✨ Added validation for user_id in PinDTO (for POIs)

app/dto/pin.py

@@ -10,9 +10,9 @@ class PinDTO(BaseModel):
     location: list
     complete_address: str
     files: List[str] = Field(default_factory=list)
-    user_id: str = None
-    date: Optional[datetime] = None
     is_poi: bool = False
+    user_id: Optional[str] = None
+    date: Optional[datetime] = None
 
     @field_validator('files')
     @classmethod
@@ -24,5 +24,12 @@ class PinDTO(BaseModel):
                 raise ValueError(f"Invalid image ID format: {file_id}")
         return files
     
+    @field_validator('user_id')
+    @classmethod
+    def validate_user_id(cls, v, info):
+        if not info.data.get('is_poi') and not v:
+            raise ValueError('user_id is required when is_poi is False ' + str(info.data))
+        return v
+    
 class PinShareDTO(BaseModel):
     friend_id: str