fix bug in category products

src/modules/product/Repository/product.ts

@@ -1,4 +1,4 @@
-import { Types } from "mongoose";
+import { PipelineStage, Types } from "mongoose";
 
 import { BaseRepository } from "../../../common/base/repository";
 import { ProductMarketStatus, ProductStatus } from "../../../common/enums/product.enum";
@@ -130,6 +130,11 @@ export class ProductRepository extends BaseRepository<IProduct> {
           variantId: "$default_variant._id",
         },
       },
+      {
+        $sort: {
+          createdAt: -1,
+        },
+      },
       {
         $facet: {
           data: [{ $skip: skip }, { $limit: limit }],
@@ -141,11 +146,6 @@ export class ProductRepository extends BaseRepository<IProduct> {
           totalCount: { $arrayElemAt: ["$totalCount.count", 0] },
         },
       },
-      {
-        $sort: {
-          createdAt: -1,
-        },
-      },
     ]);
     return {
       count: (products[0]?.totalCount as number) || 0,
@@ -226,6 +226,11 @@ export class ProductRepository extends BaseRepository<IProduct> {
           popular: { $cond: [{ $gt: [{ $size: "$popularData" }, 0] }, true, false] },
         },
       },
+      {
+        $sort: {
+          createdAt: -1,
+        },
+      },
       {
         $facet: {
           data: [{ $skip: skip }, { $limit: limit }],
@@ -237,11 +242,6 @@ export class ProductRepository extends BaseRepository<IProduct> {
           totalCount: { $arrayElemAt: ["$totalCount.count", 0] },
         },
       },
-      {
-        $sort: {
-          createdAt: -1,
-        },
-      },
     ]);
     return {
       count: (products[0]?.totalCount as number) || 0,
@@ -361,6 +361,11 @@ export class ProductRepository extends BaseRepository<IProduct> {
           variantId: "$default_variant._id",
         },
       },
+      {
+        $sort: {
+          createdAt: -1,
+        },
+      },
       {
         $facet: {
           data: [{ $skip: skip }, { $limit: limit }],
@@ -380,11 +385,6 @@ export class ProductRepository extends BaseRepository<IProduct> {
           totalCount: { $arrayElemAt: ["$totalCount.count", 0] },
         },
       },
-      {
-        $sort: {
-          createdAt: -1,
-        },
-      },
     ]);
     return {
       count: (products?.[0]?.totalCount as number) || 0,
@@ -1625,6 +1625,7 @@ export class ProductRepository extends BaseRepository<IProduct> {
           break;
       }
     }
+    const sortStage = { ...sortMatch, _id: 1 };
     const pipeline = [
       {
         $match: productMatch,
@@ -1762,11 +1763,23 @@ export class ProductRepository extends BaseRepository<IProduct> {
           preserveNullAndEmptyArrays: true,
         },
       },
-
+      {
+        $group: {
+          _id: {
+            productId: "$_id",
+            variantId: "$variants._id",
+          },
+          doc: { $first: "$$ROOT" },
+        },
+      },
+      {
+        $replaceRoot: { newRoot: "$doc" },
+      },
       {
         $group: {
           _id: "$_id",
           count: { $sum: 1 },
+          createdAt: { $first: "$createdAt" },
           title_fa: { $first: "$title_fa" },
           title_en: { $first: "$title_en" },
           seoTitle: { $first: "$seoTitle" },
@@ -1819,7 +1832,7 @@ export class ProductRepository extends BaseRepository<IProduct> {
       },
       {
         $facet: {
-          data: [{ $skip: skip }, { $limit: limit }, { $sort: sortMatch }],
+          data: [{ $sort: sortStage }, { $skip: skip }, { $limit: limit }],
           totalCount: [{ $count: "count" }],
         },
       },
@@ -1830,7 +1843,7 @@ export class ProductRepository extends BaseRepository<IProduct> {
       },
     ];
 
-    const docs = await this.model.aggregate(pipeline);
+    const docs = await this.model.aggregate(pipeline as PipelineStage[]);
     return {
       count: (docs[0]?.totalCount as number) || 0,
       docs: docs[0]?.data || [],