From f6ba263305da5c5501bda8e22532852a3c9ea230 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Sun, 11 Apr 2021 12:13:03 +0200
Subject: internal: Remove now unused code from mam.py

---
 poezio/mam.py | 113 +++++-----------------------------------------------------
 1 file changed, 8 insertions(+), 105 deletions(-)

diff --git a/poezio/mam.py b/poezio/mam.py
index 468d12e7..56dad6bf 100644
--- a/poezio/mam.py
+++ b/poezio/mam.py
@@ -1,20 +1,17 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
 """
     Query and control an archive of messages stored on a server using
     XEP-0313: Message Archive Management(MAM).
 """
 
+from __future__ import annotations
+
 import asyncio
 import logging
-import random
 from datetime import datetime, timedelta, timezone
 from hashlib import md5
 from typing import (
     Any,
     AsyncIterable,
-    Callable,
     Dict,
     List,
     Optional,
@@ -24,13 +21,10 @@ from slixmpp import JID, Message as SMessage
 from slixmpp.exceptions import IqError, IqTimeout
 from poezio.theming import get_theme
 from poezio import tabs
-from poezio import xhtml, colors
-from poezio.config import config
+from poezio import colors
 from poezio.common import to_utc
-from poezio.text_buffer import TextBuffer, HistoryGap
 from poezio.ui.types import (
     BaseMessage,
-    EndOfArchive,
     Message,
 )
 
@@ -48,6 +42,7 @@ def make_line(
         time: datetime,
         jid: JID,
         identifier: str = '',
+        nick: str = ''
     ) -> Message:
     """Adds a textual entry in the TextBuffer"""
 
@@ -71,11 +66,13 @@ def make_line(
                 color = theme.LIST_COLOR_NICKNAMES[nick_pos]
     else:
         if jid.bare == tab.core.xmpp.boundjid.bare:
-            nick = tab.core.own_nick
+            if not nick:
+                nick = tab.core.own_nick
             color = get_theme().COLOR_OWN_NICK
         else:
             color = get_theme().COLOR_REMOTE_USER
-            nick = tab.get_nick()
+            if not nick:
+                nick = tab.get_nick()
     return Message(
         txt=text,
         identifier=identifier,
@@ -193,97 +190,3 @@ async def fetch_history(tab: tabs.ChatTab,
         reverse=True,
     )
     return await retrieve_messages(tab, mam_iterator, amount)
-
-async def fill_missing_history(tab: tabs.ChatTab, gap: HistoryGap) -> None:
-    start = gap.last_timestamp_before_leave
-    end = gap.first_timestamp_after_join
-    if start:
-        start = start + timedelta(seconds=1)
-    if end:
-        end = end - timedelta(seconds=1)
-    try:
-        messages = await fetch_history(tab, start=start, end=end, amount=999)
-        tab._text_buffer.add_history_messages(messages, gap=gap)
-        if messages:
-            tab.core.refresh_window()
-    except (NoMAMSupportException, MAMQueryException, DiscoInfoException):
-        return
-    finally:
-        tab.query_status = False
-
-async def on_new_tab_open(tab: tabs.ChatTab) -> None:
-    """Called when opening a new tab"""
-    amount = 2 * tab.text_win.height
-    end = datetime.now()
-    for message in tab._text_buffer.messages:
-        if isinstance(message, Message) and to_utc(message.time) < to_utc(end):
-            end = message.time
-            break
-    end = end - timedelta(microseconds=1)
-    try:
-        messages = await fetch_history(tab, end=end, amount=amount)
-        tab._text_buffer.add_history_messages(messages)
-        if messages:
-            tab.core.refresh_window()
-    except (NoMAMSupportException, MAMQueryException, DiscoInfoException):
-        return None
-    finally:
-        tab.query_status = False
-
-
-def schedule_tab_open(tab: tabs.ChatTab) -> None:
-    """Set the query status and schedule a MAM query"""
-    tab.query_status = True
-    asyncio.ensure_future(on_tab_open(tab))
-
-
-async def on_tab_open(tab: tabs.ChatTab) -> None:
-    gap = tab._text_buffer.find_last_gap_muc()
-    if gap is None or not gap.leave_message:
-        await on_new_tab_open(tab)
-    else:
-        await fill_missing_history(tab, gap)
-
-
-def schedule_scroll_up(tab: tabs.ChatTab) -> None:
-    """Set query status and schedule a scroll up"""
-    tab.query_status = True
-    asyncio.ensure_future(on_scroll_up(tab))
-
-
-async def on_scroll_up(tab: tabs.ChatTab) -> None:
-    tw = tab.text_win
-
-    # If position in the tab is < two screen pages, then fetch MAM, so that we
-    # keep some prefetched margin. A first page should also be prefetched on
-    # join if not already available.
-    total, pos, height = len(tw.built_lines), tw.pos, tw.height
-    rest = (total - pos) // height
-
-    if rest > 1:
-        tab.query_status = False
-        return None
-
-    try:
-        # XXX: Do we want to fetch a possibly variable number of messages?
-        # (InfoTab changes height depending on the type of messages, see
-        # `information_buffer_popup_on`).
-        messages = await fetch_history(tab, amount=height)
-        last_message_exists = False
-        if tab._text_buffer.messages:
-            last_message = tab._text_buffer.messages[0]
-            last_message_exists = True
-        if not messages and last_message_exists and not isinstance(last_message, EndOfArchive):
-            time = tab._text_buffer.messages[0].time
-            messages = [EndOfArchive('End of archive reached', time=time)]
-        tab._text_buffer.add_history_messages(messages)
-        if messages:
-            tab.core.refresh_window()
-    except NoMAMSupportException:
-        tab.core.information('MAM not supported for %r' % tab.jid, 'Info')
-        return None
-    except (MAMQueryException, DiscoInfoException):
-        tab.core.information('An error occured when fetching MAM for %r' % tab.jid, 'Error')
-        return None
-    finally:
-        tab.query_status = False
-- 
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