Feat/chat support voice input (#532)

api/core/llm/whisper.py

@@ -0,0 +1,25 @@
+import openai
+from models.provider import ProviderName
+from core.llm.error_handle_wraps import handle_llm_exceptions
+from core.llm.provider.base import BaseProvider
+
+
+class Whisper:
+
+    def __init__(self, provider: BaseProvider):
+        self.provider = provider
+
+        if self.provider.get_provider_name() == ProviderName.OPENAI:
+            self.client = openai.Audio
+            self.credentials = provider.get_credentials()
+
+    @handle_llm_exceptions
+    def transcribe(self, file):
+        return self.client.transcribe(
+            model='whisper-1', 
+            file=file,
+            api_key=self.credentials.get('openai_api_key'),
+            api_base=self.credentials.get('openai_api_base'),
+            api_type=self.credentials.get('openai_api_type'),
+            api_version=self.credentials.get('openai_api_version'),
+        )