first commit

app.py

@@ -0,0 +1,248 @@
+#coding:utf-8
+import os
+from datetime import date
+from flask import Flask,request, session, redirect, render_template,send_from_directory 
+from flask_sqlalchemy import SQLAlchemy
+
+basedir = os.path.abspath(os.path.dirname(__file__)) 
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///' + os.path.join(basedir, 'data.db') 
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False 
+app.config['SECRET_KEY'] = "ruz@2021" 
+db = SQLAlchemy(app) 
+
+
+class User(db.Model):
+    id = db.Column(db.Integer, unique=True, primary_key=True)
+    username=db.Column(db.String(255))
+    password= db.Column(db.String(255))
+
+    def __init__(self,username,password):
+        self.username=username
+        self.password=password
+
+    def __repr__(self):
+        return '<User %r>' % self.id
+
+class Book(db.Model):
+    isbn = db.Column(db.Integer, unique=True, primary_key=True,autoincrement=False)
+    name=db.Column(db.String(255))
+    author= db.Column(db.Text)
+    pub_date= db.Column(db.Date)
+    description =db.Column(db.Text)
+    cover =db.Column(db.Text)
+    trade_price =db.Column(db.Integer)
+    retail_price =db.Column(db.Integer)
+    stock = db.Column(db.Integer)
+
+    def __init__(self,isbn,name,author,pub_date,description,cover,trade_price,retail_price,stock ):
+        self.isbn = isbn
+        self.name = name
+        self.author  = author 
+        self.pub_date = pub_date
+        self.description = description
+        self.cover = cover
+        self.trade_price = trade_price
+        self.retail_price = retail_price
+        self.stock = stock
+
+    def __repr__(self):
+        return '<Book %r>' % self.isbn
+
+class Order(db.Model):
+    id = db.Column(db.Integer, unique=True, primary_key=True,autoincrement=True)
+    uid= db.Column(db.Integer,db.ForeignKey('user.id'))
+    total = db.Column(db.Integer) 
+    postage = db.Column(db.Integer) 
+
+    def __init__(self,uid,total,postage):
+        self.uid=uid
+        self.total=total 
+        self.postage = postage  
+
+    def __repr__(self):
+        return '<Order %r>' % self.id
+
+class Cart(db.Model):
+    id = db.Column(db.Integer, unique=True, primary_key=True,autoincrement=True)
+    uid= db.Column(db.Integer,db.ForeignKey('user.id'))
+    bid= db.Column(db.Integer,db.ForeignKey('book.isbn'))
+    num = db.Column(db.Integer) 
+    book = db.relationship('Book')
+
+    def __init__(self,uid,bid,num):
+        self.uid = uid
+        self.bid = bid
+        self.num = num
+
+    def __repr__(self):
+        return '<Cart %r>' % self.id
+
+DIRECTORY_PATH = 'media/'
+
+#Home Page
+@app.route('/')
+@app.route('/index', methods = ['GET'])
+def index():
+    if session.get('admin'):
+        return render_template('home.html')
+    else:
+        res=Book.query.filter( Book.stock > 0 ).all()   
+        return render_template('index.html',res=res)
+
+@app.route('/mycart') 
+def mycart():
+    res = Cart.query.filter_by(uid = session.get('uid')) 
+    total = sum([  i.book.retail_price*i.num  for i in res ]) if res else 0
+    return render_template('cart.html', res=res,total = total )
+
+
+@app.route('/add', methods = ['GET','POST'])
+def addstock():
+    if request.method == "POST":
+        isbn = request.form['isbn']
+        name = request.form['name']
+        author = request.form['author']
+        pub_date =  request.form['pub_date']
+        pub_date = date( int(pub_date.split('-')[0]),int(pub_date.split('-')[1]),int(pub_date.split('-')[2]) )
+        retail_price = request.form['retail_price']
+        trade_price = request.form['trade_price']
+        description = request.form['description']
+        quantity = request.form['quantity']
