Update packages version

Add first test
Add design pattern builder + Youtube builder

package.json

@@ -16,14 +16,15 @@
     "discord.js": "^12.0.1",
     "fs-extra": "^9.0.0",
     "jsonfile": "^6.0.1",
-    "lodash": "^4.17.15",
-    "pm2": "^4.2.3",
+    "lodash": "^4.17.20",
+    "pm2": "^4.5.1",
     "rss-parser": "^3.7.5"
   },
   "devDependencies": {
     "chai": "^4.2.0",
     "mocha": "^8.2.1",
     "proxyquire": "^2.1.3",
-    "sinon": "^9.2.2"
+    "sinon": "^9.2.2",
+    "sinon-chai": "^3.5.0"
   }
 }

src/Models/Builders/AbstractListenerRSSBuilder.js

@@ -0,0 +1,47 @@
+const ListenerRSS = require('../listener-rss');
+
+class AbstractListnerRSSBuilder {
+    _listenerRSS = undefined;
+
+    constructor() {
+        if(this.constructor === AbstractListnerRSSBuilder)
+            throw new Error('The Abstract class "AbstractListnerRSSBuilder" cannot be instantiated');
+    }
+
+    /**
+     * @brief first function to call after constructor. It's building the listener
+     * @param infos Must to be an object ListenerRSSInfos
+     */
+    constructListener(infos) {
+        this._listenerRSS = new ListenerRSS();
+
+        this.setInfos(infos);
+        this.setSpecificInfos();
+    }
+
+    /**
+     * @brief give the listener just build
+     * @return ListenerRSS with all the setups datas
+     * @exception if the listener isn't construct
+     */
+    get listenerRSS() {
+        if(this._listenerRSS === undefined)
+            throw new Error('the listener is not yet build');
+        return this._listenerRSS;
+    }
+
+    setInfos(infos) { // Nominal Infos (like name, addresse, and other)
+        this._listenerRSS.name = infos._name;
+        this._listenerRSS.address = infos._address;
+        this._listenerRSS.timeloop = infos._timeloop;
+        this._listenerRSS.name = infos._name;
+    }
+
+    setSpecificInfos() { // More generic infos who's depend of platforms
+        throw new Error('This function is not implemented');
+    }
+
+
+}
+
+module.exports = AbstractListnerRSSBuilder

src/Models/Builders/YoutubeListenerRSSBuilder.js

@@ -0,0 +1,16 @@
+const AbstractListenerRSSBuilder = require('AbstractListenerRSSBuilder')
+
+class YoutubeListenerRSSBuilder extends AbstractListenerRSSBuilder {
+    constructor() {
+        super();
+    }
+
+    setSpecificInfos() {
+        this.listenerRSS._customfields = [
+            ['description', ['media:group', 'media:description']],
+            ['icon', ['media:group', 'media:thumbnail']]
+        ]
+    }
+}
+
+module.exports = YoutubeListenerRSSBuilder

src/Models/listenerRSSInfos.js

@@ -0,0 +1,42 @@
+class ListenerRSSInfos {
+    _name = undefined; // name of the listener
+    _address = undefined; // feed's address
+    _timeloop = 1 * 60; // update time RSS feed
+    _customfields = [] // rss fields custom
+
+
+
+    set name(value) {
+        this._name = value;
+    }
+
+    set address(value) {
+        this._address = value;
+    }
+
+    set timeloop(value) {
+        this._timeloop = value;
+    }
+
+    set customfields(value) {
+        this._customfields = value;
+    }
+
+    get name() {
+        return this._name;
+    }
+
+    get address() {
+        return this._address;
+    }
+
+    get timeloop() {
+        return this._timeloop;
+    }
+
+    get customfields() {
+        return this._customfields;
+    }
+}
+
+module.exports = ListenerRSSInfos

src/listener-director.js

@@ -0,0 +1,22 @@
+const YoutubeListenerRSSBuilder = require('./Models/YoutubeListenerRSSBuilder');
+
+class ListenerBuildDirector {
+    _builder = undefined;
+
+
+    constructor(builder) {
+        this._builder = builder;
+    }
+
+    getListener() {
+        return this._builder.listenerRSS();
+    }
+
+    build(infos) {
+        if(infos === undefined)
+            throw new Error('infos must be initialized');
+        this._builder.constructListener(infos);
+    }
+}
+
+module.exports = ListenerBuildDirector

src/listener-rss.js

@@ -0,0 +1,61 @@
+const jsonFile = require('jsonfile');
+const Parser = require('rss-parser');
+
+
+class ListenerRss {
+    name = undefined;
+    address = undefined;
+    timeloop = 5 * 60; // time in seconds
+    customfields = [];
+
+    // private fields
+    parser = null;
+    obj = null;
+    loopRunning = false;
+
+    constructor(info) {
+        // set parser
+        this.parser = new Parser({
+            customFields : {
+                item: info._customfields.map((elt) => {
+                    return Array.isArray(elt[1]) ? elt[1][0] : elt[1];
+                })
+            }
+        });
+
+        // Set data
+        this.name = info._name === undefined ? info._address : info._name; // if name is undefined let's take the address
+        this.address = info._address;
+        this.timeloop = info._timeloop;
+        this.customfields = info._customfields;
+    }
+
+    fetchRSS() {
+        return this.parser.parseURL(this.address)
+            .catch((err) => { throw new Error('bad address or no access : ' + err);});
+    }
+
+    /**
+     * @brief call the callback function each looptime
+     * @param callback function who's going to be called with the latest get
+     */
+    start(callback) {
+        this.loopRunning = true;
+
+        (async () => {
+            while(this.loopRunning === true) {
+                callback(await this.fetchRSS());
+                await new Promise(res => setTimeout(res, this.timeloop * 1000));
+            }
+        })();
+    }
+
+    /**
+     * @brief stop the async function
+     */
+    stop() {
+        this.loopRunning = false;
+    }
+}
+
+module.exports = ListenerRss

