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bamazonManager.js
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bamazonManager.js
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var mysqlob = require("mysql");
var inquire = require("inquirer");
var dbConnection = mysqlob.createConnection({
host: "127.0.0.1",
port:3306,
user: "root",
password: "mavpks",
database:"bamazon"
});
dbConnection.connect(function(err) {
if (err) throw err;
console.log("Connected!" + " " + dbConnection.threadId );
startApp();
});
/*
function postItem(product_name,department_name,price,stock_quantity){
var values = [
[item_name,category,starting_bid,highest_bid]
];
var query = dbConnection.query(
"INSERT INTO auctions (item_name, category,starting_bid,highest_bid) values ?", [values], function(err, res) {
if(err) {
console.log(err);
}
console.log(res);
dbConnection.end();
});
}
*/
function checkForexit(){
inquire.prompt([{
name:"userchoice",
type:"confirm",
message:"Do you want to continue managing store?"
}]).then(function(answers){
//console.log(answers.userchoice);
if(answers.userchoice === true){
startApp();
}
else{
console.log("exiting the bamazon store!!!");
dbConnection.end();
}
});
}
function showProductInfo(lowInventory) {
var sqlquery = null;
console.log("show all the items in store");
if(lowInventory === true){
console.log("here are the low inventory product details");
sqlquery = "select * from products where stock_quantity < 5";
}
else{
console.log("Here are the products available in store\n");
sqlquery = "select * from products";
}
dbConnection.query(sqlquery, function (err, result,fields) {
if (err) throw err;
for(var i=0;i < result.length;i++){
console.log("Item_id: " + result[i].item_id + " || Product: " + result[i].product_name +
" || Department: " + result[i].department_name + " || Price: " + result[i].price +
" || Stock_Quantity: " + result[i].stock_quantity);
}
console.log("\n");
checkForexit();
});
}
function updateProductamount(product_name,quantity){
//console.log(stockquantity + ": " + quantity);
var stockquery = "select stock_quantity from products where?";
dbConnection.query(stockquery, {product_name:product_name},
function (err, result) {
if (err) throw err;
var sqlquery = "update products set ? where ?";
dbConnection.query(sqlquery, [{stock_quantity:result[0].stock_quantity + quantity},
{product_name:product_name}], function (err, result) {
if (err) throw err;
console.log(result);
checkForexit();
});
});
}
function getProductlist(){
var sqlquery = "select product_name from products";
dbConnection.query(sqlquery, function (err, result) {
if (err) throw err;
var productList = [];
for(var i=0;i < result.length;i++){
productList.push(result[i].product_name);
}
//console.log(productList);
addInventory(productList);
});
}
function addInventory(productlist){
inquire.prompt([{
name:"useroption",
type:"list",
message:"which item you want to add?",
choices:productlist
}]).then(function(answers){
var product_name = answers.useroption;
inquire.prompt([{
name:"product_quantity",
type:"input",
message:"how many of the item " + product_name + " you want to add?",
validate: function(value) {
if (isNaN(value) === false) {
return true;
}
return false;
}
}]).then(function(answers){
updateProductamount(product_name,parseInt(answers.product_quantity));
});
});
}
function addNewproduct(){
console.log("add new product");
}
function startApp(){
inquire.prompt([{
name:"manageoptions",
message:"select one of the options below",
type:"list",
choices:["View products for sale",
"View low inventory",
"Add to inventory",
"Add new product"]
}]).then(function(answers){
console.log("check option");
if(answers.manageoptions === "View products for sale"){
console.log("show product info");
showProductInfo(false);
}
else if(answers.manageoptions === "View low inventory"){
showProductInfo(true);
}
else if(answers.manageoptions === "Add to inventory"){
//addInventory();
getProductlist();
}
else if(answers.manageoptions === "Add new product"){
addNewproduct();
}
});
}
//startApp();