add: 添加chatgpt chat api逻辑

maubot_llmplus/thrid_platform.py

@@ -1,21 +1,62 @@
+import json
+
 from aiohttp import ClientSession
-from maubot import Plugin
 from mautrix.types import MessageEvent
 from mautrix.util.config import BaseProxyConfig
 
+import maubot_llmplus.platforms
 from maubot_llmplus.platforms import Platform, ChatCompletion
+from maubot_llmplus.plugin import AbsExtraConfigPlugin
 
 
 class OpenAi(Platform):
 
+    max_tokens: int
+    temperature: int
+
     def __init__(self, config: BaseProxyConfig, http: ClientSession) -> None:
         super().__init__(config, http)
+        self.max_tokens = self.config['max_tokens']
+        self.temperature = self.config['temperature']
 
-    async def create_chat_completion(self, plugin: Plugin, evt: MessageEvent) -> ChatCompletion:
-        # 获取系统提示词
-        # 获取额外的其他角色的提示词： role: user role: system
+    async def create_chat_completion(self, plugin: AbsExtraConfigPlugin, evt: MessageEvent) -> ChatCompletion:
+        full_context = []
+        context = await maubot_llmplus.platforms.get_context(plugin, self, evt)
+        full_context.extend(list(context))
 
-        pass
+        headers = {
+            "Content-Type": "application/json",
+            "Authorization": f"Bearer {self.config['gpt_api_key']}"
+        }
+        data = {
+            "model": self.model,
+            "messages": full_context,
+        }
+
+        if 'max_tokens' in self.config and self.max_tokens:
+            data["max_tokens"] = self.max_tokens
+
+        if 'temperature' in self.config and self.temperature:
+            data["temperature"] = self.temperature
+
+        endpoint = f"{self.url}/v1/chat/completions"
+        async with self.http.post(
+                endpoint, headers=headers, data=json.dumps(data)
+        ) as response:
+            # plugin.log.debug(f"响应内容：{response.status}, {await response.json()}")
+            if response.status != 200:
+                return ChatCompletion(
+                    message={},
+                    finish_reason=f"Error: {await response.text()}",
+                    model=None
+                )
+            response_json = await response.json()
+            choice = response_json["choices"][0]
+            return ChatCompletion(
+                message=choice["message"],
+                finish_reason=choice["finish_reason"],
+                model=choice.get("model", None)
+            )
 
     def get_type(self) -> str:
         return "openai"
@@ -26,7 +67,7 @@ class Anthropic(Platform):
     def __init__(self, config: BaseProxyConfig, http: ClientSession) -> None:
         super().__init__(config, http)
 
-    async def create_chat_completion(self, plugin: Plugin, evt: MessageEvent) -> ChatCompletion:
+    async def create_chat_completion(self, plugin: AbsExtraConfigPlugin, evt: MessageEvent) -> ChatCompletion:
         # 获取系统提示词
         # 获取额外的其他角色的提示词： role: user role: system