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from sqlalchemy import create_engine, Table, Column, String, Integer, Boolean, DateTime, Text
from sqlalchemy.orm import relationship
from sqlalchemy_utc import UtcDateTime, utcnow
import sqlalchemy.sql.functions as func
from wtforms_alchemy import ModelForm
from app.sql.common import Base, Session
from app.sql.models.collection_media import CollectionMedia
class Collection(Base):
"""Table for storing references to various media"""
__tablename__ = 'collection'
id = Column(Integer, primary_key=True)
title = Column(String(64, convert_unicode=True), nullable=False)
username = Column(String(16, convert_unicode=True), nullable=False)
notes = Column(Text)
archived = Column(Boolean, default=False)
created_at = Column(UtcDateTime(), default=utcnow())
updated_at = Column(UtcDateTime(), onupdate=utcnow())
medias = relationship("Media", secondary="collection_media", lazy='dynamic')
def toJSON(self):
return {
'id': self.id,
'title': self.title,
'username': self.username,
'notes': self.notes,
'archived': self.archived,
'created_at': self.created_at,
'updated_at': self.updated_at,
'media': [media.toJSON() for media in self.medias.limit(7)],
}
def toFullJSON(self):
return {
'id': self.id,
'title': self.title,
'username': self.username,
'notes': self.notes,
'archived': self.archived,
'created_at': self.created_at,
'updated_at': self.updated_at,
'media': [media.toJSON() for media in self.medias],
}
def getMediaCounts(session):
return session.query(
CollectionMedia.collection_id,
func.count(CollectionMedia.media_id)
).group_by(CollectionMedia.collection_id).all()
class CollectionForm(ModelForm):
class Meta:
model = Collection
exclude = ['created_at', 'updated_at']
def get_session():
return Session()
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