app.py

#----------------------------------------------------------------------------#
# Imports
#----------------------------------------------------------------------------#

import json
import dateutil.parser
import babel
import datetime
from flask import Flask, render_template, request, Response, flash, redirect, url_for
from flask_moment import Moment
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy.dialects.postgresql import ARRAY
import logging
from logging import Formatter, FileHandler
from flask_wtf import Form
from forms import *
from flask_migrate import Migrate
import sys
import os


#----------------------------------------------------------------------------#
# App Config.
#----------------------------------------------------------------------------#
#import params database
from config import SQLALCHEMY_DATABASE_URI, DEBUG, SQLALCHEMY_TRACK_MODIFICATIONS
#config


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


# TODO: connect to a local postgresql database = done.
migrate = Migrate(app, db)
db.create_all()
app.config['SQLALCHEMY_DATABASE_URI'] = SQLALCHEMY_DATABASE_URI

#MODIFICATIONS status
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = SQLALCHEMY_TRACK_MODIFICATIONS


#----------------------------------------------------------------------------#
# Models.
#----------------------------------------------------------------------------#
class Venue(db.Model):
    __tablename__ = 'Venue'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String)
    city = db.Column(db.String(120))
    state = db.Column(db.String(120))
    address = db.Column(db.String(120))
    phone = db.Column(db.String(120))
    image_link = db.Column(db.String(500))
    facebook_link = db.Column(db.String(120))

    genres = db.Column(ARRAY(db.String()))
    website = db.Column(db.String())
    seeking_talent = db.Column(db.String())
    seeking_description = db.Column(db.String())


class Artist(db.Model):
    __tablename__ = 'Artist'
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String)
    city = db.Column(db.String(120))
    state = db.Column(db.String(120))
    phone = db.Column(db.String(120))
    genres = db.Column(ARRAY(db.String(120)))
    image_link = db.Column(db.String(500))
    facebook_link = db.Column(db.String(120))

    website = db.Column(db.String())
    seeking_venue = db.Column(db.String())
    seeking_description = db.Column(db.String())


class Show(db.Model):
    __tablename__ = 'Show'
    id = db.Column(db.Integer, primary_key=True)
    start_time = db.Column(db.DateTime)
    venue_id = db.Column(db.Integer, db.ForeignKey('Venue.id'), nullable=False)
    venue_name = db.relationship('Venue', backref=db.backref('shows'))
    artist_id = db.Column(db.Integer, db.ForeignKey('Artist.id'), nullable=False)
    artist = db.relationship('Artist', backref=db.backref('shows'))

db.create_all()


#----------------------------------------------------------------------------#
# 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.
#----------------------------------------------------------------------------#

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


#  Controllers Venues
#  ----------------------------------------------------------------

#  Create Venue
#  ----------------------------------------------------------------

# Create Venue form page
@app.route('/venues/create', methods=['GET'])
def create_venue_form():
  form = VenueForm()
  return render_template('forms/new_venue.html', form=form)


# Create Venue Controller
@app.route('/venues/create', methods=['POST'])
def create_venue_submission():
  form = VenueForm(request.form)

  venue = Venue(
    name = form.name.data,
    genres = form.genres.data,
    address = form.address.data,
    city = form.city.data,
    state = form.state.data,
    phone = form.phone.data,
    website = form.website.data,
    facebook_link = form.facebook_link.data,
    seeking_talent = form.seeking_talent.data, 
    seeking_description = form.seeking_description.data,
    image_link = form.image_link.data,
  )
  try:
      db.session.add(venue)
      db.session.commit()
      flash('Venue ' + form.name.data + ' was successfully listed !')
  except:
      flash('Sorry, an error occurred. Venue ' + form.name.data + ' could not be added.')
  finally:
      db.session.close()
  return render_template('pages/home.html')


