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app.py
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app.py
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"""Movie Ratings."""
from jinja2 import StrictUndefined
from flask import (Flask, jsonify, render_template, redirect, request, flash,
session)
from flask_debugtoolbar import DebugToolbarExtension
from model import connect_to_db, db, User, Movie, Rating
from utils import get_community_info, get_movie_for_comm, get_similar_movie
app = Flask(__name__)
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
# Required to use Flask sessions and the debug toolbar
app.secret_key = "mysecret"
# Normally, if you use an undefined variable in Jinja2, it fails
# silently. This is horrible. Fix this so that, instead, it raises an
# error.
app.jinja_env.undefined = StrictUndefined
# We have to set debug=True here, since it has to be True at the
# point that we invoke the DebugToolbarExtension
app.debug = False
connect_to_db(app)
# Use the DebugToolbar
DebugToolbarExtension(app)
@app.route('/')
def index():
"""Homepage."""
return render_template("homepage.html")
@app.route("/users")
def user_list():
"""Show list of users."""
users = User.query.all()
return render_template("user_list.html", users=users)
@app.route("/users/<user_id>")
def show_user_page(user_id):
"""Show individual user's info"""
user = User.query.get(user_id)
ratings_list = db.session.query(Rating.score, Movie.title, Movie.imdb_url).join(Movie).filter(Rating.user_id==user_id).all()
movie_id = Rating.query.filter_by(user_id=user.user_id).all()
sim_movie=[]
#print(movie_id[0])
for i in movie_id:
print(i.movie_id)
sim_movie.append(get_similar_movie(i.movie_id))
result=get_community_info()
com_id=None
if result[0].get(user_id) != None:
com_id = result[0].get(user_id)
return render_template("user_page.html", user=user, ratings_list=ratings_list,com_id=com_id, sim_movie=sim_movie)
@app.route("/movies")
def movie_list():
"""Show list of movies."""
movies = Movie.query.order_by('title').all()
return render_template("movie_list.html", movies=movies)
@app.route("/movies/<movie_id>")
def show_movie_page(movie_id):
"""Show individual movie's info"""
movie = Movie.query.get(movie_id)
user_id = session.get("user_id")
if user_id:
user_rating = Rating.query.filter_by(
movie_id=movie_id, user_id=user_id).first()
else:
user_rating = None
# Get average rating of movie
avg_rating = 0
prediction = None
return render_template(
"movie_page.html",
movie=movie,
user_rating=user_rating,
average=avg_rating,
prediction=prediction
)
@app.route("/movies/<movie_id>", methods=["POST"])
def rate_movie_page(movie_id):
"""Show individual movie's info"""
new_score = request.form.get("movie-rating")
movie = Movie.query.get(movie_id)
user_id=session["user_id"]
rating = Rating.query.filter((Rating.user_id==user_id) & (Rating.movie_id==movie_id)).first()
if not rating:
rating = Rating(score=new_score, user_id=user_id, movie_id=movie_id)
else:
rating.score = new_score
db.session.add(rating)
db.session.commit()
return redirect("/movies/%s" % movie_id)
@app.route("/login")
def show_login():
"""Shows the log-in form"""
return render_template("login_form.html")
@app.route("/login", methods=["POST"])
def login_process():
"""Processes the login information"""
email = request.form.get("email")
password = request.form.get("password")
user = User.query.filter_by(email=email).first()
if not user:
flash("Email does not exist. Please try again or register.")
return redirect("/login")
elif user and (user.password == password):
flash("Login Successful.")
session['user_id'] = user.user_id
return redirect("/users/" + str(user.user_id))
else:
flash("Password incorrect. Please try again.")
return redirect("/login")
@app.route("/logout")
def show_logout():
"""Shows the logout option"""
flash("Logged out. Thanks for visiting Ratings!")
del session['user_id']
return redirect("/")
@app.route("/register")
def show_registration():
"""Shows the registration form"""
return render_template("register_form.html")
@app.route("/communities",methods=["GET"])
def communities():
"""Shows Communities"""
result=get_community_info()
communities=result[1]
new_communities=dict()
for i,j in communities.items():
l=get_movie_for_comm(i)
if new_communities.get(i) == None:
new_communities[i] = {'movies':l, 'members':j}
return render_template("communities.html",communities=new_communities)
@app.route("/register", methods=["POST"])
def registration_process():
"""Processes the registration information"""
email = request.form.get("email")
password = request.form.get("password")
age = request.form.get("age")
if age:
age = int(age)
else:
age=None
zipcode = request.form.get("zipcode")
user = User.query.filter_by(email=email).first()
if user:
flash("You're already in our system. Please login.")
return redirect("/login")
else:
#send info to update User database
user = User(email=email, password=password, age=age, zipcode=zipcode)
db.session.add(user)
db.session.commit()
session['user_id'] = user.user_id
#redirect to home
flash("Registration Successful. Welcome to Ratings!")
return redirect("/")
if __name__ == "__main__":
app.run()