feat(dashboard): variant images list thumbnail + refactor form state management (#13905)

## Summary

**What** — What changes are introduced in this PR?

- show thumbnail on the product variant list
- refactor variant image editor state management
- await revalidation before rendering form

**Testing** — How have these changes been tested, or how can the reviewer test the feature?

Manual testing

---

## Checklist

Please ensure the following before requesting a review:

- [x] I have added a **changeset** for this PR
    - Every non-breaking change should be marked as a **patch**
    - To add a changeset, run `yarn changeset` and follow the prompts
- [ ] The changes are covered by relevant **tests**
- [x] I have verified the code works as intended locally
- [ ] I have linked the related issue(s) if applicable

.changeset/serious-doors-pump.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/dashboard": patch
+---
+
+feat(dashboard): variant images list thumbnail + refactor form state management

packages/admin/dashboard/src/i18n/translations/en.json

@@ -530,8 +530,8 @@
       "successToast": "Media was successfully updated.",
       "variantImages": "Variant images",
       "showAvailableImages": "Show available images",
-      "availableImages": "Available images",
+      "availableImages": "Select images",
-      "selectToAdd": "Select to add to variant",
+      "selectToAdd": "Add product images to the variant. To add new images, add them to the product first.",
       "removeSelected": "Remove Selected"
     },
     "variantMedia": {

packages/admin/dashboard/src/routes/product-variants/product-variant-media/components/edit-product-variant-media-form/edit-product-variant-media-form.tsx

@@ -51,24 +51,9 @@ export const EditProductVariantMediaForm = ({
     (image) => !image.variants?.some((variant) => variant.id === variant.id)
   )
 
-  const [variantImages, setVariantImages] = useState<Record<string, true>>(() =>
-    allVariantImages.reduce(
-      // @eslint-disable-next-line
-      (acc: Record<string, true>, image) => {
-        acc[image.id] = true
-        return acc
-      },
-      {}
-    )
-  )
-
   const [selection, setSelection] = useState<Record<string, true>>({})
   const [isSidebarOpen, setIsSidebarOpen] = useState(false)
 
-  const availableImages = unassociatedImages.filter(
-    (image) => !variantImages[image.id!]
-  )
-
   const form = useForm<MediaSchemaType>({
     defaultValues: {
       image_ids: allVariantImages.map((image) => image.id!),
@@ -77,6 +62,11 @@ export const EditProductVariantMediaForm = ({
     resolver: zodResolver(MediaSchema),
   })
 
+  const formImageIds = form.watch("image_ids")
+  const availableImages = unassociatedImages.filter(
+    (image) => !formImageIds.includes(image.id!)
+  )
+
   const { mutateAsync: updateVariant } = useUpdateProductVariant(
     variant.product_id!,
     variant.id!
@@ -88,10 +78,8 @@ export const EditProductVariantMediaForm = ({
   )
 
   const handleSubmit = form.handleSubmit(async (data) => {
-    const currentVariantImageIds = data.image_ids
+    const currentVariantImageIds = allVariantImages.map((image) => image.id!)
-    const newVariantImageIds = Object.keys(variantImages).filter(
+    const newVariantImageIds = data.image_ids
-      (id) => variantImages[id]
-    )
 
     const imagesToAdd = newVariantImageIds.filter(
       (id) => !currentVariantImageIds.includes(id)
@@ -134,10 +122,11 @@ export const EditProductVariantMediaForm = ({
   })
 
   const handleAddImageToVariant = (imageId: string) => {
-    setVariantImages((prev) => ({
+    const currentImageIds = form.getValues("image_ids")
-      ...prev,
+    form.setValue("image_ids", [...currentImageIds, imageId], {
-      [imageId]: true,
+      shouldDirty: true,
-    }))
+      shouldTouch: true,
+    })
   }
 
   const handleCheckedChange = useCallback(
@@ -163,7 +152,10 @@ export const EditProductVariantMediaForm = ({
 
     const selectedImage = allProductImages.find((image) => image.id === ids[0])
     if (selectedImage) {
-      form.setValue("thumbnail", selectedImage.url)
+      form.setValue("thumbnail", selectedImage.url, {
+        shouldDirty: selectedImage.url !== variant.thumbnail,
+        shouldTouch: selectedImage.url !== variant.thumbnail,
+      })
     }
   }
 
@@ -173,12 +165,13 @@ export const EditProductVariantMediaForm = ({
       return
     }
 
-    setVariantImages((prev) => {
+    const currentImageIds = form.getValues("image_ids")
-      const newVariantImages = { ...prev }
+    const newImageIds = currentImageIds.filter(
-      selectedIds.forEach((id) => {
+      (id) => !selectedIds.includes(id)
-        delete newVariantImages[id]
+    )
-      })
+    form.setValue("image_ids", newImageIds, {
-      return newVariantImages
+      shouldDirty: true,
+      shouldTouch: true,
     })
 
