class BookInShelf(db.Model): #link between Book and Shelf
id = db.Column(db.Integer, primary_key=True)
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), nullable=False)
shelf_id = db.Column(db.Integer, db.ForeignKey('shelf.id'), nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
book = db.relationship('Book', back_populates='shelves')
shelf = db.relationship('Shelf', back_populates='books')
class FriendRequest(db.Model):
id = db.Column(db.Integer, primary_key=True)
sender_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
receiver_id = db.Column(db.Integer,
db.ForeignKey('user.id'),
nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
class Shelf(db.Model):
id = db.Column(db.Integer, primary_key=True)
owner_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
name = db.Column(db.String(100), nullable=False)
books = db.relationship('BookInShelf',
back_populates='shelf',
cascade="all, delete-orphan")
class AuthorBookLink(db.Model): #link between Author and Book
__tablename__ = 'author_book_link'
author_id = db.Column(db.Integer,
db.ForeignKey('author.id'),
primary_key=True)
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), primary_key=True)
author_role = db.Column(db.String(50))
author = db.relationship('Author', back_populates='books')
book = db.relationship('Book', back_populates='authors')
class UserLikedReview(db.Model, SerializerMixin):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
review_id = db.Column(db.Integer,
db.ForeignKey('review.id'),
nullable=False)
user = db.relationship('User', back_populates='liked_reviews')
review = db.relationship('Review', back_populates='likes')
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
class SimilarBooks(db.Model):
id = db.Column(db.Integer, primary_key=True)
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), nullable=False)
similar_book_id = db.Column(db.Integer,
db.ForeignKey('book.id'),
nullable=False)
def get_similar_book(self):
return Book.query.get(self.similar_book_id)
class UserLikedUpdate(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
update_id = db.Column(db.Integer,
db.ForeignKey('update.id'),
nullable=False)
user = db.relationship('User', back_populates='liked_updates')
update = db.relationship('Update', back_populates='likes')
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
class UserCommentedReview(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
review_id = db.Column(db.Integer,
db.ForeignKey('review.id'),
nullable=False)
user = db.relationship('User', back_populates='review_comments')
review = db.relationship('Review', back_populates='comments')
comment = db.Column(db.Text, nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
class Author(db.Model):
id = db.Column(db.Integer, primary_key=True)
goodreads_id = db.Column(db.Integer, nullable=False)
name = db.Column(db.String(100), nullable=False)
small_image_url = db.Column(db.String(100), nullable=False)
image_url = db.Column(db.String(100), nullable=False)
big_image_url = db.Column(db.String(100))
about = db.Column(db.Text)
born_at = db.Column(db.String(20))
died_at = db.Column(db.String(20))
hometown = db.Column(db.String(100))
books = db.relationship('AuthorBookLink',
back_populates='author',
cascade="all, delete-orphan")
class Genre(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(100), nullable=False)
books = db.relationship('BookInGenre',
back_populates='genre',
cascade="all, delete-orphan")
def is_main_genre(self):
return self.name not in [
'to-read', 'currently-reading', 'owned', 'default', 'favorites',
'books-i-own', 'ebook', 'kindle', 'library', 'audiobook',
'owned-books', 'audiobooks', 'my-books', 'ebooks', 'to-buy',
'english', 'calibre', 'books', 'british', 'audio', 'my-library',
'favourites', 're-read', 'general', 'e-books', 'ya', '5-star',
'5-stars', 'read-2020', 'read-2019', 'read-2018', 'read-2017'
]
class Update(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
timestamp = db.Column(db.DateTime, nullable=False, default=datetime.now)
event_type = db.Column(db.String(30), nullable=False)
event_id = db.Column(db.Integer)
likes = db.relationship('UserLikedUpdate',
back_populates='update',
cascade="all, delete-orphan")
comments = db.relationship('UserCommentedUpdate',
back_populates='update',
cascade="all, delete-orphan")
def get_event(self):
if self.event_type == 'review':
return Review.query.get(self.event_id)
return BookInShelf.query.get(self.event_id)
class Notification(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
is_read = db.Column(db.Boolean, nullable=False, default=False)
timestamp = db.Column(db.DateTime, nullable=False, default=datetime.now)
event_type = db.Column(db.String(30), nullable=False)
event_id = db.Column(db.Integer)
def get_event(self):
if self.event_type == 'review_like':
event = UserLikedReview.query.get(self.event_id)
return event, event.review
elif self.event_type == 'update_like':
event = UserLikedUpdate.query.get(self.event_id)
return event, event.update
elif self.event_type == 'review_comment':
event = UserCommentedReview.query.get(self.event_id)
return event, event.review
event = UserCommentedUpdate.query.get(self.event_id)
return event, event.update
def get_notification_message(self):
if self.event_type == 'review_like':
target = UserLikedReview.query.get(self.event_id).review
message = ' liked your review: ' + '"' + target.review[:50] + '..."'
