Refactor with registry.

__init__.py

@@ -0,0 +1 @@
+from .koans import *

data/koans.sql

@@ -0,0 +1,20 @@
+BEGIN;
+-- Koan data {{{
+INSERT INTO version_history (component, from_version, to_version, author)
+  VALUES ('KOANS', 0, 1, 'Initial Creation');
+
+---- !koans lists koans. !koan gives a random koan. !koans add name ... !koans del name ...
+
+CREATE TABLE koans(
+  koanid INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+  communityid INTEGER NOT NULL REFERENCES communities ON UPDATE CASCADE ON DELETE CASCADE,
+  name TEXT NOT NULL,
+  message TEXT NOT NULL,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  _timestamp TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE TRIGGER koans_timestamp BEFORE UPDATE ON koans
+  FOR EACH ROW EXECUTE FUNCTION update_timestamp_column();
+
+-- }}}
+COMMIT;

koans/__init__.py

@@ -2,6 +2,4 @@ import logging
 
 logger = logging.getLogger(__name__)
 
-async def setup(bot):
+from .twitch import setup as twitch_setup
-    from .component import KoanComponent
-    await bot.add_component(KoanComponent(bot))

koans/data.py

@@ -0,0 +1,32 @@
+from data import Registry, RowModel
+from data.columns import String, Timestamp, Integer
+
+
+class Koan(RowModel):
+    """
+    Schema
+    ======
+    CREATE TABLE koans(
+      koanid INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+      communityid INTEGER NOT NULL REFERENCES communities ON UPDATE CASCADE ON DELETE CASCADE,
+      name TEXT NOT NULL,
+      message TEXT NOT NULL,
+      created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+      _timestamp TIMESTAMPTZ NOT NULL DEFAULT NOW()
+    );
+    """
+    _tablename_ = 'koans'
+    _cache_ = {}
+
+    koanid = Integer(primary=True)
+    communityid = Integer()
+    name = String()
+    message = String()
+    created_at = Timestamp()
+    _timestamp = Timestamp()
+
+
+class KoanData(Registry):
+    VERSION = ('KOANS', 1)
+
+    koans = Koan.table

koans/koans.py

@@ -0,0 +1,34 @@
+from typing import Optional
+from .data import Koan, KoanData
+
+
+class KoanRegistry:
+    def __init__(self, data: KoanData):
+        self.data = data 
+
+    async def init(self):
+        await self.data.init()
+
+    async def get_community_koans(self, communityid: int) -> list[Koan]:
+        return await Koan.fetch_where(communityid=communityid)
+
+    async def get_koan(self, koanid: int) -> Optional[Koan]:
+        return await Koan.fetch(koanid)
+
+    async def get_koan_named(self, communityid: int, name: str) -> Optional[Koan]:
+        name = name.lower()
+        koans = await Koan.fetch_where(communityid=communityid, name=name)
+        if koans:
+            return koans[0]
+        else:
+            return None
+
+    async def create_koan(self, communityid: int, name: str, message: str) -> Koan:
+        name = name.lower()
+        await Koan.table.delete_where(communityid=communityid, name=name)
+        koan = await Koan.create(
+            communityid=communityid,
+            name=name,
+            message=message
+        )
+        return koan

koans/twitch/__init__.py

@@ -0,0 +1,5 @@
+from .. import logger
+
+async def setup(bot):
+    from .component import KoanComponent
+    await bot.add_component(KoanComponent(bot))

koans/twitch/component.py

@@ -3,14 +3,23 @@ import random
 import twitchio
 from twitchio.ext import commands as cmds
 
-from datamodels import Koan, Communities
+from meta import Bot, Context
 
 from . import logger
+from ..koans import KoanRegistry
+from ..data import KoanData
 
 
 class KoanComponent(cmds.Component):
-    def __init__(self, bot):
+    def __init__(self, bot: Bot):
         self.bot = bot
+        self.data = bot.dbconn.load_registry(KoanData())
+        self.koans = KoanRegistry(self.data)
+
+    async def component_load(self):
+        await self.data.init()
+        await self.bot.version_check(*self.data.VERSION)
+        await self.koans.init()
 
