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index.js
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index.js
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var express = require("express"); // Initialisation of Express.js module for Node.js REST Calling
var app = express(); // Express variable
app.use(express.static(__dirname + '/client'));
var util = require('util');
var bodyParser = require('body-parser');
app.use(bodyParser.json()); // to support JSON-encoded bodies
app.use(bodyParser.urlencoded({ // to support URL-encoded bodies
extended: true
}));
var mongoose = require('mongoose');
var async = require('async');
//********************************************* Loading index.html **************************************************//
app.get('/', function(req, res) {
res.sendFile('./client/index.html'); // load the single view file (angular will handle the page changes on the front-end)
});
//********************************************* Creating a schema for expensemaster table/collection *****************//
var Schema = mongoose.Schema;
// create a schema
var expenseSchema = new Schema({
date: { type: Date, required: true },
category: { type: String, required: true },
amount: { type: Number, required: true },
note: { type: String }
});
// we need to create a model using it
var Expense= mongoose.model('expensemaster', expenseSchema);
//********************************************* Start the mongoDB and express server **************************************************//
var database;
// Connection URL
//var url = 'mongodb://localhost:27017/expensemanager';
var url = 'mongodb://abhijeet:[email protected]:57529/expensemanager';
// Use connect method to connect to the server
mongoose.connect(url, function(err, db) {
//assert.equal(null, err);
if(err){
return console.log(err);
}
console.log("Connected correctly to mongoDB server");
database = db;
app.listen(3000, function() {
console.log('express server started and listening on port 3000!');
});
});
//********************************************* Get expenseList **************************************************//
app.post('/getExpenseList', function(req, res) {
console.log("**************************** /getExpenseList Server log **************************************");
var startDate = req.body.startDate;
var endDate = req.body.endDate;
var categoryList = req.body.selectedCategoryList;
console.log("Parameter received at server");
console.log("start Date Range: "+ startDate);
console.log("end Date Range: "+ endDate);
console.log("selected Category: "+ categoryList);
Expense.find({
date: {
$gte: new Date(startDate),
$lte: new Date(endDate)
},
category: {
$in: categoryList
}
}, function (err, docs) {
console.log("err: "+ util.inspect(err));
console.log("result "+ util.inspect(docs));
res.send(docs);
});
});
//********************************************* Insert expenseList **************************************************//
app.post('/addExpenseList', function(req, res) {
console.log("**************************** /addExpenseList Server log **************************************");
var expenseListToAdd = req.body;
console.log('expenseListToAdd: ' + util.inspect(expenseListToAdd));
for(var i=0;i<expenseListToAdd.length;i++){
var obj = expenseListToAdd[i];
obj.date = new Date(obj.date);
}
var onInsert = function(err, docs){
if (err) {
console.log('Error occurred while adding expense');
} else {
console.log('Expense(s) were successfully added.');
}
res.send({error:err,docs:docs});
};
Expense.collection.insert(expenseListToAdd, onInsert);
});
//********************************************* Edit expenseList **************************************************//
app.post('/editExpenseList', function(req, res) {
console.log("**************************** /editExpenseList Server log **************************************");
var expenseListToEdit = req.body;
console.log('expenseListToEdit: ' + util.inspect(expenseListToEdit));
for(var i=0;i<expenseListToEdit.length;i++){
var obj = expenseListToEdit[i];
obj.date = new Date(obj.date);
}
// for(var i=0;i<expenseListToEdit.length;i++){
//
// var expense = expenseListToEdit[i];
//
// Expense.findByIdAndUpdate(expense._id, expense, function(err, model) {
// if (err) {
// // logger.error(modelString +':edit' + modelString +' - ' + err.message);
// // self.emit('item:failure', 'Failed to edit ' + modelString);
// // return;
// console.log('Error occurred while editing expense');
//
//
// }
// // self.emit('item:success', model);
// console.log('model: ' + util.inspect(model));
//
// console.log('Expense(s) were successfully edited.');
//
// });
// }
async.each(expenseListToEdit, function (expense, done) {
Expense.findByIdAndUpdate(expense._id, expense, function(err, model) {
if (err) {
console.log('Error occurred while editing expense');
done(err); // if an error occured, all each is stoped
return;
}
console.log('model: ' + util.inspect(model));
done();
});
}, function (err) {
// final callback launched after all findByIdAndUpdate calls.
res.send();
});
});
//********************************************* Delete expense **************************************************//
app.delete('/deleteExpense/:expenseRowId', function(req, res) {
console.log("**************************** /deleteExpense Server log **************************************");
var expenseRowId = req.params.expenseRowId;
console.log('expenseRowId: ' + util.inspect(expenseRowId));
Expense.findByIdAndRemove(expenseRowId, function (err, expense) {
if (err) {
res.send({error: err});
}
else{
console.log('expense deleted: ' + util.inspect(expense));
res.send({ expenseDeleted: expense });
}
});
});