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app.py
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app.py
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#----------------------------------------------------------------------------#
# Imports
#----------------------------------------------------------------------------#
import json
import dateutil.parser
import babel
from flask import Flask, render_template, request, Response, flash, redirect, url_for, abort
from flask_moment import Moment
from flask_sqlalchemy import SQLAlchemy
import logging
from logging import Formatter, FileHandler
from flask_wtf import Form
from forms import *
from flask_migrate import Migrate
from datetime import datetime
import sys
#----------------------------------------------------------------------------#
# App Config.
#----------------------------------------------------------------------------#
app = Flask(__name__)
moment = Moment(app)
app.config.from_object('config')
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql://ragu@localhost:5432/fyyurapp'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
db = SQLAlchemy(app)
migrate = Migrate(app, db)
#----------------------------------------------------------------------------#
# Models.
#----------------------------------------------------------------------------#
class Venue(db.Model):
__tablename__ = 'Venue'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String, nullable=False)
city = db.Column(db.String(120), nullable=False)
state = db.Column(db.String(120), nullable=False)
address = db.Column(db.String(120), nullable=False)
phone = db.Column(db.String(120), nullable=False)
image_link = db.Column(db.String(500), nullable=False)
facebook_link = db.Column(db.String(120), nullable=False)
website = db.Column(db.String(120))
seeking_talent = db.Column(db.Boolean, nullable=False, default=False)
seeking_description = db.Column(db.String(120))
genres = db.Column(db.ARRAY(db.String()), nullable=False)
shows = db.relationship('Show', backref='Venue', lazy=True)
def __repr__(self):
return f'<{self.id} {self.name}>'
class Artist(db.Model):
__tablename__ = 'Artist'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String, nullable=False)
city = db.Column(db.String(120), nullable=False)
state = db.Column(db.String(120), nullable=False)
phone = db.Column(db.String(120), nullable=False)
genres = db.Column(db.ARRAY(db.String()), nullable=False)
image_link = db.Column(db.String(500), nullable=False)
facebook_link = db.Column(db.String(120), nullable=True)
website = db.Column(db.String(120))
seeking_venue = db.Column(db.Boolean, nullable=False, default=False)
seeking_description = db.Column(db.String(120))
shows = db.relationship('Show', backref='Artist', lazy=True)
class Show(db.Model):
__tablename__ = 'Show'
id = db.Column(db.Integer, primary_key=True)
start_time = db.Column(db.DateTime, nullable=False)
artist_id = db.Column(db.Integer, db.ForeignKey(
'Artist.id'), nullable=False)
venue_id = db.Column(db.Integer, db.ForeignKey('Venue.id'), nullable=False)
#----------------------------------------------------------------------------#
# Filters.
#----------------------------------------------------------------------------#
def format_datetime(value, format='medium'):
date = dateutil.parser.parse(value)
if format == 'full':
format = "EEEE MMMM, d, y 'at' h:mma"
elif format == 'medium':
format = "EE MM, dd, y h:mma"
return babel.dates.format_datetime(date, format)
