36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
from app import db
|
|
from app.models.post import Post
|
|
from app.models.comment import Comment
|
|
from config import V5Config
|
|
|
|
class Thread(Post):
|
|
""" Some thread, such as a topic, program, tutorial """
|
|
|
|
# Foreign Post object ID
|
|
__tablename__ = 'thread'
|
|
id = db.Column(db.Integer, db.ForeignKey('post.id'), primary_key=True)
|
|
|
|
# Identify threads as a type of posts using the table name, and add a
|
|
# column to further discriminate types of threads
|
|
thread_type = db.Column(db.String(20))
|
|
__mapper_args__ = {
|
|
'polymorphic_identity': __tablename__,
|
|
'polymorphic_on': thread_type
|
|
}
|
|
|
|
# Properties
|
|
title = db.Column(db.Unicode(V5Config.THREAD_NAME_MAXLEN))
|
|
# Also a relation [comments] populated from the Comment class.
|
|
|
|
# Relations
|
|
top_comment_id = db.Column(db.Integer, db.ForeignKey('comment.id'))
|
|
top_comment = db.relationship('Comment', foreign_keys=top_comment_id)
|
|
|
|
def __init__(self, author, text, title):
|
|
""" Create a Thread """
|
|
Post.__init__(author, text)
|
|
self.title = title
|
|
|
|
def __repr__(self):
|
|
return f'<Thread #{self.id}'
|