85 lines
3.5 KiB
Python
85 lines
3.5 KiB
Python
from flask_sqlalchemy import SQLAlchemy
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from datetime import datetime
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from sqlalchemy import Index, CheckConstraint
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from decimal import Decimal
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db = SQLAlchemy()
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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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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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grading_type = db.Column(db.String(10), nullable=False, default='points')
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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"}>' |