     setSelection({})
@@ -218,7 +211,7 @@ export const EditProductVariantMediaForm = ({
               </div>
               <div className="grid h-fit auto-rows-auto grid-cols-2 gap-4 p-4 sm:grid-cols-3 lg:grid-cols-6 lg:gap-6 lg:p-6">
                 {allProductImages
-                  .filter((image) => variantImages[image.id!])
+                  .filter((image) => formImageIds.includes(image.id!))
                   .map((image) => (
                     <MediaGridItem
                       key={image.id}
@@ -238,7 +231,7 @@ export const EditProductVariantMediaForm = ({
                   <h3 className="ui-fg-base ">
                     {t("products.media.availableImages")}
                   </h3>
-                  <p className="text-ui-fg-dimmed mt-1 text-sm">
+                  <p className="text-ui-fg-muted mt-1 text-sm">
                     {t("products.media.selectToAdd")}
                   </p>
                 </div>
@@ -272,7 +265,7 @@ export const EditProductVariantMediaForm = ({
                         <h3 className="ui-fg-base text-sm font-medium">
                           {t("products.media.availableImages")}
                         </h3>
-                        <p className="ui-fg-muted mt-1 text-xs">
+                        <p className="text-ui-fg-muted mt-1 pr-2 text-xs">
                           {t("products.media.selectToAdd")}
                         </p>
                       </div>

packages/admin/dashboard/src/routes/product-variants/product-variant-media/product-variant-media.tsx

@@ -12,13 +12,15 @@ type ProductMediaVariantsReponse = HttpTypes.AdminProductVariant & {
 export const ProductVariantMedia = () => {
   const { id, variant_id } = useParams()
 
-  const { variant, isLoading, isError, error } = useProductVariant(
+  const { variant, isFetching, isError, error } = useProductVariant(
     id!,
     variant_id!,
-    { fields: "*product,*product.images,*images,+images.variants.id" }
+    {
+      fields: "*product,*product.images,*images,+images.variants.id",
+    }
   )
 
-  const ready = !isLoading && variant
+  const ready = !isFetching && variant
 
   if (isError) {
     throw error

packages/admin/dashboard/src/routes/products/product-detail/components/product-variant-section/product-variant-section.tsx

@@ -18,7 +18,6 @@ import { useTranslation } from "react-i18next"
 import { CellContext } from "@tanstack/react-table"
 import { useNavigate, useSearchParams } from "react-router-dom"
 import { DataTable } from "../../../../../components/data-table"
-import { useDataTableDateColumns } from "../../../../../components/data-table/helpers/general/use-data-table-date-columns"
 import { useDataTableDateFilters } from "../../../../../components/data-table/helpers/general/use-data-table-date-filters"
 import {
   useDeleteVariantLazy,
@@ -26,6 +25,7 @@ import {
 } from "../../../../../hooks/api/products"
 import { useQueryParams } from "../../../../../hooks/use-query-params"
 import { PRODUCT_VARIANT_IDS_KEY } from "../../../common/constants"
+import { Thumbnail } from "../../../../../components/common/thumbnail"
 
 type ProductVariantSectionProps = {
   product: HttpTypes.AdminProduct
@@ -39,26 +39,11 @@ export const ProductVariantSection = ({
 }: ProductVariantSectionProps) => {
   const { t } = useTranslation()
 
-  const {
+  const { q, order, offset, allow_backorder, manage_inventory } =
-    q,
+    useQueryParams(
-    order,
+      ["q", "order", "offset", "manage_inventory", "allow_backorder"],
-    offset,
+      PREFIX
-    allow_backorder,
+    )
-    manage_inventory,
-    created_at,
-    updated_at,
-  } = useQueryParams(
-    [
-      "q",
-      "order",
-      "offset",
-      "manage_inventory",
-      "allow_backorder",
-      "created_at",
-      "updated_at",
-    ],
-    PREFIX
-  )
 
   const columns = useColumns(product)
   const filters = useFilters()
@@ -77,10 +62,8 @@ export const ProductVariantSection = ({
       manage_inventory: manage_inventory
         ? JSON.parse(manage_inventory)
         : undefined,
-      created_at: created_at ? JSON.parse(created_at) : undefined,
-      updated_at: updated_at ? JSON.parse(updated_at) : undefined,
       fields:
-        "title,sku,*options,created_at,updated_at,*inventory_items.inventory.location_levels,inventory_quantity,manage_inventory",
+        "title,sku,thumbnail,*options,created_at,*inventory_items.inventory.location_levels,inventory_quantity,manage_inventory",
     },
     {
       placeholderData: keepPreviousData,
@@ -163,8 +146,6 @@ const useColumns = (product: HttpTypes.AdminProduct) => {
     return filtered
   }, [searchParams])
 
-  const dateColumns = useDataTableDateColumns<HttpTypes.AdminProductVariant>()
-
   const handleDelete = useCallback(
     async (id: string, title: string) => {
       const res = await prompt({
@@ -349,6 +330,18 @@ const useColumns = (product: HttpTypes.AdminProduct) => {
 
   return useMemo(() => {
     return [
+      columnHelper.accessor("thumbnail", {
+        header: "",
+        headerAlign: "center",
+        maxSize: 72,
+        cell: ({ row }) => {
+          return (
+            <div className="flex items-center pl-[1px]">
+              <Thumbnail src={row.original.thumbnail} />
+            </div>
+          )
+        },
+      }),
       columnHelper.accessor("title", {
         header: t("fields.title"),
         enableSorting: true,
@@ -387,12 +380,11 @@ const useColumns = (product: HttpTypes.AdminProduct) => {
         },
         maxSize: 250,
       }),
-      ...dateColumns,
       columnHelper.action({
         actions: getActions,
       }),
     ]
-  }, [t, optionColumns, dateColumns, getActions, getInventory])
+  }, [t, optionColumns, getActions, getInventory])
 }
 
 const filterHelper =