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apps/backend/src/users/repositories/users.repository.ts

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+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { EntityManager, Repository } from 'typeorm';
+import { UserEntity } from '../entities/user.entity';
+
+@Injectable()
+export class UsersRepository {
+  constructor(
+    @InjectRepository(UserEntity) private readonly repo: Repository<UserEntity>,
+  ) {}
+
+  findById(id: string): Promise<UserEntity | null> {
+    return this.repo.findOne({ where: { id } });
+  }
+
+  findByIdentity(issuer: string, subject: string): Promise<UserEntity | null> {
+    return this.repo.findOne({ where: { issuer, subject } });
+  }
+
+  async search(
+    query: string | undefined,
+    page: number,
+    pageSize: number,
+  ): Promise<[UserEntity[], number]> {
+    const qb = this.repo
+      .createQueryBuilder('user')
+      .leftJoinAndSelect('user.roles', 'role');
+    if (query) {
+      qb.where('user.name LIKE :query OR user.email LIKE :query', {
+        query: `%${query}%`,
+      });
+    }
+    return qb
+      .orderBy('user.createdAt', 'DESC')
+      .skip((page - 1) * pageSize)
+      .take(pageSize)
+      .getManyAndCount();
+  }
+
+  async save(user: UserEntity, manager?: EntityManager): Promise<UserEntity> {
+    return (manager?.getRepository(UserEntity) ?? this.repo).save(user);
+  }
+}