feat(model): 增加模型管理和测试功能

- 新增模型删除功能
- 实现模型测试连接功能
- 优化模型选择器组件
- 更新模型相关API和数据库操作

backend/app/db/model_dao.py

@@ -14,6 +14,15 @@ def init_model_table():
     conn.commit()
     conn.close()
 
+
+def get_model_by_provider_and_name(provider_id: int, model_name: str):
+    conn = get_connection()
+    cursor = conn.execute(
+        "SELECT * FROM models WHERE provider_id = ? AND model_name = ?",
+        (provider_id, model_name)
+    )
+    row = cursor.fetchone()
+    return row
 # 插入模型
 def insert_model(provider_id: int, model_name: str):
     conn = get_connection()

backend/app/routers/model.py

@@ -19,7 +19,16 @@ def model_list():
         return R.success(modelService.get_all_models(True),msg="获取模型列表成功")
     except Exception as e:
         return R.error(e)
-
+@router.get("/models/delete/{model_id}")
+def delete_model(model_id: int):
+    try:
+        success = modelService.delete_model_by_id(model_id)
+        if success:
+            return R.success(msg="模型删除成功")
+        else:
+            return R.error("模型不存在或删除失败")
+    except Exception as e:
+        return R.error(f"删除模型失败: {e}")
 @router.get("/model_list/{provider_id}")
 def model_list(provider_id):
     try:
@@ -31,6 +40,13 @@ def model_list(provider_id):
 def create_model(data: CreateModelRequest):
     success = ModelService.add_new_model(data.provider_id, data.model_name)
     if not success:
-        raise R.error("模型添加失败")
+        return R.error("模型添加失败")
     return R.success(msg="模型添加成功")
 
+@router.get("/model_enable/{provider_id}")
+def get_enabled_models_by_provider(provider_id: str):
+    try:
+        models = modelService.get_enabled_models_by_provider(provider_id)
+        return R.success(models, msg="获取启用模型成功")
+    except Exception as e:
+        return R.error(f"获取启用模型失败: {e}")