feat(dataset): 添加数据集生成功能

- 新增数据集生成页面和相关逻辑
- 实现数据集名称重复性检查
- 添加数据集对象创建和保存功能
- 优化文档处理和提示模板应用
- 增加错误处理和数据解析

frontend/dataset_generate_page.py

@@ -1,13 +1,18 @@
 import gradio as gr
 import sys
+import json
+from tinydb import Query
 from pathlib import Path
 from langchain.prompts import PromptTemplate
 from sqlmodel import Session, select
+from schema import Dataset, DatasetItem, Q_A
+from db.dataset_store import get_all_dataset
 
 sys.path.append(str(Path(__file__).resolve().parent.parent))
 from schema import APIProvider, LLMRequest, LLMResponse, DatasetItem
+from db import save_dataset
 from tools import call_openai_api, process_markdown_file, generate_json_example
-from global_var import get_docs, get_prompt_store, get_sql_engine
+from global_var import get_docs, get_prompt_store, get_sql_engine, get_datasets, get_workdir
 
 def dataset_generate_page():
     with gr.Blocks() as demo:
@@ -109,8 +114,13 @@ def dataset_generate_page():
             return selected_prompt, dataframe_value
 
         def on_generate_click(doc_state, prompt_state, api_state, variables_dataframe, rounds, concurrency, dataset_name, progress=gr.Progress()):
-            docs = [i for i in get_docs() if i.name == doc_state][0].markdown_files
-            document_slice_list = [process_markdown_file(doc) for doc in docs]
+            dataset_db = get_datasets()
+            if not dataset_db.search(Query().name == dataset_name):
+                raise gr.Error("数据集名称已存在")
+            
+            doc = [i for i in get_docs() if i.name == doc_state][0]
+            doc_files = doc.markdown_files
+            document_slice_list = [process_markdown_file(doc) for doc in doc_files]
             prompt = [i for i in get_prompt_store().all() if i["id"] == int(prompt_state.split(" ")[0])][0]
             prompt = PromptTemplate.from_template(prompt["content"])
             with Session(get_sql_engine()) as session:
@@ -125,14 +135,40 @@ def dataset_generate_page():
 
             prompt = prompt.partial(**variables_dict)
             
+
+
+            dataset = Dataset(
+                name=dataset_name,
+                model_id=[api_provider.model_id],
+                source_doc=doc,
+                dataset_items=[]
+            )
+            
             for document_slice in document_slice_list:
                 request = LLMRequest(api_provider=api_provider,
                                       prompt=prompt.format(document_slice=document_slice),
                                       format=generate_json_example(DatasetItem))
                 call_openai_api(request, rounds)
 
+                for resp in request.response:
+                    try:
+                        content = json.loads(resp.content)
+                        dataset_item = DatasetItem(
+                            message=[Q_A(
+                                question=content.get("question", ""),
+                                answer=content.get("answer", "")
+                            )]
+                        )
+                        dataset.dataset_items.append(dataset_item)
+                    except json.JSONDecodeError as e:
+                        print(f"Failed to parse response: {e}")
 
-            return "all done"
+            # 保存数据集到TinyDB
+            dataset_db.insert(dataset.model_dump())
+
+            save_dataset(dataset_db,get_workdir(),dataset_name)
+            
+            return f"数据集 {dataset_name} 生成完成，共 {len(dataset.dataset_items)} 条数据"
 
         doc_dropdown.change(on_doc_change, inputs=doc_dropdown, outputs=doc_choice)
         prompt_dropdown.change(on_prompt_change, inputs=prompt_dropdown, outputs=[prompt_choice, variables_dataframe])