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

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2026-09-23 12:10:31 -03:00
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from datetime import datetime, timedelta
from typing import Optional, List, Dict, Any
from app import db
from app.models.subject import Commission, Subject
from app.models.milestone import AcademicMilestone, MilestoneType
from app.models.enrollment import StudentEnrollment
from app.models.grade import MilestoneGrade
from app.models.user import User
from app.models.audit_log import AuditLog
class GradebookService:
"""
Servicio de Libro de Calificaciones, Hitos Evaluativos y Cierre de Actas (Fase 3 MVP).
"""
@classmethod
def get_commission_gradebook(cls, commission_id: int) -> Dict[str, Any]:
"""Obtiene la matriz completa de calificaciones de una comisión."""
comm = Commission.query.get(commission_id)
if not comm:
raise ValueError(f'Comisión con ID {commission_id} no encontrada.')
# 1. Hitos evaluativos de la comisión
milestones = AcademicMilestone.query.filter_by(
commission_id=comm.id,
is_active=True
).order_by(AcademicMilestone.date.asc()).all()
# 2. Estudiantes inscriptos
enrollments = StudentEnrollment.query.filter_by(
commission_id=comm.id
).join(User).order_by(User.name.asc()).all()
# 3. Mapa de notas por (student_id, milestone_id)
grades = MilestoneGrade.query.filter(
MilestoneGrade.milestone_id.in_([m.id for m in milestones]) if milestones else False
).all() if milestones else []
grades_map: Dict[tuple, MilestoneGrade] = {
(g.student_id, g.milestone_id): g for g in grades
}
# 4. Construcción de filas por estudiante
rows = []
for enr in enrollments:
student = enr.student
student_grades = []
valid_scores = []
has_failed = False
total_milestones = len(milestones)
graded_count = 0
for m in milestones:
g = grades_map.get((student.id, m.id))
if g:
graded_count += 1
g_dict = g.to_dict()
student_grades.append(g_dict)
if g.is_absent:
has_failed = True
elif g.score is not None:
valid_scores.append(g.score)
if g.score < 4.0:
has_failed = True
else:
student_grades.append({
'id': None,
'milestone_id': m.id,
'student_id': student.id,
'score': None,
'display_score': '-',
'is_absent': False,
'is_passed': False,
'feedback': ''
})
# Cálculo de promedio y condición
avg_score = round(sum(valid_scores) / len(valid_scores), 2) if valid_scores else None
if graded_count == 0:
condition = 'Sin Calificar'
condition_badge = 'bg-secondary'
elif has_failed:
condition = 'Desaprobado'
condition_badge = 'bg-danger'
elif avg_score is not None and avg_score >= 7.0 and graded_count == total_milestones:
condition = 'Promociona'
condition_badge = 'bg-success'
elif avg_score is not None and avg_score >= 4.0:
condition = 'Regular'
condition_badge = 'bg-primary'
else:
condition = 'Pendiente'
condition_badge = 'bg-warning text-dark'
rows.append({
'enrollment_id': enr.id,
'student_id': student.id,
'student_name': student.name,
'student_email': student.email,
'enrollment_status': enr.status,
'grades': student_grades,
'average_score': avg_score,
'graded_count': graded_count,
'total_milestones': total_milestones,
'condition': condition,
'condition_badge': condition_badge
})
return {
'commission': comm.to_dict(),
'milestones': [m.to_dict() for m in milestones],
'students': rows,
'is_closed': bool(comm.grades_closed),
'acta_number': comm.acta_number,
'closed_at': comm.grades_closed_at.isoformat() if comm.grades_closed_at else None,
'closed_by_name': comm.closed_by_user.name if comm.closed_by_user else None,
'can_modify': not bool(comm.grades_closed)
}
@classmethod
def save_single_grade(
cls,
commission_id: int,
milestone_id: int,
student_id: int,
score: Optional[float],
is_absent: bool = False,
feedback: str = '',
grader_id: Optional[int] = None
) -> MilestoneGrade:
"""Guarda o actualiza una calificación individual."""
comm = Commission.query.get(commission_id)
if not comm:
raise ValueError(f'Comisión con ID {commission_id} no encontrada.')
if comm.grades_closed:
raise ValueError('El acta de calificaciones de esta comisión se encuentra cerrada y no admite modificaciones.')
milestone = AcademicMilestone.query.filter_by(id=milestone_id, commission_id=comm.id).first()
if not milestone:
raise ValueError(f'Hito evaluativo {milestone_id} no pertenece a la comisión {commission_id}.')
enrollment = StudentEnrollment.query.filter_by(commission_id=comm.id, student_id=student_id).first()
if not enrollment:
raise ValueError(f'El estudiante {student_id} no está matriculado en la comisión {commission_id}.')
