Добавил методы для работы со слотами по id

src/main.py

@@ -148,8 +148,8 @@ def create_calendar_slots(datetime_start: datetime, timezone: str, slot_length_m
     return events
 
 
-@app.post('/calendar_events/busy', response_model=List[CalendarEvent])
-def mark_busy_calendar_slot(
+@app.get('/calendar_events/free_slots', response_model=List[CalendarEvent])
+def get_free_calendar_slots(
         lower_bound: datetime = None,
         upper_bound: datetime = None,
         service: Resource = Depends(get_calendar_service)
@@ -188,6 +188,60 @@ def mark_busy_calendar_slot(
     return event
 
 
+@app.get('/calendar_events/{slot_id}', response_model=CalendarEvent)
+def get_slot_by_id(
+        slot_id: str,
+        service: Resource = Depends(get_calendar_service)
+):
+    event_dict = service.events().get(
+        calendarId=CALENDAR_ID,
+        eventId=slot_id
+    )
+    event = CalendarEvent(**event_dict)
+
+    if not event:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Slot not found")
+
+    if event.summary != TITLE_FREE:
+        raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail="Slot is busy")
+
+    return event
+
+
+@app.post('/calendar_events/{slot_id}/mark_busy', response_model=CalendarEvent)
+def mark_busy_calendar_slot_by_id(
+        slot_id: str,
+        description: str | None = None,
+        service: Resource = Depends(get_calendar_service)
+):
+    event = get_slot_by_id(slot_id=slot_id)
+
+    event.summary = TITLE_BUSY
+    event.colorId = COLOR_BUSY
+    if description:
+        event.description = description
+
+    service.events().update(calendarId=CALENDAR_ID, eventId=event.id, body=event.dict(exclude_unset=True)).execute()
+
+    return event
+
+
+@app.post('/calendar_events/{slot_id}/mark_free', response_model=CalendarEvent)
+def mark_free_calendar_slot_by_id(
+        slot_id: str,
+        service: Resource = Depends(get_calendar_service)
+):
+    event = get_slot_by_id(slot_id=slot_id)
+
+    event.summary = TITLE_FREE
+    event.colorId = COLOR_FREE
+    event.description = " "
+
+    service.events().update(calendarId=CALENDAR_ID, eventId=event.id, body=event.dict(exclude_unset=True)).execute()
+
+    return event
+
+
 @app.post('/calendar_events/mark_free', response_model=CalendarEvent)
 def mark_free_calendar_slot(
         lower_bound: datetime = None,