refactor: The first refactored version for sdk release (#907)

Co-authored-by: chengfangyin2 <chengfangyin3@jd.com>

dbgpt/app/scene/chat_dashboard/out_parser.py

@@ -0,0 +1,46 @@
+import json
+import logging
+
+from typing import NamedTuple, List
+from dbgpt.core.interface.output_parser import BaseOutputParser
+from dbgpt.app.scene import ChatScene
+
+
+class ChartItem(NamedTuple):
+    sql: str
+    title: str
+    thoughts: str
+    showcase: str
+
+
+logger = logging.getLogger(__name__)
+
+
+class ChatDashboardOutputParser(BaseOutputParser):
+    def __init__(self, is_stream_out: bool, **kwargs):
+        super().__init__(is_stream_out=is_stream_out, **kwargs)
+
+    def parse_prompt_response(self, model_out_text):
+        clean_str = super().parse_prompt_response(model_out_text)
+        print("clean prompt response:", clean_str)
+        response = json.loads(clean_str)
+        chart_items: List[ChartItem] = []
+        if not isinstance(response, list):
+            response = [response]
+        for item in response:
+            chart_items.append(
+                ChartItem(
+                    item["sql"].replace("\\", " "),
+                    item["title"],
+                    item["thoughts"],
+                    item["showcase"],
+                )
+            )
+        return chart_items
+
+    def parse_view_response(self, speak, data, prompt_response) -> str:
+        return json.dumps(data.prepare_dict())
+
+    @property
+    def _type(self) -> str:
+        return ChatScene.ChatDashboard.value