seperated files for scheduling logic

frontend/src/services/scheduling/dataAdapter.ts

@@ -0,0 +1,84 @@
+// frontend/src/services/scheduling/dataAdapter.ts
+import { Employee, EmployeeAvailability } from '../../models/Employee';
+import { ScheduledShift } from '../../models/ShiftPlan';
+import { SchedulingEmployee, SchedulingShift } from './types';
+
+export function transformToSchedulingData(
+  employees: Employee[],
+  scheduledShifts: ScheduledShift[],
+  availabilities: EmployeeAvailability[]
+): {
+  schedulingEmployees: SchedulingEmployee[];
+  schedulingShifts: SchedulingShift[];
+  managerShifts: string[];
+} {
+  
+  // Create employee availability map
+  const availabilityMap = new Map<string, Map<string, number>>();
+  
+  availabilities.forEach(avail => {
+    if (!availabilityMap.has(avail.employeeId)) {
+      availabilityMap.set(avail.employeeId, new Map());
+    }
+    
+    // Create a unique key for each shift pattern (dayOfWeek + timeSlotId)
+    const shiftKey = `${avail.dayOfWeek}-${avail.timeSlotId}`;
+    availabilityMap.get(avail.employeeId)!.set(shiftKey, avail.preferenceLevel);
+  });
+
+  // Transform employees
+  const schedulingEmployees: SchedulingEmployee[] = employees.map(emp => {
+    // Map roles
+    let role: 'manager' | 'erfahren' | 'neu';
+    if (emp.role === 'admin') role = 'manager';
+    else if (emp.employeeType === 'experienced') role = 'erfahren';
+    else role = 'neu';
+
+    // Map contract
+    const contract = emp.contractType === 'small' ? 1 : 2;
+
+    return {
+      id: emp.id,
+      name: emp.name,
+      role,
+      contract,
+      availability: availabilityMap.get(emp.id) || new Map(),
+      assignedCount: 0,
+      originalData: emp
+    };
+  });
+
+  // Transform shifts and identify manager shifts
+  const schedulingShifts: SchedulingShift[] = scheduledShifts.map(scheduledShift => ({
+    id: scheduledShift.id,
+    requiredEmployees: scheduledShift.requiredEmployees,
+    originalData: scheduledShift
+  }));
+
+  // Identify manager shifts (shifts where manager has availability 1 or 2)
+  const manager = schedulingEmployees.find(emp => emp.role === 'manager');
+  const managerShifts: string[] = [];
+  
+  if (manager) {
+    scheduledShifts.forEach(scheduledShift => {
+      const dayOfWeek = getDayOfWeek(scheduledShift.date);
+      const shiftKey = `${dayOfWeek}-${scheduledShift.timeSlotId}`;
+      const preference = manager.availability.get(shiftKey);
+      
+      if (preference === 1 || preference === 2) {
+        managerShifts.push(scheduledShift.id);
+      }
+    });
+  }
+
+  return {
+    schedulingEmployees,
+    schedulingShifts,
+    managerShifts
+  };
+}
+
+function getDayOfWeek(dateString: string): number {
+  const date = new Date(dateString);
+  return date.getDay() === 0 ? 7 : date.getDay();
+}