feature: Add message feedback and update frontend interface (#5022)

* add style for message feedback

* add backend suprot to new feature

* update frontend interface and add handle function

* [autofix.ci] apply automated fixes

* Update tooltip content for bot messages

* Update evaluation icons styling

* Add custom thumb icons for thumbs up and thumbs down

* Add custom thumb icons for thumbs up and thumbs down

* Update thumb icons based on evaluation value

* [autofix.ci] apply automated fixes

* Update property name for positive feedback

* Update property name for positive feedback

* feat: Add data-testid attributes to helpful and not helpful buttons and update test of playground to include new functionality

* update test to include new message features

src/backend/base/langflow/api/v1/monitor.py

@@ -92,14 +92,14 @@ async def update_message(
 
     try:
         message_dict = message.model_dump(exclude_unset=True, exclude_none=True)
-        message_dict["edit"] = True
+        if "text" in message_dict and message_dict["text"] != db_message.text:
+            message_dict["edit"] = True
         db_message.sqlmodel_update(message_dict)
         session.add(db_message)
         await session.commit()
         await session.refresh(db_message)
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e)) from e
-
     return db_message
 
 

src/backend/base/langflow/schema/properties.py

@@ -19,6 +19,7 @@ class Properties(BaseModel):
     source: Source = Field(default_factory=Source)
     icon: str | None = None
     allow_markdown: bool = False
+    positive_feedback: bool | None = None
     state: Literal["partial", "complete"] = "complete"
     targets: list = []
 

src/backend/base/langflow/services/database/models/message/model.py

@@ -160,3 +160,4 @@ class MessageUpdate(SQLModel):
     files: list[str] | None = None
     edit: bool | None = None
     error: bool | None = None
+    properties: Properties | None = None

src/backend/tests/unit/components/inputs/test_input_components.py

@@ -52,6 +52,7 @@ class TestChatInput(ComponentTestBaseWithClient):
             "background_color": default_kwargs["background_color"],
             "text_color": default_kwargs["text_color"],
             "icon": default_kwargs["chat_icon"],
+            "positive_feedback": None,
             "edited": False,
             "source": {"id": None, "display_name": None, "source": None},
             "allow_markdown": False,