Issue #15: Create database middlewares

Signed-off-by: Matheus Horstmann <mch15@inf.ufpr.br>

CHANGELOG.md

@@ -5,6 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## 0.0.7 - 10-04-2019
+### Changed
+- main.ts to include dbHandler Middleware and remove dummie class
+### Added
+- Create dbHandler Middleware to be abble to access by routes #15 (Horstmann)
 ## 0.0.6 - 01-04-2019
 ### Changed
 - Input class to match with database model (Add id and description) (Horstmann)

package.json

 {
   "name": "form-creator-api",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "description": "RESTful API used to manage and answer forms.",
   "main": "index.js",
   "scripts": {

src/api/apiTypes.ts

@@ -20,7 +20,7 @@
  */
 
 import * as express from "express";
-import { Collection } from "../core/collection";
+import { DbHandler } from "../utils/dbHandler";
 
 /**
  * Extension of Express requests that suports the addition
@@ -31,8 +31,8 @@ import { Collection } from "../core/collection";
  * return a error the extension must be made.
  */
 export interface Request extends express.Request {
-    /** A collection object. Simulate a database. */
-    collection: Collection;
+    /** A Database handler instace */
+    db: DbHandler;
 }
 
 /**

src/api/middlewares/collection.ts → src/api/middlewares/dbHandler.ts

@@ -19,18 +19,20 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import { Collection } from "../../core/collection";
+import { configs } from "../../utils/config";
+import { DbHandler } from "../../utils/dbHandler";
 import { Middleware } from "../apiTypes";
 
 /**
  * Creates a engine and middleware that
- * inserts the collection into the request objects.
+ * inserts the handler into the request objects.
  */
-export function CollectionMw (): Middleware {
-    const collection: Collection = new Collection();
 
-    return function collectionMiddleware(req, res, next) {
-        req.collection = collection;
+export function DbHandlerMw (): Middleware {
+    const db: DbHandler = new DbHandler(configs.poolconfig);
+
+    return function dbHandlerMiddleware(req, res, next) {
+        req.db = db;
         next();
     };
 }

src/main.ts

@@ -36,7 +36,7 @@ const app = module.exports = express();
 const port = process.env.PORT;
 
 // Include middlewares
-import { CollectionMw } from "./api/middlewares/collection";
+import { DbHandlerMw } from "./api/middlewares/dbHandler";
 
 // Include controllers
 import { ItemCtrl } from "./api/controllers/item";