#  LIST Venues Page
#  ----------------------------------------------------------------
@app.route('/venues')
def venues():
  # TODO: replace with real venues data.
  #       num_shows should be aggregated based on number of upcoming shows per venue. = done
  data=[]

  cities = db.session.query(Venue.city, Venue.state).distinct(Venue.city, Venue.state)

  for city in cities:
      venues_in_city = db.session.query(Venue.id, Venue.name).filter(Venue.city == city[0]).filter(Venue.state == city[1])
      data.append({
        "city": city[0],
        "state": city[1],
        "venues": venues_in_city
      })
  return render_template('pages/venues.html', areas=data);


#  Search Venue
#  ----------------------------------------------------------------
@app.route('/venues/search', methods=['POST'])
def search_venues():
  # TODO: implement search on artists with partial string search. Ensure it is case-insensitive.
  # seach for Hop should return "The Musical Hop".
  # search for "Music" should return "The Musical Hop" and "Park Square Live Music & Coffee" = done
  search_term = request.form.get('search_term', '')
  venues = db.session.query(Venue).filter(Venue.name.ilike('%' + search_term + '%')).all()
  data = []

  for venue in venues:
      num_upcoming_shows = 0
      shows = db.session.query(Show).filter(Show.venue_id == venue.id)
      for show in shows:
          if (show.start_time > datetime.now()):
              num_upcoming_shows += 1;

      data.append({
        "id": venue.id,
        "name": venue.name,
        "num_upcoming_shows": num_upcoming_shows
      })

  response={
        "count": len(venues),
        "data": data
    }
  return render_template('pages/search_venues.html', results=response, search_term=request.form.get('search_term', ''))


#  Page One Venue
#  ----------------------------------------------------------------
@app.route('/venues/<int:venue_id>')
def show_venue(venue_id):
  # shows the venue page with the given venue_id
  # TODO: replace with real venue data from the venues table, using venue_id = done.
  venue = db.session.query(Venue).filter(Venue.id == venue_id).one()

  list_shows = db.session.query(Show).filter(Show.venue_id == venue_id)
  past_shows = []
  upcoming_shows = []

  for show in list_shows:
    artist = db.session.query(Artist.name, Artist.image_link).filter(Artist.id == show.artist_id).one()
    show_add = {
        "artist_id": show.artist_id,
        "artist_name": artist.name,
        "artist_image_link": artist.image_link,
        "start_time": show.start_time.strftime('%m/%d/%Y')
        }

    if (show.start_time < datetime.now()):
        past_shows.append(show_add)
    else:
        upcoming_shows.append(show_add)

  data = {
      "id": venue.id,
      "name": venue.name,
      "genres": venue.genres,
      "address": venue.address,
      "city": venue.city,
      "state": venue.state,
      "phone": venue.phone,
      "website": venue.website,
      "facebook_link": venue.facebook_link,
      "seeking_talent": venue.seeking_talent,
      "seeking_description": venue.seeking_description,
      "image_link": venue.image_link,
      "past_shows": past_shows,
      "upcoming_shows": upcoming_shows,
      "past_shows_count": len(past_shows),
      "upcoming_shows_count": len(upcoming_shows),
  }
  return render_template('pages/show_venue.html', venue=data)


#  Edit Venue
#  ----------------------------------------------------------------

# Edit Venue form page
@app.route('/venues/<int:venue_id>/edit', methods=['GET'])
def edit_venue(venue_id):
  form = VenueForm()
  venue = db.session.query(Venue).filter(Venue.id == venue_id).one()

  return render_template('forms/edit_venue.html', form=form, venue=venue)


# Edit Venue Controller
@app.route('/venues/<int:venue_id>/edit', methods=['POST'])
def edit_venue_submission(venue_id):
    form = VenueForm(request.form)
    try:
        updated_venue = {
            "name": form.name.data,
            "genres": form.genres.data,
            "address": form.address.data,
            "city": form.city.data,
            "state": form.state.data,
            "phone": form.phone.data,
            "website": form.website.data,
            "facebook_link": form.facebook_link.data,
            "seeking_talent": form.seeking_talent.data,
            "seeking_description": form.seeking_description.data,
            "image_link": form.image_link.data
        }
    
    
        db.session.query(Venue).filter(Venue.id == venue_id).update(updated_venue)
        db.session.commit()
        flash('Venue' + form.name.data + ' was successfully updated !')
    except:
        flash('Sorry, an error occurred. Venue ' + form.name.data + ' could not be updated.')
    finally:
        db.session.close()
    return redirect(url_for('show_venue', venue_id=venue_id))
# ____________________
# Sorry for my poor english. I learned a lot not in the know And on the Internet, so I definitely did not know which solution would be much better and faster. I leave this option here too, can you tell me your opinions about it.append()
# ____________________


