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server.js
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server.js
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var http = require('http');
var qs = require('querystring');
var cls = require('./controllers');
var serverPort = process.env.PORT || 3000;
var url = require('url');
/////////////////////////////////////////// DATA CREATION FUNCTIONS /////////////////////////////////////////////////////////////////////////
function addSampleData(response) {
var cat = [
{_id:1,name:"electronics",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:2,name:"kitchen",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:3,name:"electrical",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:4,name:"clothes",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:5,name:"books",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:6,name:"homedecor",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:7,name:"fashion",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:8,name:"mens wear",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:9,name:"sofa",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:10,name:"furniture",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:11,name:"microwave",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:12,name:"shirt",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:13,name:"mobile",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:14,name:"trekking",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:15,name:"games",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:16,name:"toys",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:17,name:"novel",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:18,name:"study",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:19,name:"sofa",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:20,name:"stationary",added_at : "Tue, 23 Oct 2019 14:06:02 GMT"}
];
var users = [
{_id:1,name:"rishabh",password:"123cxs4",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:2,name:"csa",password:"12s34",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:3,name:"abx",password:"12xsa34",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:4,name:"sda",password:"12cds34",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:5,name:"dasd",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:6,name:"ss",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:7,name:"sas",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:8,name:"cds",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:9,name:"dcs",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:10,name:"vds",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT"}
];
var sellers = [
{_id:1,name:"rishabh",password:"123cxs4",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110098,110032], rating:1},
{_id:2,name:"csa",password:"12s34",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110022,110032], rating:2},
{_id:3,name:"abx",password:"12xsa34",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110092,110032], rating:5},
{_id:4,name:"sda",password:"12cds34",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110118,110032], rating:3},
{_id:5,name:"dasd",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110228,110032], rating:1.8},
{_id:6,name:"ss",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110098,110032], rating:2},
{_id:7,name:"sas",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110098,110032], rating:1},
{_id:8,name:"cds",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110098,110032], rating:2},
{_id:9,name:"dcs",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110098,110032], rating:3},
{_id:10,name:"vds",password:"1234",address:"delhi",email:"[email protected]",contact:"121312312313",added_at : "Tue, 23 Oct 2015 14:06:02 GMT", pin:[110098,110032], rating:1}
];
var purchases = [
{_id:1, product_id:[2, 1] , quantity: [2, 2], user_id:1 , payment:"cash", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:2, product_id:[8] , quantity: [1], user_id:2 , payment:"credit card", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:3, product_id:[1, 3] , quantity: [1, 2], user_id:5 , payment:"net banking", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:4, product_id:[4] , quantity: [2], user_id:3 , payment:"cash", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:5, product_id:[7] , quantity: [1], user_id:4, payment:"cash", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:6, product_id:[5] , quantity: [1], user_id:6 , payment:"credit card", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:7, product_id:[3, 4] , quantity: [5, 4], user_id:7 , payment:"cash", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:8, product_id:[5, 7] , quantity: [2, 2], user_id:5 , payment:"debit card", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:9, product_id:[1, 2] , quantity: [1, 1], user_id:2 , payment:"paytm", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"},
{_id:10, product_id:[2] , quantity: [3], user_id:1 , payment:"cash", added_at : "Tue, 23 Oct 2015 14:06:02 GMT"}