+        f = request.files['cover']
+        book = Book.query.filter_by(isbn = int(isbn)).first() 
+        if book:
+            book.name = name
+            book.author = author
+            book.pub_date = pub_date
+            book.retail_price = int(retail_price)
+            book.trade_price = int(trade_price)
+            book.description = description
+            book.quantity = int(quantity)
+            book.cover = '/static/img/'+f.filename
+            upload_path = os.path.join(basedir,'/static/img/',f.filename) 
+            f.save(upload_path)
+        else:
+            cover = '/static/img/'+f.filename
+            upload_path = basedir + cover
+            f.save(upload_path)
+            b = Book(isbn=int(isbn), name=name, author=author, pub_date=pub_date, description=description, cover=cover, trade_price=int(trade_price), retail_price=int(retail_price), stock = int(quantity) )
+            db.session.add(b)
+        db.session.commit()
+        return redirect('/stock') 
+    else:
+        return render_template('add.html') 
+
+
+@app.route('/stock')
+def stock():
+    books=Book.query.all() 
+    return render_template('stock.html',books=books) 
+
+
+@app.route('/clearall')
+def doclear():
+    uid = session.get('uid')
+    Cart.query.filter_by(uid=uid).delete() 
+    db.session.commit()
+    return redirect('/index')  
+
+@app.route('/gocheck')
+def docheck():
+    res = []
+    total_price = 0
+    postage = 0 
+    shortage = []
+    items = Cart.query.filter_by(uid = session.get('uid')) 
+    for item in items:
+        if item.num <= item.book.stock:
+            res.append(item)
+            postage += item.num 
+            total_price += item.num * item.book.retail_price
+        else:
+            shortage.append(item)
+    postage = 3 if postage == 1 else postage+2 
+    return render_template('check.html',res=res,total_price=total_price,postage=postage) 
+
+
+@app.route('/pay')
+def dopay():
+    total_price = 0
+    postage = 0 
+    items = Cart.query.filter_by(uid = session.get('uid')) 
+    for item in items:
+        if item.num <= item.book.stock:
+            book = Book.query.get(item.book.isbn) 
+            book.stock -= item.num
+            db.session.delete(item)
+            postage += item.num 
+            total_price += item.num * item.book.retail_price
+    total = total_price+3 if postage == 1 else total_price + postage + 2 
+    db.session.commit()
+    return render_template('pay.html',total=total)  
+
+@app.route('/delete', methods = ['GET'])
+def dodelete():
+    c = Cart.query.filter_by( id = int(request.args.get('cid')) ).first()
+    db.session.delete(c)
+    db.session.commit()
+    return redirect('/mycart')
+
+
+
+@app.route('/addtocart',methods = ['GET'])
+def add():
+    isbn = int(request.args.get('isbn'))
+    s = Cart.query.filter_by(uid=session.get('uid'),  bid = isbn).first()
+    if s:
+        s.num += 1
+        db.session.commit()
+    else:
+        c = Cart(uid=session.get('uid'), bid = isbn, num = 1)
+        db.session.add(c)
+        db.session.commit()
+    return redirect('/mycart')
+
+@app.route('/login',methods = ['GET', 'POST'])
+def login():
+    if request.method == 'POST':
+        uname=request.form['username']
+        pwd=request.form['password']
+        user = User.query.filter_by(username=uname,password=pwd).first()
+        if user:
+            session['logged_in'] = True
+            session['admin'] = True if uname == 'admin'  else False 
+            session['username'] = uname 
+            session['uid'] = user.id
+            return redirect('/index')
+        else:
+            return render_template('login.html',info="Incorrect username or password !")
