ajuste de cruds incompleto

app/core/dependencies.py

@@ -0,0 +1,25 @@
+from sqlalchemy.orm import Session
+from app.modules.clients.models import Client
+
+
+
+def fiscal_number_exists(db: Session, fiscal_number: str) -> bool:
+        """Verify if a client exist in db"""
+        if not fiscal_number:
+            return False
+        exists = db.query(Client).filter(
+            Client.fiscal_number == fiscal_number,
+        ).first() is not None
+
+        return exists
+    
+def email_exist(db: Session, email: str) -> bool:
+        if not email:
+            return False
+        
+        exist = db.query(Client).filter(
+            Client.email == email
+        ).first() is not None
+
+        return exist
+