];
var products = [
{
"_id" : 1,
"name" : "IFB S345XD3 Microwave",
"price" : 900,
"category" : [1, 2, 3],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 17 Oct 2017 14:06:02 GMT",
"description" : "heats up stuff",
"brand": "IFB Electronics",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 1,
"add_info": {"power":"400kW", "star_rating": 2}
},
{
"_id": 2,
"name" : "Samsung SS34045 Micro Model 2017",
"price" : 500,
"category" : [1, 2, 3],
"quantity" : 100,
"added_at" : "Tue, 24 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 17 Oct 2016 14:06:02 GMT",
"description" : "A quality product at cheap price",
"brand": "Haeir",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 3,
"add_info": {"power":"200kW", "star_rating": 4}
},
{
"_id" : 3,
"name" : "Tommy Hilfiger Pure Cotton Slim Shirt",
"price" : 1200,
"category" : [4, 5, 6],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2016 14:06:02 GMT",
"description" : "White Shirt. Value for money.",
"brand": "Tommy",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 4,
"add_info": {"color": "white", "material": "cotton"}
},
{
"_id" : 4,
"name" : "Samsung Galaxy S8",
"price" : 11200,
"category" : [1, 7],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "A good make phone from reputed brand.",
"brand": "Samsung",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 2,
"add_info": {"memory": "16 GB", "ram": "4 GB", "camera": "13 MP"}
},
{
"_id" : 5,
"name" : "Velvet Sofa set",
"price" : 22200,
"category" : [8, 9, 10],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "6 Seater sofa set for drawing room",
"brand": "Urban Ladder",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 1,
"add_info": {"area":"2200 sq. ft.", "material":"Velvet"}
},
{
"_id" : 6,
"name" : "Wildcraft Trekking Bag",
"price" : 2000,
"category" : [11, 12, 13],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "Water proof good quality backpack.",
"brand": "Wildcraft",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 3,
"add_info": {"capacity": "32 litres", "waterproof": "yes", "color": "red"}
},
{
"_id" : 7,
"name" : "OnePlus 5",
"price" : 2300,
"category" : [1, 7],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "Best in class camera",
"brand": "OnePlus",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 2,
"add_info": {"processor":"Snapdragon 835", "camera": "22 MP", "rom": "16 GB"}
},
{
"_id" : 8,
"name" : "Fidget Spinner Premsons Yanky",
"price" : 500,
"category" : [14, 15, 16],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "You need to own it to know it! Only for people with swag!",
"brand": "Premsons",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 5,
"add_info": {"color": "multicolor", "spin_time": "2 min"}
},
{
"_id" : 9,
"name" : "2 States By Chetan Bhagat",
"price" : 300,
"category" : [17, 19],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "A romanctic love story",
"brand": "Novotel Printing Press",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 3,
"add_info": {"writer": "Chetan Bhagat", "pages": 240, "bind": "hardbind"}
},
{
"_id": 10,
"name" : "Coding Interviews Crack it",
"price" : 200,
"category" : [18, 19],
"quantity" : 150,
"added_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"last_updated_at" : "Tue, 23 Oct 2015 14:06:02 GMT",
"description" : "heats up stuff",
"brand": "Arihant Publications",
"image_url" : ["https://i5.walmartimages.com/asr/634cf459-ab85-44ec-98a3-bad23bf322d3_1.0bfec25976d5516321d7cb0039827fb7.jpeg?odnHeight=450&odnWidth=450&odnBg=FFFFFF"],
"seller_id" : 2,
"add_info": {"author": "MS Rishabh", "pages": 440}
}
];
cls.addManyCategories(cat,function(result) {
var res = {message: "Categories added"};
console.log(JSON.stringify(res));
cls.addManyUsers(users,function(result) {
var res = {message: "Users added"};
console.log(JSON.stringify(res));
cls.addManySellers(sellers,function(result) {
var res ={message: "Sellers added"};
console.log(JSON.stringify(res));
cls.addManyPurchases(purchases,function(result) {
var res = {message: "purchases added"};
console.log(JSON.stringify(res));
cls.addManyProducts(products,function(result) {
var res = {message: "products added"};
console.log(JSON.stringify(res));
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Sample data added"};
response.write(JSON.stringify(result));
response.end();
});
});
});
});
});
}
function deleteData(response) {
cls.removeProducts({},function(result) {
var res = {message: "product removed"};
console.log(JSON.stringify(res));
cls.removeUsers({},function(result) {
var res = {message: "Users removed"};
console.log(JSON.stringify(res));
cls.removeSellers({},function(result) {
var res = {message: "Sellers removed"};
console.log(JSON.stringify(res));
cls.removePurchases({},function(result) {
var res = {message: "Purchases removed"};
console.log(JSON.stringify(res));
cls.removeCategories({},function(result) {
var res = {message: "Categories removed"};
console.log(JSON.stringify(res));
addSampleData(response);
});
});
});
});
});
}
var addApiKeys = function () {
var keys = [{"_id": 1, "API_KEY": "rish", added_at: "Tue, 23 Oct 2015 14:06:02 GMT", "level":4},
