feat: completar fases 3 y 4 del roadmap mvp (gradebook, drag-and-drop, impersonacion) y actualizar README

2026-09-23 12:10:31 -03:00
parent 4ebc5df4fd
commit 7ad4e3f099
38 changed files with 3804 additions and 390 deletions
@@ -0,0 +1,92 @@
+from datetime import datetime
+from app import db
+
+
+class MilestoneGrade(db.Model):
+    """
+    Calificación y seguimiento pedagógico individual de un alumno en un hito evaluativo (Fase 3 MVP).
+    Vincula un AcademicMilestone con un estudiante matriculado (StudentEnrollment / User).
+    """
+    __tablename__ = 'milestone_grades'
+
+    id = db.Column(db.Integer, primary_key=True)
+    milestone_id = db.Column(
+        db.Integer,
+        db.ForeignKey('academic_milestones.id', ondelete='CASCADE'),
+        nullable=False,
+        index=True
+    )
+    enrollment_id = db.Column(
+        db.Integer,
+        db.ForeignKey('student_enrollments.id', ondelete='CASCADE'),
+        nullable=False,
+        index=True
+    )
+    student_id = db.Column(
+        db.Integer,
+        db.ForeignKey('users.id', ondelete='CASCADE'),
+        nullable=False,
+        index=True
+    )
+    score = db.Column(db.Float, nullable=True)          # Calificación numérica de 1.0 a 10.0
+    is_absent = db.Column(db.Boolean, default=False)    # Flag de Ausente
+    feedback = db.Column(db.Text, nullable=True)        # Devolución formativa/pedagógica
+    graded_by_user_id = db.Column(
+        db.Integer,
+        db.ForeignKey('users.id', ondelete='SET NULL'),
+        nullable=True
+    )
+    graded_at = db.Column(db.DateTime, default=datetime.utcnow)
+    updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+    # Restricción de unicidad: un estudiante tiene una única nota por hito
+    __table_args__ = (
+        db.UniqueConstraint('milestone_id', 'student_id', name='uq_milestone_student'),
+    )
+
+    # Relaciones
+    milestone = db.relationship('AcademicMilestone', backref=db.backref('grades', lazy='dynamic', cascade='all, delete-orphan'))
+    enrollment = db.relationship('StudentEnrollment', backref=db.backref('milestone_grades', lazy='dynamic', cascade='all, delete-orphan'))
+    student = db.relationship('User', foreign_keys=[student_id], backref=db.backref('received_grades', lazy='dynamic'))
+    graded_by = db.relationship('User', foreign_keys=[graded_by_user_id])
+
+    @property
+    def is_passed(self) -> bool:
+        """Determina si la nota está aprobada (>= 4.00 y no ausente)."""
+        if self.is_absent or self.score is None:
+            return False
+        return self.score >= 4.0
+
+    @property
+    def display_score(self) -> str:
+        """Representación textual estándar: 'Ausente', '7.5' o '-'."""
+        if self.is_absent:
+            return 'Ausente'
+        if self.score is not None:
+            return f'{self.score:.1f}' if self.score % 1 != 0 else f'{int(self.score)}'
+        return '-'
+
+    def to_dict(self):
+        return {
+            'id': self.id,
+            'milestone_id': self.milestone_id,
+            'milestone_title': self.milestone.title if self.milestone else None,
+            'milestone_type': self.milestone.tipo if self.milestone else None,
+            'milestone_color': self.milestone.color if self.milestone else None,
+            'enrollment_id': self.enrollment_id,
+            'student_id': self.student_id,
+            'student_name': self.student.name if self.student else None,
+            'student_email': self.student.email if self.student else None,
+            'score': self.score,
+            'display_score': self.display_score,
+            'is_absent': bool(self.is_absent),
+            'is_passed': self.is_passed,
+            'feedback': self.feedback or '',
+            'graded_by_user_id': self.graded_by_user_id,
+            'graded_by_name': self.graded_by.name if self.graded_by else None,
+            'graded_at': self.graded_at.isoformat() if self.graded_at else None,
+            'updated_at': self.updated_at.isoformat() if self.updated_at else None,
+        }
+
+    def __repr__(self):
+        return f'<MilestoneGrade milestone={self.milestone_id} student={self.student_id} score={self.display_score}>'