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from sqlalchemy import create_engine, Table, Column, Text, String, Integer, DateTime, JSON, ForeignKey
from sqlalchemy.orm import relationship, foreign, remote
import sqlalchemy.sql.functions as func
from sqlalchemy_utc import UtcDateTime, utcnow
from wtforms_alchemy import ModelForm
from app.sql.common import db, Base, Session
from app.sql.models.tile import Tile
from app.settings import app_cfg
class Page(Base):
"""Table for storing references to pages"""
__tablename__ = 'page'
id = Column(Integer, primary_key=True)
graph_id = Column(Integer, ForeignKey('graph.id'), nullable=True)
path = Column(String(64, convert_unicode=True), nullable=False)
title = Column(String(64, convert_unicode=True), nullable=False)
username = Column(String(32, convert_unicode=True), nullable=False)
description = Column(Text(convert_unicode=True), nullable=False)
settings = Column(JSON, default={}, nullable=True)
created_at = Column(UtcDateTime(), default=utcnow())
updated_at = Column(UtcDateTime(), onupdate=utcnow())
tiles = relationship("Tile", foreign_keys="Tile.page_id", lazy='dynamic', order_by="asc(Tile.sort_order)")
backlinks = relationship("Tile", primaryjoin=id == foreign(Tile.target_page_id), lazy='dynamic')
def toJSON(self):
return {
'id': self.id,
'graph_id': self.graph_id,
'path': self.path,
'title': self.title,
'username': self.username,
'description': self.description,
'settings': self.settings,
'created_at': self.created_at,
'updated_at': self.updated_at,
}
def toLinkJSON(self):
data = self.toJSON()
data['backlinks'] = [ tile.toJSON() for tile in self.backlinks ]
return data
def toFullJSON(self):
data = self.toJSON()
data['tiles'] = [ tile.toJSON() for tile in self.tiles ]
return data
class PageForm(ModelForm):
class Meta:
model = Page
exclude = ['description', 'settings', 'created_at', 'updated_at']
def get_session():
return Session()
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