{"_id": 2, "API_KEY": "rishabh", added_at: "Tue, 23 Oct 2015 14:06:02 GMT", "level":1},
{"_id": 3, "API_KEY": "rish123", added_at: "Tue, 23 Oct 2015 14:06:02 GMT", "level":2},
{"_id": 4, "API_KEY": "rish567", added_at: "Tue, 23 Oct 2015 14:06:02 GMT", "level":3},
{"_id": 5, "API_KEY": "rish56453", added_at: "Tue, 23 Oct 2015 14:06:02 GMT", "level":2}];
cls.addManyKeys(keys, function(err, result) {
if (err) {
console.log(err);
return;
}
var res = {message: "keys added"};
console.log(JSON.stringify(res));
});
}
//////////////////////////////////////// HELPER FUNCTIONS ///////////////////////////////////////////////////////////////////////
function isArrayOfInts(str) {
if(str == null) {
return false;
}
var arr = str.trim().split("[");
if (arr.length != 2) {
return false;
} else {
arr = arr[1].trim().split("]");
if(arr.length != 2) {
return false;
} else {
arr = arr[0].trim().split(",");
for (var i=0; i<arr.length; i++){
arr[i] = parseInt(arr[i].trim());
if (isNaN(arr[i]))
return false;
}
return arr;
}
}
}
function isValidMode(str) {
return (str === "paytm" || str === "cash" || str === "credit card" || str === "debit card" || str == "online_others");
}
function isJsonString(str) {
try {
if (str == null)
return false;
return JSON.parse(str);
} catch (e) {
return false;
}
}
////////////////////////////////////////////// MAIN FUNCTION ////////////////////////////////////////////////////////////////////////
server = http.createServer(function (request, response) {
var myurl = url.parse(request.url).pathname;
var query = url.parse(request.url,true).query;
if(request.method === "PATCH") {
if(myurl === "/products"){
var requestBody = '';
request.on('data', function(data) {
requestBody += data;
if(requestBody.length > 1e7) {
response.writeHead(413, 'Entity too large', {'Content-Type': 'application/json'});
var result = {message: "Data too large"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
request.on('end', function() {
var data = qs.parse(requestBody);
var apiKey = data["API_KEY"];
if(apiKey == undefined) {
response.writeHead(401, {'Content-Type': 'application/json'});
var result = {message: "API KEY is not given"};
response.end(JSON.stringify(result));
return;
}
cls.getKeyByQuery({API_KEY: apiKey}, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(401, {'Content-Type': 'application/json'}); //change error
response.end(JSON.stringify(result));
return;
} else {
if(result == null){
response.writeHead(401, {'Content-Type': 'application/json'});
var result = {message: "API KEY is not authorized"};
response.end(JSON.stringify(result));
return;
}
}
});
var added = new Date(Date.now()).toUTCString();
var newVal = {};
if(data.name != undefined)
newVal.name = data.name;
if(data.price != undefined){
data.price = parseInt(data.price);
if(!isNaN(data.price))
newVal.price = data.price;
}
if(data.qty != undefined){
data.qty = parseInt(data.qty);
if(!isNaN(data.qty))
newVal.quantity = data.qty;
}
if(data.brand != undefined)
newVal.brand = data.brand;
if(data.seller_id != undefined){
data.seller_id = parseInt(data.seller_id);
if(!isNaN(data.seller_id))
newVal.seller_id = data.seller_id;
}
if(data.category_id != undefined){
data.category_id = isArrayOfInts(data.category_id);
if(data.category_id)
newVal.category = data.category_id;
}
if(data.add_info != undefined){
data.add_info = isJsonString(data.add_info);
if(data.add_info)
newVal.add_info = data.add_info;
}
if(data.desc != undefined)
newVal.description = data.desc;
newVal.last_updated_at = added;
console.log(JSON.stringify(newVal));
if((data.price != undefined && isNaN(data.price)) || (data.qty != undefined && isNaN(data.qty)) ||
(data.seller_id != undefined && isNaN(data.seller_id)) || (data.add_info != undefined && !(data.add_info)) ||
(data.category_id != undefined && !(data.category_id))) {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Incomplete or wrong fields."};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
cls.updateProduct({_id:id}, {$set: newVal}, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Product Updated"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
});
}
} else if(request.method === "DELETE") {
if(myurl === "/products"){
var requestBody = '';
request.on('data', function(data) {
requestBody += data;
if(requestBody.length > 1e7) {
response.writeHead(413, 'Entity too large', {'Content-Type': 'application/json'});
var result = {message: "Data too large"};
response.end(JSON.stringify(result));
}
});
request.on('end', function() {
var data = qs.parse(requestBody);
var apiKey = data["API_KEY"];
if(apiKey == undefined) {
response.writeHead(401, {'Content-Type': 'application/json'});
var result = {message: "API KEY is not given"};
response.end(JSON.stringify(result));
return;
}
cls.getKeyByQuery({API_KEY: apiKey}, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(401, {'Content-Type': 'application/json'}); //change error
response.end(JSON.stringify(result));
return;
} else {
if(result == null){
response.writeHead(401, {'Content-Type': 'application/json'});
var result = {message: "API KEY is not authorized"};
