transfer Ownership

src/command/userCommand.ts

@@ -15,6 +15,11 @@ export interface UpdateUserCommand {
   lastname: string;
 }
 
+export interface TransferUserOwnerCommand {
+  fromId: number;
+  toId: number;
+}
+
 export interface UpdateUserRolesCommand {
   id: number;
   roleIds: Array<number>;

src/command/userCommandHandler.ts

@@ -2,7 +2,13 @@ import { EntityManager } from "typeorm";
 import { dataSource } from "../data-source";
 import { user } from "../entity/user";
 import InternalException from "../exceptions/internalException";
-import { CreateUserCommand, DeleteUserCommand, UpdateUserCommand, UpdateUserRolesCommand } from "./userCommand";
+import {
+  CreateUserCommand,
+  DeleteUserCommand,
+  TransferUserOwnerCommand,
+  UpdateUserCommand,
+  UpdateUserRolesCommand,
+} from "./userCommand";
 import UserService from "../service/userService";
 
 export default abstract class UserCommandHandler {
@@ -90,6 +96,38 @@ export default abstract class UserCommandHandler {
     return await manager.createQueryBuilder().relation(user, "roles").of(userId).remove(roleId);
   }
 
+  /**
+   * @description transfer ownership
+   * @param TransferUserOwnerCommand
+   * @returns {Promise<void>}
+   */
+  static async transferOwnership(transferOwnership: TransferUserOwnerCommand): Promise<void> {
+    return await dataSource.manager
+      .transaction(async (manager) => {
+        manager
+          .createQueryBuilder()
+          .update(user)
+          .set({
+            isOwner: false,
+          })
+          .where("id = :id", { id: transferOwnership.fromId })
+          .execute();
+
+        manager
+          .createQueryBuilder()
+          .update(user)
+          .set({
+            isOwner: true,
+          })
+          .where("id = :id", { id: transferOwnership.toId })
+          .execute();
+      })
+      .then(() => {})
+      .catch((err) => {
+        throw new InternalException("Failed transfering ownership", err);
+      });
+  }
+
   /**
    * @description delete user
    * @param DeleteUserCommand