app.py

#----------------------------------------------------------------------------#
# Imports
#----------------------------------------------------------------------------#
from curses.ascii import FF
from unicodedata import name
from flask import Flask
import json
import dateutil.parser
import babel
from flask import Flask, render_template, request, Response, flash, redirect, url_for
from flask_moment import Moment
import logging
from logging import Formatter, FileHandler
from flask_wtf import Form
from forms import *
from flask_migrate import Migrate

from models import Artist, Area,Show, Venue, db

#----------------------------------------------------------------------------#
# App Config.
#----------------------------------------------------------------------------#

app = Flask(__name__)
moment = Moment(app)
app.config.from_object('config')

db.init_app(app)
migrate = Migrate(app, db)

app.config['SQLALCHEMY_DATABASE_URI']
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

#----------------------------------------------------------------------------#
# Filters.
#----------------------------------------------------------------------------#

def format_datetime(value, format='medium'):
  if isinstance(value, str):
    date = dateutil.parser.parse(value)
  else:
    date = 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, locale='en')

app.jinja_env.filters['datetime'] = format_datetime

#----------------------------------------------------------------------------#
# Controllers.
#----------------------------------------------------------------------------#

@app.route('/')
def index():
  return render_template('pages/home.html')

#  Venues
#  ----------------------------------------------------------------

@app.route('/venues')
def venues():
  
  return render_template('pages/venues.html', areas=Area.query.all())

@app.route('/venues/search', methods=['POST'])
def search_venues():
  query = request.form.get("search_term") 
  venues = Venue.query.filter(Venue.name.ilike("%" + query + "%")).all()
  
  return render_template('pages/search_venues.html', results=venues, count=len(venues), search_term=request.form.get('search_term', ''))

@app.route('/venues/<int:venue_id>')
def show_venue(venue_id):
  # shows the venue page with the given venue_id
  venue=Venue.query\
    .join(Area, Venue.area_id == Area.id)\
    .add_columns(Venue.id, Venue.name, Venue.image_link, Area.city, Area.state)\
    .filter(Venue.id == venue_id).first()

  return render_template('pages/show_venue.html', venue=venue)

#  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():

  form = VenueForm()
  if form.validate_on_submit():
    name = request.form['name']
    image_link = request.form['image_link']
    facebook_link = request.form['facebook_link']
    city = request.form['city']
    state = request.form['state']
    address= request.form['address']
    talent= request.form['seeking_talent']

    area = Area(city, state)

    db.session.add(area)
    db.session.commit()

    area_id = area.id

    record = Venue(name, image_link, facebook_link, address, talent, area_id)

    try:
      db.session.add(record)
      db.session.commit()

    # on successful db insert, flash success
      flash('Venue ' + request.form['name'] + ' was successfully listed!')
    except:
      # flash('An error occurred. Venue ' + request.form['name'] + ' could not be listed.' + form.errors.items())
      for field, message in form.errors.items():
        flash(field + ' - ' + str(message), 'danger')
  else:
    for field, message in form.errors.items():
      flash(field + ' - ' + str(message), 'danger')
  return render_template('pages/home.html')

@app.route('/venues/<venue_id>', methods=['POST'])
def delete_venue(venue_id):
  try:
    Venue.query.filter(Venue.id == venue_id).delete()
    db.session.commit()

    flash('Deleted venue with id = ' + venue_id)

  except:
    flash('Unable to delete venue with id = ' + venue_id)

  return render_template('pages/home.html')


#  Artists
#  ----------------------------------------------------------------
@app.route('/artists')
def artists():
  return render_template('pages/artists.html', artists=Artist.query.all())

@app.route('/artists/search', methods=['POST'])
def search_artists():
  query = request.form.get("search_term") 
  response = Artist.query.filter(Artist.name.ilike("%" + query + "%")).all()

  return render_template('pages/search_artists.html', results=response, search_term=request.form.get('search_term', ''), count=len(response))

