346 lines
14 KiB
Python
346 lines
14 KiB
Python
from flask_sqlalchemy import SQLAlchemy
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from datetime import datetime
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from sqlalchemy import Index, CheckConstraint, Enum
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from decimal import Decimal
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from typing import Optional, Dict, Any
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from flask import current_app
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db = SQLAlchemy()
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class GradingCalculator:
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"""Calculateur unifié pour tous types de notation."""
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@staticmethod
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def calculate_score(grade_value: str, grading_type: str, max_points: float) -> Optional[float]:
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"""
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UN seul point d'entrée pour tous les calculs de score.
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Args:
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grade_value: Valeur de la note (ex: '15.5', '2', '.', 'd')
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grading_type: Type de notation ('notes' ou 'score')
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max_points: Points maximum de l'élément de notation
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Returns:
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Score calculé ou None pour les valeurs dispensées
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"""
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# Éviter les imports circulaires en important à l'utilisation
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from app_config import config_manager
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# Valeurs spéciales en premier
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if config_manager.is_special_value(grade_value):
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special_config = config_manager.get_special_values()[grade_value]
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special_value = special_config['value']
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if special_value is None: # Dispensé
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return None
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return float(special_value) # 0 pour '.', 'a'
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# Calcul selon type
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try:
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if grading_type == 'notes':
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return float(grade_value)
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elif grading_type == 'score':
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# Score 0-3 converti en proportion du max_points
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score_int = int(grade_value)
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if 0 <= score_int <= 3:
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return (score_int / 3) * max_points
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return 0.0
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except (ValueError, TypeError):
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return 0.0
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return 0.0
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@staticmethod
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def is_counted_in_total(grade_value: str, grading_type: str) -> bool:
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"""
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Détermine si une note doit être comptée dans le total.
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Returns:
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True si la note compte dans le total, False sinon (ex: dispensé)
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"""
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from app_config import config_manager
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# Valeurs spéciales
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if config_manager.is_special_value(grade_value):
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special_config = config_manager.get_special_values()[grade_value]
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return special_config['counts']
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# Toutes les autres valeurs comptent
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return True
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class ClassGroup(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(100), nullable=False, unique=True)
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description = db.Column(db.Text)
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year = db.Column(db.String(20), nullable=False)
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students = db.relationship('Student', backref='class_group', lazy=True)
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assessments = db.relationship('Assessment', backref='class_group', lazy=True)
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def __repr__(self):
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return f'<ClassGroup {self.name}>'
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class Student(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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last_name = db.Column(db.String(100), nullable=False)
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first_name = db.Column(db.String(100), nullable=False)
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email = db.Column(db.String(120), unique=True)
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class_group_id = db.Column(db.Integer, db.ForeignKey('class_group.id'), nullable=False)
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grades = db.relationship('Grade', backref='student', lazy=True)
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def __repr__(self):
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return f'<Student {self.first_name} {self.last_name}>'
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@property
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def full_name(self):
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return f"{self.first_name} {self.last_name}"
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class Assessment(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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title = db.Column(db.String(200), nullable=False)
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description = db.Column(db.Text)
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date = db.Column(db.Date, nullable=False, default=datetime.utcnow)
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trimester = db.Column(db.Integer, nullable=False) # 1, 2, ou 3
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class_group_id = db.Column(db.Integer, db.ForeignKey('class_group.id'), nullable=False)
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coefficient = db.Column(db.Float, default=1.0) # Garder Float pour compatibilité
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exercises = db.relationship('Exercise', backref='assessment', lazy=True, cascade='all, delete-orphan')
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__table_args__ = (
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CheckConstraint('trimester IN (1, 2, 3)', name='check_trimester_valid'),
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)
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def __repr__(self):
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return f'<Assessment {self.title}>'
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@property
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def grading_progress(self):
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"""Calcule le pourcentage de progression des notes saisies pour cette évaluation.
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Retourne un dictionnaire avec les statistiques de progression."""
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# Obtenir tous les éléments de notation pour cette évaluation
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total_elements = 0
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completed_elements = 0
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total_students = len(self.class_group.students)
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if total_students == 0:
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return {
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'percentage': 0,
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'completed': 0,
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'total': 0,
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'status': 'no_students'
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}
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# Parcourir tous les exercices et leurs éléments de notation
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for exercise in self.exercises:
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for grading_element in exercise.grading_elements:
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total_elements += total_students
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# Compter les notes saisies (valeur non nulle et non vide, y compris '.')
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completed_for_element = db.session.query(Grade).filter(
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Grade.grading_element_id == grading_element.id,
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Grade.value.isnot(None),
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Grade.value != ''
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).count()
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completed_elements += completed_for_element
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if total_elements == 0:
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return {
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'percentage': 0,
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'completed': 0,
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'total': 0,
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'status': 'no_elements'
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}
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percentage = round((completed_elements / total_elements) * 100)
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# Déterminer le statut
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if percentage == 0:
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status = 'not_started'
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elif percentage == 100:
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status = 'completed'
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else:
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status = 'in_progress'
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return {
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'percentage': percentage,
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'completed': completed_elements,
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'total': total_elements,
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'status': status,
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'students_count': total_students
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}
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def calculate_student_scores(self):
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"""Calcule les scores de tous les élèves pour cette évaluation.
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Retourne un dictionnaire avec les scores par élève et par exercice.
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Logique de calcul simplifiée avec 2 types seulement."""
