setup and invite

src/service/userService.ts

@@ -41,4 +41,44 @@ export default abstract class UserService {
         throw new InternalException("user not found by username");
       });
   }
+
+  /**
+   * @description get users by mail or username
+   * @param username string
+   * @param mail string
+   * @returns {Promise<Array<user>>}
+   */
+  static async getByMailOrUsername(mail?: string, username?: string): Promise<Array<user>> {
+    return await dataSource
+      .getRepository(user)
+      .createQueryBuilder("user")
+      .select()
+      .where("user.mail = :mail", { mail: mail })
+      .orWhere("user.username = :username", { username: username })
+      .getMany()
+      .then((res) => {
+        return res;
+      })
+      .catch((err) => {
+        throw new InternalException("user not found by mail or username");
+      });
+  }
+
+  /**
+   * @description get count of users
+   * @returns {Promise<number>}
+   */
+  static async count(): Promise<number> {
+    return await dataSource
+      .getRepository(user)
+      .createQueryBuilder("user")
+      .select()
+      .getCount()
+      .then((res) => {
+        return res;
+      })
+      .catch((err) => {
+        throw new InternalException("could not count users");
+      });
+  }
 }