@app.route('/artists/<int:artist_id>')
def show_artist(artist_id):
  artist=Artist.query.get(artist_id)
  upcoming_shows = Show.query.join(Venue).\
    add_columns(Venue.id.label("venue_id"), Venue.name.label("venue_name"), Venue.image_link.\
      label("venue_image_link"), Show.start_time).\
        filter(Show.artist_id==artist_id).filter(Show.start_time>datetime.now()).all()
  past_shows = Show.query.join(Venue).\
    add_columns(Venue.id.label("venue_id"), Venue.name.label("venue_name"), Venue.image_link.\
      label("venue_image_link"), Show.start_time).\
        filter(Show.artist_id==artist_id).filter(Show.start_time<datetime.now()).all()
  
  # add new items to artist
  upcoming_shows_count = len(upcoming_shows)
  past_shows_count = len(past_shows)
  artist.upcoming_shows = upcoming_shows
  artist.past_shows = past_shows
  artist.upcoming_shows_count = upcoming_shows_count
  artist.past_shows_count = past_shows_count
  
  return render_template('pages/show_artist.html', artist=artist)

#  Update
#  ----------------------------------------------------------------
@app.route('/artists/<int:artist_id>/edit', methods=['GET'])
def edit_artist(artist_id):
  form = ArtistForm()

  return render_template('forms/edit_artist.html', form=form, artist=Artist.query.get(artist_id))

@app.route('/artists/<int:artist_id>/edit', methods=['POST'])
def edit_artist_submission(artist_id):
  
  artist=Artist.query.filter(Artist.id == artist_id).first()

  # update values
  artist.name = request.form['name']
  artist.image_link = request.form['image_link']
  artist.facebook_link = request.form['facebook_link']
  artist.city = request.form['city']

  db.session.commit()

  return redirect(url_for('show_artist', artist_id=artist_id))

@app.route('/venues/<int:venue_id>/edit', methods=['GET'])
def edit_venue(venue_id):
  form = VenueForm()
  venue={
    "id": 1,
    "name": "The Musical Hop",
    "genres": ["Jazz", "Reggae", "Swing", "Classical", "Folk"],
    "address": "1015 Folsom Street",
    "city": "San Francisco",
    "state": "CA",
    "phone": "123-123-1234",
    "website": "https://www.themusicalhop.com",
    "facebook_link": "https://www.facebook.com/TheMusicalHop",
    "seeking_talent": True,
    "seeking_description": "We are on the lookout for a local artist to play every two weeks. Please call us.",
    "image_link": "https://images.unsplash.com/photo-1543900694-133f37abaaa5?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=400&q=60"
  }

  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):
  # TODO: take values from the form submitted, and update existing
  # venue record with ID <venue_id> using the new attributes
  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():
  form = ArtistForm()

  name = request.form['name']
  image_link = request.form['image_link']
  facebook_link = request.form['facebook_link']

  record = Artist(name, image_link, facebook_link)

  try:
    db.session.add(record)
    db.session.commit()
    flash('Artist ' + request.form['name'] + ' was successfully listed!')
  except:
    flash('An error occurred. Artist ' + request.form['name'] + ' could not be listed.')
  return render_template('pages/home.html')

#  Shows
#  ----------------------------------------------------------------

@app.route('/shows')
def shows():
  # displays list of shows at /shows
  shows=Show.query.join(Artist, Artist.id == Show.id).join(Venue, Venue.id == Show.id).add_columns(Show.id, Show.venue_id, Show.artist_id, Show.start_time, Venue.name.label("venue_name"), Artist.name.label("artist_name"), Artist.image_link.label("artist_image_link")).all()

  return render_template('pages/shows.html', shows=shows)

@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():
  form = ShowForm()

  artist = request.form['artist_id']
  venue = request.form['venue_id']
  show_date = request.form['start_time']

  record = Show(artist, venue, show_date)

  try:
    db.session.add(record)
    db.session.commit()

  # on successful db insert, flash success
    flash('Show was successfully listed!')
  except:
    flash('An error occurred. Show could not be listed.')
  # see: http://flask.pocoo.org/docs/1.0/patterns/flashing/
  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)
'''