progress.py•3.51 kB
"""
SQLAlchemy models for lifelong learning progress tracking
"""
from datetime import datetime
from sqlalchemy import (
Column,
Integer,
String,
Text,
DateTime,
ForeignKey,
Float,
JSON,
func,
)
from sqlalchemy.dialects.postgresql import UUID, JSONB
from mcp_host.database.db import Base
from sqlalchemy.orm import relationship
import uuid
class LearningSession(Base):
"""Tracks individual learning sessions for progress analysis"""
__tablename__ = "learning_sessions"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id = Column(
UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False
)
subject = Column(String(100), nullable=False)
topic = Column(String(200), nullable=False)
duration_minutes = Column(Integer, nullable=True)
session_date = Column(
DateTime(timezone=True), nullable=False, default=datetime.utcnow
)
performance_score = Column(Float, nullable=True) # 0.0 to 1.0
questions_asked = Column(Integer, default=0)
difficulty_level = Column(Integer, nullable=True)
session_metadata = Column(JSONB, nullable=True)
created_at = Column(DateTime(timezone=True), server_default=func.now())
updated_at = Column(DateTime(timezone=True), onupdate=func.now())
# Relationship
user = relationship("User", backref="learning_sessions")
def __repr__(self):
return f"<LearningSession {self.user_id} - {self.subject}/{self.topic} on {self.session_date}>"
class Milestone(Base):
"""Tracks student achievements and milestones"""
__tablename__ = "milestones"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id = Column(
UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False
)
milestone_type = Column(
String(50), nullable=False
) # 'topic_mastered', 'streak', 'difficulty_level_up'
subject = Column(String(100), nullable=False)
topic = Column(String(200), nullable=True)
title = Column(String(200), nullable=False)
description = Column(Text, nullable=True)
achieved_at = Column(
DateTime(timezone=True), nullable=False, default=datetime.utcnow
)
milestone_metadata = Column(JSONB, nullable=True)
created_at = Column(DateTime(timezone=True), server_default=func.now())
# Relationship
user = relationship("User", backref="milestones")
def __repr__(self):
return f"<Milestone {self.user_id} - {self.title}>"
class ConsentAuditLog(Base):
"""Audit log for consent changes (GDPR compliance)"""
__tablename__ = "consent_audit_log"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id = Column(
UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False
)
action = Column(
String(50), nullable=False
) # 'consent_granted', 'consent_revoked', 'level_changed'
old_consent_level = Column(String(50), nullable=True)
new_consent_level = Column(String(50), nullable=True)
ip_address = Column(String(45), nullable=True)
user_agent = Column(Text, nullable=True)
changed_at = Column(DateTime(timezone=True), server_default=func.now())
details = Column(JSONB, nullable=True)
# Relationship
user = relationship("User", backref="consent_logs")
def __repr__(self):
return f"<ConsentAuditLog {self.user_id} - {self.action} at {self.changed_at}>"