+    else:
+        return render_template('login.html')
+
+
+#Sign out of session
+@app.route('/signout')
+def signout():
+    session.pop('username', None)
+    session.pop('admin', None)
+    session.pop('logged_in', None)
+    return redirect('/login')
+
+
+@app.before_request
+def before_request():
+    if request.path in ['/login','/signout','/reg']:
+        return None
+    if session.get('logged_in'):
+        return None
+    return redirect('/login') 
+
+@app.teardown_request
+def teardown_request(exception):
+    pass
+
+
+if __name__ == "__main__":
+    app.run(host='0.0.0.0', port=5000,debug=False )
+

templates/add.html

@@ -0,0 +1,121 @@
+<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8">
+<title>Book Shop</title>
+<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.0.0/css/bootstrap.min.css">
+<link href="https://cdn.bootcdn.net/ajax/libs/bootstrap-slider/9.9.1/css/bootstrap-slider.min.css" rel="stylesheet">
+<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
+</head>
+<body>
+    <nav class="navbar navbar-expand-lg bg-primary navbar-dark"  role="navigation">
+      <a class = "navbar-brand ml-md-4" href="#"  style="font-size: 22px;">
+        Book Shop 
+      </a>
+        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
+          <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse ml-md-4" id="navbarResponsive"> 
+          <ul class="navbar-nav">
+            <li class="nav-item  mr-3 active">
+              <a class="nav-link" href="/">Home 
+              </a>
+            </li>
+          </ul>
+
+          <ul class="navbar-nav ml-md-auto">
+              <li class="nav-item">
+                <a class="text-light  mr-3" href="#">Hello, {{session.username}}  </a> 
+                <a href="/signout" class="text-light" target="_blank">
+                 Sign Out
+                </a>
+
+              </li>   
+            </ul>
+        </div>
+    </nav>
+
+<div class="container-fluid">
+  <div class="row">
+
+      <div class="col-md-6 offset-3">
+         <br>
+         <br>
+         <h3>Add Stock:</h3>
+         <hr> 
+         <form action="/add"  method="post" enctype="multipart/form-data">
+          <div class="form-group">
+              <label>Name:</label>
+              <input name="name" class="form-control"  type="text" maxlength="200" required>
+          </div> 
+          <div class="form-group">
+            <label>Author:</label>
+            <input name="author" class="form-control"  type="text" maxlength="200" required>
+          </div> 
+          <div class="form-group">
+            <label>Publication Date:</label>
+            <input name="pub_date" class="form-control"  type="date"  required>
+          </div> 
+
+          <div class="form-group">
+              <label>Cover:</label>
+              <input name="cover" class="form-control"  type="file"  required>
+          </div> 
+          <div class="form-group">
+              <label>ISBN-13:</label>
+              <input name="isbn" class="form-control"  type="text" maxlength="13" required>
+          </div>  
+          <div class="form-group">
+            <label>Trade Price:</label>  &emsp;
+            <input id="ex1" name="trade_price" data-slider-id='ex1Slider' type="text" data-slider-min="0" data-slider-max="100" data-slider-step="1" data-slider-value="0"/>  &emsp;
+            <span id="ex1_val"></span>
+        </div>  
+        <div class="form-group">
+          <label>Retail Price:</label>  &emsp;
+          <input id="ex2" name="retail_price" data-slider-id='ex2Slider' type="text" data-slider-min="0" data-slider-max="100" data-slider-step="1" data-slider-value="0"/>  &emsp;
+          <span id="ex2_val"></span>
+        </div>  
+        <div class="form-group">
+          <label>Quantity:</label> &emsp;
+          <input id="ex3" name="quantity" data-slider-id='ex3Slider' type="text" data-slider-min="0" data-slider-max="20" data-slider-step="1" data-slider-value="0"/>  &emsp;
+          <span id="ex3_val"></span>
+        </div>        
+        <div class="form-group">
+          <label>Description:</label>
+                <textarea class="form-control"  name="description" cols="50" rows="10" ></textarea>
+        </div>
+            <button class="btn btn-primary float-right" type="submit" > Submit  </button>
+
+      </form>       
+     </div>
+  </div>
+  <br>
+  <hr>
+</div>  
+<div class="row">
+  <br>
+  <div class="col text-center">© 2021 Book Shop</div>
+  <br>
+</div>
+<script src="https://cdn.bootcdn.net/ajax/libs/bootstrap-slider/9.9.1/bootstrap-slider.min.js"></script>
+<script src="https://cdn.bootcss.com/bootstrap/4.0.0/js/bootstrap.min.js" crossorigin="anonymous"></script>
+<script>
+  $('#ex1').slider({
+	formatter: function(value) {
+		$('#ex1_val').html( '&pound;'+value); 
+	}
+});
+$('#ex2').slider({
+	formatter: function(value) {
+    $('#ex2_val').html( '&pound;'+value); 
+	}
+});
+$('#ex3').slider({
+	formatter: function(value) {
+    $('#ex3_val').html(value); 
+	}
+});
+
+</script>
+</body>
+</html>