Restructurign code

models/attendance.py

@@ -0,0 +1,58 @@
+"""
+Attendance Model for QR Attendance Management System
+===================================================
+
+AttendanceData model for tracking attendance records with location support.
+Extracted from app.py for better code organization.
+"""
+
+from datetime import datetime
+from . import base
+
+class AttendanceData(base.db.Model):
+    """Enhanced attendance tracking model with location support"""
+    __tablename__ = 'attendance_data'
+    
+    # Existing fields
+    id = base.db.Column(base.db.Integer, primary_key=True)
+    qr_code_id = base.db.Column(base.db.Integer, base.db.ForeignKey('qr_codes.id', ondelete='CASCADE'), nullable=False)
+    employee_id = base.db.Column(base.db.String(50), nullable=False)
+    check_in_date = base.db.Column(base.db.Date, nullable=False, default=datetime.today)
+    check_in_time = base.db.Column(base.db.Time, nullable=False, default=datetime.now().time)
+    device_info = base.db.Column(base.db.String(200))
+    user_agent = base.db.Column(base.db.Text)
+    ip_address = base.db.Column(base.db.String(45))
+    location_name = base.db.Column(base.db.String(100), nullable=False)
+    status = base.db.Column(base.db.String(20), default='present')
+    created_timestamp = base.db.Column(base.db.DateTime, default=datetime.utcnow)
+    updated_timestamp = base.db.Column(base.db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+    latitude = base.db.Column(base.db.Float, nullable=True)
+    longitude = base.db.Column(base.db.Float, nullable=True)
+    accuracy = base.db.Column(base.db.Float, nullable=True)
+    location_accuracy = base.db.Column(base.db.Float, nullable=True)
+    altitude = base.db.Column(base.db.Float, nullable=True)
+    location_source = base.db.Column(base.db.String(50), default='manual')
+    address = base.db.Column(base.db.String(500), nullable=True)
+    
+    # Relationships
+    qr_code = base.db.relationship('QRCode', backref=base.db.backref('attendance_records', lazy='dynamic'))
+    
+    def __repr__(self):
+        return f'<AttendanceData {self.employee_id} at {self.location_name} on {self.check_in_date}>'
+    
+    @property
+    def has_location_data(self):
+        """Check if this record has GPS coordinates"""
+        return self.latitude is not None and self.longitude is not None
+    
+    @property
+    def location_accuracy_level(self):
+        """Get human-readable accuracy level"""
+        if not self.accuracy:
+            return 'unknown'
+        elif self.accuracy <= 5:
+            return 'high'
+        elif self.accuracy <= 20:
+            return 'medium'
+        else:
+            return 'low'