elif self.event_type == 'update_like':
message = ' liked your update'
elif self.event_type == 'review_comment':
target = UserCommentedReview.query.get(self.event_id).review
message = ' commented on your review: ' + target.review
else:
message = ' commented on your update'
return message
class Message(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(100), nullable=False)
content = db.Column(db.Text, nullable=False)
sender_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
receiver_id = db.Column(db.Integer,
db.ForeignKey('user.id'),
nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
class Review(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), nullable=False)
rating = db.Column(db.Integer, nullable=False)
review = db.Column(db.Text, nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
likes = db.relationship('UserLikedReview',
back_populates='review',
cascade="all, delete-orphan")
comments = db.relationship('UserCommentedReview',
back_populates='review',
cascade="all, delete-orphan")
class Book(db.Model):
id = db.Column(db.Integer, primary_key=True)
goodreads_id = db.Column(db.Integer, nullable=False)
isbn = db.Column(db.Integer)
title = db.Column(db.String(100), nullable=False)
description = db.Column(db.Text, default="Yet to come.")
publisher = db.Column(db.String(1000))
publication_date = db.Column(db.DateTime)
page_count = db.Column(db.Integer)
image_url = db.Column(db.String(100), nullable=False)
big_image_url = db.Column(db.String(100), nullable=False)
small_image_url = db.Column(db.String(100), nullable=False)
reviews = db.relationship('Review', backref='book', lazy=True)
shelves = db.relationship('BookInShelf',
back_populates='book',
cascade="all, delete-orphan")
genres = db.relationship('BookInGenre',
back_populates='book',
cascade="all, delete-orphan")
authors = db.relationship('AuthorBookLink',
back_populates='book',
cascade="all, delete-orphan")
similar_books = db.relationship('SimilarBooks',
foreign_keys='SimilarBooks.book_id',
backref='book',
lazy=True)
def get_main_genres(self):
return [
book_in_genre.genre for book_in_genre in self.genres
if book_in_genre.genre.is_main_genre()
]
class BookInGenre(db.Model): #link between Book and Genre
id = db.Column(db.Integer, primary_key=True)
book_id = db.Column(db.Integer, db.ForeignKey('book.id'), nullable=False)
genre_id = db.Column(db.Integer, db.ForeignKey('genre.id'), nullable=False)
book = db.relationship('Book', back_populates='genres')
genre = db.relationship('Genre', back_populates='books')
class User(db.Model, UserMixin):
id = db.Column(db.Integer, primary_key=True)
is_admin = db.Column(db.Boolean, nullable=False, default=False)
is_moderator = db.Column(db.Boolean, nullable=False, default=False)
first_name = db.Column(db.String(50), nullable=False)
last_name = db.Column(db.String(50), nullable=False)
email = db.Column(db.String(120), unique=True, nullable=False)
image_file = db.Column(db.String(20),
nullable=False,
default='default.jpg')
password = db.Column(db.String(60), nullable=False)
reviews = db.relationship('Review', backref='user', lazy=True)
shelves = db.relationship('Shelf', backref='owner', lazy=True)
requests_sent = db.relationship('FriendRequest',
foreign_keys='FriendRequest.sender_id',
backref='sender',
lazy=True)
requests_received = db.relationship(
'FriendRequest',
foreign_keys='FriendRequest.receiver_id',
backref='receiver',
lazy=True)
messages_sent = db.relationship('Message',
foreign_keys='Message.sender_id',
backref='sender',
lazy=True)
messages_received = db.relationship('Message',
foreign_keys='Message.receiver_id',
backref='receiver',
lazy=True)
friends = db.relationship('Friendship',
foreign_keys='Friendship.user_id',
backref='user',
lazy=True)
friend_of = db.relationship('Friendship',
foreign_keys='Friendship.friend_id',
backref='friend',
lazy=True)
liked_reviews = db.relationship('UserLikedReview',
back_populates='user',
cascade="all, delete-orphan")
review_comments = db.relationship('UserCommentedReview',
back_populates='user',
cascade="all, delete-orphan")
liked_updates = db.relationship('UserLikedUpdate',
back_populates='user',
cascade="all, delete-orphan")
update_comments = db.relationship('UserCommentedUpdate',
back_populates='user',
cascade="all, delete-orphan")
notifications = db.relationship('Notification', backref='user', lazy=True)
updates = db.relationship('Update', backref='user', lazy=True)
unseen_notifications = db.Column(db.Integer, default=0)
def get_latest_notifications(self):
notifs = self.notifications
notifs.reverse()
return notifs
def reset_unseen_notifications(self):
self.unseen_notifications = 0
def get_reset_token(self, expires_sec=1800):
s = Serializer(app.config['SECRET_KEY'], expires_sec)
return s.dumps({'user_id': self.id}).decode('utf-8')
@staticmethod
def verify_reset_token(token):
s = Serializer(app.config['SECRET_KEY'])
try:
user_id = s.loads(token)['user_id']
except:
return None
return User.query.get(user_id)
def __repr__(self):
return f"User('{self.first_name}')"
class Friendship(db.Model):
id = db.Column(db.Integer, primary_key=True)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
friend_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
date_posted = db.Column(db.DateTime, nullable=False, default=datetime.now)
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
author_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
text = db.Column(db.Text)
