Feat/chat support voice input (#532)

api/services/errors/__init__.py

@@ -1,7 +1,7 @@
 # -*- coding:utf-8 -*-
 __all__ = [
     'base', 'conversation', 'message', 'index', 'app_model_config', 'account', 'document', 'dataset',
-    'app', 'completion'
+    'app', 'completion', 'audio'
 ]
 
 from . import *

api/services/errors/audio.py

@@ -0,0 +1,23 @@
+from services.errors.base import BaseServiceError
+
+class NoAudioUploadedServiceError(BaseServiceError):
+    error_code = 'no_audio_uploaded'
+    description = "Please upload your audio."
+    code = 400
+
+
+class AudioTooLargeServiceError(BaseServiceError):
+    error_code = 'audio_too_large'
+    description = "Audio size exceeded. {message}"
+    code = 413
+
+
+class UnsupportedAudioTypeServiceError(BaseServiceError):
+    error_code = 'unsupported_audio_type'
+    description = "Audio type not allowed."
+    code = 415
+
+class ProviderNotSupportSpeechToTextServiceError(BaseServiceError):
+    error_code = 'provider_not_support_speech_to_text'
+    description = "Provider not support speech to text. {message}"
+    code = 400