Get all pagination for permissions

ref #205

src/controllers/PermissionController.ts

@@ -1,6 +1,6 @@
 import { Authorized, Body, Delete, Get, JsonController, OnUndefined, Param, Post, Put, QueryParam } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
-import { getConnectionManager, Repository } from 'typeorm';
+import { Repository, getConnectionManager } from 'typeorm';
 import { PermissionIdsNotMatchingError, PermissionNeedsPrincipalError, PermissionNotFoundError } from '../errors/PermissionErrors';
 import { PrincipalNotFoundError } from '../errors/PrincipalErrors';
 import { CreatePermission } from '../models/actions/create/CreatePermission';
@@ -27,9 +27,16 @@ export class PermissionController {
     @Authorized("PERMISSION:GET")
     @ResponseSchema(ResponsePermission, { isArray: true })
     @OpenAPI({ description: 'Lists all permissions for all users and groups.' })
-    async getAll() {
+    async getAll(@QueryParam("page", { required: false }) page: number, @QueryParam("page_size", { required: false }) page_size: number = 100) {
         let responsePermissions: ResponsePermission[] = new Array<ResponsePermission>();
-        const permissions = await this.permissionRepository.find({ relations: ['principal'] });
+        let permissions: Array<Permission>;
+
+        if (page) {
+            permissions = await this.permissionRepository.find({ relations: ['principal'], skip: page * page_size, take: page_size });
+        } else {
+            permissions = await this.permissionRepository.find({ relations: ['principal'] });
+        }
+
         permissions.forEach(permission => {
             responsePermissions.push(new ResponsePermission(permission));
         });