rest endpoints

restendpoint_nfc.py

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+from flask import Flask, jsonify, request
+from flask_sqlalchemy import SQLAlchemy
+import datetime
+
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///attendance.db'
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+
+
+db = SQLAlchemy(app)
+
+
+class Student(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(50), nullable=False)
+    serial_id = db.Column(db.String(20), unique=True, nullable=False)
+    attendance_records = db.relationship('Attendance', backref='student', lazy=True)
+
+
+    def to_dict(self):
+        return {'id': self.id, 'name': self.name, 'serial_id': self.serial_id}
+
+
+class Attendance(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    date = db.Column(db.Date, nullable=False, default=datetime.date.today())
+    student_id = db.Column(db.Integer, db.ForeignKey('student.id'), nullable=False)
+
+
+    def to_dict(self):
+        return {'id': self.id, 'date': self.date.isoformat(), 'student_id': self.student_id}
+
+
+@app.route('/attendance', methods=['GET', 'POST'])
+def attendance():
+    if request.method == 'GET':
+        students = Student.query.all()
+        return jsonify([student.to_dict() for student in students])
+    elif request.method == 'POST':
+        if not request.json or not 'serial_id' in request.json:
+            return jsonify({'error': 'Serial ID is required'}), 400
+
+
+        student = Student.query.filter_by(serial_id=request.json['serial_id']).first()
+        if not student:
+            return jsonify({'error': 'Invalid Serial ID'}), 400
+
+
+        attendance_record = Attendance(student_id=student.id)
+        db.session.add(attendance_record)
+        db.session.commit()
+
+
+        return jsonify({'success': 'Attendance recorded successfully'}), 201
+    else:
+        return jsonify({'error': 'This endpoint only supports GET and POST requests'}), 405
+
+
+@app.route('/attendance/<int:student_id>', methods=['GET'])
+def get_attendance(student_id):
+    student = Student.query.get(student_id)
+    if not student:
+        return jsonify({'error': 'Student not found'}), 404
+
+
+    attendance_records = Attendance.query.filter_by(student_id=student.id).all()
+    if not attendance_records:
+        return jsonify({'error': 'No attendance records found'}), 404
+
+    return jsonify([record.to_dict() for record in attendance_records])
+
+
+if __name__ == '__main__':
+    with app.app_context():
+        db.create_all()
+
+
+    app.run(debug=True)