80 lines
3.3 KiB
Python
80 lines
3.3 KiB
Python
from app import db
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from datetime import datetime
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class Classroom(db.Model):
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__tablename__ = 'classrooms'
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id = db.Column(db.Integer, primary_key=True)
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campus_id = db.Column(db.Integer, db.ForeignKey('campuses.id'), nullable=False)
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building = db.Column(db.String(100), nullable=False)
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room_number = db.Column(db.String(50), nullable=False)
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floor = db.Column(db.Integer, nullable=False)
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capacity = db.Column(db.Integer, nullable=False)
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description = db.Column(db.Text)
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is_active = db.Column(db.Boolean, default=True, nullable=False)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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# Virtual field for code (combination of building and room_number)
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@property
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def code(self):
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return f"{self.building}-{self.room_number}"
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# Relationships
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reservations = db.relationship('Reservation', backref='classroom', lazy=True, cascade='all, delete-orphan')
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# Resources relationship (教室资源)
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resources = db.relationship('ClassroomResource', backref='classroom', lazy=True, cascade='all, delete-orphan')
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def to_dict(self):
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"""Convert classroom to dictionary"""
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return {
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'id': self.id,
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'code': self.code,
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'building': self.building,
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'floor': self.floor,
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'capacity': self.capacity,
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'description': self.description,
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'is_active': self.is_active,
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'created_at': self.created_at.isoformat() if self.created_at else None,
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'updated_at': self.updated_at.isoformat() if self.updated_at else None,
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'resources': [resource.to_dict() for resource in self.resources]
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}
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def get_full_location(self):
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"""Get full classroom location"""
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return f"{self.building} - Floor {self.floor}"
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def __repr__(self):
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return f'<Classroom {self.code}>'
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class ClassroomResource(db.Model):
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__tablename__ = 'classroom_resources'
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id = db.Column(db.Integer, primary_key=True)
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classroom_id = db.Column(db.Integer, db.ForeignKey('classrooms.id'), nullable=False)
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resource_type = db.Column(db.String(50), nullable=False) # PROJECTOR, WHITEBOARD, COMPUTER, etc.
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brand = db.Column(db.String(100))
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model = db.Column(db.String(100))
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specifications = db.Column(db.Text)
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functional = db.Column(db.Boolean, default=True)
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last_maintenance_date = db.Column(db.DateTime)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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def to_dict(self):
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"""Convert resource to dictionary"""
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return {
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'id': self.id,
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'classroom_id': self.classroom_id,
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'resource_type': self.resource_type,
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'brand': self.brand,
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'model': self.model,
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'specifications': self.specifications,
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'functional': self.functional,
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'last_maintenance_date': self.last_maintenance_date.isoformat() if self.last_maintenance_date else None,
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'created_at': self.created_at.isoformat() if self.created_at else None
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}
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def __repr__(self):
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return f'<Resource {self.resource_type} for Classroom {self.classroom_id}>' |