublicKey(&m.identity.PublicKey)}
 		contacts, err := m.persistence.Contacts()
 		if err != nil {
@@ -4172,7 +4181,14 @@ func (m *Messenger) EmojiReactionsByChatID(chatID string, cursor string, limit i
 		return nil, err
 	}
 
-	if chat.Timeline() {
+	if chatID == timelineChatID {
+		if chat == nil {
+			err = m.ensureTimelineChat()
+			if err != nil {
+				return nil, err
+			}
+		}
+
 		var chatIDs = []string{"@" + contactIDFromPublicKey(&m.identity.PublicKey)}
 		m.allContacts.Range(func(contactID string, contact *Contact) (shouldContinue bool) {
 			if contact.IsAdded() {

protocol/messenger_chats.go

@@ -228,3 +228,18 @@ func (m *Messenger) Join(chat *Chat) ([]*transport.Filter, error) {
 		return nil, errors.New("chat is neither public nor private")
 	}
 }
+
+func (m *Messenger) ensureTimelineChat() error {
+	chat, err := m.persistence.Chat(timelineChatID)
+	if err != nil {
+		return err
+	}
+
+	if chat == nil {
+		chat = CreateTimelineChat(m.getTimesource())
+	}
+
+	m.allChats.Store(timelineChatID, chat)
+
+	return nil
+}