26 lines
1.2 KiB
Python
Executable File
26 lines
1.2 KiB
Python
Executable File
from database.database import db
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class ClassMapping(db.Model):
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"""Class name mappings for training project details (3NF)"""
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__tablename__ = 'class_mapping'
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
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project_details_id = db.Column(db.Integer, db.ForeignKey('training_project_details.id', ondelete='CASCADE'), nullable=False)
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label_studio_project_id = db.Column(db.Integer, db.ForeignKey('label_studio_project.project_id', ondelete='CASCADE'), nullable=False)
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source_class = db.Column(db.String(255), nullable=False)
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target_class = db.Column(db.String(255), nullable=False)
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# Unique constraint: each source class can only be mapped once per project details AND label studio project
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__table_args__ = (
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db.UniqueConstraint('project_details_id', 'label_studio_project_id', 'source_class', name='uq_class_mapping'),
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)
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def to_dict(self):
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return {
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'id': self.id,
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'project_details_id': self.project_details_id,
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'label_studio_project_id': self.label_studio_project_id,
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'source_class': self.source_class,
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'target_class': self.target_class
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}
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