forget-cancellare-vecchi-toot/model.py

126 lines
4.1 KiB
Python

from datetime import datetime
from app import db
from twitter import Twitter, OAuth
import secrets
from lib import decompose_interval
from datetime import timedelta
class TimestampMixin(object):
created_at = db.Column(db.DateTime, server_default=db.func.now())
updated_at = db.Column(db.DateTime, server_default=db.func.now(), onupdate=db.func.now())
def touch(self):
self.updated_at=db.func.now()
class RemoteIDMixin(object):
@property
def service(self):
if not self.id:
return None
return self.id.split(":")[0]
@property
def twitter_id(self):
if not self.id:
return None
if self.service != "twitter":
raise Exception("wrong service bucko")
return self.id.split(":")[1]
@twitter_id.setter
def twitter_id(self, id):
self.id = "twitter:{}".format(id)
@decompose_interval('policy_delete_every')
@decompose_interval('policy_keep_younger')
class Account(TimestampMixin, RemoteIDMixin):
__tablename__ = 'accounts'
id = db.Column(db.String, primary_key=True)
policy_enabled = db.Column(db.Boolean, server_default='FALSE', nullable=False)
policy_keep_latest = db.Column(db.Integer, server_default='0')
policy_keep_favourites = db.Column(db.Boolean, server_default='TRUE')
policy_delete_every = db.Column(db.Interval, server_default='0')
policy_keep_younger = db.Column(db.Interval, server_default='0')
remote_display_name = db.Column(db.String)
remote_screen_name = db.Column(db.String)
remote_avatar_url = db.Column(db.String)
last_fetch = db.Column(db.DateTime, server_default='epoch')
last_delete = db.Column(db.DateTime, server_default='epoch')
def touch_fetch(self):
self.last_fetch = db.func.now()
@db.validates('policy_keep_younger', 'policy_delete_every')
def validate_intervals(self, key, value):
if not (value == timedelta(0) or value >= timedelta(minutes=1)):
value = timedelta(minutes=1)
return value
# backref: tokens
# backref: twitter_archives
# backref: posts
def __repr__(self):
return f"<Account({self.id}, {self.remote_screen_name}, {self.remote_display_name})>"
def post_count(self):
return Post.query.with_parent(self).count()
class Account(Account, db.Model):
pass
class OAuthToken(db.Model, TimestampMixin):
__tablename__ = 'oauth_tokens'
token = db.Column(db.String, primary_key=True)
token_secret = db.Column(db.String, nullable=False)
account_id = db.Column(db.String, db.ForeignKey('accounts.id'))
account = db.relationship(Account, backref=db.backref('tokens', order_by=lambda: db.desc(OAuthToken.created_at)))
class Session(db.Model, TimestampMixin):
__tablename__ = 'sessions'
id = db.Column(db.String, primary_key=True, default=lambda: secrets.token_urlsafe())
account_id = db.Column(db.String, db.ForeignKey('accounts.id'))
account = db.relationship(Account, lazy='joined')
class Post(db.Model, TimestampMixin, RemoteIDMixin):
__tablename__ = 'posts'
id = db.Column(db.String, primary_key=True)
body = db.Column(db.String)
author_id = db.Column(db.String, db.ForeignKey('accounts.id'))
author = db.relationship(Account,
backref=db.backref('posts', order_by=lambda: db.desc(Post.created_at)))
favourite = db.Column(db.Boolean, server_default='FALSE', nullable=False)
def __repr__(self):
snippet = self.body
if len(snippet) > 20:
snippet = snippet[:19] + ""
return '<Post ({}, "{}", Author: {})>'.format(self.id, snippet, self.author_id)
class TwitterArchive(db.Model, TimestampMixin):
__tablename__ = 'twitter_archives'
id = db.Column(db.Integer, primary_key=True)
account_id = db.Column(db.String, db.ForeignKey('accounts.id'), nullable=False)
account = db.relationship(Account, backref=db.backref('twitter_archives', order_by=lambda: db.desc(TwitterArchive.id)))
body = db.deferred(db.Column(db.LargeBinary, nullable=False))
chunks = db.Column(db.Integer)
chunks_successful = db.Column(db.Integer, server_default='0')
chunks_failed = db.Column(db.Integer, server_default='0')