app.jinja_env.filters['datetime'] = format_datetime
#----------------------------------------------------------------------------#
# Controllers.
#----------------------------------------------------------------------------#
@app.route('/')
def index():
return render_template('pages/home.html')
# Venues
# ----------------------------------------------------------------
@app.route('/venues')
def venues():
cities = Venue.query.distinct('city').all()
data = []
for city in cities:
values = {}
values['city'] = city.city
values['state'] = city.state
venueLists = Venue.query.filter_by(city=city.city).order_by('id').all()
venues = []
for show in venueLists:
num_upcoming_shows = 0
shows = Show.query.filter_by(venue_id=show.id).all()
for sh in shows:
if (sh.start_time > datetime.today()):
num_upcoming_shows += 1
venueList = {}
venueList['id'] = show.id
venueList['name'] = show.name
venueList['num_upcoming_shows'] = num_upcoming_shows
venues.append(venueList.copy())
values['venues'] = venues
data.append(values.copy())
return render_template('pages/venues.html', areas=data)
@app.route('/venues/search', methods=['POST'])
def search_venues():
search_venue = request.form.get('search_term')
venues = Venue.query.filter(Venue.name.ilike('%'+search_venue+'%'))
data = []
for venue in venues:
num_upcoming_shows = 0
shows = Show.query.filter_by(venue_id=venue.id).all()
for sh in shows:
if (sh.start_time > datetime.today()):
num_upcoming_shows += 1
values = {}
values['id'] = venue.id
values['name'] = venue.name
values['num_upcoming_shows'] = num_upcoming_shows
data.append(values.copy())
response = {
"count": len(data)
}
response["data"] = data
return render_template('pages/search_venues.html', results=response, search_term=request.form.get('search_term', ''))
@app.route('/venues/<int:venue_id>')
def show_venue(venue_id):
try:
showLists = Show.query.join(Venue).join(Artist).add_columns(Show.id.label('show_id'), Venue.id.label('venue_id'), Artist.id.label('artist_id'), Artist.name.label(
'artist_name'), Artist.seeking_venue.label('artist_seeking_venue'), Artist.seeking_description.label('artist_seeking_description'), Artist.website.label('artist_website'), Artist.facebook_link.label('artist_facebook_link'), Artist.state.label('artist_state'), Artist.phone.label('artist_phone'), Artist.city.label('artist_city'), Artist.genres.label('artist_genres'), Artist.image_link.label('artist_image_link'), Show.start_time, Venue.name.label('venue_name'), Venue.image_link.label('venue_image_link')).filter(Show.venue_id == venue_id).all()
venuList = Venue.query.filter(Venue.id == venue_id).one_or_none()
if venuList is None:
abort(404)
showList = []
upcomingShowList = []
if len(showLists) > 0:
for show in showLists:
if (show.start_time < datetime.today()):
past_shows = {}
past_shows['artist_id'] = show.artist_id
past_shows['artist_name'] = show.artist_name
past_shows['artist_image_link'] = show.artist_image_link
past_shows['start_time'] = show.start_time.strftime(
"%Y-%m-%dT%H:%M:%f")
showList.append(past_shows.copy())
else:
upcoming_shows = {}
upcoming_shows['artist_id'] = show.artist_id
upcoming_shows['artist_name'] = show.artist_name
upcoming_shows['artist_image_link'] = show.artist_image_link
upcoming_shows['start_time'] = show.start_time.strftime(
"%Y-%m-%dT%H:%M:%f")
upcomingShowList.append(upcoming_shows.copy())
data = {
"id": venuList.id,
"name": venuList.name,
"genres": venuList.genres,
"address": venuList.address,
"city": venuList.city,
"state": venuList.state,
"phone": venuList.phone,
"website": venuList.website,
"facebook_link": venuList.facebook_link,
"seeking_talent": venuList.seeking_talent,
"seeking_description": venuList.seeking_description,
"image_link": venuList.image_link,
"past_shows_count": len(showList),
"upcoming_shows_count": len(upcomingShowList),
}
data["past_shows"] = showList
data["upcoming_shows"] = upcomingShowList
return render_template('pages/show_venue.html', venue=data)
except:
abort(404)
# Create Venue
# ----------------------------------------------------------------
@app.route('/venues/create', methods=['GET'])
def create_venue_form():
form = VenueForm()
return render_template('forms/new_venue.html', form=form)
@app.route('/venues/create', methods=['POST'])
def create_venue_submission():
error=False
try:
name = request.form['name']
VenueForm().validate_phone(VenueForm, VenueForm().phone)
VenueForm().validate_genres(VenueForm, VenueForm().genres)
city = request.form['city']
state= request.form['state']
address= request.form['address']
phone = request.form['phone']
genres = request.form.getlist('genres')
seeking_talent_exist = request.form.get('seeking_talent', None)
if seeking_talent_exist is None:
seeking_talent = False
else:
seeking_talent = True
seeking_description = request.form['seeking_description']
image_link = request.form['image_link']
website = request.form['website']
facebook_link = request.form['facebook_link']
venue = Venue(name=name, city=city, state=state, phone=phone, address=address, genres=genres, image_link=image_link,
facebook_link=facebook_link, seeking_description=seeking_description, seeking_talent=seeking_talent, website=website )
db.session.add(venue)
db.session.commit()
except Exception as e:
error=True
db.session.rollback()
print(sys.exc_info())
flash('An error occurred. Venue ' + name + ' could not be listed due to ' + str(e))
finally:
db.session.close()
if not error:
flash('Venue ' + name + ' was successfully listed!')
