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server.py
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server.py
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"""Podcast Storybook."""
from jinja2 import StrictUndefined
from flask import Flask, render_template, redirect, request, flash, session, json, jsonify
from flask_bootstrap import Bootstrap
from flask_debugtoolbar import DebugToolbarExtension
from json import dumps
from model import Podcast, Event, User, Comment, connect_to_db, db
import requests
import os
# Import NPR API KEY
npr_auth_token = os.environ['NPR_AUTH_TOKEN']
app = Flask(__name__)
# Required to use Flask sessions and the debug toolbar
app.secret_key = os.environ.get("FLASK_SECRET_KEY","ABC")
# Prevent jinja from failing silently
app.jinja_env.undefined = StrictUndefined
@app.route('/')
def root_route():
return redirect('/podcasts')
@app.route('/podcasts')
def podcasts_index():
""" Homepage """
podcasts = Podcast.query.order_by(Podcast.podcast_id.asc())
user_id = session.get('user_id')
user = db.session.query(User.name, User.profile_image, User.facebook).filter(User.user_id==user_id).first()
return render_template("podcasts/index.html", podcasts=podcasts, user=user)
@app.route('/login')
def login():
""" Login """
return render_template('login.html')
@app.route('/logout')
def logout():
""" Logout """
session.clear()
return render_template('logout.html')
@app.route('/login-fb', methods=['POST'])
def login_fb():
user_name = request.form['user_name']
facebook = request.form['facebook_id']
user = db.session.query(User.user_id).filter(User.facebook==facebook).first()
image = None
if user == None:
user = User(image, user_name, facebook)
db.session.add(user)
db.session.commit()
session['user_id'] = user.user_id
return jsonify("")
@app.route('/images/<int:podcast_id>.json')
def show_image_json(podcast_id):
""" Show carousel images """
image_data = db.session.query(Event.image_url, Event.start_at, Event.end_at, Event.link).filter(Event.podcast_id==podcast_id).all()
images = []
podcast = Podcast.query.get(podcast_id)
title_image = podcast.image
title_attrs = { "image_url": title_image, "start_at": 0, "end_at": 0, "link": None }
images.append(title_attrs)
for data in image_data:
image_attrs = { "image_url": data[0], "start_at": data[1], "end_at": data[2], "link": data[3] }
images.append(image_attrs)
result = { "data": images }
return jsonify(result)
@app.route('/podcasts/<int:podcast_id>')
def show_podcast(podcast_id):
""" Show podcast user has selected """
podcast = Podcast.query.get(podcast_id)
comments = Comment.query.filter(Comment.podcast_id==podcast_id).order_by(Comment.comment_id.desc())
user_id = session.get('user_id')
user = db.session.query(User.name, User.profile_image, User.facebook).filter(User.user_id==user_id).first()
return render_template("podcasts/show.html", comments=comments, podcast=podcast, user=user, user_id=user_id)
@app.route('/planet_money')
def planet_money():
""" API call to NPR Planet Money to get 10 most recent episodes """
url = 'http://api.npr.org/query?apiKey=' + npr_auth_token + '&numResults=10&format=json&id=94427042&requiredAssets=audio&requiredAssets=text&requiredAssets=image'
r = requests.get(url)
jdict = r.json()
# Parse a story returned from query
for story in jdict['list']['story']:
title = story['title']['$text']
description = story['teaser']['$text']
show = None
if 'show' in story:
show = story['show'][0]['program']['$text']
image = story['image'][0]['src']
image_caption = None
if 'caption' in story:
image_caption = story['image'][0]['caption']['$text']
audio = story['audio'][0]['format']['mp3'][0]['$text']
new_podcast = Podcast(title, show, description, audio, image, image_caption)
db.session.add(new_podcast)
db.session.commit()
print "Success!"
@app.route('/podcasts/<int:podcast_id>/comments', methods=['POST'])
def add_comment(podcast_id):
""" Add comment to db """
comment = request.form['text']
user_id = session.get('user_id')
user = db.session.query(User.name, User.profile_image).filter(User.user_id==user_id).first()
new_comment = Comment(comment, podcast_id, user_id)
db.session.add(new_comment)
db.session.commit()
return redirect('/podcasts/' + str(podcast_id) + '/comments')
@app.route('/podcasts/<int:podcast_id>/comments')
def comments_index(podcast_id):
comments = Comment.query.filter(Comment.podcast_id==podcast_id)
comment_data = []
for comment in comments:
author = comment.user.name
text = comment.comment
key = comment.comment_id
profile_image = comment.user.profile_image
created_at = comment.created_at
data = { 'key': key, 'author': author, 'text': text, 'author_profile_image_url': profile_image, 'created_at': created_at }
comment_data.insert(0, data)
return jsonify(data=comment_data)
@app.route('/podcasts/new')
def new_podcast():
""" Show user podcast upload form """
user_id = session.get('user_id')
user = db.session.query(User.name, User.profile_image, User.facebook).filter(User.user_id==user_id).first()
return render_template("podcasts/new.html", user=user)
@app.route('/podcasts', methods=['POST'])
def create_podcast():
""" Create podcast """
title = request.form['title']
show = request.form['show']
description = request.form['description']
audio = request.form['audio']
image = request.form['image']
caption = request.form['caption']
attrs = {}
for key in request.form:
values = key.split('_')
if values[0] == 'resource':
if values[1] not in attrs:
attrs[values[1]] = {}
attrs[values[1]][values[2]] = request.form[key]
new_podcast = Podcast(title, show, description, audio, image, caption)
db.session.add(new_podcast)
db.session.commit()
id = str(new_podcast.podcast_id)
for index in attrs:
start = attrs[index]['start']
end = attrs[index]['end']
image = attrs[index]['image']
external_url = attrs[index]['external-url']
new_resource = Event(start, end, image, external_url, new_podcast.podcast_id)
db.session.add(new_resource)
db.session.commit()
return redirect("/podcasts/" + id)
@app.route('/podcasts/<int:podcast_id>/resources', methods=['POST'])
def save_podcast(podcast_id):
""" Add resource to db """
image = request.form['image']
external_resource = request.form['external-url']
start = request.form['start']
end = request.form['end']
new_resource = Event(start, end, image, external_resource, podcast_id)
db.session.add(new_resource)
db.session.commit()
return redirect('/podcasts/' + podcast_id)
if __name__ == "__main__":
from doctest import testmod
if testmod().failed == 0:
app.debug = False
connect_to_db(app)
# Use the DebugToolbar
DebugToolbarExtension(app)
PORT = int(os.environ.get("PORT", 5000))
app.run(debug=False, host="0.0.0.0", port=PORT)