more adjustments

move indexing logic to plugin
remove loadToSearchEngine from ProductService
adjust medusa core accordingly

packages/medusa-plugin-meilisearch/src/loaders/index.js

@@ -1,5 +1,54 @@
+import { transformProduct } from "../utils/transform-products"
+
 const INDEX_NS = "medusa-commerce"
 
+async function loadIntoSearchEngine(container) {
+  const meilisearchService = container.resolve("meilisearchService")
+  const productService = container.resolve("productService")
+
+  const TAKE = 20
+  const totalCount = await productService.count()
+  let iterCount = 0,
+    lastSeenId = "prod"
+
+  while (iterCount < totalCount) {
+    const products = await productService.list(
+      { id: { gt: lastSeenId } },
+      {
+        select: [
+          "id",
+          "title",
+          "subtitle",
+          "description",
+          "handle",
+          "is_giftcard",
+          "discountable",
+          "thumbnail",
+          "profile_id",
+          "collection_id",
+          "type_id",
+          "origin_country",
+          "created_at",
+          "updated_at",
+        ],
+        relations: ["variants", "tags", "type", "collection"],
+        take: TAKE,
+        order: { id: "ASC" },
+      }
+    )
+
+    const transformedProducts = products.map(transformProduct)
+
+    await meilisearchService.addDocuments(
+      `medusa-commerce_products`,
+      transformedProducts
+    )
+
+    iterCount += products.length
+    lastSeenId = products.at(-1).id
+  }
+}
+
 export default async (container, options) => {
   try {
     const meilisearchService = container.resolve("meilisearchService")
@@ -9,6 +58,8 @@ export default async (container, options) => {
         meilisearchService.updateSettings(`${INDEX_NS}_${key}`, value)
       )
     )
+
+    await loadIntoSearchEngine(container)
   } catch (err) {
     console.log(err)
   }

packages/medusa-plugin-meilisearch/src/subscribers/product-search.js

@@ -0,0 +1,91 @@
+import { transformProduct } from "../utils/transform-products"
+
+class ProductSearchSubscriber {
+  constructor(
+    { eventBusService, meilisearchService, productService },
+    options
+  ) {
+    this.eventBus_ = eventBusService
+
+    this.meilisearchService_ = meilisearchService
+
+    this.productService_ = productService
+
+    this.productIndexName = "medusa-commerce_products"
+
+    this.eventBus_.subscribe("product.created", this.handleProductCreation)
+
+    this.eventBus_.subscribe("product.updated", this.handleProductUpdate)
+
+    this.eventBus_.subscribe("product.deleted", this.handleProductDeletion)
+
+    this.eventBus_.subscribe(
+      "product-variant.created",
+      this.handleProductVariantChange
+    )
+
+    this.eventBus_.subscribe(
+      "product-variant.updated",
+      this.handleProductVariantChange
+    )
+
+    this.eventBus_.subscribe(
+      "product-variant.deleted",
+      this.handleProductVariantChange
+    )
+  }
+
+  handleProductCreation = async (data) => {
+    const product = await this.retrieveProduct_(data.id)
+    await this.meilisearchService_.addDocuments(this.productIndexName, [
+      product,
+    ])
+  }
+
+  retrieveProduct_ = async (product_id) => {
+    const product = await this.productService_.retrieve(product_id, {
+      select: [
+        "id",
+        "title",
+        "subtitle",
+        "description",
+        "handle",
+        "is_giftcard",
+        "discountable",
+        "thumbnail",
+        "profile_id",
+        "collection_id",
+        "type_id",
+        "origin_country",
+        "created_at",
+        "updated_at",
+      ],
+      relations: ["variants", "tags", "type", "collection"],
+    })
+    const transformedProduct = transformProduct(product)
+    return transformedProduct
+  }
+
+  handleProductUpdate = async (data) => {
+    const product = await this.retrieveProduct_(data.id)
+    await this.meilisearchService_.addDocuments(this.productIndexName, [
+      product,
+    ])
+  }
+
+  handleProductDeletion = async (data) => {
+    await this.meilisearchService_.deleteDocument(
+      this.productIndexName,
+      data.id
+    )
+  }
+
+  handleProductVariantChange = async (data) => {
+    const product = await this.retrieveProduct_(data.product_id)
+    await this.meilisearchService_.addDocuments(this.productIndexName, [
+      product,
+    ])
+  }
+}
+
+export default ProductSearchSubscriber

packages/medusa-plugin-meilisearch/src/utils/transform-products.js

@@ -0,0 +1,19 @@
+const keys = ["sku", "title", "upc", "ean", "mid_code", "hs_code"]
+const prefix = `variant`
+
+export const transformProduct = (product) => {
+  const initialObj = keys.reduce((obj, key) => {
+    obj[`${prefix}_${key}`] = []
+    return obj
+  }, {})
+
+  const flattenedFields = product.variants.reduce((obj, variant) => {
+    keys.forEach((k) => variant[k] && obj[`${prefix}_${k}`].push(variant[k]))
+    return obj
+  }, initialObj)
+
+  return {
+    ...product,
+    ...flattenedFields,
+  }
+}