     @cmds.Component.listener()
     async def event_message(self, payload: twitchio.ChatMessage) -> None:
@@ -23,10 +32,11 @@ class KoanComponent(cmds.Component):
 
         !koans
         """
-        community = await Communities.fetch_or_create(twitchid=ctx.channel.id, name=ctx.channel.name)
+        community = await self.bot.profiles.fetch_community(ctx.broadcaster)
         cid = community.communityid
 
-        koans = await Koan.fetch_where(communityid=cid)
+        koans = await self.koans.get_community_koans(cid)
+
         if koans:
             names = ', '.join(koan.name for koan in koans)
             await ctx.reply(
@@ -36,58 +46,40 @@ class KoanComponent(cmds.Component):
             await ctx.reply("No koans have been made in this channel!")
 
     @koans.command(name='add', aliases=['new', 'create'])
+    @cmds.is_moderator()
     async def koans_add(self, ctx: cmds.Context, name: str, *, text: str):
         """
         Add or overwrite a koan to this channel.
 
         !koans add wind This is a wind koan
         """
-        community = await Communities.fetch_or_create(twitchid=ctx.channel.id, name=ctx.channel.name)
+        community = await self.bot.profiles.fetch_community(ctx.broadcaster)
         cid = community.communityid
 
         name = name.lower()
+        existing = await self.koans.get_koan_named(cid, name)
+        await self.koans.create_koan(cid, name, text)
 
-        assert isinstance(ctx.author, twitchio.Chatter)
-        if (ctx.author.moderator or ctx.author.broadcaster):
-            # Delete the koan with this name if it exists
-            existing = await Koan.table.delete_where(
-                communityid=cid,
-                name=name,
-            )
-
-            # Insert the new koan 
-            await Koan.create(
-                communityid=cid,
-                name=name,
-                message=text
-            )
-
-            # Ack
         if existing:
             await ctx.reply(f"Updated the koan '{name}'")
         else:
             await ctx.reply(f"Created the new koan '{name}'")
 
     @koans.command(name='del', aliases=['delete', 'rm', 'remove'])
+    @cmds.is_moderator()
     async def koans_del(self, ctx: cmds.Context, name: str):
         """
         Remove a koan from this channel by name.
 
         !koans del wind
         """
-        community = await Communities.fetch_or_create(twitchid=ctx.channel.id, name=ctx.channel.name)
+        community = await self.bot.profiles.fetch_community(ctx.broadcaster)
         cid = community.communityid
 
         name = name.lower()
-
+        koan = await self.koans.get_koan_named(cid, name)
-        assert isinstance(ctx.author, twitchio.Chatter)
+        if koan:
-        if (ctx.author.moderator or ctx.author.broadcaster):
+            await koan.delete()
-            # Delete the koan with this name if it exists
-            existing = await Koan.table.delete_where(
-                communityid=cid,
-                name=name,
-            )
-            if existing:
             await ctx.reply(f"Deleted the koan '{name}'")
         else:
             await ctx.reply(f"The koan '{name}' does not exist to delete!")
@@ -100,22 +92,18 @@ class KoanComponent(cmds.Component):
         !koan
         !koan wind
         """
-        community = await Communities.fetch_or_create(twitchid=ctx.channel.id, name=ctx.channel.name)
+        community = await self.bot.profiles.fetch_community(ctx.broadcaster)
         cid = community.communityid
 
         if name is not None:
             name = name.lower()
-            koans = await Koan.fetch_where(
+            koan = await self.koans.get_koan_named(cid, name)
-                communityid=cid,
+            if koan:
-                name=name
-            )
-            if koans:
-                koan = koans[0]
                 await ctx.reply(koan.message)
             else:
                 await ctx.reply(f"The requested koan '{name}' does not exist! Use '{ctx.prefix}koans' to see all the koans.")
         else:
-            koans = await Koan.fetch_where(communityid=cid)
+            koans = await self.koan.get_community_koans(communityid=cid)
             if koans:
                 koan = random.choice(koans)
                 await ctx.reply(koan.message)