- version : 0.4
- description : successfully implementing import from .csv file feature
هذا الالتزام موجود في:
312
app.py
312
app.py
@@ -1,168 +1,232 @@
|
||||
import sqlite3
|
||||
import csv
|
||||
import io
|
||||
# The 'flash' import is no longer needed
|
||||
from flask import Flask, render_template, request, redirect, url_for
|
||||
import re
|
||||
from flask import Flask, render_template, request, redirect, url_for, flash
|
||||
|
||||
# Create a Flask application instance
|
||||
# --- App Setup ---
|
||||
app = Flask(__name__)
|
||||
# The 'secret_key' is no longer required as we are not using flash/sessions
|
||||
# app.secret_key = 'your_super_secret_key_12345'
|
||||
|
||||
app.secret_key = 'your_super_secret_key_12345'
|
||||
app.config['PHONE_REGEX'] = re.compile(r'^09\d{8}$') # Syrian phone format
|
||||
|
||||
# --- Database Functions ---
|
||||
|
||||
def get_db_connection():
|
||||
"""Creates and returns a connection to the SQLite database."""
|
||||
conn = sqlite3.connect('students.db')
|
||||
conn.row_factory = sqlite3.Row
|
||||
return conn
|
||||
|
||||
def init_db():
|
||||
"""Initializes the database. THIS IS ONLY RUN MANUALLY from the command line."""
|
||||
conn = get_db_connection()
|
||||
with conn:
|
||||
with get_db_connection() as conn:
|
||||
conn.execute('DROP TABLE IF EXISTS students')
|
||||
conn.execute('''
|
||||
CREATE TABLE students (
|
||||
id INTEGER PRIMARY KEY AUTOINCREMENT,
|
||||
student_name TEXT NOT NULL,
|
||||
age INTEGER NOT NULL,
|
||||
age INTEGER NOT NULL CHECK(age BETWEEN 5 AND 25),
|
||||
parent_name TEXT NOT NULL,
|
||||
parent_phone_1 TEXT NOT NULL,
|
||||
parent_phone_2 TEXT,
|
||||
student_phone TEXT,
|
||||
parent_phone_1 TEXT NOT NULL CHECK(length(parent_phone_1) = 10),
|
||||
parent_phone_2 TEXT CHECK(length(parent_phone_2) = 10 OR parent_phone_2 IS NULL),
|
||||
student_phone TEXT CHECK(length(student_phone) = 10 OR student_phone IS NULL),
|
||||
grade TEXT NOT NULL,
|
||||
school_name TEXT NOT NULL,
|
||||
address TEXT NOT NULL,
|
||||
memorizing TEXT NOT NULL
|
||||
)
|
||||
''')
|
||||
print("Database initialized and 'students' table created with the new schema.")
|
||||
# Add indexes for faster search
|
||||
conn.execute('CREATE INDEX idx_student_name ON students(student_name)')
|
||||
conn.execute('CREATE INDEX idx_parent_phone ON students(parent_phone_1)')
|
||||
print("Database initialized with schema constraints and indexes")
|
||||
|
||||
@app.cli.command('init-db')
|
||||
def init_db_command():
|
||||
"""Clears existing data and creates new tables."""
|
||||
init_db()
|
||||
print("Database initialized successfully")
|
||||
|
||||
# --- Validation Utilities ---
|
||||
def validate_phone(phone):
|
||||
return bool(app.config['PHONE_REGEX'].match(phone)) if phone else True
|
||||
|
||||
def validate_student_data(form_data, is_csv=False):
|
||||
errors = []
|
||||
required_fields = ['student_name', 'age', 'parent_name',
|
||||
'parent_phone_1', 'grade', 'school_name',
|
||||
'address', 'memorizing']
|
||||
|
||||
# Check required fields
|
||||
for field in required_fields:
|
||||
if not form_data.get(field):
|
||||
errors.append(f"حقل '{field}' مطلوب")
|
||||
|
||||
# Validate phone formats
|
||||
phones = [
|
||||
('parent_phone_1', form_data.get('parent_phone_1')),
|
||||
('parent_phone_2', form_data.get('parent_phone_2')),
|
||||
('student_phone', form_data.get('student_phone'))
|
||||
]
|
||||
|
||||
for field, value in phones:
|
||||
if value and not validate_phone(value):
|
||||
errors.append(f"رقم الهاتف '{field}' غير صالح. يجب أن يكون 10 أرقام ويبدأ بـ 09")
|
||||
|
||||
# Validate age
|
||||
try:
|
||||
age = int(form_data.get('age', 0))
|
||||
if not (5 <= age <= 25):
|
||||
errors.append("العمر يجب أن يكون بين 5 و 25 سنة")
|
||||
except ValueError:
|
||||
errors.append("العمر يجب أن يكون رقماً صحيحاً")
|
||||
|
||||
return errors
|
||||
|
||||
# --- App Routes ---
|
||||
|
||||
@app.route('/')
|
||||
def index():
|
||||
"""Renders the main page and displays any messages passed in the URL."""
