def chat_by_user(request, chat_username):
if chat_username == request.user.username:
return redirect(reverse('chat_list'))
chat_user = get_object_or_404(User, username=chat_username)
msg_form = MessageForm(request.POST or None)
if msg_form.is_valid():
msg_text = msg_form.cleaned_data['msg_text']
Message.objects.create(receiver=chat_user,
sender=request.user,
msg_text=msg_text)
return redirect(reverse('chat_by_user', args=[chat_username]))
cur_user_msgs = Message.user_msgs(request.user)
msgs_by_user = cur_user_msgs.filter(
Q(sender=chat_user) | Q(receiver=chat_user)).order_by('date_sent')
all_conversations = conversations_list(request.user)
context = {
'all_conversations': all_conversations,
'msg_form': msg_form,
'new_all_msgs': msgs_by_user,
'chat_user': chat_user,
'chat_username': chat_username,
}
return render(request, 'core/chat.html', context)
def conversations_list(user: User):
dialog_msgs = Message.user_msgs(user)
all_conversations = []
used_interlocutors = set()
for msg in dialog_msgs:
if msg.sender == user:
interlocutor = msg.receiver
else:
interlocutor = msg.sender
if interlocutor not in used_interlocutors:
all_conversations.append({
"object": interlocutor,
"date": msg.date_sent
})
used_interlocutors.add(interlocutor)
for group in user.inside_group_chats.all():
msg = Message.objects.filter(
group_chat_in=group).order_by('-date_sent').first()
if msg is None:
_date = group.date_created
else:
_date = msg.date_sent
all_conversations.append({"object": group, "date": _date})
all_conversations.sort(key=lambda o: o["date"], reverse=True)
return all_conversations
