folder structure

src/service/user/rolePermissionService.ts

@@ -0,0 +1,44 @@
+import { dataSource } from "../../data-source";
+import { rolePermission } from "../../entity/user/role_permission";
+import { userPermission } from "../../entity/user/user_permission";
+import InternalException from "../../exceptions/internalException";
+
+export default abstract class RolePermissionService {
+  /**
+   * @description get permission by role
+   * @param roleId number
+   * @returns {Promise<Array<rolePermission>>}
+   */
+  static async getByRole(roleId: number): Promise<Array<rolePermission>> {
+    return await dataSource
+      .getRepository(rolePermission)
+      .createQueryBuilder("permission")
+      .where("permission.roleId = :roleId", { roleId: roleId })
+      .getMany()
+      .then((res) => {
+        return res;
+      })
+      .catch((err) => {
+        throw new InternalException("permissions not found by role", err);
+      });
+  }
+
+  /**
+   * @description get permission by roles
+   * @param roleIds Array<number>
+   * @returns {Promise<Array<rolePermission>>}
+   */
+  static async getByRoles(roleIds: Array<number>): Promise<Array<rolePermission>> {
+    return await dataSource
+      .getRepository(rolePermission)
+      .createQueryBuilder("permission")
+      .where("permission.roleId IN (:...roleIds)", { roleIds: roleIds })
+      .getMany()
+      .then((res) => {
+        return res;
+      })
+      .catch((err) => {
+        throw new InternalException("permissions not found by roles", err);
+      });
+  }
+}