|
||||
# Get the message from the URL query parameters
|
||||
message = request.args.get('message', None)
|
||||
category = request.args.get('category', None)
|
||||
|
||||
conn = get_db_connection()
|
||||
students = conn.execute('SELECT * FROM students ORDER BY id').fetchall()
|
||||
conn.close()
|
||||
|
||||
# Pass the message and students to the template
|
||||
return render_template('index.html', students=students, message=message, category=category)
|
||||
|
||||
@app.route('/add', methods=['POST'])
|
||||
def add_student():
|
||||
"""Handles the form submission for adding a single new student."""
|
||||
try:
|
||||
student_name = request.form['student_name']
|
||||
age = request.form['age']
|
||||
parent_name = request.form['parent_name']
|
||||
parent_phone_1 = request.form['parent_phone_1']
|
||||
parent_phone_2 = request.form.get('parent_phone_2')
|
||||
student_phone = request.form.get('student_phone')
|
||||
grade = request.form['grade']
|
||||
school_name = request.form['school_name']
|
||||
address = request.form['address']
|
||||
memorizing = request.form['memorizing']
|
||||
|
||||
if not all([student_name, age, parent_name, parent_phone_1, grade, school_name, address, memorizing]):
|
||||
# Instead of flashing, redirect with a message
|
||||
return redirect(url_for('index', message='الرجاء تعبئة جميع الحقول المطلوبة.', category='danger'))
|
||||
with get_db_connection() as conn:
|
||||
students = conn.execute('''
|
||||
SELECT * FROM students
|
||||
ORDER BY student_name ASC
|
||||
''').fetchall()
|
||||
return render_template('index.html', students=students)
|
||||
except sqlite3.Error as e:
|
||||
flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
|
||||
return render_template('index.html', students=[])
|
||||
|
||||
conn = get_db_connection()
|
||||
conn.execute('''
|
||||
INSERT INTO students (student_name, age, parent_name, parent_phone_1, parent_phone_2, student_phone, grade, school_name, address, memorizing)
|
||||
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
|
||||
''', (student_name, age, parent_name, parent_phone_1, parent_phone_2, student_phone, grade, school_name, address, memorizing))
|
||||
conn.commit()
|
||||
conn.close()
|
||||
@app.route('/add_student', methods=['POST'])
|
||||
def add_student():
|
||||
form_data = request.form
|
||||
validation_errors = validate_student_data(form_data)
|
||||
|
||||
if validation_errors:
|
||||
for error in validation_errors:
|
||||
flash(error, 'danger')
|
||||
return redirect(url_for('index'))
|
||||
|
||||
try:
|
||||
student_data = (
|
||||
form_data['student_name'],
|
||||
int(form_data['age']),
|
||||
form_data['parent_name'],
|
||||
form_data['parent_phone_1'],
|
||||
form_data.get('parent_phone_2') or None,
|
||||
form_data.get('student_phone') or None,
|
||||
form_data['grade'],
|
||||
form_data['school_name'],
|
||||
form_data['address'],
|
||||
form_data['memorizing']
|
||||
)
|
||||
|
||||
message = 'تمت إضافة الطالب الجديد بنجاح!'
|
||||
category = 'success'
|
||||
with get_db_connection() as conn:
|
||||
conn.execute('''
|
||||
INSERT INTO students (
|
||||
student_name, age, parent_name,
|
||||
parent_phone_1, parent_phone_2,
|
||||
student_phone, grade, school_name,
|
||||
address, memorizing
|
||||
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
|
||||
''', student_data)
|
||||
conn.commit()
|
||||
|
||||
flash('تمت إضافة الطالب بنجاح!', 'success')
|
||||
return redirect(url_for('index'))
|
||||
|
||||
except sqlite3.IntegrityError as e:
|
||||
flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
|
||||
except Exception as e:
|
||||
message = f'حدث خطأ أثناء إضافة الطالب: {e}'
|
||||
category = 'danger'
|
||||
flash(f'خطأ غير متوقع: {str(e)}', 'danger')
|
||||
|
||||
return redirect(url_for('index'))
|
||||
|
||||
return redirect(url_for('index', message=message, category=category))
|
||||
|
||||
@app.route('/import', methods=['POST'])
|
||||
@app.route('/import_csv', methods=['POST'])
|
||||
def import_csv():
|
||||
"""Handles CSV import and redirects with a status message in the URL."""
