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individualProductPage.cgi
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individualProductPage.cgi
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#!/usr/bin/python
import cgi, os #For environment data and helpers
from pymongo import MongoClient # For MongoDB connections
import cgitb #Traceback
cgitb.enable()
'''
Name: Drayton Williams
'''
# Details to access MongoDB
username='dw15we'
passwd='5925342'
client=MongoClient('mongodb://'+username+':'+passwd+'@127.0.0.1/'+username)
db=client[username]
# Checks the header cookies for the currently logged in user
# and returns the username
def check_logged_in():
if os.environ.has_key('HTTP_COOKIE'):
user=None #Assume doesn't exist
usid=None # until proven otherwise
cookies=os.environ['HTTP_COOKIE'].split(';')
for cookie in cookies:
if cookie.split('=')[0].strip()=='user':
user=cookie[cookie.find('=')+1:] #Is this one understandable?
elif cookie.split('=')[0].strip()=='usid':
usid=cookie[cookie.find('=')+1:]
if user and usid: #If we have cookies for a username/sesionid
rec=db.users.find_one({'username':user,'usid':usid})
if rec!=None: #If the database records match the user
return user #I know, a little weird to not return True
return None
print "Content-Type: text/html"
statusName=check_logged_in()
print
storage = cgi.FieldStorage() # gets access to the submitted form data (only instantiate one)
productName = storage.getfirst('productName') # gets username from form
print """
<html>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<head>
<title>Assignment 4 - Individual Product Page</title>
<link rel="stylesheet" type="text/css" href="style.css">
<script>
/* Function to load stored wish list*/
function loadList() {
if (localStorage.getItem('wishState')) {
retrieveWish = JSON.parse(localStorage.getItem('wishState'));
} else {
retrieveWish = [] // create new empty list
}
return retrieveWish; // returns list
}
var tempWish = loadList(); // create temp array to pull from storage
function saveState() {
localStorage.setItem("wishState", JSON.stringify(tempWish));
}
// adds product to server-side (online) wishlist
function addServerItem(productName) {
req=new XMLHttpRequest();
req.onreadystatechange=function(){
if (this.readyState==4 & this.status==200) {
alert(this.response);
}
};
req.open("GET","addWishlistProduct.cgi?productName="+productName);
req.send();
}
// adds product to client-side (offline) wishlist
function addItem(productName) {
if (loadList().includes(productName)) { // if list already contains item --> wont add
alert('Item already in list');
} else { // pushes item to end of array
tempWish.push(productName);
saveState();
alert(productName + ' has been added offline');
}
}
// removes product from server-side (online) wishlist
function removeServerItem(productName) {
req=new XMLHttpRequest();
req.onreadystatechange=function(){
if (this.readyState==4 & this.status==200) {
alert(this.response);
}
};
req.open("GET","removeWishlistProduct.cgi?productName="+productName);
req.send();
}
// removes product from client-side (offline) wishlist
function removeItem(productName) {
if (!(loadList().includes(productName))) { // if list already doesnt have item --> prompt nothing to remove
alert('Item was not in list to begin with!');
} else { // find position of element and remove it
var pos = tempWish.indexOf(productName);
var removeProduct = tempWish.splice(pos, 1); // removes the found product from the list
saveState();
alert(productName + ' has been removed');
}
}
</script>
</head>
"""
# Top shared element
print open('pageDesign.top','r').read()
# displays the admin menu if user is an admin
isAdmin = db.users.user=db.users.find_one({'username':statusName,'isAdmin':True})
if isAdmin: # the user is an admin
print """
<a href="adminUserPage.cgi">
<button>Admin: Users</button>
</a>
<a href="adminProductPage.cgi">
<button>Admin: Products</button>
</a>
"""
# displaying buttons/status depending on if the user is signed in
if statusName: #user is signed in
# display sign out button
print """
<a href="logoutUser.cgi">
<button>Logout</button>
</a>
"""
print "<h4>"
print "Signed in as: "+statusName
print "</h4>"
else: # user is offline
# display sign in button
print '''
<a href="loginPage.cgi">
<button>Login</button>
</a>
'''
# display status as offline
print "<h4>"
print "Signed in as: Offline"
print "</h4>"
print """
<body class="allListings">
<h1>Individual Product Page</h1>
"""
# ------ Generating the user's products from database
products = db.products.find({'name':productName,'owner':'null'})
for record in products: # Creates and displays relevant info for each product in catalogue
print "<h3>"+record['name']+"</h3>"
print "<br>"
print "<img class='overviewImage' src='"+record['image']+"'>""</img>"
print "<br>"
print "<br>"
print "<button id='addButton_"+record['id']+"'>Add "+record['name']+" to wishlist</button>"
print "<button id='removeButton_"+record['id']+"'>Remove "+record['name']+" from wishlist</button>"
print "<p>Description: "+record['description']
print "<p>Cost: $"+record['cost']
if statusName: # if signed in, remove products from server
# Adding event listeners to add buttons via javascript
print "<script>document.getElementById('addButton_"+record['id']+"').addEventListener('click',function(){addServerItem('"+record['name']+"');});</script>"
# Adding event listeners to remove buttons via javascript
print "<script>document.getElementById('removeButton_"+record['id']+"').addEventListener('click',function(){removeServerItem('"+record['name']+"');});</script>"
else: # offline
# Adding event listeners to add buttons via javascript
print "<script>document.getElementById('addButton_"+record['id']+"').addEventListener('click',function(){addItem('"+record['name']+"');});</script>"
print "<script>document.getElementById('removeButton_"+record['id']+"').addEventListener('click',function(){removeItem('"+record['name']+"');});</script>"
# Bottom shared element
print open('pageDesign.bottom','r').read()
"""
</body>
</html>
"""