From d258105be26312b7785de0c4e65bfb0983aa8439 Mon Sep 17 00:00:00 2001
From: martsforever <martsforever@aliyun.com>
Date: Fri, 19 Dec 2025 23:19:43 +0800
Subject: [PATCH] feat: image edit route

---
 app/controller/add_image_edit_route.py | 108 +++++++++++++++++++++++++
 app/main_app.py                        |   3 +-
 2 files changed, 110 insertions(+), 1 deletion(-)
 create mode 100644 app/controller/add_image_edit_route.py

diff --git a/app/controller/add_image_edit_route.py b/app/controller/add_image_edit_route.py
new file mode 100644
index 0000000..f0a9b3e
--- /dev/null
+++ b/app/controller/add_image_edit_route.py
@@ -0,0 +1,108 @@
+import asyncio
+import base64
+import json
+import mimetypes
+import os
+import sys
+import uuid
+from http import HTTPStatus
+from pathlib import PurePosixPath, Path
+
+import requests
+from fastapi import FastAPI
+from pydantic import BaseModel, Field
+from urllib.parse import urlparse, unquote
+from app.config.env import env
+from app.utils.path_join import path_join
+
+
+class ImageGenerateSchema(BaseModel):
+  image_url: str = Field(..., description="图片地址")
+  prompt: str = Field(..., description="图片描述")
+  image_size: str = Field(default="1920*1080", description="图片尺寸")
+
+
+def add_image_edit_route(app: FastAPI):
+  @app.post('/image-generate')
+  async def image_generate(body: ImageGenerateSchema):
+    return await asyncio.to_thread(sync_generate_image, body)
+
+
+def sync_generate_image(param: ImageGenerateSchema):
+  """
+  同步生成图片方法
+  """
+
+  # 计算图片的本地访问路径
+  image_url_1 = env.file_save_path + param.image_url[len(env.file_public_path):]
+  if sys.platform == "win32":
+    image_url_1 = path_join('D:/', image_url_1)
+
+  print("image_url_1", image_url_1)
+
+  # 图片文件名
+  filename_with_ext = os.path.basename(param.image_url)
+  # 新图片的ID
+  file_id = str(uuid.uuid4())
+
+  # 新图片所在目录
+  Path(path_join(env.file_save_path, file_id)).mkdir(parents=True, exist_ok=True)
+  # 新图片的public访问路径
+  new_file_public_path = path_join(env.file_public_path, file_id, filename_with_ext)
+  # 新图片在服务器上的保存路径
+  new_file_save_path = path_join(env.file_save_path, file_id, filename_with_ext)
+
+  # 获取图像的 Base64 编码
+  # 调用编码函数，请将 "/path/to/your/image.png" 替换为您的本地图片文件路径，否则无法运行
+  image = encode_file(image_url_1)
+
+  request_payload = {
+    "prompt": param.prompt,
+    "image": image,
+    "sequential_image_generation": "disabled",
+    "stream": False,
+    "optimize_prompt_optionsnew": "fast",
+    "response_format": "url",
+    "size": "2560x1440",
+    "watermark": False,
+    "model": "doubao-seedream-4-5-251128"
+  }
+
+  response = requests.post(
+    url="https://ark.cn-beijing.volces.com/api/v3/images/generations",
+    headers={
+      "Content-Type": "application/json",
+      "Authorization": f"Bearer {env.llm_key_huoshan}",
+    },
+    data=json.dumps(request_payload),
+  )
+  response.raise_for_status()
+  json_data = response.json()
+  print("json_data")
+  print(json_data)
+
+  if response.status_code == 200:
+    url = json_data["data"][0]["url"]
+    file_content = requests.get(url).content
+    with open(new_file_save_path, 'wb+') as f:
+      f.write(file_content)
+      return {"path": new_file_public_path}
+  else:
+    print(f"HTTP返回码：{response.status_code}")
+    print("请参考文档：https://help.aliyun.com/zh/model-studio/error-code")
+    raise response
+
+# ---用于 Base64 编码 ---
+# 格式为 data:{mime_type};base64,{base64_data}
+def encode_file(file_path):
+  mime_type, _ = mimetypes.guess_type(file_path)
+  if not mime_type or not mime_type.startswith("image/"):
+    raise ValueError("不支持或无法识别的图像格式")
+
+  try:
+    with open(file_path, "rb") as image_file:
+      encoded_string = base64.b64encode(
+        image_file.read()).decode('utf-8')
+    return f"data:{mime_type};base64,{encoded_string}"
+  except IOError as e:
+    raise IOError(f"读取文件时出错: {file_path}, 错误: {str(e)}")
diff --git a/app/main_app.py b/app/main_app.py
index 600dedb..a43a31e 100644
--- a/app/main_app.py
+++ b/app/main_app.py
@@ -9,6 +9,7 @@ from app.controller.add_api_route import add_api_route
 from app.controller.add_approve_route import add_approve_route
 from app.controller.add_file_route import add_file_route
 from app.controller.add_hotel_route import add_hotel_route
+from app.controller.add_image_edit_route import add_image_edit_route
 from app.controller.add_knowledge_route import add_knowledge_route
 from app.controller.add_langgraph_approve_route import add_langgraph_approve_route
 from app.controller.add_langgraph_chat_route import add_langgraph_chat_route
@@ -85,7 +86,7 @@ add_general_route(app)
 add_websocket_route(app)
 add_websocket_voice_recognise_route(app)
 add_websocket_voice_generate_route(app)
-
+add_image_edit_route(app)
 
 @app.get("/get_env")
 async def test():