Reorganize for great victory and move to blob for payload hasg

app/repository/channels.py

@@ -0,0 +1,86 @@
+import time
+
+from app.database import db
+from app.models import Channel
+
+
+class ChannelRepository:
+    @staticmethod
+    async def upsert(key: str, name: str, is_hashtag: bool = False, on_radio: bool = False) -> None:
+        """Upsert a channel. Key is 32-char hex string."""
+        await db.conn.execute(
+            """
+            INSERT INTO channels (key, name, is_hashtag, on_radio)
+            VALUES (?, ?, ?, ?)
+            ON CONFLICT(key) DO UPDATE SET
+                name = excluded.name,
+                is_hashtag = excluded.is_hashtag,
+                on_radio = excluded.on_radio
+            """,
+            (key.upper(), name, is_hashtag, on_radio),
+        )
+        await db.conn.commit()
+
+    @staticmethod
+    async def get_by_key(key: str) -> Channel | None:
+        """Get a channel by its key (32-char hex string)."""
+        cursor = await db.conn.execute(
+            "SELECT key, name, is_hashtag, on_radio, last_read_at FROM channels WHERE key = ?",
+            (key.upper(),),
+        )
+        row = await cursor.fetchone()
+        if row:
+            return Channel(
+                key=row["key"],
+                name=row["name"],
+                is_hashtag=bool(row["is_hashtag"]),
+                on_radio=bool(row["on_radio"]),
+                last_read_at=row["last_read_at"],
+            )
+        return None
+
+    @staticmethod
+    async def get_all() -> list[Channel]:
+        cursor = await db.conn.execute(
+            "SELECT key, name, is_hashtag, on_radio, last_read_at FROM channels ORDER BY name"
+        )
+        rows = await cursor.fetchall()
+        return [
+            Channel(
+                key=row["key"],
+                name=row["name"],
+                is_hashtag=bool(row["is_hashtag"]),
+                on_radio=bool(row["on_radio"]),
+                last_read_at=row["last_read_at"],
+            )
+            for row in rows
+        ]
+
+    @staticmethod
+    async def delete(key: str) -> None:
+        """Delete a channel by key."""
+        await db.conn.execute(
+            "DELETE FROM channels WHERE key = ?",
+            (key.upper(),),
+        )
+        await db.conn.commit()
+
+    @staticmethod
+    async def update_last_read_at(key: str, timestamp: int | None = None) -> bool:
+        """Update the last_read_at timestamp for a channel.
+
+        Returns True if a row was updated, False if channel not found.
+        """
+        ts = timestamp if timestamp is not None else int(time.time())
+        cursor = await db.conn.execute(
+            "UPDATE channels SET last_read_at = ? WHERE key = ?",
+            (ts, key.upper()),
+        )
+        await db.conn.commit()
+        return cursor.rowcount > 0
+
+    @staticmethod
+    async def mark_all_read(timestamp: int) -> None:
+        """Mark all channels as read at the given timestamp."""
+        await db.conn.execute("UPDATE channels SET last_read_at = ?", (timestamp,))
+        await db.conn.commit()