feat: add auth server package

packages/auth/src/Infra/MySQL/MySQLRoleRepository.ts

@@ -0,0 +1,30 @@
+import { inject, injectable } from 'inversify'
+import { Repository } from 'typeorm'
+
+import TYPES from '../../Bootstrap/Types'
+import { Role } from '../../Domain/Role/Role'
+import { RoleRepositoryInterface } from '../../Domain/Role/RoleRepositoryInterface'
+
+@injectable()
+export class MySQLRoleRepository implements RoleRepositoryInterface {
+  constructor(
+    @inject(TYPES.ORMRoleRepository)
+    private ormRepository: Repository<Role>,
+  ) {}
+
+  async findOneByName(name: string): Promise<Role | null> {
+    const roles = await this.ormRepository
+      .createQueryBuilder('role')
+      .where('role.name = :name', { name })
+      .orderBy('version', 'DESC')
+      .cache(`role_${name}`, 600000)
+      .take(1)
+      .getMany()
+
+    if (roles.length === 0) {
+      return null
+    }
+
+    return roles.shift() as Role
+  }
+}