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server.py
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server.py
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from jinja2 import StrictUndefined
import requests
import json
import xml.etree.ElementTree
from mygpoclient import public
from flask import (Flask, render_template, redirect, request,
flash, session, jsonify, abort, g)
from flask_debugtoolbar import DebugToolbarExtension
from sqlalchemy import func
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy.orm import joinedload
from model import (connect_to_db, db, User, Playlist, Track,
TrackPlaylist, Friendship)
import flask_login
from flask_uploads import UploadSet, configure_uploads, IMAGES
import os
app = Flask(__name__)
app.secret_key = "MySecretKey"
app.jinja_env.undefined = StrictUndefined
#---------------------------FLASK-LOGIN-------------------------------
login_manager = flask_login.LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
photos = UploadSet('photos', IMAGES)
app.config['UPLOADED_PHOTOS_DEST'] = 'static/images'
configure_uploads(app, photos)
@login_manager.user_loader
def load_user(user_id):
return User.query.get(int(user_id))
@login_manager.request_loader
def request_loader(request):
username = request.form.get('username')
my_user = User.query.filter_by(username=username).first()
if not my_user:
return
user = FlaskUser()
user.id = username
user.is_authenticated = request.form.get('password') == my_user.password
return user
@app.route('/registration', methods=['GET', 'POST'])
def register():
if request.method == 'GET':
return render_template('registration_form.html')
user = User(username=request.form.get('username'),
password=request.form.get('password'),
email=request.form.get('email'),
fname=request.form.get('fname'),
lname=request.form.get('lname'))
db.session.add(user)
db.session.commit()
flash('Registration successful.')
return redirect('/login')
@app.route('/login', methods=['GET', 'POST'])
def login():
if request.method == 'GET':
return render_template('homepage.html')
username = request.form.get('username')
password = request.form.get('password')
user = User.query.filter_by(username=username, password=password).first()
if user is None:
flash('Username or password is invalid.')
return redirect('/login')
session['username'] = username
flask_login.login_user(user)
flash('Logged in.')
return redirect(request.args.get('next') or '/user')
@app.route('/protected')
@flask_login.login_required
def protected():
return 'Logged in as: {}'.format(flask_login.current_user.username)
@app.route('/logout')
def logout():
flask_login.logout_user()
session.pop('username')
return redirect('/login')
@app.before_request
def before_request():
g.user = flask_login.current_user
@app.route("/")
def show_login():
""" Show login page. """
if session.get('username'):
return redirect('/user')
return render_template("homepage.html")
def show_playlists():
""" Show a list of all the user's playlists. """
username = session.get('username')
user = User.query.filter_by(username=username).first()
playlists = []
user_id = user.user_id
playlists = Playlist.query.filter_by(user_id=user_id).all()
return playlists
@app.route("/user")
@flask_login.login_required
def show_profile():
""" Show user's profile page. """
username = session.get('username')
user = User.query.filter_by(username=username).first()
friends = []
for friend in user.friends:
friends.append(User.query.filter_by(user_id=friend.user_two_id).first())
playlists = show_playlists()
return render_template("user_profile.html",
user=user,
playlists=playlists,
friends=friends)
@app.route('/upload', methods=['POST', 'GET'])
@flask_login.login_required
def upload_photo():
""" Update user's profile image. """
username = session.get('username')
user = User.query.filter_by(username=username).first()
if request.method == 'POST' and 'photo' in request.files:
filename = photos.save(request.files['photo'])
image_name = username + "-" + filename
os.rename('static/images/{}'.format(filename), 'static/images/{}'.format(image_name))
user.image = image_name
db.session.commit()
flash("Photo uploaded successfully.")
return redirect('/user')
def get_podcasts(search_terms):
""" Make request to iTunes and return result. """
payload = {
'term': search_terms,
'limit': 5,
'entity': 'podcast',
'kind': 'podcast-episode'
}
response = requests.get('https://itunes.apple.com/search',
params=payload).json()
return response
@app.route("/search")
@flask_login.login_required
def search_podcasts():
""" Search podcasts by name/keyword. """
search_input = request.args.get('q')
search_list = search_input.split()
search_terms = "+".join(search_list)
# -------------------ITUNES REQUEST--------------------------
response = get_podcasts(search_terms)
results = response['results']
# Parse xml file returned to retrieve individual track info
for result in results:
if (result.get('feedUrl')):
xml_url = result['feedUrl']
doc = requests.get(xml_url)
if doc.text:
root = xml.etree.ElementTree.fromstring(doc.text)[0]
enclosures = []
titles = []
elems = []
for item in root.findall('item'):
enclosures.extend(item.findall('enclosure'))
titles.extend(item.findall('title'))
count = 0
if (len(titles)==len(enclosures)):
for i in range(len(titles)):
count += 1
elems.append((enclosures[i].attrib['url'], titles[i].text, count))
src_lst = []
for enclosure in enclosures:
audio_src = enclosure.attrib['url']
result['elements'] = elems
else:
results = []
collections = []
for result in results:
if result['collectionName'] not in collections:
collections.append(result['collectionName'])
# --------------------GPODDER REQUEST------------------------
client = public.PublicClient()
gpo_objects = client.search_podcasts(search_input)
gpo_response = []
titles = []
for obj in gpo_objects:
if obj.title not in collections and obj.title not in titles:
gpo_response.append(obj)
titles.append(obj.title)
if show_playlists():
playlists = show_playlists()
else:
playlists = []
return render_template("search_results.html",
results=results,
playlists=playlists)
@app.route("/top-podcasts")
@flask_login.login_required
def get_top_rated():
""" Returns a list of the 50 top podcasts and number of subscribers. """
client = public.PublicClient()
top_podcasts = {}
if client.get_toplist():
toplist_results = client.get_toplist()
for index, entry in enumerate(toplist_results):
top_podcasts[(index + 1)] = [entry.title, entry.logo_url]
return render_template("top_podcasts.html", top_podcasts=top_podcasts)
@app.route("/add-playlist", methods=['POST'])
@flask_login.login_required
def add_new_playlist():
""" Add a new playlist. """
title = request.form.get("playlist-name")
username = session.get('username')
user = User.query.filter_by(username=username).first()
user_id = user.user_id
playlist = Playlist(user_id=user_id, title=title)
db.session.add(playlist)
db.session.commit()
playlists = Playlist.query.filter_by(user_id=user_id).all()
flash("Playlist added.")
