rewrite: Initial rewrite skeleton.

Remove modules that will no longer be required.
Move pending modules to pending-rewrite folders.

bot/pending-rewrite/core/module.py

@@ -0,0 +1,80 @@
+import logging
+import asyncio
+
+from meta import client, conf
+from settings import GuildSettings, UserSettings
+
+from LionModule import LionModule
+
+from .lion import Lion
+
+
+module = LionModule("Core")
+
+
+async def _lion_sync_loop():
+    while True:
+        while not client.is_ready():
+            await asyncio.sleep(1)
+
+        client.log(
+            "Running lion data sync.",
+            context="CORE",
+            level=logging.DEBUG,
+            post=False
+        )
+
+        Lion.sync()
+        await asyncio.sleep(conf.bot.getint("lion_sync_period"))
+
+
+@module.init_task
+def setting_initialisation(client):
+    """
+    Execute all Setting initialisation tasks from GuildSettings and UserSettings.
+    """
+    for setting in GuildSettings.settings.values():
+        setting.init_task(client)
+
+    for setting in UserSettings.settings.values():
+        setting.init_task(client)
+
+
+@module.launch_task
+async def preload_guild_configuration(client):
+    """
+    Loads the plain guild configuration for all guilds the client is part of into data.
+    """
+    guildids = [guild.id for guild in client.guilds]
+    if guildids:
+        rows = client.data.guild_config.fetch_rows_where(guildid=guildids)
+        client.log(
+            "Preloaded guild configuration for {} guilds.".format(len(rows)),
+            context="CORE_LOADING"
+        )
+
+
+@module.launch_task
+async def preload_studying_members(client):
+    """
+    Loads the member data for all members who are currently in voice channels.
+    """
+    userids = list(set(member.id for guild in client.guilds for ch in guild.voice_channels for member in ch.members))
+    if userids:
+        users = client.data.user_config.fetch_rows_where(userid=userids)
+        members = client.data.lions.fetch_rows_where(userid=userids)
+        client.log(
+            "Preloaded data for {} user with {} members.".format(len(users), len(members)),
+            context="CORE_LOADING"
+        )
+
+
+# Removing the sync loop in favour of the studybadge sync.
+# @module.launch_task
+# async def launch_lion_sync_loop(client):
+#     asyncio.create_task(_lion_sync_loop())
+
+
+@module.unload_task
+async def final_lion_sync(client):
+    Lion.sync()