feat: 修改drawing 为django 接口

backend/ai/llm/factory.py

@@ -0,0 +1,35 @@
+from .adapter.deepseek import DeepSeekAdapter
+from .adapter.genai import GoogleGenAIAdapter
+from .adapter.openai import OpenAIAdapter
+from .adapter.tongyi import TongYiAdapter
+from .enums import LLMProvider
+
+
+def get_adapter(provider: LLMProvider, api_key, model, **kwargs):
+    if provider == LLMProvider.DEEPSEEK:
+        return DeepSeekAdapter(api_key, model, **kwargs)
+    elif provider == LLMProvider.TONGYI:
+        return TongYiAdapter(api_key, model, **kwargs)
+    elif provider == LLMProvider.OPENAI:
+        return OpenAIAdapter(api_key, model, **kwargs)
+    elif provider == LLMProvider.GOOGLE_GENAI:
+        return GoogleGenAIAdapter(api_key, model, **kwargs)
+    else:
+        raise ValueError('不支持的服务商')
+
+#  使用示例
+# adapter = get_adapter(LLMProvider.TONGYI, api_key='xxx', model='wanx_v1')
+
+# 对话
+# try:
+#     result = await adapter.chat(messages)
+# except NotImplementedError:
+#     print("该服务商不支持对话能力")
+
+# # 图片生成
+# try:
+#     task = adapter.create_image_task(prompt="一只猫")
+#     status = adapter.fetch_image_task_status(task)
+#     result = adapter.fetch_image_result(task)
+# except NotImplementedError:
+#     print("该服务商不支持图片生成")