NEW: MIH Calendar Provider Setup

Frontend/lib/mih_components/mih_providers/mih_calendar_provider.dart

@@ -1,7 +1,11 @@
 import 'package:flutter/foundation.dart';
+import 'package:mzansi_innovation_hub/mih_components/mih_objects/appointment.dart';
 
 class MihCalendarProvider extends ChangeNotifier {
   int toolIndex;
+  String selectedDay = DateTime.now().toString().split(" ")[0];
+  List<Appointment>? personalAppointments;
+  List<Appointment>? businessAppointments;
 
   MihCalendarProvider({
     this.toolIndex = 0,
@@ -11,4 +15,66 @@ class MihCalendarProvider extends ChangeNotifier {
     toolIndex = index;
     notifyListeners();
   }
+
+  void setSelectedDay(String day) {
+    selectedDay = day;
+    notifyListeners();
+  }
+
+  void resetSelectedDay() {
+    selectedDay = DateTime.now().toString().split(" ")[0];
+    notifyListeners();
+  }
+
+  void setPersonalAppointments({required List<Appointment> appointments}) {
+    personalAppointments = appointments;
+    notifyListeners();
+  }
+
+  void setBusinessAppointments({required List<Appointment> appointments}) {
+    businessAppointments = appointments;
+    notifyListeners();
+  }
+
+  void addPersonalAppointment({required Appointment newAppointment}) {
+    personalAppointments?.add(newAppointment);
+    notifyListeners();
+  }
+
+  void addBusinessAppointment({required Appointment newAppointment}) {
+    businessAppointments?.add(newAppointment);
+    notifyListeners();
+  }
+
+  void editPersonalAppointment({required Appointment updatedAppointment}) {
+    int index = personalAppointments?.indexWhere((appointment) =>
+            appointment.idappointments == updatedAppointment.idappointments) ??
+        -1;
+    if (index != -1) {
+      personalAppointments?[index] = updatedAppointment;
+      notifyListeners();
+    }
+  }
+
+  void editBusinessAppointment({required Appointment updatedAppointment}) {
+    int index = businessAppointments?.indexWhere((appointment) =>
+            appointment.idappointments == updatedAppointment.idappointments) ??
+        -1;
+    if (index != -1) {
+      businessAppointments?[index] = updatedAppointment;
+      notifyListeners();
+    }
+  }
+
+  void deletePersonalAppointment({required int appointmentId}) {
+    personalAppointments?.removeWhere(
+        (appointment) => appointment.idappointments == appointmentId);
+    notifyListeners();
+  }
+
+  void deleteBusinessAppointment({required int appointmentId}) {
+    businessAppointments?.removeWhere(
+        (appointment) => appointment.idappointments == appointmentId);
+    notifyListeners();
+  }
 }