# Validación de nota numérica
if is_absent:
final_score = None
final_absent = True
else:
final_absent = False
if score is not None:
try:
f_score = float(score)
except (ValueError, TypeError):
raise ValueError('La calificación debe ser un valor numérico válido entre 1.0 y 10.0.')
if f_score < 1.0 or f_score > 10.0:
raise ValueError('La calificación debe estar comprendida entre 1.0 y 10.0.')
final_score = round(f_score, 2)
else:
final_score = None
grade = MilestoneGrade.query.filter_by(
milestone_id=milestone.id,
student_id=student_id
).first()
if not grade:
grade = MilestoneGrade(
milestone_id=milestone.id,
enrollment_id=enrollment.id,
student_id=student_id,
score=final_score,
is_absent=final_absent,
feedback=feedback.strip() if feedback else '',
graded_by_user_id=grader_id,
graded_at=datetime.utcnow()
)
db.session.add(grade)
else:
grade.score = final_score
grade.is_absent = final_absent
if feedback is not None:
grade.feedback = feedback.strip()
grade.graded_by_user_id = grader_id
grade.updated_at = datetime.utcnow()
db.session.commit()
return grade
@classmethod
def bulk_save_grades(
cls,
commission_id: int,
grades_data: List[Dict[str, Any]],
grader_id: Optional[int] = None
) -> Dict[str, Any]:
"""Carga masiva / autoguardado asíncrono de calificaciones."""
comm = Commission.query.get(commission_id)
if not comm:
raise ValueError(f'Comisión {commission_id} no encontrada.')
if comm.grades_closed:
raise ValueError('El acta de calificaciones se encuentra cerrada y no permite modificaciones.')
saved_count = 0
for item in grades_data:
m_id = item.get('milestone_id')
s_id = item.get('student_id')
score = item.get('score')
is_absent = bool(item.get('is_absent', False))
feedback = item.get('feedback', '')
if m_id and s_id:
cls.save_single_grade(
commission_id=comm.id,
milestone_id=int(m_id),
student_id=int(s_id),
score=float(score) if score is not None and str(score).strip() != '' else None,
is_absent=is_absent,
feedback=feedback,
grader_id=grader_id
)
saved_count += 1
return {'success': True, 'saved_count': saved_count}
@classmethod
def close_gradebook(cls, commission_id: int, user_id: int, notes: str = '') -> Dict[str, Any]:
"""Cierre formal del acta de regularidad y promoción para Bedelía/Titular."""
comm = Commission.query.get(commission_id)
if not comm:
raise ValueError(f'Comisión {commission_id} no encontrada.')
if comm.grades_closed:
raise ValueError(f'El acta de la comisión {commission_id} ya fue cerrada anteriormente.')
acta_num = f'ACTA-{comm.year}-{comm.semester}-{comm.id:04d}'
comm.grades_closed = True
comm.grades_closed_at = datetime.utcnow()
comm.grades_closed_by = user_id
comm.acta_number = acta_num
# Auditoría
audit = AuditLog(
user_id=user_id,
action='CLOSE_ACTA',
module='gradebook',
entity_id=comm.id,
details=f'Cierre formal de acta de calificaciones. Nro: {acta_num}. Notas: {notes}'
)
db.session.add(audit)
db.session.commit()
return {
'success': True,
'acta_number': acta_num,
'closed_at': comm.grades_closed_at.isoformat(),
'message': f'Acta {acta_num} cerrada exitosamente. Las calificaciones han quedado selladas.'
}
@classmethod
def reopen_gradebook(cls, commission_id: int, user_id: int, reason: str) -> Dict[str, Any]:
"""Reapertura excepcional de acta con justificación administrativa."""
if not reason or len(reason.strip()) < 5:
raise ValueError('Debe especificar un motivo formal para reabrir el acta de calificaciones.')
comm = Commission.query.get(commission_id)
if not comm:
raise ValueError(f'Comisión {commission_id} no encontrada.')
if not comm.grades_closed:
raise ValueError('El acta no se encuentra cerrada.')
old_acta = comm.acta_number
comm.grades_closed = False
comm.grades_closed_at = None
comm.grades_closed_by = None
audit = AuditLog(
user_id=user_id,
action='REOPEN_ACTA',
module='gradebook',
entity_id=comm.id,
details=f'Reapertura excepcional de acta {old_acta}. Motivo: {reason.strip()}'
)
db.session.add(audit)
db.session.commit()
return {
'success': True,
'message': f'Acta {old_acta} reabierta para rectificación de calificaciones.'