# @app.route('/venues/<int:venue_id>/edit', methods=['POST'])
# def edit_venue_submission(venue_id):
#     form = VenueForm(request.form)
#     try:
#         venue = Venue.query.get(venue_id)
#         venue.name = form.name.data,
#         venue.genres = form.genres.data,
#         venue.address = form.address.data,
#         venue.city = form.city.data,
#         venue.state = form.state.data,
#         venue.phone = form.phone.data,
#         venue.website = form.website.data,
#         venue.facebook_link = form.facebook_link.data,
#         venue.seeking_talent = form.seeking_talent.data,
#         venue.seeking_description = form.seeking_description.data,
#         venue.image_link = form.image_link.data
#         db.session.commit()
#         flash('Venue' + form.name.data + ' was successfully updated!')
#     except:
#         flash('An error occurred. Venue ' + form.name.data + ' could not be updated.')
#     finally:
#         db.session.close()
#     return redirect(url_for('show_venue', venue_id=venue_id))

#  Delete Venue
#  ----------------------------------------------------------------

@app.route('/venues/<venue_id>/del', methods=['GET'])
def delete_venue(venue_id):
  # TODO: Complete this endpoint for taking a venue_id, and using
  # SQLAlchemy ORM to delete a record. Handle cases where the session commit could fail.

  # BONUS CHALLENGE: Implement a button to delete a Venue on a Venue Page, have it so that
  # clicking that button delete it from the db then redirect the user to the homepage = done
  #It was the easiest task for me.!!!!!!
    try:
        db.session.query(Show).filter(Show.venue_id == venue_id).delete()
        db.session.query(Venue).filter(Venue.id == venue_id).delete()
        db.session.commit()
        flash('Venue was successfully deleted !')
    except:
        flash('Sorry, an error occurred. The  Venue you selected cannot be deleted.')
    finally:
        db.session.close()
    return redirect(url_for('venues'))

#>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> End Venues Controllers >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


#  Controllers Artists
#  ----------------------------------------------------------------

#  Create Artist
#  ----------------------------------------------------------------
# Create Artist form page
@app.route('/artists/create', methods=['GET'])
def create_artist_form():
  form = ArtistForm()
  return render_template('forms/new_artist.html', form=form)


# Create Venue Controller
@app.route('/artists/create', methods=['POST'])
def create_artist_submission():
  # called upon submitting the new artist listing form
  # TODO: insert form data as a new Venue record in the db, instead
  # TODO: modify data to be the data object returned from db insertion = done
    form = ArtistForm(request.form)

    artist = Artist(
        name = form.name.data,
        genres = form.genres.data,
        city = form.city.data,
        state = form.state.data,
        phone = form.phone.data,
        website = form.website.data,
        facebook_link = form.facebook_link.data,
        seeking_venue = form.seeking_venue.data,
        seeking_description = form.seeking_description.data,
        image_link = form.image_link.data,
    )
    try:
        db.session.add(artist)
        db.session.commit()
        #   # on successful db insert, flash success = done
        flash('Artist ' + form.name.data + ' was successfully listd !')
    except:
      #   # TODO: on unsuccessful db insert, flash an error instead. = done
        flash('Sorry, an error occurred. Artist ' + form.name.data + 'could not be added')
    finally:
        db.session.close()
    return render_template('pages/home.html')


#  LIST Artists Page
#  ----------------------------------------------------------------
@app.route('/artists')
def artists():
  # TODO: replace with real data returned from querying the database = done
  artists = db.session.query(Artist.id, Artist.name)
  data=[]

  for artist in artists:
      data.append({
        "id": artist[0],
        "name": artist[1]
      })
  
  return render_template('pages/artists.html', artists=data)


