feat(ocr): add type for OcrProviderId and getProvider method

Add OcrProviderId type definition and implement getProvider method in OcrService to fetch a single OCR provider by ID

packages/shared/data/api/apiSchemas.ts

@@ -3,6 +3,7 @@
 import type {
   GetOcrProviderResponse,
   ListOcrProvidersResponse,
+  OcrProviderId,
   PatchOcrProviderRequest,
   PatchOcrProviderResponse
 } from '@types'
@@ -366,6 +367,7 @@ export interface ApiSchemas {
 
   '/ocr/providers/:id': {
     GET: {
+      params: { id: OcrProviderId }
       response: GetOcrProviderResponse
     }
     PATCH: {

src/main/data/api/handlers/index.ts

@@ -221,8 +221,8 @@ export const apiHandlers: ApiImplementation = {
   },
 
   '/ocr/providers/:id': {
-    GET: async () => {
-      throw new Error('Not implemented')
+    GET: async ({ params }) => {
+      return ocrService.getProvider(params.id)
     },
     PATCH: async ({ body }) => {
       return ocrService.patchProvider(body)

src/main/services/ocr/OcrService.ts

@@ -58,6 +58,22 @@ export class OcrService {
     return { data: providers.filter((p) => registeredKeys.includes(p.id)) }
   }
 
+  public async getProvider(providerId: string) {
+    if (!this.registry.has(providerId)) {
+      throw new Error(`OCR provider ${providerId} is not registered`)
+    }
+    const providers = await dbService
+      .getDb()
+      .select()
+      .from(ocrProviderTable)
+      .where(eq(ocrProviderTable.id, providerId))
+      .limit(1)
+    if (providers.length === 0) {
+      throw new Error(`OCR provider ${providerId} not found`)
+    }
+    return { data: providers[0] }
+  }
+
   public async patchProvider(update: PatchOcrProviderRequest): Promise<PatchOcrProviderResponse> {
     const providers = await dbService
       .getDb()

src/renderer/src/types/ocr.ts

@@ -82,6 +82,9 @@ export const OcrProviderConfigSchema = OcrProviderBaseConfigSchema.loose()
 export type OcrProviderConfig = z.infer<typeof OcrProviderConfigSchema>
 
 const OcrProviderIdSchema = z.string()
+
+export type OcrProviderId = z.infer<typeof OcrProviderIdSchema>
+
 const OcrProviderNameSchema = z.string()
 
 export const OcrProviderSchema = z.object({