}
@classmethod
def get_student_grades(cls, student_id: int) -> List[Dict[str, Any]]:
"""Consulta individual de calificaciones de todas las materias del alumno."""
enrollments = StudentEnrollment.query.filter_by(
student_id=student_id
).all()
results = []
for enr in enrollments:
comm = enr.commission
if not comm:
continue
milestones = AcademicMilestone.query.filter_by(
commission_id=comm.id,
is_active=True
).order_by(AcademicMilestone.date.asc()).all()
grades = MilestoneGrade.query.filter_by(
enrollment_id=enr.id
).all()
grades_by_milestone = {g.milestone_id: g for g in grades}
ms_results = []
valid_scores = []
has_failed = False
for m in milestones:
g = grades_by_milestone.get(m.id)
if g:
ms_results.append(g.to_dict())
if g.is_absent:
has_failed = True
elif g.score is not None:
valid_scores.append(g.score)
if g.score < 4.0:
has_failed = True
else:
ms_results.append({
'milestone_id': m.id,
'milestone_title': m.title or m.tipo,
'milestone_type': m.tipo,
'milestone_color': m.color,
'display_score': '-',
'score': None,
'is_absent': False,
'feedback': ''
})
avg_score = round(sum(valid_scores) / len(valid_scores), 2) if valid_scores else None
if not grades:
condition = 'Cursando'
condition_badge = 'bg-secondary'
elif has_failed:
condition = 'Desaprobado'
condition_badge = 'bg-danger'
elif avg_score is not None and avg_score >= 7.0 and len(grades) == len(milestones):
condition = 'Promociona'
condition_badge = 'bg-success'
elif avg_score is not None and avg_score >= 4.0:
condition = 'Regular'
condition_badge = 'bg-primary'
else:
condition = 'En curso'
condition_badge = 'bg-info text-dark'
results.append({
'enrollment_id': enr.id,
'commission_id': comm.id,
'commission_code': comm.get_full_code(),
'subject_name': comm.subject.name if comm.subject else 'Materia',
'subject_code': comm.subject.code if comm.subject else '',
'semester': comm.semester,
'year': comm.year,
'teacher_name': comm.teacher_name,
'milestones': ms_results,
'average_score': avg_score,
'condition': condition,
'condition_badge': condition_badge,
'is_acta_closed': bool(comm.grades_closed),
'acta_number': comm.acta_number
})
return results
@classmethod
def get_student_upcoming_milestones(cls, student_id: int, limit: int = 5) -> List[Dict[str, Any]]:
"""Obtiene las próximas evaluaciones con cálculo de cuenta regresiva para el dashboard."""
now = datetime.utcnow()
enrollments = StudentEnrollment.query.filter_by(student_id=student_id).all()
commission_ids = [e.commission_id for e in enrollments]
if not commission_ids:
return []
upcoming = AcademicMilestone.query.filter(
AcademicMilestone.commission_id.in_(commission_ids),
AcademicMilestone.date >= now - timedelta(hours=2),
AcademicMilestone.is_active == True
).order_by(AcademicMilestone.date.asc()).limit(limit).all()
results = []
for m in upcoming:
delta = m.date - now
days = delta.days
hours = int(delta.seconds // 3600)
mins = int((delta.seconds % 3600) // 60)
if days > 1:
countdown_str = f'Faltan {days} días'
badge_urgency = 'bg-info'
elif days == 1:
countdown_str = 'Mañana'
badge_urgency = 'bg-warning text-dark'
elif hours > 0:
countdown_str = f'Hoy en {hours} h {mins} min'
badge_urgency = 'bg-danger'
else:
countdown_str = 'En curso'
badge_urgency = 'bg-danger'
results.append({
'id': m.id,
'title': m.title or m.tipo,
'tipo': m.tipo,
'color': m.color,
'date': m.date.isoformat(),
'date_formatted': m.date.strftime('%d/%m/%Y %H:%M hs'),
'classroom': m.classroom or 'Campus Virtual',
'link': m.link,
'subject_name': m.subject.name if m.subject else m.materia_codigo,
'commission_code': m.commission.get_full_code() if m.commission else '',
'days_remaining': max(0, days),
'hours_remaining': max(0, hours),
'countdown_display': countdown_str,
'badge_urgency': badge_urgency
})
return results