response.end(JSON.stringify(result));
return;
}
}
});
console.log(data);
id = data.id;
if(isNaN(id)) {
response.writeHead(200, {'Content-Type': 'application/json'});
res = {message: "Please specify id of the product to be removed."}
//response.write(JSON.stringify(res));
response.end(JSON.stringify(res));
} else {
cls.removeProduct({_id : id}, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Product deleted"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
});
}
} else if(request.method === "GET") {
var apiKey = query["API_KEY"];
if(apiKey == undefined) {
response.writeHead(401, {'Content-Type': 'application/json'});
var result = {message: "API KEY is not given"};
response.end(JSON.stringify(result));
return;
}
cls.getKeyByQuery({API_KEY: apiKey}, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(401, {'Content-Type': 'application/json'}); //change error
response.end(JSON.stringify(result));
return;
} else {
if(result == null){
response.writeHead(401, {'Content-Type': 'application/json'});
var result = {message: "API KEY is not authorized"};
response.end(JSON.stringify(result));
return;
}
}
});
if(myurl === "/initialize") {
// Just for adding sample data & removing previous data
deleteData(response);
} else if(myurl === "/users"){
var id = parseInt(query.id);
console.log("id:: " + id + typeof(id));
if(isNaN(id))
cls.getAllUsers(function(err, result) {
//console.log("fdsfsf:: " + result);
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
else {
cls.getUserById(id, function(err, result) {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
});
}
}
else if(myurl === "/categories"){
var id = parseInt(query.id);
if(!isNaN(id)){
cls.getCategoryById(id, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else{
// get all categories
cls.getAllCategories(function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
} else if(myurl === "/products"){
var id = parseInt(query["id"]);
var c_id = parseInt(query["category_id"]);
if(!isNaN(id)){
cls.getProductById(id, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else if(!isNaN(c_id)){
var query = {category: { $in: [c_id] }};
cls.getProductsByQuery(query, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else{
cls.getAllProducts(function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
} else if(myurl === "/purchases"){
var p_id = parseInt(query["product_id"]);
var s_id = parseInt(query["seller_id"]);
var u_id = parseInt(query["user_id"]);
if(!isNaN(s_id) && !isNaN(p_id)) {
response.writeHead(200, {'Content-Type': 'application/json'});
response.write(JSON.stringify({message: "Seller id and product id cannot be used together."}));
response.end();
} else if(!isNaN(p_id) && !isNaN(u_id)) {
// for given product id and user id
var query = {user_id: u_id, product_id: { $in: [p_id] }};
cls.getPurchasesByQuery(query, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else if(!isNaN(s_id)){
// get seller id
//console.log(seller_id);
cls.getPurchasesBySeller(s_id, function(err1, err2, result) {
if(err1) {
console.log(err1);
var result = {message: err1};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else if(err2) {
console.log(err2);
var result = {message: err2};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else if(!isNaN(p_id)){
var query = {product_id: { $in: [p_id] }};
cls.getPurchasesByQuery(query, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else if(!isNaN(u_id)) {
var query = {user_id: u_id};
cls.getPurchasesByQuery(query, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
} else{
cls.getAllPurchases(function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
}
else if(myurl === "/sellers"){
var id = parseInt(query["id"]);
if(isNaN(id)) {
cls.getAllSellers(function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
else {
// get users by id
cls.getSellerById(id, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
}
else {
response.writeHead(404, 'Resource Not Found', {'Content-Type': 'application/json'});
var result = {message: "Request not Supported"};
response.end(JSON.stringify(result));
}
} else if(request.method === "POST") {
var requestBody = '';
request.on('data', function(data) {
requestBody += data;
if(requestBody.length > 1e7) {
response.writeHead(413, 'Entity too large', {'Content-Type': 'application/json'});
var result = {message: "Data too large"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
if (myurl === "/users") {
request.on('end', function() {
var data = qs.parse(requestBody);
var apiKey = data["API_KEY"];
//var data = JSON.parse(requestBody);
var added = new Date(Date.now()).toUTCString();
data.id = parseInt(data.id);
if(isNaN(data.id) || data.name == undefined || data.pwd == undefined ||
(data.email != undefined && ((data.email).indexOf("@") == -1 || (data.email).indexOf(".") == -1 ||
(data.email).indexOf("@")+1 == (data.email).indexOf(".") || (data.email).indexOf(".") >= data.email.length-2)) ||
(data.contact != undefined && ((data.contact).length != 10 || data.contact != parseInt(data.contact)))) {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Incomplete or wrong fields."};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
