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Functionality works based on some debugging
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@clj13001
clj13001 committed Nov 29, 2016
1 parent a867154 commit bb28155
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Showing 3 changed files with 154 additions and 27 deletions.
6 changes: 3 additions & 3 deletions html/javascript/request.js
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Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,8 @@ function show(){

//iterate through the hardcoded device DB and select all the ones that match the selected option
for(var i = 0; i < devices.length; i++){
if((type.localeCompare(devices[i].hardware) == 0 || type.localeCompare(devices[i].software) == 0)) && !isUnavailable(i){
html += '<div class = "deviceContainer"><div class = "imgContainer"><img src="../imgs/' + devices[i].hardware + '.png" class = "device">' + devices[i].name + '</div><div class = "deviceDescp"><p>' + devices[i].description + '</p><button class = "requestbutton" id = "button' + i + '" type="button">Order device</button></div></div><br>'
if((type.localeCompare(devices[i].hardware) == 0 || type.localeCompare(devices[i].software) == 0) && !isUnavailable(i)){
html += '<div class = "deviceContainer"><div class = "imgContainer"><img src="../imgs/' + devices[i].hardware + '.png" class = "device">' + devices[i].name + '</div><div class = "deviceDescp"><p>' + devices[i].description + '</p><button class = "requestbutton" id = "button' + (i+1) + '" type="button">Order device</button></div></div><br>'
}
}

Expand Down Expand Up @@ -132,7 +132,7 @@ function isUnavailable(id){
return 0;
else{
for(var i = 0; i < unavailable.length; i++){
if(unavailable[i] === id)
if(unavailable[i] == (id+1))
return 1;
}
}
Expand Down
162 changes: 140 additions & 22 deletions html/javascript/shoppingCart.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,8 @@
//here are all the hardcoded devices

var array = new Array;
localStorage.setItem('unavailable',JSON.stringify(array));

var dev1 = {
id: 1,
name:"George",
Expand Down Expand Up @@ -46,43 +51,156 @@ var dev6 = {
software:"intel",
};

var devices = [dev1, dev2, dev3, dev4, dev5, dev6];
var devices = [dev1, dev2, dev3, dev4, dev5, dev6]; //put them all into an array
var checked = new Array; //this is the array that will indicate whether a shopping cart item is checked off or not

//adding event listeners to all the options, such as ordering and deleting
document.getElementById('os').addEventListener('click',orderSelected);
document.getElementById('ds').addEventListener('click',deleteSelected);
document.getElementById('oa').addEventListener('click',orderAll);
document.getElementById('da').addEventListener('click',deleteAll);

show(); //on load, we want to show everything

function getCartItems(){
//initiate array for them
var cart = new Array;
//get them from local storage
var cart_str = localStorage.getItem('cart');
//if there is at least one object already we need to convert it from JSON to string
if (cart_str !== null) {
var cart = new Array; //initiate array for them
var cart_str = localStorage.getItem('cart'); //get them from local storage
if (cart_str !== null) { //if there is at least one object already we need to convert it from JSON to string
cart = JSON.parse(cart_str);
}
return cart;
return cart; //return value is an array
}

/**
This function displays a list of devices that a user has currently in their shopping cart.
**/
function show(){
var cart = getCartItems();
var html = '';
if(cart.length !== 0){
for(var i = 0; i < cart.length; i++){
var id = cart[i]; //this gets the id value from the cart
for(int j = 0; j < devices.length; j++){ //iterate device list
if(devices[j].id === id){ //match the id's
var cart = getCartItems(); //get all the cart items you want to show
var html = ''; //html string initially empty
if(cart.length !== 0){ //only continue if there are cart items
for(var i = 0; i < cart.length; i++){ //iterate cart
var id = cart[i]; //this gets the id value from the cart
for(var j = 0; j < devices.length; j++){ //iterate device list
if(devices[j].id === id){ //match the id's
html += '<div> <input class = "deviceCheckbox" type = "checkbox" id = "' + id + '"> </input>' + devices[j].name + '</div>'; //create listing of all the devices
break; //break out of loop when we match
break; //break out of loop when we match
}
}
}
}
else{
html += 'Shopping cart is empty.';
else{ //no point in doing all that computing if the list is empty
html += 'Shopping cart is empty.'; //so give a nice error message.
}

document.getElementById('shoppingContainer').innerHTML = html; //adds what we just generated to the webpage

var checkboxes = document.getElementsByClassName('deviceCheckbox'); //get all the checkboxes we just placed!
for(var i = 0; i < checkboxes.length; i++){ //iterate them
checkboxes[i].addEventListener('click',changeStatus); //when we click on a checkbox, it should add/remove the id from the selected array
}
}

