From d5644b1a99ae51e74e4b57d82989d36b0a222983 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D1=80=D1=82=D1=91=D0=BC=20=D0=90=D0=BB=D0=B5=D0=B9?=
 =?UTF-8?q?=D0=BA=D0=B8=D0=BD?= <aleyckin@mail.ru>
Date: Tue, 13 Jun 2023 14:00:11 +0400
Subject: [PATCH] LabWork05 neverWORK

---
 .../controller/ProductMvcController.java      | 38 ++++++++++++--
 .../HardwareShop/services/ProductService.java | 28 ++++++++++
 .../resources/templates/product-filter.html   | 52 ++-----------------
 3 files changed, 66 insertions(+), 52 deletions(-)

diff --git a/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/ProductMvcController.java b/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/ProductMvcController.java
index a91d12e..11b8cad 100644
--- a/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/ProductMvcController.java
+++ b/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/ProductMvcController.java
@@ -5,12 +5,15 @@ import org.springframework.ui.Model;
 import org.springframework.validation.BindingResult;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
+import ru.ulstu.is.sbapp.HardwareShop.models.Product;
 import ru.ulstu.is.sbapp.HardwareShop.services.CategoryService;
 import ru.ulstu.is.sbapp.HardwareShop.services.ManufacturerService;
 import ru.ulstu.is.sbapp.HardwareShop.services.ProductService;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Base64;
+import java.util.List;
 
 @Controller
 @RequestMapping("/product")
@@ -27,14 +30,39 @@ public class ProductMvcController {
     }
 
     @GetMapping
-    public String getProducts(Model model) {
-        model.addAttribute("products",
-                productService.findAllProducts().stream()
-                        .map(ProductDTO::new)
-                        .toList());
+    public String getProducts(Model model, @RequestParam(required = false)List<ManufacturerDTO> manufacturerDTOS) {
+        List<ProductDTO> productDTOS;
+        if (manufacturerDTOS == null) {
+            productDTOS = productService.findAllProducts().stream()
+                    .map(ProductDTO::new)
+                    .toList();
+        }
+        else {
+            productDTOS = productService.getProductsFilter(manufacturerDTOS)
+                    .stream()
+                    .map(ProductDTO::new)
+                    .toList();
+        }
+        model.addAttribute("products", productDTOS);
         return "products";
     }
 
