making main less complex

model/DataStore.py

@@ -1,5 +1,5 @@
 from pathlib import Path
-from .TimeSlot import TimeSlot
+from model.TimeSlot import TimeSlot
 import json
 
 
@@ -30,11 +30,9 @@ class DataStore:
 
     def add_time_slot(self, time_slot: TimeSlot):
         self._time_slots.append(time_slot)
-        self.write_update()
 
     def remove_time_slot(self, time_slot: TimeSlot):
         self._time_slots.remove(time_slot)
-        self.write_update()
 
-    def get_all_time_slots(self):
+    def get_all_time_slots(self) -> list[TimeSlot]:
         return self._time_slots[:]

model/TimeSlotContainer.py

@@ -0,0 +1,47 @@
+from datetime import date, datetime
+from model.DataStore import DataStore
+from model.TimeSlot import TimeSlot
+
+
+class TimeSlotContainer:
+
+    def __init__(self, ds: DataStore):
+        self._ds = ds
+
+    def get_open_time_slots(self) -> list[TimeSlot]:
+        return [ts for ts in self._ds.get_all_time_slots() if ts.end is None]
+
+    def get_all_time_slots(self) -> list[TimeSlot]:
+        return self._ds.get_all_time_slots()
+
+    def get_time_slots_by_date(self, d: date = datetime.now().date()):
+        return [ts for ts in self._ds.get_all_time_slots()
+                if ts.start.date() == datetime.now().date()]
+
+    def open_time_slot(self, name: str, start_dt: datetime = datetime.now()):
+        if len(self.get_open_time_slots()) > 0:
+            raise Exception("Ein event ist bereits aktiv.")
+        ts = TimeSlot(name)
+        ts.start = start_dt
+        self._ds.add_time_slot(ts)
+        self._ds.write_update()
+
+    def close_time_slot(self, end_dt: datetime = datetime.now()):
+        ts = self.get_open_time_slots()[0]
+        self._ds.remove_time_slot(ts)
+        ts.end = end_dt
+        self._ds.add_time_slot(ts)
+        self._ds.write_update()
+
+    def add_time_slot(self, name: str, start_dt: datetime, end_dt: datetime):
+        self.open_time_slot(name, start_dt)
+        self.close_time_slot(end_dt)
+
+    def update_time_slot(self, old: TimeSlot, new: TimeSlot):
+        raise NotImplementedError
+
+    def delete_time_slot(self, ts: TimeSlot):
+        raise NotImplementedError
+
+
+time_slot_container = TimeSlotContainer(DataStore("data.json"))