37 lines
1.5 KiB
Python
37 lines
1.5 KiB
Python
from database.database import db
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class TrainingProject(db.Model):
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__tablename__ = 'training_project'
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project_id = db.Column(db.Integer, primary_key=True, unique=True, autoincrement=True)
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title = db.Column(db.String(255), nullable=False)
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description = db.Column(db.String(500))
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project_image = db.Column(db.LargeBinary)
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project_image_type = db.Column(db.String(100))
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# Relationship to classes (3NF)
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classes_relation = db.relationship('ProjectClass', backref='project', lazy=True, cascade='all, delete-orphan')
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def to_dict(self, include_classes=True):
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result = {
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'project_id': self.project_id,
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'title': self.title,
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'description': self.description,
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'project_image_type': self.project_image_type
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}
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# Include classes as array for backwards compatibility
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if include_classes:
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from models.ProjectClass import ProjectClass
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classes = ProjectClass.query.filter_by(project_id=self.project_id).order_by(ProjectClass.display_order).all()
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result['classes'] = [c.class_name for c in classes]
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if self.project_image:
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import base64
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base64_data = base64.b64encode(self.project_image).decode('utf-8')
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mime_type = self.project_image_type or 'image/png'
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result['project_image'] = f'data:{mime_type};base64,{base64_data}'
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else:
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result['project_image'] = None
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return result
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