Went back to using id's for deletion (for cleaner query params)

ref #13 #17

src/controllers/UserGroupController.ts

@@ -1,7 +1,7 @@
 import { Body, Delete, Get, JsonController, OnUndefined, Param, Post, Put } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { getConnectionManager, Repository } from 'typeorm';
-import { EntityFromBody, EntityFromParam } from 'typeorm-routing-controllers-extensions';
+import { EntityFromBody } from 'typeorm-routing-controllers-extensions';
 import { UserGroupIdsNotMatchingError, UserGroupNotFoundError } from '../errors/UserGroupErrors';
 import { CreateUserGroup } from '../models/actions/CreateUserGroup';
 import { UserGroup } from '../models/entities/UserGroup';
@@ -75,7 +75,8 @@ export class UserGroupController {
 	@ResponseSchema(ResponseEmpty, { statusCode: 204 })
 	@OnUndefined(204)
 	@OpenAPI({ description: 'Delete a specified usergroup (if it exists).' })
-	async remove(@EntityFromParam('id') group: UserGroup) {
+	async remove(@Param("id") id: number) {
+		let group = await this.userGroupsRepository.findOne({ id: id });
 		if (!group) {
 			return null;
 		}