🚀 Initialize Musadaq SaaS: Full Backend + AI + React Dashboard + Docker Setup

backend/src/services/storage/local-storage.service.ts

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+/**
+ * ════════════════════════════════════════════════════════════
+ * مُصادَق (Musadaq) — Local Storage Service
+ * ════════════════════════════════════════════════════════════
+ */
+
+import { Injectable, InternalServerErrorException } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import * as fs from 'fs';
+import * as path from 'path';
+
+@Injectable()
+export class LocalStorageService {
+  private readonly storageRoot: string;
+
+  constructor(private configService: ConfigService) {
+    this.storageRoot = this.configService.get<string>('STORAGE_PATH', './uploads');
+    
+    // Ensure the root storage directory exists
+    if (!fs.existsSync(this.storageRoot)) {
+      fs.mkdirSync(this.storageRoot, { recursive: true });
+    }
+  }
+
+  /**
+   * حفظ ملف في التخزين المحلي
+   */
+  async saveFile(
+    tenantId: string,
+    companyId: string,
+    fileName: string,
+    buffer: Buffer,
+  ): Promise<string> {
+    try {
+      const now = new Date();
+      const relativePath = path.join(
+        tenantId,
+        companyId,
+        'invoices',
+        now.getFullYear().toString(),
+        (now.getMonth() + 1).toString(),
+      );
+
+      const fullPath = path.join(this.storageRoot, relativePath);
+
+      // Create directories if they don't exist
+      if (!fs.existsSync(fullPath)) {
+        fs.mkdirSync(fullPath, { recursive: true });
+      }
+
+      const filePath = path.join(fullPath, fileName);
+      fs.writeFileSync(filePath, buffer);
+
+      // Return the relative path to be stored in the database
+      return path.join(relativePath, fileName);
+    } catch (error) {
+      throw new InternalServerErrorException('File storage failed');
+    }
+  }
+
+  /**
+   * حذف ملف
+   */
+  async deleteFile(filePath: string): Promise<void> {
+    try {
+      const fullPath = path.join(this.storageRoot, filePath);
+      if (fs.existsSync(fullPath)) {
+        fs.unlinkSync(fullPath);
+      }
+    } catch (error) {
+      // Log error but don't fail the request
+    }
+  }
+}