notytex/app.py

from flask import Flask, render_template, request, redirect, url_for, flash, jsonify
from flask_sqlalchemy import SQLAlchemy
from flask_wtf import FlaskForm
from wtforms import StringField, TextAreaField, FloatField, SelectField, DateField, IntegerField
from wtforms.validators import DataRequired, Email, NumberRange, Optional
from datetime import datetime

app = Flask(__name__)
app.config['SECRET_KEY'] = 'your-secret-key-here'
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///school_management.db'
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False

db = SQLAlchemy(app)

class ClassGroup(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(100), nullable=False, unique=True)
    description = db.Column(db.Text)
    year = db.Column(db.String(20), nullable=False)
    students = db.relationship('Student', backref='class_group', lazy=True)
    assessments = db.relationship('Assessment', backref='class_group', lazy=True)

    def __repr__(self):
        return f'<ClassGroup {self.name}>'

class Student(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    last_name = db.Column(db.String(100), nullable=False)
    first_name = db.Column(db.String(100), nullable=False)
    email = db.Column(db.String(120), unique=True)
    class_group_id = db.Column(db.Integer, db.ForeignKey('class_group.id'), nullable=False)
    grades = db.relationship('Grade', backref='student', lazy=True)

    def __repr__(self):
        return f'<Student {self.first_name} {self.last_name}>'

class Assessment(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String(200), nullable=False)
    description = db.Column(db.Text)
    date = db.Column(db.Date, nullable=False, default=datetime.utcnow)
    class_group_id = db.Column(db.Integer, db.ForeignKey('class_group.id'), nullable=False)
    coefficient = db.Column(db.Float, default=1.0)
    exercises = db.relationship('Exercise', backref='assessment', lazy=True, cascade='all, delete-orphan')

    def __repr__(self):
        return f'<Assessment {self.title}>'

class Exercise(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    assessment_id = db.Column(db.Integer, db.ForeignKey('assessment.id'), nullable=False)
    title = db.Column(db.String(200), nullable=False)
    description = db.Column(db.Text)
    order = db.Column(db.Integer, default=1)
    grading_elements = db.relationship('GradingElement', backref='exercise', lazy=True, cascade='all, delete-orphan')

    def __repr__(self):
        return f'<Exercise {self.title}>'

class GradingElement(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    exercise_id = db.Column(db.Integer, db.ForeignKey('exercise.id'), nullable=False)
    label = db.Column(db.String(200), nullable=False)
    description = db.Column(db.Text)
    skill = db.Column(db.String(200))
    max_points = db.Column(db.Float, nullable=False)
    grading_type = db.Column(db.String(10), nullable=False, default='points')  # 'score' or 'points'
    grades = db.relationship('Grade', backref='grading_element', lazy=True, cascade='all, delete-orphan')

    def __repr__(self):
        return f'<GradingElement {self.label}>'

class Grade(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    student_id = db.Column(db.Integer, db.ForeignKey('student.id'), nullable=False)
    grading_element_id = db.Column(db.Integer, db.ForeignKey('grading_element.id'), nullable=False)
    value = db.Column(db.String(10))  # String to handle scores (0,1,2,3,.) and points
    comment = db.Column(db.Text)

    def __repr__(self):
        return f'<Grade {self.value} for {self.student.first_name}>'

@app.route('/')
def index():
    recent_assessments = Assessment.query.order_by(Assessment.date.desc()).limit(5).all()
    total_students = Student.query.count()
    total_assessments = Assessment.query.count()
    total_classes = ClassGroup.query.count()
    return render_template('index.html', 
                         recent_assessments=recent_assessments,
                         total_students=total_students,
                         total_assessments=total_assessments,
                         total_classes=total_classes)

@app.route('/classes')
def classes():
    classes = ClassGroup.query.order_by(ClassGroup.year, ClassGroup.name).all()
    return render_template('classes.html', classes=classes)

@app.route('/students')
def students():
    students = Student.query.join(ClassGroup).order_by(ClassGroup.name, Student.last_name, Student.first_name).all()
    return render_template('students.html', students=students)

@app.route('/assessments')
def assessments():
    assessments = Assessment.query.join(ClassGroup).order_by(Assessment.date.desc()).all()
    return render_template('assessments.html', assessments=assessments)

@app.cli.command()
def init_db():
    """Initialize the database with sample data."""
    db.create_all()
    
    # Check if data already exists
    if ClassGroup.query.first():
        print("Database already initialized!")
        return
    
    # Create sample class groups
    classe_6a = ClassGroup(name="6ème A", description="Classe de 6ème A", year="2024-2025")
    classe_5b = ClassGroup(name="5ème B", description="Classe de 5ème B", year="2024-2025")
    
    db.session.add(classe_6a)
    db.session.add(classe_5b)
    db.session.commit()
    
    # Create sample students
    students_data = [
        ("Dupont", "Marie", "marie.dupont@email.com", classe_6a.id),
        ("Martin", "Pierre", "pierre.martin@email.com", classe_6a.id),
        ("Durand", "Sophie", "sophie.durand@email.com", classe_6a.id),
        ("Moreau", "Lucas", "lucas.moreau@email.com", classe_5b.id),
        ("Bernard", "Emma", "emma.bernard@email.com", classe_5b.id),
    ]
    
    for last_name, first_name, email, class_group_id in students_data:
        student = Student(
            last_name=last_name,
            first_name=first_name,
            email=email,
            class_group_id=class_group_id
        )
        db.session.add(student)
    
    db.session.commit()
    
    # Create sample assessment
    assessment = Assessment(
        title="Évaluation de mathématiques",
        description="Évaluation sur les fractions et les décimaux",
        class_group_id=classe_6a.id,
        coefficient=2.0
    )
    db.session.add(assessment)
    db.session.commit()
    
    # Create sample exercise
    exercise = Exercise(
        assessment_id=assessment.id,
        title="Exercice 1 - Fractions",
        description="Calculs avec les fractions",
        order=1
    )
    db.session.add(exercise)
    db.session.commit()
    
    # Create sample grading elements
    elements_data = [
        ("Calcul de base", "Addition et soustraction de fractions", "Calculer", 4.0, "points"),
        ("Méthode", "Justification de la méthode utilisée", "Raisonner", 2.0, "score"),
        ("Présentation", "Clarté de la présentation", "Communiquer", 2.0, "score"),
    ]
    
    for label, description, skill, max_points, grading_type in elements_data:
        element = GradingElement(
            exercise_id=exercise.id,
            label=label,
            description=description,
            skill=skill,
            max_points=max_points,
            grading_type=grading_type
        )
        db.session.add(element)
    
    db.session.commit()
    print("Database initialized with sample data!")

if __name__ == '__main__':
    with app.app_context():
        db.create_all()
    app.run(debug=True)