Seprating Routes Function From app.py

- version : 2.1
- description : I have applied the seperation in the backend code and
  fixed some errors here and there ...like the typing error in routes/students.py
  ... I have replaced it with 'Any' type until I find A better solution
  for that .
//############################################//
	modified:   app.py
	new file:   extentions.py
	new file:   routes/__init__.py
	new file:   routes/csv.py
	new file:   routes/points.py
	new file:   routes/students.py
//############################################//

routes/csv.py

@@ -0,0 +1,107 @@
+from flask import Blueprint, send_from_directory, flash, redirect, url_for, request
+import csv
+import io
+import io
+import csv
+import datetime
+from app import validate_student_data , get_db_connection
+
+csv_bp = Blueprint('csv', __name__)
+
+@csv_bp.route('/import_csv', methods=['POST'])
+def import_csv():
+    if 'file' not in request.files:
+        flash('لم يتم تقديم ملف', 'danger')
+        return redirect(url_for('index'))
+
+    file = request.files['file']
+    if file.filename == '':
+        flash('لم يتم اختيار ملف', 'warning')
+        return redirect(url_for('index'))
+
+    if not str(file.filename).lower().endswith('.csv'):
+        flash('صيغة الملف غير مدعومة. يجب أن يكون CSV', 'danger')
+        return redirect(url_for('index'))
+
+    try:
+        stream = io.TextIOWrapper(file.stream, encoding='utf-8-sig')
+        csv_reader = csv.reader(stream)
+        valid_rows = []
+        row_errors = []
+
+        expected_columns = 12
+
+        for i, row in enumerate(csv_reader, 1):
+            if len(row) != expected_columns:
+                row_errors.append(f'السطر {i}: عدد الأعمدة غير صحيح ({expected_columns} مطلوبة)')
+                continue
+
+            student_data = {
+                'student_name': row[0].strip(),
+                'age': row[1].strip(),
+                'parent_name': row[2].strip(),
+                'parent_phone_1': row[3].strip(),
+                'parent_phone_2': row[4].strip(),
+                'student_phone': row[5].strip(),
+                'grade': row[6].strip(),
+                'school_name': row[7].strip(),
+                'address': row[8].strip(),
+                'memorizing': row[9].strip(),
+                'notes': row[10].strip(),
+                'registration_date': row[11].strip()
+            }
+
+            if not student_data['registration_date']:
+                student_data['registration_date'] = datetime.date.today().isoformat()
+
+            errors = validate_student_data(student_data)
+            if errors:
+                row_errors.append(f'السطر {i}: {"; ".join(errors)}')
+                continue
+
+            valid_rows.append((
+                student_data['student_name'],
+                int(student_data['age']),
+                student_data['parent_name'],
+                student_data['parent_phone_1'],
+                student_data['parent_phone_2'] or None,
+                student_data['student_phone'] or None,
+                student_data['grade'],
+                student_data['school_name'],
+                student_data['address'],
+                student_data['memorizing'],
+                student_data['notes'] or None,
+                student_data['registration_date']
+            ))
+
+        if row_errors:
+            flash(f'تم العثور على أخطاء في {len(row_errors)} سطراً', 'warning')
+            for error in row_errors[:5]:
+                flash(error, 'danger')
+            if len(row_errors) > 5:
+                flash(f'...و {len(row_errors)-5} أخطاء إضافية', 'danger')
+
+        if valid_rows:
+            with get_db_connection() as conn:
+                conn.executemany('''
+                    INSERT INTO students (
+                        student_name, age, parent_name,
+                        parent_phone_1, parent_phone_2,
+                        student_phone, grade, school_name,
+                        address, memorizing, notes, registration_date
+                    ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+                ''', valid_rows)
+                conn.commit()
+            flash(f'تم استيراد {len(valid_rows)} طالب بنجاح', 'success')
+        else:
+            flash('لم يتم استيراد أي سجلات', 'warning')
+
+    except csv.Error as e:
+        flash(f'خطأ في معالشة CSV: {str(e)}', 'danger')
+    except Exception as e:
+        flash(f'خطأ غير متوقع: {str(e)}', 'danger')
+    return redirect(url_for('index'))
+
+@csv_bp.route('/download_csv_template')
+def download_csv_template():
+    return send_from_directory('templates', 'template.csv', as_attachment=True)