feat(api): add schedule groups api

gallery/easel/route/api/schedule.py

@@ -1,7 +1,11 @@
 from fastapi import APIRouter
 
 from gallery.easel.core import AppRequest
-from gallery.easel.depends.schedule import ScheduleApiDepends
+from gallery.easel.depends.schedule import (
+    GROUP_CANNELS_MAP,
+    ScheduleApiDepends,
+    ScheduleGroupChannelsDepends,
+)
 from gallery.sketch.schedule.api import ScheduleApi
 from gallery.sketch.schedule.model import Channel, Schedule
 
@@ -10,6 +14,19 @@ from ...depends.date import DateDepends
 router = APIRouter(prefix="/schedule", tags=["Schedule"])
 
 
+@router.get("/groups")
+async def get_api_schedule_groups():
+    return list(GROUP_CANNELS_MAP.keys())
+
+
+@router.get("/group/{group_id}/{date}")
+async def get_api_schedule_group_schedule(
+    request: AppRequest, channels: ScheduleGroupChannelsDepends, date: DateDepends
+) -> list[Schedule]:
+    api = request.app.state.api
+    return [await api.get_api(ScheduleApi, channel.provider).get_schedule(channel.id, date) for channel in channels]
+
+
 @router.get("/providers")
 async def get_api_weather_providers(request: AppRequest) -> list[str]:
     return request.app.state.api.get_api_providers(ScheduleApi)