From 88569167e13951c29f87488269b42da90e99fd67 Mon Sep 17 00:00:00 2001
From: Someone <someone@somenet.org>
Date: Wed, 8 Dec 2021 19:38:38 +0100
Subject: [PATCH] [somebot] /join-active

---
 modules/CommandJoinActive.py | 89 ++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 modules/CommandJoinActive.py

diff --git a/modules/CommandJoinActive.py b/modules/CommandJoinActive.py
new file mode 100644
index 0000000..9b04fd7
--- /dev/null
+++ b/modules/CommandJoinActive.py
@@ -0,0 +1,89 @@
+# Mattermost Bot module.
+#  Copyright (c) 2016-2021 by Someone <someone@somenet.org> (aka. Jan Vales <jan@jvales.net>)
+#  published under MIT-License
+
+import datetime
+import threading
+from inspect import cleandoc
+
+from AbstractCommand import AbstractCommand
+class CommandJoinActive(AbstractCommand):
+    TRIGGER = "join-active"
+    CONFIG = {"display_name": "somebot-command", "auto_complete": True,
+              "auto_complete_hint": "[<weeks; default=2>]"
+             }
+    USEINFO = CONFIG["auto_complete_desc"] = CONFIG["description"] = "Join active public channels. active = '10 posts+ in the last x months'. There is no undo."
+
+
+    def __init__(self, team_id, skip_chann_ids):
+        super().__init__(team_id)
+
+        self.skip_chann_ids = skip_chann_ids
+        self.channel_index = None
+        self.channel_index_th = None
+
+
+    def on_register(self):
+        self._create_slash_command()
+        self.channel_index_th = threading.Timer(15.0, self._index_channels)
+        self.channel_index_th.setName("CommandJoinActive::_index_channels()")
+        self.channel_index_th.setDaemon(True)
+        self.channel_index_th.start()
+
+
+    def _index_channels(self):
+        if self.channel_index_th != threading.current_thread():
+            print("_index_channels(): thread mismatch")
+            return
+
+        print("_index_channels(): started")
+        new_dict = dict()
+        for c in self.bot.api.get_team_channels(self.TEAM_ID):
+            if c["id"] in self.skip_chann_ids:
+                continue
+
+            posts = []
+            for p in self.bot.api.get_posts_for_channel(c["id"]):
+                if p["type"] in ["", "slack_attachement"]:
+                    posts.append(p)
+
+                if len(posts) == 5:
+                    break
+
+            new_dict[c["id"]] = min([x["create_at"] for x in posts])
+
+        self.channel_index = new_dict
+        self.channel_index_th = threading.Timer(3600.0, self._index_channels)
+        self.channel_index_th.setName("CommandJoinActive::_index_channels()")
+        self.channel_index_th.setDaemon(True)
+        self.channel_index_th.start()
+        print("_index_channels(): done")
+
+
+    def on_POST(self, request, data):
+        if self.channel_index is None:
+            request.cmd_respond_text_temp("### ``Failed`` :(\nThe channel indexer didnt finish yet. try again in a few minutes")
+            return
+
+        try:
+            td = datetime.timedelta(weeks=int(data["text"].strip()))
+        except:
+            td = datetime.timedelta(weeks=2)
+
+        timestamp = int((datetime.datetime.now()-td).timestamp())*1000
+
+        msg = ""
+        for c in self.bot.api.get_team_channels(self.TEAM_ID):
+            #check against ban list and get the last 10 posts, if all of them are newer than min_timestamp: join
+            if not c["id"] in self.skip_chann_ids and self.channel_index[c["id"]] > timestamp:
+                self.bot.api.add_user_to_channel(c["id"], data["user_id"])
+                msg += "\n + ~"+c["name"]
+
+        request.cmd_respond_text_temp(cleandoc("""
+            ### ``Done`` :)
+            By default it wont join you into channels that had less than 5 messages posted within the last 2 weeks.
+            If you want to be joined into less active channels give the command an integer number of weeks to to consider.
+            /join-active 8 will join you into channels that had less than 5 messages posted within the last 2 months.
+            Anyway: joined the following active public channels in the team (A reload might be needed to display the updated list of channels):
+            {}
+            """).format(msg))
-- 
2.43.0