refactoring: custom views service.

fix: constraints of delete item from storage.
fix: constraints of delete item category from storage.
fix: localize database seeds files.
fix: view meta data in accounts list response.

server/src/api/controllers/Resources.ts

@@ -0,0 +1,44 @@
+import { Router, Request, Response, NextFunction } from 'express';
+import {
+  param,
+  query,
+} from 'express-validator';
+import asyncMiddleware from 'api/middleware/asyncMiddleware';
+import BaseController from './BaseController';
+import { Service } from 'typedi';
+import ResourceFieldsKeys from 'data/ResourceFieldsKeys';
+
+@Service()
+export default class ResourceController extends BaseController{
+  /**
+   * Router constructor.
+   */
+  router() {
+    const router = Router();
+
+    router.get('/:resource_model/fields',
+      this.resourceModelParamSchema,
+      asyncMiddleware(this.resourceFields.bind(this))
+    );
+    return router;
+  }
+
+  get resourceModelParamSchema() {
+    return [
+      param('resource_model').exists().trim().escape(),
+    ];
+  }
+
+  /**
+   * Retrieve resource fields of the given resource.
+   */
+  resourceFields(req: Request, res: Response, next: NextFunction) {
+    const { resource_model: resourceModel } = req.params;
+
+    try {
+
+    } catch (error) {
+      next(error);
+    }
+  }
+};