return redirect("/user")
@app.route("/add-track", methods=['POST'])
@flask_login.login_required
def add_track():
""" Add a track to the user's chosen playlist and creates track-playlist relationship. """
artist = request.form.get("artist")
title = request.form.get("title")
rss = request.form.get("rss")
img = request.form.get("img")
playlist_title = request.form.get("playlist")
track = Track(artist=artist, title=title, audio=rss, img=img)
db.session.add(track)
db.session.commit()
new_track = Track.query.filter_by(audio=rss).first()
track_id = new_track.track_id
playlist = Playlist.query.filter_by(title=playlist_title).first()
playlist_id = playlist.playlist_id
track_playlist = TrackPlaylist(track_id=track_id, playlist_id=playlist_id)
db.session.add(track_playlist)
db.session.commit()
return redirect("/user")
@app.route("/delete-playlist", methods=['POST'])
@flask_login.login_required
def delete_playlist():
""" Allow users to delete a playlist. """
playlist_id = request.form.get("playlist_id")
playlist = Playlist.query.filter_by(playlist_id=playlist_id).first()
track_playlists = TrackPlaylist.query.filter_by(playlist_id=playlist_id).all()
for tp in track_playlists:
db.session.delete(tp)
db.session.commit()
db.session.delete(playlist)
db.session.commit()
flash("Playlist deleted.")
return redirect("/user")
@app.route("/delete-track", methods=['POST'])
@flask_login.login_required
def delete_track():
""" Allow users to delete a track from a playlist. """
track_id = request.form.get("track_id")
track = Track.query.filter_by(track_id=track_id).first()
track_playlist = TrackPlaylist.query.filter_by(track_id=track_id).first()
db.session.delete(track_playlist)
db.session.commit()
db.session.delete(track)
db.session.commit()
flash("Track deleted.")
return redirect("/user")
@app.route("/search-users")
@flask_login.login_required
def search_users():
""" Search users in database by username. """
friend_username = request.args.get("search-friends")
users = User.query.filter(User.username.like('%{}%'.format(friend_username))).all()
if users:
return render_template("/search_users.html", users=users)
flash("No users with that username.")
return redirect("/user")
@app.route("/add-friend", methods=['POST'])
@flask_login.login_required
def add_friend():
""" Add friend. """
friend_username = request.form.get("username")
friend = User.query.filter_by(username=friend_username).first()
user_username = session.get('username')
user_one = User.query.filter_by(username=user_username).first()
user_id = user_one.user_id
if friend:
friend_id = friend.user_id
new_friend = Friendship(user_one_id=user_id, user_two_id=friend_id)
db.session.add(new_friend)
db.session.commit()
flash("Friend added.")
else:
flash("Friend not successfully added.")
return redirect("/user")
@app.route("/friend")
@flask_login.login_required
def show_friend_profile():
""" Show profile/playlists of a profile the user is following. """
friend_id = request.args.get("friend_id")
friend = User.query.filter_by(user_id=friend_id).first()
username = session.get('username')
user = User.query.filter_by(username=username).first()
if friend.user_id == user.user_id:
return redirect('/user')
playlists = []
if friend.playlists:
playlists = friend.playlists
friend_objects = friend.friends
friend_ids = []
for friend_obj in friend_objects:
friend_ids.append(friend_obj.user_two_id)
friends = []
for f_id in friend_ids:
friend_obj = User.query.filter_by(user_id=f_id).first()
friends.append(friend_obj)
if friend:
return render_template("friend_profile.html", friend=friend,
playlists=playlists, friends=friends)
else:
flash("Page not available.")
return redirect("/")
@app.route("/events")
@flask_login.login_required
def show_search_events():
username = session['username']
user = User.query.filter_by(username=username).first()
playlists = []
if user:
user_id = user.user_id
playlists = Playlist.query.filter_by(user_id=user_id).all()
artists = []
for playlist in playlists:
for track in playlist.tracks:
if track.artist not in artists:
artists.append(track.artist)
events = []
return render_template("event_search.html", artists=artists, events=events)
def get_events(location, search_input):
search_list = search_input.split()
search_terms = "+".join(search_list)
from eventbrite import Eventbrite
eventbrite = Eventbrite('YHXAIYNKIL7WNRQDO4LX')
data = {
'location.address': location,
'q': search_terms,
}
events = eventbrite.get('/events/search/', data=data)
return events
@app.route("/search-events")
@flask_login.login_required
def search_events():
""" Use Eventbrite API to search events related to user's podcasts. """
location = request.args.get("location")
search_input = request.args.get("search-terms")
events = get_events(location, search_input)
if events.get('events'):
events = events['events']
if len(events) > 10:
events = events[:10]
else:
events = []
artists = []
return render_template("event_search.html", events=events, artists=artists)
if __name__ == "__main__":
app.debug = False
# make sure templates, etc. are not cached in debug mode
# app.jinja_env.auto_reload = app.debug
connect_to_db(app)
# Use the DebugToolbar
# DebugToolbarExtension(app)
app.run(port=5000, host='0.0.0.0')