+    @GetMapping("filter")
+    public String FilterMethod(@RequestParam(required = false) Long manufacturerid, Model model, @RequestParam(name = "selected", required = false)List<ManufacturerDTO> selected) {
+        if (manufacturerid != null && manufacturerid != 0) {
+            if (selected == null) {
+                selected = new ArrayList<>();
+            }
+            selected.add(new ManufacturerDTO(manufacturerService.findManufacturer(manufacturerid)));
+        }
+        model.addAttribute("selected", selected);
+        model.addAttribute("manufacturers", manufacturerService.findAllManufacturers()
+                .stream()
+                .map(ManufacturerDTO::new)
+                .toList());
+        return "product-filter";
+    }
+
     @GetMapping(value = {"/update", "/update/{id}"})
     public String updateProduct(@PathVariable(required = false) Long id,
                              Model model) {
diff --git a/src/main/java/ru/ulstu/is/sbapp/HardwareShop/services/ProductService.java b/src/main/java/ru/ulstu/is/sbapp/HardwareShop/services/ProductService.java
index a44b99c..5a9f0df 100644
--- a/src/main/java/ru/ulstu/is/sbapp/HardwareShop/services/ProductService.java
+++ b/src/main/java/ru/ulstu/is/sbapp/HardwareShop/services/ProductService.java
@@ -4,6 +4,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 import org.springframework.web.multipart.MultipartFile;
+import ru.ulstu.is.sbapp.HardwareShop.controller.ManufacturerDTO;
 import ru.ulstu.is.sbapp.HardwareShop.controller.ProductDTO;
 import ru.ulstu.is.sbapp.HardwareShop.models.Manufacturer;
 import ru.ulstu.is.sbapp.HardwareShop.models.Product;
@@ -18,6 +19,7 @@ import ru.ulstu.is.sbapp.Util.Validation.ValidatorUtil;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -126,4 +128,30 @@ public class ProductService {
     public List<Manufacturer> getProductManufacturers(Long id){
         return productRepository.findById(id).get().getManufacturerList();
     }
+
+    @Transactional
+    public List<Product> getProductsFilter(List<ManufacturerDTO> manufacturerDTOS) {
+        List<Manufacturer> manufacturers = new ArrayList<>();
+        for(ManufacturerDTO mnfctrDTO : manufacturerDTOS) {
+            manufacturers.add(manufacturerService.findManufacturer(mnfctrDTO.getId()));
+        }
+
+        List<Product> filter = findAllProducts();
+
+        for(Product product : filter) {
+            boolean flag = false;
+            for (Manufacturer manufacturer : product.getManufacturerList()) {
+                if (manufacturers.contains(manufacturer)) {
+                    flag = true;
+                    break;
+                }
+            }
+            if (!flag)
+            {
+                filter.remove(product);
+            }
+        }
+
+        return filter;
+    }
 }
diff --git a/src/main/resources/templates/product-filter.html b/src/main/resources/templates/product-filter.html
index f8dd6fb..eb6c71e 100644
--- a/src/main/resources/templates/product-filter.html
+++ b/src/main/resources/templates/product-filter.html
@@ -16,9 +16,9 @@
       </tr>
       </thead>
       <tbody>
-      <tr th:each="selmanufacturer, iterator: ${selmanufacturers}">
-        <td th:text="${selmanufacturer.name}" style="width: 35%"/>
-        <td th:text="${selmanufacturer.address}" style="width: 35%"/>
+      <tr th:each="manufacturer, iterator: ${selected}">
+        <td th:text="${manufacturer.name}" style="width: 35%"/>
+        <td th:text="${manufacturer.address}" style="width: 35%"/>
         <td style="width: 10%">
           <div class="btn-group" role="group" aria-label="Basic example">
             <button type="button" class="btn btn-danger button-fixed button-sm"
@@ -26,7 +26,7 @@
               <i class="fa fa-trash" aria-hidden="true"></i> Удалить
             </button>
           </div>
-          <form th:action="@{/product/filter/delete/{id}(id=${selmanufacturer.id})}" method="post">
+          <form th:action="@{/manufacturer/delete/{id}(id=${manufacturer.id})}" method="post">
             <button th:id="'remove-' + ${manufacturer.id}" type="submit" style="display: none">
               Удалить
             </button>
@@ -36,7 +36,7 @@
       </tbody>
     </table>
   </div>
-  <form th:action="@{/product/filter}" th:object="${selmanufacturers}" method="post">
+  <form th:action="@{/product/filter(selected=${selected})}" enctype="manufacturerid/form-data" method="get">
     <div class="input-group mb-3">
       <select class="form-select" th:name="manufacturerid">
         <option th:each="manufacturer, iterator: ${manufacturers}" th:value="${manufacturer.id}" th:text="${manufacturer.name}"></option>
@@ -44,48 +44,6 @@
       <button class="btn btn-outline-secondary" type="submit">Добавить</button>
     </div>
   </form>
-  <div class="table-responsive">
-    <table class="table">
-      <thead>
-      <tr>
-        <th scope="col">Название</th>
-        <th scope="col">Цена</th>
-        <th scope="col">Фото</th>
-        <th scope="col">Категория</th>
-        <th scope="col">Редактировать запись</th>
-      </tr>
-      </thead>
-      <tbody>
-      <tr th:each="product, iterator: ${products}">
-        <td th:text="${product.name}" style="width: 25%"/>
-        <td th:text="${product.price}" style="width: 25%"/>
-        <td><img th:src="${product.photo}" class="img-thumbnail mw-50 mh-50"/></td>
-        <td th:text="${product.categoryName}" style="width: 25%"/>
-        <td style="width: 10%">
-          <div class="btn-group" role="group" aria-label="Basic example">
-            <a class="btn btn-warning button-fixed button-sm"
-               th:href="@{/product/update/{id}(id=${product.id})}">
-              <i class="fa fa-pencil" aria-hidden="true"></i> Изменить
-            </a>
-            <button type="button" class="btn btn-danger button-fixed button-sm"
-                    th:attr="onclick=|confirm('Удалить запись?') && document.getElementById('remove-${product.id}').click()|">
-              <i class="fa fa-trash" aria-hidden="true"></i> Удалить
-            </button>
-            <a class="btn btn-primary button-fixed button-sm"
-               th:href="@{/product/{id}/manufacturers(id=${product.id})}">
-              <i class="fa fa-pencil" aria-hidden="true"></i> Производители
-            </a>
-          </div>
-          <form th:action="@{/product/delete/{id}(id=${product.id})}" method="post">
-            <button th:id="'remove-' + ${product.id}" type="submit" style="display: none">
-              Удалить
-            </button>
-          </form>
-        </td>
-      </tr>
-      </tbody>
-    </table>
-  </div>
 </div>
 </body>
 </html>
\ No newline at end of file