WIP: Add conditional questions - backend models and schemas updated

backend/app/models.py

@@ -71,11 +71,18 @@ class Question(Base):
     allow_photos = Column(Boolean, default=True)
     max_photos = Column(Integer, default=3)
     requires_comment_on_fail = Column(Boolean, default=False)
+    
+    # Conditional logic
+    parent_question_id = Column(Integer, ForeignKey("questions.id"), nullable=True)
+    show_if_answer = Column(String(50), nullable=True)  # Valor que dispara esta pregunta
+    
     created_at = Column(DateTime(timezone=True), server_default=func.now())
     
     # Relationships
     checklist = relationship("Checklist", back_populates="questions")
     answers = relationship("Answer", back_populates="question")
+    subquestions = relationship("Question", backref="parent", remote_side=[id])
+
 
 
 class Inspection(Base):

backend/app/schemas.py

@@ -97,6 +97,8 @@ class QuestionBase(BaseModel):
     allow_photos: bool = True
     max_photos: int = 3
     requires_comment_on_fail: bool = False
+    parent_question_id: Optional[int] = None
+    show_if_answer: Optional[str] = None
 
 class QuestionCreate(QuestionBase):
     checklist_id: int
@@ -113,6 +115,7 @@ class Question(QuestionBase):
         from_attributes = True
 
 
+
 # Inspection Schemas
 class InspectionBase(BaseModel):
     or_number: Optional[str] = None

backend/migrate_conditional_questions.py

@@ -0,0 +1,45 @@
+"""
+Migration script to add conditional questions support
+Run this script to add parent_question_id and show_if_answer columns
+"""
+from sqlalchemy import create_engine, text
+import os
+
+DATABASE_URL = os.getenv("DATABASE_URL", "postgresql://checklist_user:checklist_pass_2024@localhost:5432/checklist_db")
+
+engine = create_engine(DATABASE_URL)
+
+migrations = [
+    """
+    ALTER TABLE questions 
+    ADD COLUMN IF NOT EXISTS parent_question_id INTEGER REFERENCES questions(id) ON DELETE CASCADE;
+    """,
+    """
+    ALTER TABLE questions 
+    ADD COLUMN IF NOT EXISTS show_if_answer VARCHAR(50);
+    """,
+    """
+    CREATE INDEX IF NOT EXISTS idx_questions_parent 
+    ON questions(parent_question_id);
+    """
+]
+
+def run_migration():
+    print("🔄 Starting migration for conditional questions...")
+    
+    with engine.connect() as conn:
+        for i, migration in enumerate(migrations, 1):
+            try:
+                conn.execute(text(migration))
+                conn.commit()
+                print(f"✅ Migration {i}/{len(migrations)} completed")
+            except Exception as e:
+                print(f"❌ Error in migration {i}: {e}")
+                conn.rollback()
+                return False
+    
+    print("✅ All migrations completed successfully!")
+    return True
+
+if __name__ == "__main__":
+    run_migration()