open-law/app/models/book.py

95 lines
3.0 KiB
Python

from flask_login import current_user
from sqlalchemy import and_
from app import db, models as m
from app.models.utils import BaseModel
class Book(BaseModel):
__tablename__ = "books"
label = db.Column(db.String(256), unique=False, nullable=False)
about = db.Column(db.Text, unique=False, nullable=True)
# Foreign keys
user_id = db.Column(db.ForeignKey("users.id"))
# Relationships
owner = db.relationship("User", viewonly=True)
stars = db.relationship("User", secondary="books_stars", back_populates="stars")
contributors = db.relationship("BookContributor")
versions = db.relationship("BookVersion")
tags = db.relationship(
"Tag",
secondary="book_tags",
back_populates="books",
)
def __repr__(self):
return f"<{self.id}: {self.label}>"
@property
def last_version(self):
return self.versions[-1]
@property
def current_user_has_star(self):
if current_user.is_authenticated:
book_star: m.BookStar = m.BookStar.query.filter_by(
user_id=current_user.id, book_id=self.id
).first()
if book_star:
return True
@property
def approved_comments(self):
comments = (
db.session.query(
m.Comment,
)
.filter(
and_(
m.BookVersion.id == self.last_version.id,
m.Section.version_id == m.BookVersion.id,
m.Collection.id == m.Section.collection_id,
m.Interpretation.section_id == m.Section.id,
m.Comment.interpretation_id == m.Interpretation.id,
m.Comment.approved.is_(True),
m.Comment.is_deleted.is_(False),
m.BookVersion.is_deleted.is_(False),
m.Interpretation.is_deleted.is_(False),
m.Section.is_deleted.is_(False),
m.Collection.is_deleted.is_(False),
),
)
.order_by(m.Comment.created_at.desc())
.all()
)
return comments
@property
def approved_interpretations(self):
interpretations = (
db.session.query(
m.Interpretation,
)
.filter(
and_(
m.BookVersion.id == self.last_version.id,
m.Section.version_id == m.BookVersion.id,
m.Collection.id == m.Section.collection_id,
m.Interpretation.section_id == m.Section.id,
m.Interpretation.approved.is_(True),
m.BookVersion.is_deleted.is_(False),
m.Interpretation.is_deleted.is_(False),
m.Section.is_deleted.is_(False),
m.Collection.is_deleted.is_(False),
),
)
.order_by(m.Interpretation.created_at.desc())
.all()
)
return interpretations