diff --git a/app.py b/app.py
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+++ b/app.py
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+from flask import Flask
+from flask import render_template # using render_template to have the html code in different files
+from flask_sqlalchemy import SQLAlchemy # database library for flask
+from flask_wtf import FlaskForm # form library for flask
+from wtform import StringField, SubmitField #library form
+from forms import RegisterForm #register form used to add books to the stock
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI']= 'sqlite:///books.db' #confgurating a database
+app.config['SECRET_KEY']='f4e41413da3eb27b9fb55eda' #creating a secret key for addbook function
+db = SQLAlchemy(app)
+
+#models
+class User(db.Model):   #creating a User class for the database that contains the user information
+    id = db.Column(db.Integer(), primary_key=1)  #primary key for this database
+    username = db.Column(db.String(length=20), nullable=0, unique=1)
+    password = db.Column(db.String(length=20), nullable=0)
+    
+    
+class Book(db.Model):   #creating a book class for the database that contains the information about books for the store
+    barcode = db.Column(db.String(length=12), nullable=0, primary_key=1) # setting the ISBN 13 number as the primary key for the database
+    title = db.Column(db.String(length=50), nullable=0, unique=1)
+    author = db.Column(db.String(length=50), nullable=0)
+    publicationDate = db.Column(db.String(length=10), nullable=0)
+    quantity = db.Column(db.Integer(), nullable=0)
+    description = db.Column(db.String(length=1000), nullable=0)
+    tradePrice = db.Column(db.String(length=10), nullable=0)
+    retailPrice = db.Column(db.String(length=10), nullable=0)
+
+    
+#routes
+@app.route("/login") #route for login page
+def login_page():
+    return render_template("login.html")
+    
+    
+@app.route("/home") #route home page
+@app.route("/")     #added to routes for the default page and when /home is added
+def home_page():
+     return render_template("home.html")
+@app.route("/stock")
+def stock_page(): #route to the page showing all the available books
+    books=Book.query.all()
+    return render_template("stock.html", books=books)
+    
+@app.route("/addstock")
+def addStock_page(): # route to the page for adding books to the database
+    form = RegisterForm() #using jinja to send the register form to the website
+    return render_template('addstock.html', form=form)
+    
+#forms
+
+class AddBook(FlaskForm):   # class created to add more books used on the add stock page
+    barcode = StringField(label='barcode')
+    title = StringField(label='title')
+    author = StringField(label='author')
+    publicationDate = StringField(label=' Publication Date')
+    quantity = StringField(label=' quantity')
+    description = StringField(label='description')
+    tradePrice = StringField(label='Trade Price')
+    retailPrice = StringField(label='Retail Price')
+    submit = SubmitField(label='submit') #submit field