45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
from app import db
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from app.models.post import Post
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class Program(Post):
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__tablename__ = 'program'
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__mapper_args__ = {'polymorphic_identity': __tablename__}
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# ID of underlying Post object
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id = db.Column(db.Integer, db.ForeignKey('post.id'), primary_key=True)
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# Program name
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title = db.Column(db.Unicode(128))
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# TODO: Category (games/utilities/lessons)
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# TODO: Tags
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# TODO: Compatible calculator models
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thread_id = db.Column(db.Integer,db.ForeignKey('thread.id'),nullable=False)
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thread = db.relationship('Thread', foreign_keys=thread_id,
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back_populates='owner_program')
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# TODO: Number of views, statistics, attached files, etc
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def __init__(self, author, title, thread):
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"""
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Create a Program.
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Arguments:
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author -- post author (User, though only Members can post)
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title -- program title (unicode string)
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thread -- discussion thread attached to the topic
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"""
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Post.__init__(self, author)
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self.title = title
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self.thread = thread
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@staticmethod
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def from_topic(topic):
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p = Program(topic.author, topic.title, topic.thread)
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topic.promotion = p
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def __repr__(self):
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return f'<Program: #{self.id} "{self.title}">'
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