refactor(ocr): remove unused error message and simplify provider check

Move provider availability check outside of useCallback and remove unused error message from translations

src/renderer/src/hooks/ocr/useOcr.ts

@@ -10,22 +10,13 @@ import { useOcrImageProvider } from './useOcrImageProvider'
 
 const logger = loggerService.withContext('useOcr')
 
+const isProviderAvailable = (provider: ImageOcrProvider | undefined): provider is ImageOcrProvider =>
+  provider !== undefined
+
 export const useOcr = () => {
   const { t } = useTranslation()
   const { imageProvider } = useOcrImageProvider()
 
-  const isProviderAvailable = useCallback(
-    (provider: ImageOcrProvider | undefined): provider is ImageOcrProvider => {
-      if (!provider) {
-        window.toast.error(t('ocr.error.provider.not_found'))
-        return false
-      } else {
-        return true
-      }
-    },
-    [t]
-  )
-
   /**
    * 对图片文件进行OCR识别
    * @param image 图片文件元数据
@@ -38,10 +29,10 @@ export const useOcr = () => {
         logger.debug('ocrImage', { config: imageProvider.config })
         return OcrService.ocr(image, imageProvider)
       } else {
-        throw new Error(t('ocr.error.provider.not_image_provider'))
+        throw new Error(t('ocr.error.provider.'))
       }
     },
-    [imageProvider, isProviderAvailable, t]
+    [imageProvider, t]
   )
 
   /**

src/renderer/src/i18n/locales/en-us.json

@@ -2053,7 +2053,6 @@
         "existing": "The provider already exists",
         "get_providers": "Failed to get available providers",
         "not_found": "OCR provider does not exist",
-        "not_image_provider": "This provider cannot process image.",
         "update_failed": "Failed to update configuration"
       },
       "unknown": "An error occurred during the OCR process"