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68fb5e2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | import os
from datetime import datetime
from sqlalchemy import create_engine, Column, Integer, String, DateTime, Text, Boolean, ForeignKey
from sqlalchemy.orm import declarative_base, sessionmaker, relationship
# Configuración de SQLite
DB_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "letxipu.db")
engine = create_engine(f"sqlite:///{DB_PATH}", echo=False)
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()
class User(Base):
__tablename__ = "users"
id = Column(Integer, primary_key=True, index=True)
username = Column(String, unique=True, index=True, nullable=False)
hashed_password = Column(String, nullable=False)
role = Column(String, default="user")
created_at = Column(DateTime, default=datetime.utcnow)
projects = relationship("Project", back_populates="owner", cascade="all, delete-orphan")
class Project(Base):
__tablename__ = "projects"
id = Column(Integer, primary_key=True, index=True)
title = Column(String, nullable=False)
description = Column(Text, nullable=True)
owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)
created_at = Column(DateTime, default=datetime.utcnow)
owner = relationship("User", back_populates="projects")
jobs = relationship("ResearchJob", back_populates="project", cascade="all, delete-orphan")
class ResearchJob(Base):
__tablename__ = "research_jobs"
id = Column(Integer, primary_key=True, index=True)
project_id = Column(Integer, ForeignKey("projects.id"), nullable=False)
query = Column(Text, nullable=False)
status = Column(String, default="pending") # pending, running, completed, error
progress_pct = Column(Integer, default=0)
report_md = Column(Text, nullable=True)
created_at = Column(DateTime, default=datetime.utcnow)
completed_at = Column(DateTime, nullable=True)
project = relationship("Project", back_populates="jobs")
# Crear las tablas en la base de datos si no existen
def init_db():
Base.metadata.create_all(bind=engine)
if __name__ == "__main__":
init_db()
print(f"Base de datos inicializada en: {DB_PATH}")
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