add: 支持图片

README.md

@@ -16,7 +16,7 @@
 - 接口地址：`http://localhost:3000/v1/chat/completions`
 - 请求方法：POST
 - 认证方式：Bearer Token（使用 WorkosCursorSessionToken 的值，支持英文逗号分隔的key入参）
-- 请求格式和响应格式参考openai
+- 请求格式和响应格式参考openai 支持图片！！
 
 ## 快速开始
 ```
@@ -29,7 +29,57 @@ services:
   rs-capi:
     image: ghcr.io/zeke-chin/cursor-api:latest
     ports:
-      - 3000:3000
+      - 7000:3000
+```
+
+调用示例
+```
+curl http://localhost:3000/v1/chat/completions \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer user_xxxx" \
+  -d '{
+    "model": "gpt-4o",
+    "messages": [
+      {
+        "role": "user",
+        "content": [
+          {
+            "type": "text",
+            "text": "What'\''s in this image? 中文回复"
+          },
+          {
+            "type": "image_url",
+            "image_url": {
+              "url": "https://zh.wikipedia.org/zh-cn/%E7%BE%8E%E5%85%83#/media/File:50_USD_Series_2004_Note_Back.jpg"
+            }
+          }
+        ]
+      }
+    ],
+    "max_tokens": 300
+  }'  | jq
+------------------
+{
+  "id": "chatcmpl-30dc37e7-d411-4946-a24d-dcc78ec2fdec",
+  "object": "chat.completion",
+  "created": 1732607371,
+  "model": "gpt-4o",
+  "choices": [
+    {
+      "index": 0,
+      "message": {
+        "role": "assistant",
+        "content": "这是一张50美元纸币的背面图像。纸币上印有美国国会大厦的图案。"
+      },
+      "finish_reason": "stop"
+    }
+  ],
+  "usage": {
+    "prompt_tokens": 0,
+    "completion_tokens": 0,
+    "total_tokens": 0
+  }
+}
 ```
 
 ## 注意事项

rs-capi/src/main.rs

@@ -31,7 +31,31 @@ use hex_utils::{chunk_to_utf8_string, string_to_hex};
 #[derive(Debug, Deserialize)]
 struct Message {
     role: String,
-    content: String,
+    content: Vec<ContentPart>,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(tag = "type")]
+enum ContentPart {
+    #[serde(rename = "text")]
+    Text { text: String },
+
+    #[serde(rename = "image_url")]
+    ImageUrl { image_url: ImageUrl },
+}
+
+#[derive(Debug, Deserialize)]
+struct ImageUrl {
+    url: String,
+}
+
+impl std::fmt::Display for ContentPart {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ContentPart::Text { text } => write!(f, "{}", text),
+            ContentPart::ImageUrl { image_url } => write!(f, "[Image: {}]", image_url.url),
+        }
+    }
 }
 
 #[derive(Debug, Deserialize)]
@@ -230,10 +254,25 @@ async fn chat_completions(
     }
 
     // 格式化消息
+    // let formatted_messages = chat_request
+    //     .messages
+    //     .iter()
+    //     .map(|msg| format!("{}:{}", msg.role, msg.content))
+    //     .collect::<Vec<_>>()
+    //     .join("\n");
+
     let formatted_messages = chat_request
         .messages
         .iter()
-        .map(|msg| format!("{}:{}", msg.role, msg.content))
+        .map(|msg| {
+            let content = msg
+                .content
+                .iter()
+                .map(|part| part.to_string())
+                .collect::<Vec<_>>()
+                .join(", ");
+            format!("{}:{}", msg.role, content)
+        })
         .collect::<Vec<_>>()
         .join("\n");