feat(dataset_generate_page): 添加 API 选择功能

- 在数据集生成页面添加 API 选择下拉框
- 实现 API 选择变更时的处理逻辑
- 更新数据集生成函数，增加 API 选择参数
- 优化页面布局和代码结构

frontend/dataset_generate_page.py

@@ -2,9 +2,11 @@ import gradio as gr
 import sys
 from pathlib import Path
 from langchain.prompts import PromptTemplate
+from sqlmodel import Session, select
 
 sys.path.append(str(Path(__file__).resolve().parent.parent))
-from global_var import get_docs, get_prompt_store
+from schema import APIProvider
+from global_var import get_docs, get_prompt_store, get_sql_engine
 
 def dataset_generate_page():
     with gr.Blocks() as demo:
@@ -19,7 +21,7 @@ def dataset_generate_page():
                     label="选择文档",
                     interactive=True
                 )
-                doc_state = gr.State(value=initial_doc)
+                doc_choice = gr.State(value=initial_doc)
 
             with gr.Column():
                 prompts = get_prompt_store().all()
@@ -42,7 +44,22 @@ def dataset_generate_page():
                     label="选择模板",
                     interactive=True
                 )
-                prompt_state = gr.State(value=initial_prompt)
+                prompt_choice = gr.State(value=initial_prompt)
+
+            with gr.Column():
+                # 从数据库获取API Provider列表
+                with Session(get_sql_engine()) as session:
+                    providers = session.exec(select(APIProvider)).all()
+                    api_list = [f"{p.id} {p.model_id}" for p in providers]
+                initial_api = api_list[0] if api_list else None
+                
+                api_dropdown = gr.Dropdown(
+                    choices=api_list,
+                    value=initial_api,
+                    label="选择API",
+                    interactive=True
+                )
+                api_choice = gr.State(value=initial_api)
 
         generate_button = gr.Button("生成数据集",variant="primary")
 
@@ -58,8 +75,11 @@ def dataset_generate_page():
 
 
         def on_doc_change(selected_doc):
-            # print(f"文档选择已更改为: {selected_doc}")
             return selected_doc
+        
+        def on_api_change(selected_api):
+            return selected_api
+            
         def on_prompt_change(selected_prompt):
             if not selected_prompt:
                 return None, []
@@ -72,7 +92,8 @@ def dataset_generate_page():
             dataframe_value = [] if input_variables is None else input_variables
             return selected_prompt, dataframe_value
 
-        def on_generate_click(doc_state, prompt_state, variables_dataframe, progress=gr.Progress()):
+
+        def on_generate_click(doc_state, prompt_state, api_state, variables_dataframe, progress=gr.Progress()):
             variables_dict = {}
             # 正确遍历DataFrame的行数据
             for _, row in variables_dataframe.iterrows():
@@ -96,12 +117,13 @@ def dataset_generate_page():
             return "all done"
 
         
-        doc_dropdown.change(on_doc_change, inputs=doc_dropdown, outputs=doc_state)
+        doc_dropdown.change(on_doc_change, inputs=doc_dropdown, outputs=doc_choice)
-        prompt_dropdown.change(on_prompt_change, inputs=prompt_dropdown, outputs=[prompt_state, variables_dataframe])
+        prompt_dropdown.change(on_prompt_change, inputs=prompt_dropdown, outputs=[prompt_choice, variables_dataframe])
+        api_dropdown.change(on_api_change, inputs=api_dropdown, outputs=api_choice)
 
         generate_button.click(
             on_generate_click,
-            inputs=[doc_state, prompt_state, variables_dataframe],
+            inputs=[doc_choice, prompt_choice, api_choice, variables_dataframe],
             outputs=output_text
         )