|
||||
if 'file' not in request.files or request.files['file'].filename == '':
|
||||
return redirect(url_for('index', message='لم يتم اختيار أي ملف.', category='danger'))
|
||||
|
||||
if 'file' not in request.files:
|
||||
flash('لم يتم تقديم ملف', 'danger')
|
||||
return redirect(url_for('index'))
|
||||
|
||||
file = request.files['file']
|
||||
|
||||
if file and file.filename.endswith('.csv'):
|
||||
students_to_add = [] # This is our "2D vector"
|
||||
try:
|
||||
stream = io.StringIO(file.stream.read().decode("utf-8-sig"), newline=None)
|
||||
csv_reader = csv.reader(stream)
|
||||
|
||||
# First, read all rows from CSV into the students_to_add list
|
||||
for i, row in enumerate(csv_reader, start=1):
|
||||
if len(row) != 10:
|
||||
msg = f'خطأ في ملف CSV في السطر رقم {i}: يجب أن يحتوي السطر على 10 أعمدة.'
|
||||
return redirect(url_for('index', message=msg, category='danger'))
|
||||
try:
|
||||
# Validate and prepare the row data
|
||||
student_data = (
|
||||
row[0], int(row[1]), row[2], row[3],
|
||||
row[4] if row[4] else None, row[5] if row[5] else None,
|
||||
row[6], row[7], row[8], row[9]
|
||||
)
|
||||
students_to_add.append(student_data)
|
||||
except ValueError:
|
||||
msg = f"خطأ في ملف CSV في السطر رقم {i}: يجب أن يكون العمر (العمود الثاني) رقماً."
|
||||
return redirect(url_for('index', message=msg, category='danger'))
|
||||
|
||||
# If the list was successfully built, proceed to add to the database
|
||||
if students_to_add:
|
||||
conn = get_db_connection()
|
||||
# Use a try/except block for the database operation
|
||||
try:
|
||||
# Now, loop through the "2D vector" and add each student one by one
|
||||
for student in students_to_add:
|
||||
conn.execute('''
|
||||
INSERT INTO students (student_name, age, parent_name, parent_phone_1, parent_phone_2, student_phone, grade, school_name, address, memorizing)
|
||||
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
|
||||
''', student)
|
||||
|
||||
# If all insertions succeed, commit them to the database
|
||||
conn.commit()
|
||||
message = f'تم استيراد وإضافة {len(students_to_add)} طالب بنجاح!'
|
||||
category = 'success'
|
||||
except sqlite3.Error as e:
|
||||
# If any error occurs during insertion, the transaction is rolled back automatically
|
||||
message = f'حدث خطأ في قاعدة البيانات أثناء الإضافة: {e}'
|
||||
category = 'danger'
|
||||
finally:
|
||||
# Always close the connection
|
||||
conn.close()
|
||||
else:
|
||||
message = 'ملف CSV فارغ أو لا يمكن معالجته.'
|
||||
category = 'warning'
|
||||
|
||||
except Exception as e:
|
||||
message = f'حدث خطأ غير متوقع أثناء عملية الاستيراد: {e}'
|
||||
category = 'danger'
|
||||
if file.filename == '':
|
||||
flash('لم يتم اختيار ملف', 'warning')
|
||||
return redirect(url_for('index'))
|
||||
|
||||
if not 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 = []
|
||||
|
||||
return redirect(url_for('index', message=message, category=category))
|
||||
else:
|
||||
return redirect(url_for('index', message='صيغة الملف غير صالحة. الرجاء رفع ملف .csv فقط.', category='danger'))
|
||||
|
||||
for i, row in enumerate(csv_reader, 1):
|
||||
if len(row) != 10:
|
||||
row_errors.append(f'السطر {i}: عدد الأعمدة غير صحيح (10 مطلوبة)')
|
||||
continue
|
||||
|
||||
# Map CSV columns to form fields
|
||||
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()
|
||||
}
|
||||
|
||||
# Validate row
|
||||
errors = validate_student_data(student_data, is_csv=True)
|
||||
if errors:
|
||||
row_errors.append(f'السطر {i}: {"; ".join(errors)}')
|
||||
continue
|
||||
|
||||
# Prepare for insertion
|
||||
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']
|
||||
))
|
||||
|
||||
# Process validation results
|
||||
if row_errors:
|
||||
flash(f'تم العثور على أخطاء في {len(row_errors)} سطراً', 'warning')
|
||||
for error in row_errors[:5]: # Show first 5 errors
|
||||
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
|
||||
) 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 معالجة CSV: {str(e)}', 'danger')
|
||||
except Exception as e:
|
||||
flash(f'خطأ غير متوقع: {str(e)}', 'danger')
|
||||
|
||||
return redirect(url_for('index'))
|
||||
|
||||
if __name__ == '__main__':
|
||||
app.run(debug=True)
|
||||
app.run(debug=True)
|
||||
المرجع في مشكلة جديدة
حظر مستخدم