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

backend/src/modules/users/user.service.ts

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+/**
+ * ════════════════════════════════════════════════════════════
+ * مُصادَق (Musadaq) — Users Service
+ * ════════════════════════════════════════════════════════════
+ */
+
+import { Injectable, NotFoundException, ConflictException } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import * as bcrypt from 'bcrypt';
+import { User } from './entities/user.entity';
+
+@Injectable()
+export class UsersService {
+  constructor(
+    @InjectRepository(User)
+    private userRepository: Repository<User>,
+  ) {}
+
+  /**
+   * إضافة مستخدم لمكتب محاسبة
+   */
+  async create(tenantId: string, dto: any): Promise<User> {
+    const existing = await this.userRepository.findOne({
+      where: { email: dto.email, tenant_id: tenantId },
+    });
+    
+    if (existing) {
+      throw new ConflictException('User with this email already exists in this office');
+    }
+
+    const passwordHash = await bcrypt.hash(dto.password, 12);
+    
+    const user = this.userRepository.create({
+      ...dto,
+      password_hash: passwordHash,
+      tenant_id: tenantId,
+    });
+
+    return this.userRepository.save(user);
+  }
+
+  /**
+   * قائمة مستخدمي المكتب
+   */
+  async findAll(tenantId: string): Promise<User[]> {
+    return this.userRepository.find({
+      where: { tenant_id: tenantId, is_active: true },
+      order: { created_at: 'ASC' },
+    });
+  }
+
+  /**
+   * تفاصيل مستخدم
+   */
+  async findOne(tenantId: string, id: string): Promise<User> {
+    const user = await this.userRepository.findOne({
+      where: { id, tenant_id: tenantId },
+    });
+    if (!user) throw new NotFoundException('User not found');
+    return user;
+  }
+
+  /**
+   * تعطيل مستخدم
+   */
+  async remove(tenantId: string, id: string): Promise<void> {
+    const user = await this.findOne(tenantId, id);
+    await this.userRepository.update(id, { is_active: false });
+  }
+}