feat(schedule): update view

gallery/sketch/schedule/api.py

@@ -1,3 +1,4 @@
+import asyncio
 import datetime
 
 from ..api import Api
@@ -5,6 +6,8 @@ from .model import ChannelId, Schedule
 
 
 class ScheduleApi(Api):
+    INTERVAL: float = 0.5
+
     async def get_channels(self) -> list[ChannelId]:
         raise NotImplementedError
 
@@ -12,3 +15,14 @@ class ScheduleApi(Api):
         self, channel_id: ChannelId, 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