class Post(db.Model):
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(60))
body = db.Column(db.Text)
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
can_comment = db.Column(db.Boolean, default=True)
category_id = db.Column(db.Integer, db.ForeignKey('category.id'))
category = db.relationship('Category', back_populates='posts')
comments = db.relationship('Comment', back_populates='post',
cascade='all, delete-orphan')
class Post(Base):
"""
博客文章数据表模型类
"""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(60))
content = db.Column(db.Text)
create_time = db.Column(db.DateTime, default=datetime.utcnow)
categories = db.relationship('Category', secondary='post_category_middle')
comments = db.relationship('Comment', cascade='all, delete-orphan')
can_comment = db.Column(db.Boolean, default=True)
# SEO 相关，写在 <meta> 标签内
description = db.Column(db.String(150))
class Post(Base):
"""
博客文章数据表模型类
"""
id = db.Column(db.Integer, primary_key=True)
title = db.Column(db.String(60))
content_markdown = db.Column(
db.Text) # 储存 markdown 格式的正文，用以编辑时传递给 markdown 编辑器
content = db.Column(db.Text) # 储存 HTML 格式正文，用来展示
create_time = db.Column(db.DateTime, default=datetime.utcnow)
categories = db.relationship('Category', secondary='post_category_middle')
comments = db.relationship('Comment', cascade='all, delete-orphan')
can_comment = db.Column(db.Boolean, default=True)
description = db.Column(db.String(150)) # SEO 相关，写在 <meta> 标签内
trash = db.Column(db.Boolean, default=False)
published = db.Column(db.Boolean, default=True)
class Comment(db.Model):
id = db.Column(db.Integer, primary_key=True)
author = db.Column(db.String(30))
email = db.Column(db.String(64))
site = db.Column(db.String(255))
body = db.Column(db.Text)
from_admin = db.Column(db.Boolean, default=False)
reviewed = db.Column(db.Boolean, default=False)
timestamp = db.Column(db.DateTime, default=datetime.utcnow)
replied_id = db.Column(db.Integer, db.ForeignKey('comment.id'))
replied = db.relationship('Comment', back_populates='replies',
remote_side=[id])
replies = db.relationship('Comment', back_populates='replied',
cascade='all')
post_id = db.Column(db.Integer, db.ForeignKey('post.id'))
post = db.relationship('Post', back_populates='comments')
class Comment(Base):
"""
文章评论数据表模型类
"""
id = db.Column(db.Integer, primary_key=True)
author = db.Column(db.String(16))
email = db.Column(db.String(64))
site = db.Column(db.String(256))
content = db.Column(db.Text)
create_time = db.Column(db.DateTime, default=datetime.utcnow)
from_admin = db.Column(db.Boolean, default=False)
reviewed = db.Column(db.Boolean, default=False)
replied_id = db.Column(db.Integer, db.ForeignKey('comment.id'))
replied = db.relationship('Comment', remote_side=[id], uselist=False)
replies = db.relationship('Comment', cascade='all')
post_id = db.Column(db.Integer, db.ForeignKey('post.id'))
post = db.relationship('Post', uselist=False)
class Category(Base):
"""
文章分类数据表模型
"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(12), nullable=False, unique=True)
posts = db.relationship("Post", secondary='post_category_middle')
show = db.Column(db.Boolean, default=True)
class Category(db.Model):
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(30), unique=True)
posts = db.relationship('Post', back_populates='category')
def delete(self):
default_category = Category.query.get(1)
posts = self.posts[:]
for post in posts:
post.category = default_category
with db.auto_commit():
db.session.delete(self)
class Category(Base):
"""
文章分类数据表模型
"""
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(12), nullable=False, unique=True)
posts = db.relationship("Post", secondary='post_category_middle')
alias = db.Column(db.String(24), unique=True, nullable=True)
show = db.Column(db.Boolean, default=True)
def delete(self):
"""
执行删除分类操作
"""
if self.posts:
for post in self.posts:
# 如果要删除的分类文章没有其它分类则将其移动至默认分类下
if len(post.categories) == 1:
with db.auto_commit():
post.categories = [Category.query.get(1)]
db.session.add(post)
with db.auto_commit():
db.session.delete(self)
