feat(schedule): implement multiple schedule providers

gallery/sketch/schedule/api.py

@@ -1,25 +1,15 @@
-import asyncio
 import datetime
 
 from ..api import Api
-from .model import ChannelId, Schedule
+from .model import Channel, Schedule
 
 
 class ScheduleApi(Api):
     TYPE = "schedule"
     INTERVAL: float = 0.5
 
-    async def get_channels(self) -> list[ChannelId]:
+    async def find_channels(self, query: str) -> list[Channel]:
         raise NotImplementedError
 
-    async def get_channel_schedule(self, channel_id: ChannelId, date: datetime.date) -> Schedule:
+    async def get_schedule(self, channel_id: str, date: datetime.date) -> Schedule:
         raise NotImplementedError
-
-    async def get_all_schedules(self, date: datetime.date) -> list[Schedule]:
-        channels = await self.get_channels()
-        results = []
-        for channel in channels:
-            results.append(await self.get_channel_schedule(channel_id=channel, date=date))
-            if self.INTERVAL > 0:
-                await asyncio.sleep(self.INTERVAL)
-        return results