feat: add page size in all the rest API

src/product/history-price/history-price.service.ts

@@ -38,6 +38,7 @@ export class ProductHistoryPriceService {
     page: number,
     productId: string,
     supplierId: string,
+    pageSize?: number,
   ) {
     try {
       const query = this.productHistoryPriceService
@@ -54,8 +55,8 @@ export class ProductHistoryPriceService {
 
       const data = await query
         .orderBy('product_history_price.createdAt', 'DESC')
-        .skip(page * 10)
-        .take(10)
+        .skip(page * (pageSize || 10))
+        .take(pageSize || 10)
         .getMany();
 
       const totalData = await query.getCount();

src/product/product-categories.service.ts

@@ -36,10 +36,10 @@ export class ProductCategoriesService {
     );
   }
 
-  findAll(page) {
+  findAll(page, pageSize?) {
     return this.productCategoriesRepository.findAndCount({
-      skip: page * 10,
-      take: 10,
+      skip: page * (pageSize || 10),
+      take: pageSize || 10,
       order: {
         version: 'DESC',
       },

src/product/product-sub-categories.service.ts

@@ -44,7 +44,7 @@ export class ProductSubCategoriesService {
     );
   }
 
-  async findAll(page, category: string) {
+  async findAll(page, category: string, pageSize?) {
     let filterCategories;
     if (category) {
       filterCategories = category.split(',').map((data) => data.trim());
@@ -61,8 +61,8 @@ export class ProductSubCategoriesService {
     }
 
     const data = await baseQuery
-      .skip(page * 10)
-      .take(10)
+      .skip(page * (pageSize || 10))
+      .take(pageSize || 10)
       .getMany();
 
     const totalData = await baseQuery.getCount();

src/product/product.controller.ts

@@ -72,6 +72,7 @@ export class ProductController {
   @Get('all')
   async findAll(
     @Query('page') page: number,
+    @Query('pageSize') pageSize: number,
     @Query('sub-category') subcategory: string,
     @Query('supplier') supplier: string,
   ) {
@@ -79,6 +80,7 @@ export class ProductController {
       page,
       supplier == 'null' ? null : supplier,
       subcategory == 'null' ? null : subcategory,
+      pageSize,
     );
 
     return {
@@ -105,6 +107,7 @@ export class ProductController {
   @Get('by-categories-all')
   async findByCategoriesAll(
     @Query('page') page: number,
+    @Query('pageSize') pageSize: number,
     @Query('sub-category') subcategory: string,
     @Query('supplier') supplier: string,
   ) {
@@ -112,6 +115,7 @@ export class ProductController {
       page,
       subcategory,
       supplier,
+      pageSize,
     );
 
     return {
@@ -143,8 +147,14 @@ export class ProductController {
   }
 
   @Get('categories')
-  async findAllCategories(@Query('page') page: number) {
-    const [data, count] = await this.productCategoriesService.findAll(page);
+  async findAllCategories(
+    @Query('page') page: number,
+    @Query('pageSize') pageSize: number,
+  ) {
+    const [data, count] = await this.productCategoriesService.findAll(
+      page,
+      pageSize,
+    );
 
     return {
       data,
@@ -157,11 +167,13 @@ export class ProductController {
   @Get('sub-categories')
   async findAllSubCategories(
     @Query('page') page: number,
+    @Query('pageSize') pageSize: number,
     @Query('category') category: string,
   ) {
     const data = await this.productSubCategoriesService.findAll(
       page,
       category == 'null' ? null : category,
+      pageSize,
     );
 
     return {
@@ -184,12 +196,14 @@ export class ProductController {
   async findPriceHistoryByProductId(
     @Param('id', ParseUUIDPipe) id: string,
     @Query('page') page: number,
+    @Query('pageSize') pageSize: number,
     @Query('supplier') supplier: string,
   ) {
     const data = await this.productHistoryPriceService.findOneByProductId(
       page,
       id,
       supplier,
+      pageSize,
     );
 
     return {

src/product/product.service.ts

@@ -47,7 +47,12 @@ export class ProductService {
     return this.productRepository.findOneOrFail(result.identifiers[0].id);
   }
 
-  async findAll(page: number, supplier: string, subCategories: string) {
+  async findAll(
+    page: number,
+    supplier: string,
+    subCategories: string,
+    pageSize?: number,
+  ) {
     let filterSupplier, filterSubCategories;
 
     if (supplier) {
@@ -61,10 +66,6 @@ export class ProductService {
         return data.trim();
       });
     }
-    // if (supplier.length > 0) {
-    //   const dataSupplier = await this.supplierService.findByActiveAll();
-    //   supplier = dataSupplier.map((item) => item.id);
-    // }
 
     const baseQuery = this.productRepository
       .createQueryBuilder('product')
@@ -72,9 +73,6 @@ export class ProductService {
       .leftJoin('sub_categories.category', 'category')
       .leftJoin('product.supplier', 'supplier')
       .where('supplier.status = :status', { status: true })
-      // .where(`product.supplier_id = :supplier_id`, {
-      //   supplier_id: In(supplier),
-      // })
       .leftJoinAndMapOne(
         'product.currentPrice',
         'product.priceHistory',
@@ -106,15 +104,9 @@ export class ProductService {
       });
     }
 
-    // if (categories != 'null' && categories) {
-    //   baseQuery.andWhere('sub_categories.category_id = :id', {
-    //     id: categories,
-    //   });
-    // }
-
     const data = await baseQuery
-      .offset(page * 10)
-      .limit(10)
+      .offset(page * (pageSize || 10))
+      .limit(pageSize || 10)
       .getRawMany();
 
     const totalData = await baseQuery.getCount();
@@ -156,7 +148,7 @@ export class ProductService {
     };
   }
 
-  async findAllBySubCategories(page, subCategories, supplier) {
+  async findAllBySubCategories(page, subCategories, supplier, pageSize?) {
     if (supplier != 'null' && !supplier) {
       supplier = (await this.supplierService.findByActive()).id;
     }
@@ -184,8 +176,8 @@ export class ProductService {
     }
 
     const data = await baseQuery
-      .skip(page * 10)
-      .take(10)
+      .skip(page * (pageSize || 10))
+      .take(pageSize || 10)
       .getMany();
 
     const totalData = await baseQuery.getCount();