add server to monorepo.

packages/server/src/api/controllers/BaseController.ts

@@ -0,0 +1,140 @@
+import { Response, Request, NextFunction } from 'express';
+import { matchedData, validationResult } from 'express-validator';
+import accepts from 'accepts';
+import { isArray, drop, first, camelCase, snakeCase, omit, set, get } from 'lodash';
+import { mapKeysDeep } from 'utils';
+import asyncMiddleware from '@/api/middleware/asyncMiddleware';
+
+export default class BaseController {
+  /**
+   * Converts plain object keys to cameCase style.
+   * @param {Object} data
+   */
+  protected dataToCamelCase(data) {
+    return mapKeysDeep(data, (v, k) => camelCase(k));
+  }
+
+  /**
+   * Matches the body data from validation schema.
+   * @param {Request} req
+   * @param options
+   */
+  protected matchedBodyData(req: Request, options: any = {}) {
+    const data = matchedData(req, {
+      locations: ['body'],
+      includeOptionals: true,
+      ...omit(options, ['locations']), // override any propery except locations.
+    });
+    return this.dataToCamelCase(data);
+  }
+
+  /**
+   * Matches the query data from validation schema.
+   * @param {Request} req
+   */
+  protected matchedQueryData(req: Request) {
+    const data = matchedData(req, {
+      locations: ['query'],
+    });
+    return this.dataToCamelCase(data);
+  }
+
+  /**
+   * Validate validation schema middleware.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  protected validationResult(req: Request, res: Response, next: NextFunction) {
+    const validationErrors = validationResult(req);
+
+    if (!validationErrors.isEmpty()) {
+      return res.boom.badData(null, {
+        code: 'validation_error',
+        ...validationErrors,
+      });
+    }
+    next();
+  }
+
+  /**
+   * Sets localization to response object by the given path.
+   * @param {Response} response - 
+   * @param {string} path - 
+   * @param {Request} req - 
+   */
+  private setLocalizationByPath(
+    response: any,
+    path: string,
+    req: Request,
+  ) {
+    const DOT = '.';
+
+    if (isArray(response)) {
+      response.forEach((va) => {
+        const currentPath = first(path.split(DOT));
+        const value = get(va, currentPath);
+
+        if (isArray(value)) {
+          const nextPath = drop(path.split(DOT)).join(DOT);
+          this.setLocalizationByPath(value, nextPath, req);
+        } else {
+          set(va, path, req.__(value));
+        }
+      })
+    } else {
+      const value = get(response, path);
+      set(response, path, req.__(value));
+    }
+  }
+
+  /**
+   * Transform the given data to response.
+   * @param {any} data
+   */
+  protected transfromToResponse(
+    data: any,
+    translatable?: string | string[],
+    req?: Request
+  ) {
+    const response = mapKeysDeep(data, (v, k) => snakeCase(k));
+
+    if (translatable) {
+      const translatables = Array.isArray(translatable)
+        ? translatable
+        : [translatable];
+
+      translatables.forEach((path) => {
+        this.setLocalizationByPath(response, path, req);
+      });
+    }
+    return response;
+  }
+
+  /**
+   * Async middleware.
+   * @param {function} callback
+   */
+  protected asyncMiddleware(callback) {
+    return asyncMiddleware(callback);
+  }
+
+  /**
+   *
+   * @param {Request} req
+   * @returns
+   */
+  protected accepts(req) {
+    return accepts(req);
+  }
+
+  /**
+   * 
+   * @param {Request} req 
+   * @param {string[]} types 
+   * @returns {string}
+   */
+  protected acceptTypes(req: Request, types: string[])  {
+    return this.accepts(req).types(types);
+  }
+}