refactor: reuse Mongoose connection in Agenda

7 files changed, 135 insertions, 0 deletions

diff --git a/src/app.js b/src/app.js
new file mode 100644
index 0000000..45f9e61
--- /dev/null
+++ b/src/app.js
@@ -0,0 +1,23 @@
+const feathers = require('@feathersjs/feathers');
+const express = require('@feathersjs/express');
+const socketio = require('@feathersjs/socketio');
+const cors = require('cors')
+
+const services = require('./services');
+
+
+const app = express(feathers());
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(express.static(__dirname));
+app.use(express.errorHandler());
+app.use(cors());
+
+app.configure(express.rest());
+app.configure(socketio());
+app.configure(services);
+
+
+module.exports = app;
+
diff --git a/src/connectDb.js b/src/connectDb.js
new file mode 100644
index 0000000..c7ad13b
--- /dev/null
+++ b/src/connectDb.js
@@ -0,0 +1,40 @@
+const mongoose = require('mongoose');
+const Promise = require('bluebird');
+
+const MONGODB_URL = process.env.MONGODB_URI || 'mongodb://localhost:27017/bsu-fantom';
+const { MONGODB_USER, MONGODB_PASSWORD } = process.env;
+
+let connection;
+
+const connectDb = () => new Promise ((resolve, reject) => {
+  mongoose.Promise = Promise;
+
+  mongoose.connect(MONGODB_URL, {
+    user: MONGODB_USER,
+    pass: MONGODB_PASSWORD,
+    useNewUrlParser: true,
+    useUnifiedTopology: true,
+    useCreateIndex: true,
+    useFindAndModify: false,
+    family: 4 // Use IPv4, skip trying IPv6
+  });
+
+  connection = mongoose.connection;
+
+  connection.on('error', error => {
+    console.log(error);
+    reject(error);
+  });
+
+  connection.once('open', () => {
+    console.log('Connection to MongoDB successfull')
+    resolve();
+  });
+});
+
+const getConnection = () => connection;
+
+module.exports = {
+  connectDb,
+  getConnection
+};
diff --git a/src/services/events/event.service.js b/src/services/events/event.service.js
new file mode 100644
index 0000000..5c5bcff
--- /dev/null
+++ b/src/services/events/event.service.js
@@ -0,0 +1,35 @@
+const Agenda = require('agenda');
+const { getConnection } = require('../../connectDb.js');
+
+
+class Events {
+  setup(app) {
+    this.collectionName = 'events';
+
+    const connection = getConnection();
+    this.agenda = new Agenda();
+    this.agenda.mongo(
+      connection.collection(this.collectionName).conn.db,
+      this.collectionName
+    );
+
+    this.defineJobs();
+
+    return this.agenda.start();
+  };
+
+  defineJobs() {
+    this.agenda.define('attend class', async job => {
+      console.log('Running attend class job with attrs:');
+      console.log(job.attrs);
+    });
+  };
+
+  async create(data, params) {
+    return this.agenda.schedule(data.date, 'attend class', { data });
+  };
+}
+
+
+module.exports = app => app.use('/events', new Events());
+
diff --git a/src/services/index.js b/src/services/index.js
new file mode 100644
index 0000000..f2d65d0
--- /dev/null
+++ b/src/services/index.js
@@ -0,0 +1,10 @@
+const Users = require('./users/user.service.js');
+const Events = require('./events/event.service.js');
+
+module.exports = app => {
+  app.configure(Users);
+  app.configure(Events);
+
+  app.get('/ping', (req, res) => res.send('pong'));
+};
+
diff --git a/src/services/users/user.model.js b/src/services/users/user.model.js
new file mode 100644
index 0000000..74a83ae
--- /dev/null
+++ b/src/services/users/user.model.js
@@ -0,0 +1,6 @@
+const { model } = require('mongoose');
+const userSchema = require('./user.schema.js');
+
+module.exports = model('User', userSchema);
+
+
diff --git a/src/services/users/user.schema.js b/src/services/users/user.schema.js
new file mode 100644
index 0000000..f2c98ef
--- /dev/null
+++ b/src/services/users/user.schema.js
@@ -0,0 +1,14 @@
+const { Schema } = require('mongoose');
+
+module.exports = new Schema({
+  username: {
+    type: String,
+    unique: true,
+    required: true
+  },
+  password: {
+    type: String,
+    required: true
+  }
+}, { timestamps: true });
+
diff --git a/src/services/users/user.service.js b/src/services/users/user.service.js
new file mode 100644
index 0000000..67f2ae6
--- /dev/null
+++ b/src/services/users/user.service.js
@@ -0,0 +1,7 @@
+const service = require('feathers-mongoose');
+const Model = require('./user.model.js');
+
+const UserService = service({ Model })
+
+module.exports = app => app.use('/users', UserService);
+