first feasability of event management feature

dashboard/callbacks/appointments_callbacks.py

@@ -2,9 +2,13 @@
 import requests
 import json
 from flask import session
-from dash import Input, Output, State, callback, ctx, dash
+from dash import Input, Output, State, callback, ctx, dash, no_update
 import os
 import sys
+from datetime import datetime, timedelta
+
+# --- Modalbox öffnen: jetzt auch auf Kalenderklick reagieren ---
+
 sys.path.append('/workspace')
 
 print("appointments_callbacks.py geladen")
@@ -69,19 +73,86 @@ def load_events(view_dates):
 
 
 @callback(
-    Output("appointment-modal", "opened"),
     [
+        Output("appointment-modal", "opened"),
+        Output("start-date-input", "value", allow_duplicate=True),
+        Output("time-start", "value", allow_duplicate=True),
+        Output("time-end", "value", allow_duplicate=True),
+    ],
+    [
+        Input("calendar", "lastDateClick"),
+        Input("calendar", "lastSelect"),
         Input("open-appointment-modal-btn", "n_clicks"),
-        Input("close-appointment-modal-btn", "n_clicks")
+        Input("close-appointment-modal-btn", "n_clicks"),
     ],
     State("appointment-modal", "opened"),
     prevent_initial_call=True
 )
-def toggle_appointment_modal(open_click, close_click, is_open):
-    from dash import ctx
+def open_modal(date_click, select, open_click, close_click, is_open):
     trigger = ctx.triggered_id
+
+    # Bereichsauswahl (lastSelect)
+    if trigger == "calendar" and select:
+        try:
+            start_dt = datetime.fromisoformat(select["start"])
+            end_dt = datetime.fromisoformat(select["end"])
+
+            return (
+                True,
+                start_dt.date().isoformat(),
+                start_dt.strftime("%H:%M"),
+                end_dt.strftime("%H:%M"),
+            )
+        except Exception as e:
+            print("Fehler beim Parsen von select:", e)
+            return no_update, no_update, no_update, no_update
+
+    # Einzelklick (lastDateClick)
+    if trigger == "calendar" and date_click:
+        try:
+            dt = datetime.fromisoformat(date_click)
+            # Versuche, die Slotlänge aus dem Kalender zu übernehmen (optional)
+            # Hier als Beispiel 30 Minuten aufaddieren, falls keine Endzeit vorhanden
+            end_dt = dt + timedelta(minutes=30)
+            return (
+                True,
+                dt.date().isoformat(),
+                dt.strftime("%H:%M"),
+                end_dt.strftime("%H:%M"),
+            )
+        except Exception as e:
+            print("Fehler beim Parsen von date_click:", e)
+            return no_update, no_update, no_update, no_update
+
+    # Modal öffnen per Button
     if trigger == "open-appointment-modal-btn" and open_click:
-        return True
+        now = datetime.now()
+        end_dt = now + timedelta(minutes=30)
+        return True, now.date().isoformat(), now.strftime("%H:%M"), end_dt.strftime("%H:%M")
+
+    # Modal schließen
     if trigger == "close-appointment-modal-btn" and close_click:
-        return False
-    return is_open
+        return False, no_update, no_update, no_update
+
+    return is_open, no_update, no_update, no_update
+
+
+# @callback(
+#     Output("time-end", "value", allow_duplicate=True),
+#     Input("time-start", "value"),
+#     prevent_initial_call=True
+# )
+# def handle_end_time(start_time, duration="00:30"):
+#     trigger = ctx.triggered_id
+#     if trigger == "time-start" and start_time and duration:
+#         try:
+#             # Beispiel für start_time: "09:00"
+#             start_dt = datetime.strptime(start_time, "%H:%M")
+#             # Dauer in Stunden und Minuten, z.B. "01:30"
+#             hours, minutes = map(int, duration.split(":"))
+#             # Endzeit berechnen: Dauer addieren!
+#             end_dt = start_dt + timedelta(hours=hours, minutes=minutes)
+#             return end_dt.strftime("%H:%M")
+#         except Exception as e:
+#             print("Fehler bei der Berechnung der Endzeit:", e)
+#     return no_update