using cp for plans

backend/src/services/SchedulingService.ts

@@ -0,0 +1,47 @@
+// src/services/schedulingService.ts
+import { Worker } from 'worker_threads';
+import path from 'path';
+import { Employee, ShiftPlan } from '../models/Employee.js';
+
+export interface ScheduleRequest {
+  shiftPlan: ShiftPlan;
+  employees: Employee[];
+  availabilities: Availability[];
+  constraints: Constraint[];
+}
+
+export interface ScheduleResult {
+  assignments: Assignment[];
+  violations: Violation[];
+  success: boolean;
+  resolutionReport: string[];
+  processingTime: number;
+}
+
+export class SchedulingService {
+  async generateOptimalSchedule(request: ScheduleRequest): Promise<ScheduleResult> {
+    return new Promise((resolve, reject) => {
+      const worker = new Worker(path.resolve(__dirname, '../workers/scheduler-worker.js'), {
+        workerData: request
+      });
+      
+      // Timeout nach 110 Sekunden
+      const timeout = setTimeout(() => {
+        worker.terminate();
+        reject(new Error('Scheduling timeout after 110 seconds'));
+      }, 110000);
+      
+      worker.on('message', (result: ScheduleResult) => {
+        clearTimeout(timeout);
+        resolve(result);
+      });
+      
+      worker.on('error', reject);
+      worker.on('exit', (code) => {
+        if (code !== 0) {
+          reject(new Error(`Worker stopped with exit code ${code}`));
+        }
+      });
+    });
+  }
+}