work on new async sqlite3 statistics database

bot/stats.py

@@ -0,0 +1,38 @@
+import asyncio
+import logging
+import sqlite3
+
+import aiosqlite
+
+from bot import constants
+
+logger = logging.getLogger(__file__)
+logger.setLevel(constants.LOGGING_LEVEL)
+
+
+class StatsHandler(object):
+    def __init__(self, db: aiosqlite.Connection) -> None:
+        self.db = db
+
+    @classmethod
+    async def create(cls) -> 'StatsHandler':
+        """Factory method for creating StatsHandler objects."""
+        db = await aiosqlite.connect(constants.DATABASE, detect_types=sqlite3.PARSE_DECLTYPES)
+        stats = StatsHandler(db)
+        # await stats.construct()
+        await db.commit()
+        return stats
+
+    async def construct(self) -> None:
+        """Construct the database."""
+        await self.db.execute('''CREATE TABLE IF NOT EXISTS change
+                                (id INTEGER PRIMARY KEY,    
+                                self BOO
+                                ''')
+
+    async def record_change(self) -> None:
+        pass
+
+aiosqlite.register_adapter(bool, int)
+aiosqlite.register_converter("BOOLEAN", lambda v: bool(int(v)))
+asyncio.run(StatsHandler.create())