POPULATING

Author: nncl

nodejs/class-11/part-3/class-express-generator/app.js

@@ -13,6 +13,7 @@ const paginate = require('express-paginate');
 const routes = require('./routes/index');
 const users = require('./routes/users');
 const UsersAPI = require('./modules/Users');
+const ClassAPI = require('./modules/Class');
 
 const app = express();
 
@@ -35,6 +36,7 @@ app.use('/users', users);
 
 // JSON API
 app.use('/api/v1/users', UsersAPI);
+app.use('/api/v1/class', ClassAPI);
 
 // catch 404 and forward to error handler
 app.use(function (req, res, next) {

nodejs/class-11/part-3/class-express-generator/modules/Class/actions.js

@@ -0,0 +1,43 @@
+'use strict';
+
+const Organism = require('./organisms/organism-class');
+const paginate = require('express-paginate');
+
+const callback = (err, data, res)=> {
+    if (err) return res.json(err);
+
+    return res.json(data);
+};
+
+const Actions = {};
+
+Actions.list = (req, res) => {
+    const query = {};
+
+    // Organism.paginate(query, {page: req.query.page, limit: req.query.limit}, (err, data, pageCount, itemCount)=> {
+    //     var obj = {
+    //         has_next_page: data.page < data.pages ? true : false
+    //         , data: data
+    //     };
+    //     callback(err, obj, res);
+    // });
+
+    Organism
+        .find(query)
+        .populate('students' , 'name email')
+        .exec((err, data)=> {
+            callback(err, data, res);
+        })
+};
+
+Actions.create = (req, res) => {
+    const query = {};
+    const body = req.body;
+    const new_class = new Organism(body);
+
+    new_class.save((err, data)=> {
+        callback(err, data, res);
+    });
+};
+
+module.exports = Actions;

nodejs/class-11/part-3/class-express-generator/modules/Class/atoms/atom-name.js

@@ -0,0 +1,13 @@
+/**
+ * Atom field name
+ */
+
+const Atom = {
+    type: String
+    , set: require('../quarks/quark-toLower')
+    , validate: require('../quarks/quark-validate-string-lengthGTE3')
+    , required: true
+    , index: true
+};
+
+module.exports = Atom;

nodejs/class-11/part-3/class-express-generator/modules/Class/atoms/atom-user.js

@@ -0,0 +1,14 @@
+/**
+ * Atom field user
+ */
+
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+
+const Atom = {
+    type: Schema.Types.ObjectId
+    , ref: 'User'
+    , required: true
+};
+
+module.exports = Atom;

nodejs/class-11/part-3/class-express-generator/modules/Class/index.js

@@ -0,0 +1,8 @@
+'use strict';
+
+const router = require('./routerExpress');
+const Actions = require('./actions');
+const Routes = require('./routes')(Actions);
+const Router = require('./routesExpress')(Routes, router);
+
+module.exports = Router;

nodejs/class-11/part-3/class-express-generator/modules/Class/molecule/molecule-class.js

@@ -0,0 +1,15 @@
+'use strict';
+
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+const paginate = require('mongoose-paginate');
+
+const Molecule = {
+    name: require('../atoms/atom-name')
+    , students: [require('../atoms/atom-user')]
+};
+
+const MoleculeSchema = new Schema(Molecule);
+MoleculeSchema.plugin(paginate);
+
+module.exports = MoleculeSchema;

nodejs/class-11/part-3/class-express-generator/modules/Class/organisms/organism-class.js

@@ -0,0 +1,8 @@
+'use strict';
+
+const mongoose = require('mongoose');
+const classSchema = require('../molecule/molecule-class');
+
+const Organism = mongoose.model('Class', classSchema);
+
+module.exports = Organism;

nodejs/class-11/part-3/class-express-generator/modules/Class/quarks/quark-toLower.js

@@ -0,0 +1,8 @@
+/**
+ * Quark toLower
+ *
+ * Every single field that calls it will display itself
+ *  in lowercase letters.
+ */
+
+module.exports = (v) => v.toLowerCase();

nodejs/class-11/part-3/class-express-generator/modules/Class/quarks/quark-validate-string-lengthGTE3.js

@@ -0,0 +1,6 @@
+/**
+ * Will validate a string to get its length
+ *  greater than 3 characters.
+ */
+
+module.exports = (v) => v.length > 3;

nodejs/class-11/part-3/class-express-generator/modules/Class/routerExpress.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('express').Router();