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models.py
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models.py
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from flask_sqlalchemy import SQLAlchemy
from util import format_datetime
from datetime import datetime
db = SQLAlchemy()
#----------------------------------------------------------------------------#
# Models.
#----------------------------------------------------------------------------#
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)
artist_id = db.Column(db.Integer, db.ForeignKey('Artist.id'), nullable=False)
venue = db.relationship('Venue', backref=db.backref('shows', cascade='all, delete'))
artist = db.relationship('Artist', backref=db.backref('shows', cascade='all, delete'))
def __repr__(self):
return f'\n<Show: id: {self.id},\nstart_time: {self.start_time},\nvenue_id: {self.venue_id},\nartist_id: {self.artist_id}>\n'
@property
def _get_shows(self):
return {'venue_id' : self.venue_id,
'venue_name': self.venue.name,
'artist_id': self.artist_id,
'artist_name' : self.artist.name,
'artist_image_link': self.artist.image_link,
'start_time': format_datetime(str(self.start_time), format='full')
}
@property
def _get_show_artist_time(self):
return {'artist_id': self.artist_id,
'artist_name': self.artist.name,
'artist_image_link': self.artist.image_link,
'start_time': format_datetime(str(self.start_time), format='full')
}
@property
def _get_show_venue_time(self):
return {'venue_id': self.venue_id,
'venue_name': self.venue.name,
'venue_image_link': self.venue.image_link,
'start_time': format_datetime(str(self.start_time), format='full')
}
class Venue(db.Model):
__tablename__ = 'Venue'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String)
genres = db.Column(db.String(120))
address = db.Column(db.String(120))
city = db.Column(db.String(120))
state = db.Column(db.String(120))
phone = db.Column(db.String(120))
website = db.Column(db.String(120))
facebook_link = db.Column(db.String(120))
seeking_talent = db.Column(db.Boolean)
seeking_description = db.Column(db.String(500))
image_link = db.Column(db.String(500))
def __repr__(self):
return f'\n<Venue: id: {self.id},\nname: {self.name},\ngenres: {self.genres},\naddress: {self.address},\ncity: {self.city},\nstate: {self.state},\nphone: {self.phone},\nwebsite: {self.website},\nfacebook_link: {self.facebook_link},\nseeking_talent: {self.seeking_talent},\nseeking_description: {self.seeking_description},\nimage_link: {self.image_link}>\n'
@property
def serialize(self):
return {'id': self.id,
'name': self.name,
'genres': self.genres.split(','),
'address': self.address,
'city': self.city,
'state': self.state,
'phone': self.phone,
'website': self.website,
'facebook_link': self.facebook_link,
'seeking_talent': self.seeking_talent,
'seeking_description': self.seeking_description,
'image_link' : self.image_link
}
@property
def _get_venues_by_search(self):
return {"id": self.id,
"name": self.name,
"num_upcoming_shows": Show.query.filter(
Show.start_time > datetime.now(),
Show.venue_id == self.id
).count()
}
@property
def _get_venue_with_show_info(self):
return {'id': self.id,
'name': self.name,
'genres': self.genres,
'address': self.address,
'city': self.city,
'state': self.city,
'phone': self.phone,
'website': self.website,
'facebook_link': self.facebook_link,
'seeking_talent': self.seeking_talent,
'seeking_description': self.seeking_description,
'image_link' : self.image_link,
'past_shows' : [x._get_show_artist_time for x in Show.query.filter(
Show.venue_id==self.id,
Show.start_time < datetime.now()
).all()],
'upcoming_shows': [x._get_show_artist_time for x in Show.query.filter(
Show.venue_id==self.id,
Show.start_time > datetime.now()
).all()],
'past_shows_count': Show.query.filter(
Show.start_time < datetime.now(),
Show.venue_id == self.id
).count(),
'upcoming_shows_count': Show.query.filter(
Show.start_time > datetime.now(),
Show.venue_id == self.id
).count()
}
@property
def _get_upcoming_shows_count(self):
return {'id': self.id,
'name': self.name,
'num_upcoming_shows': Show.query.filter(
Show.start_time > datetime.now(),
Show.venue_id == self.id
).count()
}
@property
def _get_venues_by_city_state(self):
return {'city' : self.city,
'state' : self.state,
'venues' : [x._get_upcoming_shows_count
for x in Venue.query.filter(Venue.city == self.city, Venue.state == self.state)
.all()]
}
class Artist(db.Model):
__tablename__ = 'Artist'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String)
genres = db.Column(db.String(120))
city = db.Column(db.String(120))
state = db.Column(db.String(120))
phone = db.Column(db.String(120))
website = db.Column(db.String(120))
facebook_link = db.Column(db.String(120))
seeking_venue = db.Column(db.Boolean)
seeking_description = db.Column(db.String(500))
image_link = db.Column(db.String(500))
def __repr__(self):
return f'\n<Artist: id: {self.id},\nname: {self.name},\ngenres: {self.genres},\ncity: {self.city},\nstate: {self.state},\nphone: {self.phone},\nwebsite: {self.website},\nfacebook_link: {self.facebook_link},\nseeking_venue: {self.seeking_venue},\nseeking_description: {self.seeking_description},\nimage_link: {self.image_link}>\n'
@property
def serialize(self):
return {'id': self.id,
'name': self.name,
'genres': self.genres.split(','),
'city': self.city,
'state': self.state,
'phone': self.phone,
'website': self.website,
'facebook_link': self.facebook_link,
'seeking_venue': self.seeking_venue,
'seeking_description': self.seeking_description,
'image_link' : self.image_link
}
@property
def _get_artists_by_id_name(self):
return {'id': self.id,
'name': self.name
}
@property
def _get_artists_by_search(self):
return {"id": self.id,
"name": self.name,
"num_upcoming_shows": Show.query.filter(
Show.start_time > datetime.now(),
Show.artist_id == self.id
).count()
}
@property
def _get_artist_with_show_info(self):
return {'id': self.id,
'name': self.name,
'genres': self.genres,
'city': self.city,
'state': self.city,
'phone': self.phone,
'website': self.website,
'facebook_link': self.facebook_link,
'seeking_venue': self.seeking_venue,
'seeking_description': self.seeking_description,
'image_link' : self.image_link,
'past_shows' : [x._get_show_venue_time for x in Show.query.filter(
Show.artist_id==self.id,
Show.start_time < datetime.now()
).all()],
'upcoming_shows': [x._get_show_venue_time for x in Show.query.filter(
Show.artist_id==self.id,
Show.start_time > datetime.now()
).all()],
'past_shows_count': Show.query.filter(
Show.start_time < datetime.now(),
Show.artist_id == self.id
).count(),
'upcoming_shows_count': Show.query.filter(
Show.start_time > datetime.now(),
Show.artist_id == self.id
).count()
}