Base Principal del Proyecto

backend/app/models.py

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+from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, Text, JSON, Float
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from app.core.database import Base
+
+class User(Base):
+    __tablename__ = "users"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String(50), unique=True, index=True, nullable=False)
+    email = Column(String(100), unique=True, index=True)
+    password_hash = Column(String(255), nullable=False)
+    role = Column(String(20), nullable=False)  # admin, mechanic
+    full_name = Column(String(100))
+    is_active = Column(Boolean, default=True)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    
+    # Relationships
+    checklists_created = relationship("Checklist", back_populates="creator")
+    inspections = relationship("Inspection", back_populates="mechanic")
+
+
+class Checklist(Base):
+    __tablename__ = "checklists"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String(200), nullable=False)
+    description = Column(Text)
+    ai_mode = Column(String(20), default="off")  # off, assisted, copilot
+    scoring_enabled = Column(Boolean, default=True)
+    max_score = Column(Integer, default=0)
+    logo_url = Column(String(500))
+    is_active = Column(Boolean, default=True)
+    created_by = Column(Integer, ForeignKey("users.id"))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+    
+    # Relationships
+    creator = relationship("User", back_populates="checklists_created")
+    questions = relationship("Question", back_populates="checklist", cascade="all, delete-orphan")
+    inspections = relationship("Inspection", back_populates="checklist")
+
+
+class Question(Base):
+    __tablename__ = "questions"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    checklist_id = Column(Integer, ForeignKey("checklists.id"), nullable=False)
+    section = Column(String(100))  # Sistema eléctrico, Frenos, etc
+    text = Column(Text, nullable=False)
+    type = Column(String(30), nullable=False)  # pass_fail, good_bad, text, etc
+    points = Column(Integer, default=1)
+    options = Column(JSON)  # Para multiple choice
+    order = Column(Integer, default=0)
+    allow_photos = Column(Boolean, default=True)
+    max_photos = Column(Integer, default=3)
+    requires_comment_on_fail = Column(Boolean, default=False)
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    
+    # Relationships
+    checklist = relationship("Checklist", back_populates="questions")
+    answers = relationship("Answer", back_populates="question")
+
+
+class Inspection(Base):
+    __tablename__ = "inspections"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    checklist_id = Column(Integer, ForeignKey("checklists.id"), nullable=False)
+    mechanic_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    
+    # Datos de la OR
+    or_number = Column(String(50))
+    work_order_number = Column(String(50))
+    
+    # Datos del vehículo
+    vehicle_plate = Column(String(20), nullable=False, index=True)
+    vehicle_brand = Column(String(50))
+    vehicle_model = Column(String(100))
+    vehicle_km = Column(Integer)
+    client_name = Column(String(200))
+    
+    # Scoring
+    score = Column(Integer, default=0)
+    max_score = Column(Integer, default=0)
+    percentage = Column(Float, default=0.0)
+    flagged_items_count = Column(Integer, default=0)
+    
+    # Estado
+    status = Column(String(20), default="draft")  # draft, completed
+    
+    # Firma
+    signature_data = Column(Text)  # Base64 de la firma
+    signed_at = Column(DateTime(timezone=True))
+    
+    # Timestamps
+    started_at = Column(DateTime(timezone=True), server_default=func.now())
+    completed_at = Column(DateTime(timezone=True))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+    
+    # Relationships
+    checklist = relationship("Checklist", back_populates="inspections")
+    mechanic = relationship("User", back_populates="inspections")
+    answers = relationship("Answer", back_populates="inspection", cascade="all, delete-orphan")
+
+
+class Answer(Base):
+    __tablename__ = "answers"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    inspection_id = Column(Integer, ForeignKey("inspections.id"), nullable=False)
+    question_id = Column(Integer, ForeignKey("questions.id"), nullable=False)
+    
+    answer_value = Column(Text)  # La respuesta del mecánico
+    status = Column(String(20), default="ok")  # ok, warning, critical, info
+    points_earned = Column(Integer, default=0)
+    comment = Column(Text)  # Comentarios adicionales
+    
+    ai_analysis = Column(JSON)  # Análisis de IA si aplica
+    is_flagged = Column(Boolean, default=False)  # Si requiere atención
+    
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())
+    
+    # Relationships
+    inspection = relationship("Inspection", back_populates="answers")
+    question = relationship("Question", back_populates="answers")
+    media_files = relationship("MediaFile", back_populates="answer", cascade="all, delete-orphan")
+
+
+class MediaFile(Base):
+    __tablename__ = "media_files"
+    
+    id = Column(Integer, primary_key=True, index=True)
+    answer_id = Column(Integer, ForeignKey("answers.id"), nullable=False)
+    
+    file_path = Column(String(500), nullable=False)
+    file_type = Column(String(20), default="image")  # image, video
+    caption = Column(Text)
+    order = Column(Integer, default=0)
+    
+    uploaded_at = Column(DateTime(timezone=True), server_default=func.now())
+    
+    # Relationships
+    answer = relationship("Answer", back_populates="media_files")