From d909adcb5cdb18a85b7042794c8f6ca1aed52d77 Mon Sep 17 00:00:00 2001
From: Madhur Garg <madhurgarg96@gmail.com>
Date: Sun, 23 Jun 2019 05:23:18 +0530
Subject: Client to fetch an archive of messages and add them in the current
 window

---
 poezio/mam.py | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 poezio/mam.py

(limited to 'poezio/mam.py')

diff --git a/poezio/mam.py b/poezio/mam.py
new file mode 100644
index 00000000..6fc9f8e1
--- /dev/null
+++ b/poezio/mam.py
@@ -0,0 +1,73 @@
+#!/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 getpass import getpass
+from argparse import ArgumentParser
+
+import slixmpp
+from datetime import datetime, timezone
+from poezio.theming import get_theme
+from slixmpp.exceptions import XMPPError
+from poezio.text_buffer import Message, TextBuffer
+
+
+def add_line(text_buffer: TextBuffer, text: str, str_time: str, nick: str):
+    """Adds a textual entry in the TextBuffer"""
+
+    time = datetime.strftime(str_time, '%Y-%m-%d %H:%M:%S')
+    time = datetime.strptime(time, '%Y-%m-%d %H:%M:%S')
+    time = time.replace(tzinfo=timezone.utc).astimezone(tz=None)
+    nick = nick.split('/')[1]
+    color = get_theme().COLOR_OWN_NICK
+    text_buffer.add_message(
+        text,
+        time,
+        nick,
+        color,
+        True,  # History
+        None,  # User
+        False,  # Highlight
+        None,  # Identifier
+        None,  # str_time
+        None,  # Jid
+    )
+
+
+class MAM(slixmpp.ClientXMPP):
+    """
+    A basic client fetching mam archive messages
+    """
+
+    def __init__(self, jid, password, remote_jid, start, end, tab):
+        slixmpp.ClientXMPP.__init__(self, jid, password)
+        self.remote_jid = remote_jid
+        self.start_date = start
+        self.end_date = end
+        self.tab = tab
+
+        self.add_event_handler("session_start", self.start)
+
+    async def start(self, *args):
+        """
+        Fetches mam results for the specified JID.
+        """
+
+        text_buffer = self.tab._text_buffer
+
+        results = self.plugin['xep_0313'].retrieve(jid=self.remote_jid,
+        iterator=True, start=self.start_date, end=self.end_date)
+        async for rsm in results:
+            for msg in rsm['mam']['results']:
+                forwarded = msg['mam_result']['forwarded']
+                timestamp = forwarded['delay']['stamp']
+                message = forwarded['stanza']
+                add_line(text_buffer, '%s' % message['body'], timestamp, str(message['from']))
+
+        self.tab.text_win.pos = 0
+        self.tab.core.refresh_window()
+        self.disconnect()
-- 
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