feat: get-blog-detail and relevant blogs

framework/vendure/api/operations/get-blog-detail.ts

@@ -0,0 +1,55 @@
+import { OperationContext } from '@commerce/api/operations'
+import { Provider, VendureConfig } from '..'
+import { GetBlogQuery,BlogList } from '../../schema'
+import { getBlogDetailQuery } from '../../utils/queries/get-blog-detail'
+
+export type BlogVariables = {
+  slug?: string,
+}
+
+export default function getBlogDetailOperation({
+  commerce,
+}: OperationContext<Provider>) {
+  async function getBlogDetail(opts?: {
+    variables?: BlogVariables
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  }): Promise<{ blogDetail: BlogList}>
+
+  async function getBlogDetail({
+    query = getBlogDetailQuery,
+    variables: { ...vars } = {},
+    config: cfg,
+  }: {
+    query?: string
+    variables?: BlogVariables
+    config?: Partial<VendureConfig>
+    preview?: boolean
+  } = {}): Promise<{ blogDetail: BlogList | any  }> {
+    
+    const config = commerce.getConfig(cfg)
+    const variables = {
+      slug: vars.slug
+    }
+    const { data } = await config.fetch<GetBlogQuery>(query, {
+      variables,
+    })
+    return {
+        blogDetail: {
+          id:data?.blog?.id,
+          title: data?.blog?.translations[0].title,
+          imageSrc: data?.blog?.featuredAsset?.preview ?? null,
+          slug: data?.blog?.translations[0]?.slug,
+          description: data?.blog?.translations[0]?.description,
+          isPublish: data?.blog?.isPublish,
+          isFeatured: data?.blog?.isFeatured,
+          authorName: data?.blog?.authorName,
+          authorAvatarAsset : data?.blog?.authorAvatarAsset?.preview,
+          createdAt: data?.blog?.createdAt,
+          relevantProducts: data?.blog?.relevantProducts.map(val=>val.id)
+        }
+    }
+  }
+
+  return getBlogDetail
+}