pop theme

src/modules/product/DTO/product.dto.ts

@@ -82,13 +82,17 @@ class SaleFormatDTO {
 }
 
 //#################################
+export class ThemeDTO {
+  @Expose()
+  title: string;
+}
 
 export class ThemeValueDTO {
   @Expose()
   _id: string;
 
   @Expose()
-  theme: string;
+  theme: ThemeDTO;
 
   @Expose()
   name?: string;

src/modules/product/Repository/productVarinat.ts

@@ -86,15 +86,36 @@ export class ProductVariantRepository extends BaseRepository<IProductVariant> {
       {
         $unwind: "$category",
       },
-
       {
         $lookup: {
-          from: "themeValues",
+          from: "themevalues",
           localField: "themeValue",
           foreignField: "_id",
           as: "themeValue",
         },
       },
+      {
+        $unwind: {
+          path: "$themeValue",
+          preserveNullAndEmptyArrays: true,
+        },
+      },
+      {
+        $lookup: {
+          from: "themes",
+          localField: "themeValue.theme",
+          foreignField: "_id",
+          as: "theme_doc",
+        },
+      },
+      {
+        $addFields: {
+          "themeValue.theme": { $arrayElemAt: ["$theme_doc", 0] },
+        },
+      },
+      {
+        $project: { theme_doc: 0 }, // drop the temporary array
+      },
       {
         $lookup: {
           from: "shipments",
@@ -103,12 +124,7 @@ export class ProductVariantRepository extends BaseRepository<IProductVariant> {
           as: "shipmentMethod",
         },
       },
-      {
+
-        $unwind: {
-          path: "$themeValue",
-          preserveNullAndEmptyArrays: true,
-        },
-      },
 
       {
         $addFields: {