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from collections import defaultdict
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students_scores = {}
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exercise_scores = defaultdict(lambda: defaultdict(float))
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for student in self.class_group.students:
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total_score = 0
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total_max_points = 0
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student_exercises = {}
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for exercise in self.exercises:
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exercise_score = 0
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exercise_max_points = 0
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for element in exercise.grading_elements:
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grade = Grade.query.filter_by(
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student_id=student.id,
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grading_element_id=element.id
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).first()
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# Si une note a été saisie pour cet élément (y compris valeurs spéciales)
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if grade and grade.value and grade.value != '':
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# Utiliser la nouvelle logique unifiée
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calculated_score = GradingCalculator.calculate_score(
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grade.value.strip(),
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element.grading_type,
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element.max_points
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)
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# Vérifier si cette note compte dans le total
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if GradingCalculator.is_counted_in_total(grade.value.strip(), element.grading_type):
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if calculated_score is not None: # Pas dispensé
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exercise_score += calculated_score
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exercise_max_points += element.max_points
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# Si pas compté ou dispensé, on ignore complètement
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student_exercises[exercise.id] = {
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'score': exercise_score,
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'max_points': exercise_max_points,
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'title': exercise.title
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}
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total_score += exercise_score
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total_max_points += exercise_max_points
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exercise_scores[exercise.id][student.id] = exercise_score
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students_scores[student.id] = {
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'student': student,
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'total_score': round(total_score, 2),
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'total_max_points': total_max_points,
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'exercises': student_exercises
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}
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return students_scores, dict(exercise_scores)
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def get_assessment_statistics(self):
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"""Calcule les statistiques descriptives pour cette évaluation."""
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students_scores, _ = self.calculate_student_scores()
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scores = [data['total_score'] for data in students_scores.values()]
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if not scores:
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return {
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'count': 0,
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'mean': 0,
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'median': 0,
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'min': 0,
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'max': 0,
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'std_dev': 0
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}
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import statistics
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import math
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return {
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'count': len(scores),
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'mean': round(statistics.mean(scores), 2),
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'median': round(statistics.median(scores), 2),
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'min': min(scores),
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'max': max(scores),
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'std_dev': round(statistics.stdev(scores) if len(scores) > 1 else 0, 2)
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}
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def get_total_max_points(self):
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"""Calcule le total des points maximum pour cette évaluation."""
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total = 0
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for exercise in self.exercises:
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for element in exercise.grading_elements:
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# Logique simplifiée avec 2 types : notes et score
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total += element.max_points
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return total
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class Exercise(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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assessment_id = db.Column(db.Integer, db.ForeignKey('assessment.id'), nullable=False)
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title = db.Column(db.String(200), nullable=False)
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description = db.Column(db.Text)
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order = db.Column(db.Integer, default=1)
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grading_elements = db.relationship('GradingElement', backref='exercise', lazy=True, cascade='all, delete-orphan')
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def __repr__(self):
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return f'<Exercise {self.title}>'
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class GradingElement(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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exercise_id = db.Column(db.Integer, db.ForeignKey('exercise.id'), nullable=False)
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label = db.Column(db.String(200), nullable=False)
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description = db.Column(db.Text)
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skill = db.Column(db.String(200))
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max_points = db.Column(db.Float, nullable=False) # Garder Float pour compatibilité
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# NOUVEAU : Types enum directement
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grading_type = db.Column(Enum('notes', 'score', name='grading_types'), nullable=False, default='notes')
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grades = db.relationship('Grade', backref='grading_element', lazy=True, cascade='all, delete-orphan')
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def __repr__(self):
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return f'<GradingElement {self.label}>'
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class Grade(db.Model):
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id = db.Column(db.Integer, primary_key=True)
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student_id = db.Column(db.Integer, db.ForeignKey('student.id'), nullable=False)
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grading_element_id = db.Column(db.Integer, db.ForeignKey('grading_element.id'), nullable=False)
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value = db.Column(db.String(10)) # Garder l'ancien format pour compatibilité
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comment = db.Column(db.Text)
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def __repr__(self):
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return f'<Grade {self.value} for {self.student.first_name if self.student else "Unknown"}>'
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# Configuration tables
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class AppConfig(db.Model):
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"""Configuration simple de l'application (clé-valeur)."""
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__tablename__ = 'app_config'
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key = db.Column(db.String(100), primary_key=True)
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value = db.Column(db.Text, nullable=False)
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description = db.Column(db.Text)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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def __repr__(self):
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return f'<AppConfig {self.key}={self.value}>'
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class CompetenceScaleValue(db.Model):
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"""Valeurs de l'échelle des compétences (0, 1, 2, 3, ., d, etc.)."""
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__tablename__ = 'competence_scale_values'
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value = db.Column(db.String(10), primary_key=True) # '0', '1', '2', '3', '.', 'd', etc.
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label = db.Column(db.String(100), nullable=False)
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color = db.Column(db.String(7), nullable=False) # Format #RRGGBB
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included_in_total = db.Column(db.Boolean, default=True, nullable=False)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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def __repr__(self):
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return f'<CompetenceScaleValue {self.value}: {self.label}>'
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class Competence(db.Model):
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"""Liste des compétences (Calculer, Raisonner, etc.)."""
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__tablename__ = 'competences'
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id = db.Column(db.Integer, primary_key=True)
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name = db.Column(db.String(100), unique=True, nullable=False)
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color = db.Column(db.String(7), nullable=False) # Format #RRGGBB
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icon = db.Column(db.String(50), nullable=False)
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order_index = db.Column(db.Integer, default=0) # Pour l'ordre d'affichage
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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def __repr__(self):
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return f'<Competence {self.name}>' |