feat: get-blog-detail and relevant blogs

framework/vendure/api/operations/get-relevant-blogs.ts

@@ -0,0 +1,54 @@
+import { OperationContext } from '@commerce/api/operations'
+import { Provider, VendureConfig } from '..'
+import { BlogList,GetRelevantBlogsQuery } from '../../schema'
+import { getRelevantBlogsQuery } from '../../utils/queries/get-relevant-blogs'
+
+export type BlogVariables = {
+    productId?: number,
+}
+
+export default function getRelevantBlogsOperation({
+  commerce,
+}: OperationContext<Provider>) {
+  async function getRelevantBlogs(opts?: {
+    variables?: BlogVariables
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  }): Promise<{ relevantBlogs: GetRelevantBlogsQuery[]}>
+
+  async function getRelevantBlogs({
+    query = getRelevantBlogsQuery,
+    variables: { ...vars } = {},
+    config: cfg,
+  }: {
+    query?: string
+    variables?: BlogVariables
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  } = {}): Promise<{ relevantBlogs: GetRelevantBlogsQuery[] | any[]  }> {
+    
+    const config = commerce.getConfig(cfg)
+    const variables = {
+        productId: vars.productId,
+    }
+    const { data } = await config.fetch<GetRelevantBlogsQuery>(query, {
+      variables,
+    })
+    return {
+        relevantBlogs: data?.relevantBlogs?.items?.map((val:BlogList)=>({
+            id: val.id,
+            title: val.translations[0]?.title,
+            imageSrc: val.featuredAsset?.preview ?? null,
+            slug: val.translations[0]?.slug,
+            description: val.translations[0]?.description,
+            isPublish: val.isPublish,
+            isFeatured: val.isFeatured,
+            authorName: val.authorName,
+            authorAvatarAsset : val.authorAvatarAsset?.preview,
+            createdAt: val.createdAt
+        })),
+    }
+  }
+
+  return getRelevantBlogs
+}