issue #9: Create route to get form

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

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 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).
 
+## 0.0.9 - 10-04-2019
+### Added
+- Method read in Form controller to get a Form
 ## 0.0.8 - 10-04-2019
 ### Changed
 - main.ts to remove more dummie class

package.json

 {
   "name": "form-creator-api",
-  "version": "0.0.7",
+  "version": "0.0.9",
   "description": "RESTful API used to manage and answer forms.",
   "main": "index.js",
   "scripts": {

src/api/controllers/form.spec.ts

@@ -22,6 +22,8 @@
  import * as request from "supertest";
  import { expect } from "chai";
  import * as server from "../../main";
+ import { InputType, ValidationType } from "../../utils/enumHandler";
+
 
  describe("API data controller", () => {
 
@@ -48,4 +50,64 @@
            .end(done);
          });
 
+
+        it("should respond 200 when getting valid form", (done) => {
+             request(server)
+                 .get("/forms/1")
+                 .expect(200)
+                 .expect((res: any) => {
+                     expect(res.body).to.be.an("object");
+                     expect(res.body.id).to.be.equal(1);
+                     expect(res.body.title).to.be.equal("Form Title 1");
+                     expect(res.body.description).to.be.equal("Form Description 1");
+                     expect(res.body.inputs.length).to.be.equal(3);
+                     expect(res.body.inputs[0].id).to.be.equal(1);
+                     expect(res.body.inputs[0].placement).to.be.equal(0);
+                     expect(res.body.inputs[0].description).to.be.equal("Description Question 1 Form 1");
+                     expect(res.body.inputs[0].question).to.be.equal("Question 1 Form 1");
+                     expect(res.body.inputs[0].type).to.be.equal(InputType.TEXT);
+                     expect(res.body.inputs[0].validation.length).to.be.equal(0);
+
+                     expect(res.body.inputs[1].id).to.be.equal(3);
+                     expect(res.body.inputs[1].placement).to.be.equal(1);
+                     expect(res.body.inputs[1].description).to.be.equal("Description Question 2 Form 1");
+                     expect(res.body.inputs[1].question).to.be.equal("Question 2 Form 1");
+                     expect(res.body.inputs[1].type).to.be.equal(InputType.TEXT);
+                     expect(res.body.inputs[1].validation.length).to.be.equal(2);
+                     expect(res.body.inputs[1].validation[0].type).to.be.equal(ValidationType.MAXCHAR);
+                     expect(res.body.inputs[1].validation[0].arguments.length).to.be.equal(1);
+                     expect(res.body.inputs[1].validation[0].arguments[0]).to.be.equal("10");
+                     expect(res.body.inputs[1].validation[1].type).to.be.equal(ValidationType.MINCHAR);
+                     expect(res.body.inputs[1].validation[1].arguments.length).to.be.equal(1);
+                     expect(res.body.inputs[1].validation[1].arguments[0]).to.be.equal("2");
+
+                     expect(res.body.inputs[2].id).to.be.equal(2);
+                     expect(res.body.inputs[2].placement).to.be.equal(2);
+                     expect(res.body.inputs[2].description).to.be.equal("Description Question 3 Form 1");
+                     expect(res.body.inputs[2].question).to.be.equal("Question 3 Form 1");
+                     expect(res.body.inputs[2].type).to.be.equal(InputType.TEXT);
+                     expect(res.body.inputs[2].validation.length).to.be.equal(2);
+                     expect(res.body.inputs[2].validation[0].type).to.be.equal(ValidationType.REGEX);
+                     expect(res.body.inputs[2].validation[0].arguments.length).to.be.equal(1);
+                     expect(res.body.inputs[2].validation[0].arguments[0]).to.be.equal("\\d{5}-\\d{3}");
+                     expect(res.body.inputs[2].validation[1].type).to.be.equal(ValidationType.MANDATORY);
+                     expect(res.body.inputs[2].validation[1].arguments.length).to.be.equal(0);
+                 })
+                 .end(done);
+        });
+
+        it("should respond 500 when getting inexistent item", (done) => {
+             request(server)
+                 .get("/forms/10")
+                 .expect(500)
+                 .expect((res: any) => {
+                     const message = "Form with id: '10' not found. Some error has occurred. Check error property for details.";
+
+                     expect(res.body).to.be.an("object");
+                     expect(res.body).to.have.property("error");
+                     expect(res.body.message).to.be.equal(message);
+                 })
+                 .end(done);
+        });
+
  });

src/api/controllers/form.ts

@@ -49,4 +49,21 @@ export class FormCtrl {
 
     }
 
+    public static read(req: Request, res: Response, next: NextFunction) {
+        req.db.readForm(req.params.id, (err: Error, form?: Form) => {
+            if (err){
+                res.status(500).json({
+                    message: "Form with id: '"  + req.params.id + "' not found. Some error has occurred. Check error property for details.",
+                    error: err
+                });
+                return;
+            }
+            if (form) {
+                res.json(form);
+                return;
+            }
+        });
+
+    }
+
 }

src/main.ts

@@ -48,6 +48,7 @@ app.use("/", DbHandlerMw());
 // Setup routes
 
 app.get("/forms/", FormCtrl.list);
+app.get("/forms/:id", FormCtrl.read);
 
 
 // Listening