#  Search Artist
#  ----------------------------------------------------------------
@app.route('/artists/search', methods=['POST'])
def search_artists():
  # TODO: implement search on artists with partial string search. Ensure it is case-insensitive.
  # seach for "A" should return "Guns N Petals", "Matt Quevado", and "The Wild Sax Band".
  # search for "band" should return "The Wild Sax Band". = done
    search_term = request.form.get('search_term', '')
    artists = db.session.query(Artist).filter(Artist.name.ilike('%' + search_term + '%')).all()
    data = []

    for artist in artists:
        num_upcoming_shows = 0
        shows = db.session.query(Show).filter(Show.artist_id == artist.id)
        for show in shows:
            if(show.stat_time > datetime.now()):
                num_upcoming_shows += 1;
        data.append({
            "id": artist.id,
            "name": artist.name,
            "num_upcoming_shows": num_upcoming_shows
        })
    response={
        "count": len(artists),
        "data": data
    }


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


#  Page One Artist
#  ----------------------------------------------------------------
@app.route('/artists/<int:artist_id>')
def show_artist(artist_id):
    # shows the venue page with the given venue_id
  # TODO: replace with real venue data from the venues table, using venue_id = done
    artist = db.session.query(Artist).filter(Artist.id == artist_id).one()

    list_shows = db.session.query(Show).filter(Show.artist_id == artist_id)
    past_shows = []
    upcoming_shows = []

    for show in list_shows:
        venue = db.session.query(Venue.name, Venue.image_link).filter(Venue.id == show.venue_id).one()

        show_add = {
            "venue_id": show.venue_id,
            "venue_name": venue.name,
            "venue_image_link": venue.image_link,
            "start_time": show.start_time.strftime('%m/%d/%Y')
            }

        if (show.start_time < datetime.now()):
            past_shows.append(show_add)
        else:
            print(show_add, file=sys.stderr)
            upcoming_shows.append(show_add)

    data = {
        "id": artist.id,
        "name": artist.name,
        "genres": artist.genres,
        "city": artist.city,
        "state": artist.state,
        "phone": artist.phone,
        "website": artist.website,
        "facebook_link": artist.facebook_link,
        "seeking_venue": artist.seeking_venue,
        "seeking_description": artist.seeking_description,
        "image_link": artist.image_link,
        "past_shows": past_shows,
        "upcoming_shows": upcoming_shows,
        "past_shows_count": len(past_shows),
        "upcoming_shows_count": len(upcoming_shows),
    }

    return render_template('pages/show_artist.html', artist=data)


#  Edit Artist
#  ----------------------------------------------------------------

# Edit Artist form page
@app.route('/artists/<int:artist_id>/edit', methods=['GET'])
def edit_artist(artist_id):
  form = ArtistForm()
  artist = db.session.query(Artist).filter(Artist.id == artist_id).one()

  return render_template('forms/edit_artist.html', form=form, artist=artist)

# Edit Artist Controller
@app.route('/artists/<int:artist_id>/edit', methods=['POST'])
def edit_artist_submission(artist_id):
    form = ArtistForm(request.form)

    updated_artist = {
        "name": form.name.data,
        "genres": form.genres.data,
        "city": form.city.data,
        "state": form.state.data,
        "phone": form.phone.data,
        "website": form.website.data,
        "facebook_link": form.facebook_link.data,
        "seeking_venue": form.seeking_venue.data,
        "seeking_description": form.seeking_description.data,
        "image_link": form.image_link.data,
    }
    db.session.query(Artist).filter(Artist.id == artist_id).update(updated_artist)
    try:
        
        db.session.commit()
        flash('Artist ' + form.name.data + ' was successfully listed !')
    except:
        flash('Sorry, an error occurred. Artist ' + form.name.data + 'could not be added')
    finally:
        db.session.close()
    return redirect(url_for('show_artist', artist_id=artist_id))


