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57 lines
1.5 KiB
Python

from app import db
from marshmallow import Schema, fields, ValidationError, pre_load
authors = db.Table('books_authors',
db.Column('book_id', db.Integer, db.ForeignKey('books.id'), primary_key=True),
db.Column('author_id', db.Integer, db.ForeignKey('authors.id'), primary_key=True)
)
class Book(db.Model):
__tablename__ = 'books'
id = db.Column(db.Integer, primary_key = True)
title = db.Column(db.String(255))
file = db.Column(db.String(255))
cover = db.Column(db.String(255))
fileformat = db.Column(db.String(255))
tag = db.Column(db.String(255))
authors = db.relationship('Author', secondary=authors, lazy='subquery',
backref=db.backref('books', lazy=True))
def __init__(self, title, file, cover, fileformat, tag):
self.title = title
self.file = file
self.cover = cover
self.fileformat = fileformat
self.tag = tag
def __repr__(self):
return '<Title %r>' % self.title
def get_id(self):
return self.id
class Author(db.Model):
__tablename__ = 'authors'
id = db.Column(db.Integer(), primary_key=True)
author_name = db.Column(db.String(50))
def __init__(self, author_name):
self.author_name = author_name
class BookSchema(Schema):
id = fields.Int(dump_only=True)
title = fields.Str()
author = fields.Str()
file = fields.Str()
cover = fields.Str()
fileformat = fields.Str()
tag = fields.Str()
def must_not_be_blank(data):
if not data:
raise ValidationError('You forgot to write stuff.')