/**
When a checkbox is clicked, either a device needs to be checked or unchecked in the shopping cart. This function handles JUST that.
**/
function changeStatus(){
var id = this.getAttribute('id'); //get the checkbox's id
if(this.checked == true){ //we just checked it off
checked.push(id); //add item to the selected list
}
else{ //we just unchecked it
for(var i = 0; i < checked.length; i++){ //iterate checked array
if(id == checked[i]) //find the right checkbox
checked.splice(i,1); //remove from the array
}
}
}

/**
This function takes all the devices we selected and simulates an order on them.
**/
function orderSelected(){
var response = confirm("Are you sure you'd like to order the selected items?");
if(response == true){ //if they confirm
for(var i = 0; i < checked.length; i++){ //iterate all the checked off devices
var id = checked[i]; //get the id of each device
var unavailable = getUnavailableItems(); //get the unavailable items
var cart = getCartItems(); //get the cart
unavailable.push(id); //add to unavailable list
for(var j = 0; j < cart.length; j++){ //iterate cart
if(cart[j] == id) //match id's
cart.splice(j,1); //remove from the cart
}
localStorage.setItem('unavailable', JSON.stringify(unavailable)); //update local storage
localStorage.setItem('cart', JSON.stringify(cart)); //update local storage
}
checked = new Array; //reset the checked off array
show(); //reload the container
}
}

document.getElementById('shoppingContainer').innerHTML = html; //adds what we just generated to the webpage
/**
This function takes all the devices we selected and removes them from the shopping cart.
**/
function deleteSelected(){
var response = confirm("Are you sure you'd like to remove the selected items from the cart?");
if(response == true){ //if they confirm
for(var i = 0; i < checked.length; i++){ //iterate all the checked off devices
var id = checked[i]; //get the id of each device
var cart = getCartItems(); //get the cart
for(var j = 0; j < cart.length; j++){ //iterate cart
if(cart[j] == id){ //match ids
cart.splice(j,1); //remove from the cart
}
}
localStorage.setItem('cart', JSON.stringify(cart)); //update local storage
}
checked = new Array; //reset the checked array
show(); //reload the container
}
}

var checkboxes = document.getElementsByClassName('deviceCheckbox'); //get all the checkboxes we just placed!
for(int i = 0; i < checkboxes.length; i++){
checkboxes[i].addEventListener('click',addToSelected); //when we click on a checkbox, it should add that item to the selected local storage
/**
This function takes all devices in the shopping cart and orders them.
**/
function orderAll(){
var response = confirm("Are you sure you'd like to order the selected items?");
if(response == true){ //if they confirm
var cart = getCartItems(); //get the cart
for(var i = 0; i < cart.length; i++){ //iterate the cart
var id = cart[i]; //get the id of each device
var unavailable = getUnavailableItems(); //get the unavailable items
unavailable.push(id); //add to unavailable list
localStorage.setItem('unavailable', JSON.stringify(unavailable)); //update local storage
}
checked = new Array; //reset the checked off array
cart = new Array; //cart should now be empty, so reset also
localStorage.setItem('cart',JSON.stringify(cart)); //update local storage
show(); //reload container
}
}

/**
This function takes all devices in the shopping cart and deletes them.
**/
function deleteAll(){
var response = confirm("Are you sure you'd like to order the selected items?");
if(response == true){ //if they confirm
cart = new Array; //empty cart
localStorage.setItem('cart',JSON.stringify(cart)); //update local storage
checked = new Array; //reset the checked off array
show(); //reload container
}
}

/**
This function gets unavailable items from local storage.
**/
function getUnavailableItems(){
var unavailable = new Array; //make new array
var unavailable_str = localStorage.getItem('unavailable'); //get the string from local storage
if(unavailable_str !== null){ //as long as its not null
unavailable = JSON.parse(unavailable_str); //make into array
}
return unavailable; //return value is an array
}
13 changes: 11 additions & 2 deletions html/webpages/shoppingCart.html
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,12 @@
ul.nav{
padding: 0px;
}

div.displayDevice{
display: inline-block;
position: absolute;
padding-left: 30px;
}
</style>

</head>
Expand Down Expand Up @@ -64,8 +70,11 @@ <h4>Shopping Cart Options</h4>
</ul>
</div>

<div class="shoppingContainer">
<div class = "displayDevice">
<div id="shoppingContainer">
</div>
</div>


<script src="../javascript/shoppingCart.js"></script>
</body>
</html>

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