tests/rss-youtube-spec.js

@@ -1,59 +1,100 @@
 const chai = require("chai");
 const sinon = require("sinon");
-const proxyquire = require("proxyquire");
+const sinon_chai = require("sinon-chai");
+chai.use(sinon_chai);
 const Parser = require("rss-parser");
 
+const Listeners = require('../src/listener-rss')
+const ListenerRRSInfo = require('../src/Models/listenerRSSInfos')
+const YtbBuilder = require('../src/Models/YoutubeListenerRSSBuilder')
+const YtbDirector = require('../src/listener-director')
+
+
 const expect = chai.expect;
 
-describe("RSS Youtube", function () {
-  let rssYoutubeService;
-  let timecode;
-  let routage;
-  let parseUrlStub;
-  let mockedInput = {
+describe("test class RSS: jsonfile", function () {
+    let myListener = undefined;
+
+    let infosListener = new ListenerRRSInfo();
+    infosListener.name = 'my-test-service';
+    infosListener.address = 'fake.rss.service';
+    infosListener.timeloop = 15;
+
+        // parseURL tests
+    let stubParser;
+
+    const mockedRSSOutput = {
         items: [
             {
-        id: "::account",
-        url:
-        isoDate: Date.now().toISOString(),
-        "media:group": {
-          "media:description": [
-            "my description"
-          ]
-        }
+                'title': 'my title 00',
+                'media:group': {
+                    'media:description': 'my description 00',
+                    'media:thumbnail': [{$: {height: 360, width: 420, url: 'my_image00.jpg'}}],
+                },
+                'link': 'my_url_00.com',
+                'pubDate': 'myDate00'
+            },
+            {
+                'title': 'my title 01',
+                'media:group' : {
+                    'media:description': 'my description 01',
+                    'media:thumbnail': [{$: { height: 360, width: 420, url: 'my_image01.jpg'}}],
+                },
+                'link': 'my_url_01.com',
+                'pubDate': 'myDate01'
+            },
+            {
+                'title': 'my title 02',
+                'media:group' : {
+                    'media:description': 'my description 02',
+                    'media:thumbnail': [{$: { height: 360, width: 420, url: 'my_image02.jpg'}}],
+                },
+                'link': 'my_url_02.com',
+                'pubDate': 'myDate02'
+            },
         ]
     };
 
     beforeEach(function () {
-    timecode = {
-      "lastCheck": "2020-11-12T17:44:11.713Z",
-      "MyUser": "2020-11-12T17:44:11.713Z"
-    };
-    routage = {
-      log: sinon.stub(),
-      send: sinon.stub()
-    };
+        // stubs
+        stubParser = sinon.stub(Parser.prototype, 'parseURL')
+            .withArgs(listenerInfo.address)
+            .resolves(mockedRSSOutput);
 
-    parseUrlStub = sinon.stub(Parser.prototype, "parseURL")
-      .callsFake((_, callback) => callback(null, "data"));
-
-    rssYoutubeService = proxyquire("../services/rss-youtube", {
-      "../modules/routage": () => routage,
-      "../db/rss-youtube.json": {
-        config: {
-          timeLoop: 5,
-          urlFeeds: "https://www.youtube.com/feeds/videos.xml?channel_id=",
-          sliceDescription: 142
-        },
-        feeds: {
-          MyUser: "Some channel"
-        },
-        timecode
-      }
-    });
-  });
+        // constructor
+        myListener = new Listeners();
+    })
 
     afterEach(function () {
-    Parser.prototype.parseURL.reset();
+        // restore stubs
+        Parser.prototype.parseURL.restore();
+    });
+
+    describe("Building Ytb listener", function () {
+        it("The build without problems", function () {
+            let builder = new YtbBuilder();
+            let director = new YtbDirector(builder);
+            director.build(infosListener);
+            myListener = director.getListener();
+
+            // assertions
+            expect(stubParser).to.have.been.calledOnce;
+            expect(stubParser).to.have.been.calledWith(infosListener._address);
+            expect(myListener.customFields).to.eql([
+                ['description', ['media:group', 'media:description']],
+                ['icon', ['media:group', 'media:thumbnail']]
+            ]);
+            //TODO test les infos dans "myListener"
+        });
+    });
+
+    //Todo
+    describe.skip("start", function () {
+        it("Let's start the timer", function () {
+            myListener.setDatas(listenerInfo);
+            myListener.start();
+
+
+        });
     });
 });