return render_template('pages/home.html')
@app.route('/venues/<venue_id>', methods=['DELETE'])
def delete_venue(venue_id):
error=False
try:
venuList = Venue.query.filter(Venue.id == venue_id).one_or_none()
if venuList is None:
abort(404)
Show.query.filter_by(venue_id=venue_id).delete()
Venue.query.filter_by(id=venue_id).delete()
db.session.commit()
except Exception as e:
error=True
db.session.rollback()
print(sys.exc_info())
flash('An error occurred. Venue with ID '+ venue_id +' could not be deleted.')
finally:
db.session.close()
if not error:
flash('Venue with ID '+ venue_id +' is successfully deleted!')
return redirect(url_for('index'))
# Artists
# ----------------------------------------------------------------
@app.route('/artists')
def artists():
data = Artist.query.order_by('id').all()
return render_template('pages/artists.html', artists=data)
@app.route('/artists/search', methods=['POST'])
def search_artists():
search_artist = request.form.get('search_term')
artists = Artist.query.filter(Artist.name.ilike('%'+search_artist+'%'))
data = []
for artist in artists:
num_upcoming_shows = 0
shows = Show.query.filter_by(artist_id=artist.id).all()
for sh in shows:
if (sh.start_time > datetime.today()):
num_upcoming_shows += 1
values = {}
values['id'] = artist.id
values['name'] = artist.name
values['num_upcoming_shows'] = num_upcoming_shows
data.append(values.copy())
response = {
"count": len(data)
}
response["data"] = data
return render_template('pages/search_artists.html', results=response, search_term=request.form.get('search_term', ''))
@app.route('/artists/<int:artist_id>')
def show_artist(artist_id):
try:
showLists = Show.query.join(Venue).join(Artist).add_columns(Show.id.label('show_id'), Venue.id.label('venue_id'), Artist.id.label(
'artist_id'), Show.start_time, Venue.name.label('venue_name'), Venue.image_link.label('venue_image_link')).filter(Show.artist_id == artist_id).all()
artistList = Artist.query.filter(Artist.id == artist_id).one_or_none()
if artistList is None:
abort(404)
showList = []
upcomingShowList = []
for show in showLists:
if (show.start_time < datetime.today()):
past_shows = {}
past_shows['venue_id'] = show.venue_id
past_shows['venue_name'] = show.venue_name
past_shows['venue_image_link'] = show.venue_image_link
past_shows['start_time'] = show.start_time.strftime(
"%Y-%m-%dT%H:%M:%f")
showList.append(past_shows.copy())
else:
upcoming_shows = {}
upcoming_shows['venue_id'] = show.venue_id
upcoming_shows['venue_name'] = show.venue_name
upcoming_shows['venue_image_link'] = show.venue_image_link
upcoming_shows['start_time'] = show.start_time.strftime(
"%Y-%m-%dT%H:%M:%f")
upcomingShowList.append(upcoming_shows.copy())
data = {
"id": artistList.id,
"name": artistList.name,
"genres": artistList.genres,
"city": artistList.city,
"state": artistList.state,
"phone": artistList.phone,
"website": artistList.website,
"facebook_link": artistList.facebook_link,
"seeking_venue": artistList.seeking_venue,
"seeking_description": artistList.seeking_description,
"image_link": artistList.image_link,
"past_shows_count": len(showList),
"upcoming_shows_count": len(upcomingShowList),
}
data["past_shows"] = showList
data["upcoming_shows"] = upcomingShowList
return render_template('pages/show_artist.html', artist=data)
except:
abort(404)
# Update
# ----------------------------------------------------------------
@app.route('/artists/<int:artist_id>/edit', methods=['GET'])
def edit_artist(artist_id):
try:
form = ArtistForm()
artistList = Artist.query.filter_by(id=artist_id).one_or_none()
if artistList is None:
abort(404)
artist = {
"id": artistList.id,
"name": artistList.name
}
form.name.data = artistList.name