if(data.email == undefined)
data.email = "";
if(data.add == undefined)
data.add = "";
if(data.contact == undefined)
data.contact = "";
var user = [{_id:data.id, name:data.name, password:data.pwd,
address:data.add, email:data.email, contact:data.contact, added_at : added}];
cls.addManyUsers(user, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "User added"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
});
} else if(myurl === "/products") {
request.on('end', function() {
var data = qs.parse(requestBody);
//var data = JSON.parse(requestBody);
var added = new Date(Date.now()).toUTCString();
var updated = "";
data.id = parseInt(data.id);
data.price = parseInt(data.price);
data.qty = parseInt(data.qty);
data.seller_id = parseInt(data.seller_id);
if(data.category_id != undefined)
data.category_id = isArrayOfInts(data.category_id);
if(data.add_info != undefined)
data.add_info = isJsonString(data.add_info);
console.log(data);
if(isNaN(data.id) || data.name == undefined || isNaN(data.price) || isNaN(data.qty) || data.brand == undefined || isNaN(data.seller_id) || (data.add_info != undefined && !(data.add_info)) || (data.category_id != undefined && !(data.category_id))) {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Incomplete or Wrong filled fields."};
response.write(JSON.stringify(result));
response.end();
} else {
if (data.add_info == undefined)
data.add_info = {};
if (data.category_id == undefined)
data.category_id = []
if (data.image_url == undefined)
data.image_url = []
if (data.desc == undefined)
data.desc = "";
var product = [{_id:parseInt(data.id), name:data.name, price:parseInt(data.price),
category:data.ctegory_id, quantity:parseInt(data.qty), added_at:added,
last_updated_at:updated, description:data.desc, brand:data.brand,
image_url:data.image_url, seller_id : parseInt(data.seller_id), add_info:data.add_info}];
cls.addManyProducts(product, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Product added"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
});
} else if(myurl === "/categories") {
request.on('end', function() {
var data = qs.parse(requestBody);
//var data = JSON.parse(requestBody);
var added = new Date(Date.now()).toUTCString();
data.id = parseInt(data.id);
if(isNaN(data.id) || data.name == undefined) {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Incomplete or Wrong filled fields."};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
var category = [{_id:parseInt(data.id), name:data.name, added_at:added}];
cls.addManyCategories(category, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Product added"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
});
} else if(myurl === "/sellers") {
request.on('end', function() {
var data = qs.parse(requestBody);
//var data = JSON.parse(requestBody);
var added = new Date(Date.now()).toUTCString();
data.id = parseInt(data.id);
if(data.pin != undefined)
data.pin = isArrayOfInts(data.pin);
if(isNaN(data.id) || data.name == undefined || data.pwd == undefined || data.add == undefined ||
data.contact == undefined || (data.contact != undefined && ((data.contact).length != 10 || data.contact != parseInt(data.contact))) ||
data.pin == undefined || !(data.pin)) {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Incomplete or Wrong filled fields."};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
if (data.email == undefined)
data.email = "";
var rate = NaN;
var product = [{_id:data.id, name:data.name, password:data.pwd,
address:data.add, contact:data.contact, added_at:added,
email: data.email, pin:data.pin, rating: rate}];
cls.addManySellers(product, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Seller added"};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
}
});
}
});
} else if(myurl === "/purchases") {
// A catch here : reduce the quantity of product also in the product table :)
request.on('end', function() {
var data = qs.parse(requestBody);
//var data = JSON.parse(requestBody);
var added = new Date(Date.now()).toUTCString();
data.id = parseInt(data.id);
data.user_id = parseInt(data.user_id);
if(data.payment != undefined)
data.payment = (data.payment).toLowerCase();
if(data.product_id != undefined)
data.product_id = isArrayOfInts(data.product_id);
if(data.qty != undefined)
data.qty = isArrayOfInts(data.qty);
if(isNaN(data.id) || data.product_id == undefined || !(data.product_id) || isNaN(data.user_id) || data.qty == undefined ||
!(data.qty) || data.payment == undefined || !isValidMode(data.payment)) {
response.writeHead(200, {'Content-Type': 'application/json'});
var result = {message: "Incomplete or Wrong filled fields."};
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));
} else {
var product = [{_id:data.id, product_id:data.product_id,
user_id:data.user_id, quantity:data.qty, added_at:added, payment:data.payment}];
cls.addManyPurchases(product, function(err, result) {
if(err) {
console.log(err);
var result = {message: err};
response.writeHead(404, {'Content-Type': 'application/json'}); //change error
//response.write(JSON.stringify(result));
response.end(JSON.stringify(result));