Add chat hiding mentions follow counts waveform and post fixes

src/modules/chat/chat.service.spec.ts

@@ -27,6 +27,7 @@ describe('ChatService realtime message broadcasting', () => {
       markMessageSeen: jest.fn().mockResolvedValue(undefined),
       clearConversationUnreadForUser: jest.fn().mockResolvedValue(undefined),
       markMessageDelivered: jest.fn().mockResolvedValue(undefined),
+      hideConversationForUser: jest.fn().mockResolvedValue(conversation),
     };
     notificationsService = {
       createMessageNotification: jest.fn().mockResolvedValue(null),
@@ -163,4 +164,30 @@ describe('ChatService realtime message broadcasting', () => {
     });
     expect(result.seenAt).toEqual(expect.any(String));
   });
+
+  it('hides a conversation for the current user only', async () => {
+    const result = await service.hideConversationForMe(senderId, conversationId);
+
+    expect(chatRepository.findConversationById).toHaveBeenCalledWith(conversationId);
+    expect(chatRepository.hideConversationForUser).toHaveBeenCalledWith(
+      conversationId,
+      senderId,
+      expect.any(Date),
+    );
+    expect(chatRepository.createMessage).not.toHaveBeenCalled();
+    expect(result).toEqual({
+      success: true,
+      conversationId,
+      deletedForMe: true,
+    });
+  });
+
+  it('does not hide a conversation for a non-participant', async () => {
+    const outsiderId = new Types.ObjectId().toString();
+
+    await expect(service.hideConversationForMe(outsiderId, conversationId)).rejects.toThrow(
+      'You are not a member of this conversation',
+    );
+    expect(chatRepository.hideConversationForUser).not.toHaveBeenCalled();
+  });
 });