form.genres.data = artistList.genres
form.city.data = artistList.city
form.state.data = artistList.state
form.phone.data = artistList.phone
form.website.data = artistList.website
form.facebook_link.data = artistList.facebook_link
form.seeking_venue.data = artistList.seeking_venue
form.seeking_description.data = artistList.seeking_description
form.image_link.data = artistList.image_link
except:
abort(404)
return render_template('forms/edit_artist.html', form=form, artist=artist)
@app.route('/artists/<int:artist_id>/edit', methods=['POST'])
def edit_artist_submission(artist_id):
error=False
try:
ArtistForm().validate_phone(ArtistForm, ArtistForm().phone)
ArtistForm().validate_genres(ArtistForm, ArtistForm().genres)
seeking_venue_exist = request.form.get('seeking_venue', None)
if seeking_venue_exist is None:
seeking_venue = False
else:
seeking_venue = True
artist = Artist.query.get(artist_id)
artist.name = request.form['name']
artist.city = request.form['city']
artist.state = request.form['state']
artist.phone = request.form['phone']
artist.genres = request.form.getlist('genres')
artist.seeking_venue = seeking_venue
artist.seeking_description = request.form['seeking_description']
artist.image_link = request.form['image_link']
artist.website = request.form['website']
artist.facebook_link = request.form['facebook_link']
db.session.commit()
except Exception as e:
error=True
db.session.rollback()
print(sys.exc_info())
flash('An error occurred. Artist ' + request.form['name'] + ' could not be edited due to ' + str(e))
finally:
db.session.close()
if not error:
flash('Artist ' + request.form['name'] + ' was successfully edited!')
return redirect(url_for('show_artist', artist_id=artist_id))
@app.route('/venues/<int:venue_id>/edit', methods=['GET'])
def edit_venue(venue_id):
try:
form = VenueForm()
venueList = Venue.query.filter_by(id=venue_id).one_or_none()
if venueList is None:
abort(404)
venue = {
"id": venueList.id,
"name": venueList.name
}
form.name.data = venueList.name
form.genres.data = venueList.genres
form.address.data = venueList.address
form.city.data = venueList.city
form.state.data = venueList.state
form.phone.data = venueList.phone
form.website.data = venueList.website
form.facebook_link.data = venueList.facebook_link
form.seeking_description.data = venueList.seeking_description
form.seeking_talent.data = venueList.seeking_talent
form.image_link.data = venueList.image_link
except:
abort(404)
return render_template('forms/edit_venue.html', form=form, venue=venue)
@app.route('/venues/<int:venue_id>/edit', methods=['POST'])
def edit_venue_submission(venue_id):
error=False
try:
VenueForm().validate_phone(VenueForm, VenueForm().phone)
VenueForm().validate_genres(VenueForm, VenueForm().genres)
seeking_talent_exist = request.form.get('seeking_talent', None)
if seeking_talent_exist is None:
seeking_talent = False
else:
seeking_talent = True
venue = Venue.query.get(venue_id)
venue.name = request.form['name']
venue.city = request.form['city']
venue.address = request.form['address']
venue.state = request.form['state']
venue.phone = request.form['phone']
venue.genres = request.form.getlist('genres')
venue.seeking_talent = seeking_talent
venue.seeking_description = request.form['seeking_description']
venue.image_link = request.form['image_link']
venue.website = request.form['website']
venue.facebook_link = request.form['facebook_link']
db.session.commit()
except Exception as e:
error=True
db.session.rollback()
print(sys.exc_info())
flash('An error occurred. Venue ' + request.form['name'] + ' could not be edited due to ' + str(e))
finally:
db.session.close()
if not error:
flash('Venue ' + request.form['name'] + ' was successfully edited!')