#  Delete Artist
#  ----------------------------------------------------------------
@app.route('/artists/<artist_id>/del', methods=['GET'])
def delete_artist(artist_id):
    try:
        db.session.query(Show).filter(Show.artist_id == artist_id).delete()
        db.session.query(Artist).filter(Artist.id == artist_id).delete()
        db.session.commit()
        flash('Artist was successfully deleted!')
    except:
        flash('Sorry, an error occurred. The  Venue you selected cannot be deleted..')
    finally:
        db.session.close()
    return redirect(url_for('artists'))


#>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> End Artists Controllers >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


#  Controllers Shows
#  ----------------------------------------------------------------

#  Create Shows
#  ----------------------------------------------------------------
# Create Shows form page
@app.route('/shows/create')
def create_shows():
  # renders form. do not touch.
  
  form = ShowForm()
  #List of existing artists.
  artists = db.session.query(Artist.id, Artist.name)
  list_artist=[]
  for artist in artists:
      list_artist.append((int(artist[0]),'(id: ' + str(artist[0]) + '), Name: ' + str(artist[1])))

  form.artist_id.choices=list_artist

  #List of existing venues.
  venues = db.session.query(Venue.id, Venue.name)
  list_venues=[]
  for venue in venues:
      list_venues.append((int(venue[0]),'(id: ' + str(venue[0]) + '), Name: ' + str(venue[1])))

  form.venue_id.choices=list_venues
 

  return render_template('forms/new_show.html', form=form)


# Create Shows Controller
@app.route('/shows/create', methods=['POST'])
def create_show_submission():
  # called to create new shows in the db, upon submitting new show listing form
  # TODO: insert form data as a new Show record in the db, instead = done
    form = ShowForm(request.form)

    show = Show(
        venue_id = form.venue_id.data,
        artist_id = form.artist_id.data,
        start_time = form.start_time.data
    )

    try:
        db.session.add(show)
        db.session.commit()
        # on successful db insert, flash success
        flash('Show was successfully placed !')
        # TODO: on unsuccessful db insert, flash an error instead. = done
        # e.g., flash('An error occurred. Show could not be listed.')
        # see: http://flask.pocoo.org/docs/1.0/patterns/flashing/
    except:
        flash('Sorry, an error occurred. Show could not be listed.')
    finally:
        db.session.close()
    return render_template('pages/home.html')


#  LIST Shows Page
#  ----------------------------------------------------------------
@app.route('/shows')
def shows():
  # displays list of shows at /shows
  # TODO: replace with real venues data.
  #       num_shows should be aggregated based on number of upcoming shows per venue. = done
  data = []
  shows = db.session.query(Show.artist_id, Show.venue_id, Show.start_time, Show.id).all()

  for show in shows:
      artist = db.session.query(Artist.name, Artist.image_link).filter(Artist.id == show[0]).one()
      venue = db.session.query(Venue.name).filter(Venue.id == show[1]).one()
      data.append({
          "show_id": show[3],
          "venue_id": show[1],
          "venue_name": venue[0],
          "artist_id": show[0],
          "artist_name": artist[0],
          "artist_image_link": artist[1],
          "start_time": str(show[2])
      })
  return render_template('pages/shows.html', shows=data)


#  Delete Show
#  ----------------------------------------------------------------

@app.route('/shows/<show_id>/del', methods=['GET'])
def delete_show(show_id):
    try:
        db.session.query(Show).filter(Show.id == show_id).delete()
        db.session.commit()
        flash('Show was successfully deleted!')
    except:
        flash('Sorry, an error occurred. Show could not be deleted.')
    finally:
        db.session.close()
    return redirect(url_for('shows'))


#>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> End Shows Controllers >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

#error controllers
@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. Program launch options.
#----------------------------------------------------------------------------#

# Default port:
# if __name__ == '__main__':
#     app.run(debug=DEBUG)

# Or specify port manually:

if __name__ == '__main__':
    port = int(os.environ.get('PORT', 5000))
    app.run(host='127.0.0.1', port=port, debug=DEBUG)