return redirect(url_for('show_venue', venue_id=venue_id))
# Create Artist
# ----------------------------------------------------------------
@app.route('/artists/create', methods=['GET'])
def create_artist_form():
form = ArtistForm()
return render_template('forms/new_artist.html', form=form)
@app.route('/artists/create', methods=['POST'])
def create_artist_submission():
error=False
try:
name = request.form['name']
ArtistForm().validate_phone(ArtistForm, ArtistForm().phone)
ArtistForm().validate_genres(ArtistForm, ArtistForm().genres)
city = request.form['city']
state= request.form['state']
phone = request.form['phone']
genres = request.form.getlist('genres')
seeking_venue_exist = request.form.get('seeking_venue', None)
if seeking_venue_exist is None:
seeking_venue = False
else:
seeking_venue = True
seeking_description = request.form['seeking_description']
image_link = request.form['image_link']
website = request.form['website']
facebook_link = request.form['facebook_link']
artist = Artist(name=name, city=city, state=state, phone=phone, genres=genres, image_link=image_link,
facebook_link=facebook_link, seeking_description=seeking_description, seeking_venue=seeking_venue, website=website )
db.session.add(artist)
db.session.commit()
except Exception as e:
error=True
db.session.rollback()
print(sys.exc_info())
flash('An error occurred. Artist ' + name + ' could not be listed due to ' + str(e))
finally:
db.session.close()
if not error:
flash('Artist ' + name + ' was successfully listed!')
return render_template('pages/home.html')
# Shows
# ----------------------------------------------------------------
@app.route('/shows')
def shows():
shows = Show.query.join(Venue).join(Artist).add_columns(Show.id.label('show_id'), Venue.id.label('venue_id'), Artist.id.label(
'artist_id'), Artist.name.label('artist_name'), Artist.image_link.label('artist_image_link'), Show.start_time, Venue.name.label('venue_name')).all()
data = []
for show in shows:
showList = {}
showList['venue_id'] = show.venue_id
showList['venue_name'] = show.venue_name
showList['artist_id'] = show.artist_id
showList['artist_name'] = show.artist_name
showList['artist_image_link'] = show.artist_image_link
showList['start_time'] = show.start_time.strftime("%Y-%m-%dT%H:%M:%f")
data.append(showList.copy())
return render_template('pages/shows.html', shows=data)
@app.route('/shows/create')
def create_shows():
# renders form. do not touch.
form = ShowForm()
return render_template('forms/new_show.html', form=form)
@app.route('/shows/create', methods=['POST'])
def create_show_submission():
error=False
try:
artist = Artist.query.filter_by(id = request.form['artist_id']).one_or_none()
if artist is None:
raise
venue = Venue.query.filter_by(id = request.form['venue_id']).one_or_none()
if artist is None:
raise
artist_id = request.form['artist_id']
venue_id = request.form['venue_id']
start_time= request.form['start_time']
show = Show(artist_id=artist_id, venue_id=venue_id, start_time=start_time)
db.session.add(show)
db.session.commit()
except:
error=True
db.session.rollback()
print(sys.exc_info())
flash('An error occurred. Show could not be listed. Check if the provided Venue ID and Artist ID is valid')
finally:
db.session.close()
if not error:
flash('Show was successfully listed!')
return render_template('pages/home.html')
@app.errorhandler(404)
def not_found_error(error):
return render_template('errors/404.html'), 404
@app.errorhandler(500)
def server_error(error):
return render_template('errors/500.html'), 500
if not app.debug:
file_handler = FileHandler('error.log')
file_handler.setFormatter(
Formatter(
'%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]')
)
app.logger.setLevel(logging.INFO)
file_handler.setLevel(logging.INFO)
app.logger.addHandler(file_handler)
app.logger.info('errors')
#----------------------------------------------------------------------------#
# Launch.
#----------------------------------------------------------------------------#
# Default port:
if __name__ == '__main__':
app.run()
# Or specify port manually:
'''
if __name__ == '__main__':
port = int(os.environ.get('PORT', 5000))
app.run(host='0.0.0.0', port=port)
'''