hs_monolith/documentation/microservice_stock/chapter/monolith.patch

From 0754b05118df8af98963428fe32baf7a81920cb7 Mon Sep 17 00:00:00 2001
From: Martin Geno <geno+dev@fireorbit.de>
Date: Thu, 22 Jun 2017 20:15:07 +0200
Subject: [PATCH 1/2] [TASK] patch for microservice stock

---
 .../monolith/domain/DataTransferObjectFactory.java      |  2 ++
 .../de/mstock/monolith/domain/ProductRepository.java    |  5 +++++
 .../java/de/mstock/monolith/service/ShopService.java    | 13 +++++++++++++
 .../java/de/mstock/monolith/web/HomepageController.java | 17 +++++++++++++++--
 .../java/de/mstock/monolith/web/ProductController.java  | 15 +++++++++++++++
 src/main/java/de/mstock/monolith/web/ProductDTO.java    | 10 ++++++++++
 src/main/resources/templates/product.html               |  4 ++++
 7 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/src/main/java/de/mstock/monolith/domain/DataTransferObjectFactory.java b/src/main/java/de/mstock/monolith/domain/DataTransferObjectFactory.java
index 914d1ae..b026020 100644
--- a/src/main/java/de/mstock/monolith/domain/DataTransferObjectFactory.java
+++ b/src/main/java/de/mstock/monolith/domain/DataTransferObjectFactory.java
@@ -86,6 +86,8 @@ private ProductDTO createProductWithoutReviewsDTO(Product product, Locale locale
     ProductI18n i18n = product.getI18n().get(locale.getLanguage());
     String price = numberFormat.format(i18n.getPrice());
     ProductDTO productDTO = new ProductDTO();
+    // Addition: productDTO.setID()
+    productDTO.setId(product.getId());
     productDTO.setItemNumber(product.getItemNumber());
     productDTO.setUnit(product.getUnit());
     productDTO.setName(i18n.getName());
diff --git a/src/main/java/de/mstock/monolith/domain/ProductRepository.java b/src/main/java/de/mstock/monolith/domain/ProductRepository.java
index e811855..d72fb53 100644
--- a/src/main/java/de/mstock/monolith/domain/ProductRepository.java
+++ b/src/main/java/de/mstock/monolith/domain/ProductRepository.java
@@ -1,5 +1,7 @@
 package de.mstock.monolith.domain;
 
+import java.util.List;
+
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.Repository;
 
@@ -9,4 +11,7 @@
       + "where key(i) = ?1 and lower(i.name) = ?2")
   Product findByI18nName(String language, String name);
 
+  @Query("select p from Product p")
+  List<Product> findAll();
+
 }
diff --git a/src/main/java/de/mstock/monolith/service/ShopService.java b/src/main/java/de/mstock/monolith/service/ShopService.java
index c230e45..c96f266 100644
--- a/src/main/java/de/mstock/monolith/service/ShopService.java
+++ b/src/main/java/de/mstock/monolith/service/ShopService.java
@@ -59,6 +59,19 @@
   }
 
   /**
+   * Gets all products in the current language.
+   *
+   * @return A simplified Data Transfer Object.
+   */
+  public List<ProductDTO> getAllProducts(Locale locale) {
+    String language = locale.getLanguage();
+    List<Product> products = productRepository.findAll();
+    List<ProductDTO> productsDTO =
+            dtoFactory.createProductWithoutReviewsDTOs(products, locale);
+    return Collections.unmodifiableList(productsDTO);
+  }
+
+  /**
    * Gets a product in the current language.
    * 
    * @return A simplified Data Transfer Object.
diff --git a/src/main/java/de/mstock/monolith/web/HomepageController.java b/src/main/java/de/mstock/monolith/web/HomepageController.java
index 90a0acc..4395a42 100644
--- a/src/main/java/de/mstock/monolith/web/HomepageController.java
+++ b/src/main/java/de/mstock/monolith/web/HomepageController.java
@@ -17,11 +17,24 @@
 
   @Autowired
   private ShopService shopService;
+  // Addition: contant with the address of the stock microservice adminfrontend
+  private final String STOCKADMINFRONTENDTEMPLATE = "https://stock.pub.warehost.de/index.html";
 
   /**
-   * Homepage
-   * 
+   * Redirect to stock admin frontend
+   *
    * @param model Template model
+   * @return The constant template name for the stock admin frontend.
+   */
+  @RequestMapping(value = "/stockadmin", method = RequestMethod.GET)
+  public String redirect(Model model) {
+    return "redirect:" + this.STOCKADMINFRONTENDTEMPLATE;
+  }
+
+  /**
+   * Homepage
+   *
+   * @param model  Template model
    * @param locale Current locale
    * @return The template's name.
    */
diff --git a/src/main/java/de/mstock/monolith/web/ProductController.java b/src/main/java/de/mstock/monolith/web/ProductController.java
index 52f1ed3..5fbcacf 100644
--- a/src/main/java/de/mstock/monolith/web/ProductController.java
+++ b/src/main/java/de/mstock/monolith/web/ProductController.java
@@ -1,6 +1,7 @@
 package de.mstock.monolith.web;
 
 import java.util.Locale;
+import java.util.List;
 
 import javax.validation.Valid;
 
@@ -11,6 +12,7 @@
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import de.mstock.monolith.service.ReviewService;
 import de.mstock.monolith.service.ShopService;
@@ -66,4 +68,17 @@ public String post(@Valid ReviewForm reviewForm, BindingResult bindingResult,
     model.addAttribute("product", shopService.getProduct(locale, prettyUrlFragment));
     return TEMPLATE;
   }
+
+  @RequestMapping(value = "/products/{prettyUrlFragment:[\\w-]+}.json", method = RequestMethod.GET)
+  @ResponseBody
+  public ProductDTO productJson(@PathVariable String prettyUrlFragment, Locale locale) {
+    return shopService.getProduct(locale, prettyUrlFragment);
+  }
+
+  @RequestMapping(value = "/products.json", method = RequestMethod.GET)
+  @ResponseBody
+  public List<ProductDTO> allProductJson(Locale locale) {
+    return shopService.getAllProducts(locale);
+  }
+
 }
diff --git a/src/main/java/de/mstock/monolith/web/ProductDTO.java b/src/main/java/de/mstock/monolith/web/ProductDTO.java
index a5b76b6..a7d3245 100644
--- a/src/main/java/de/mstock/monolith/web/ProductDTO.java
+++ b/src/main/java/de/mstock/monolith/web/ProductDTO.java
@@ -6,6 +6,7 @@
 
 public class ProductDTO {
 
+  private int id;
   private String itemNumber;
   private ProductWeightUnit unit;
   private String name;
@@ -14,6 +15,15 @@
   private String description;
   private List<ReviewDTO> reviews;
 
+  // Addition: int id, getId() and setID()
+  public int getId() {
+    return id;
+  }
+
+  public void setId(int id) {
+    this.id = id;
+  }
+
   public String getItemNumber() {
     return itemNumber;
   }
diff --git a/src/main/resources/templates/product.html b/src/main/resources/templates/product.html
index 0d7bc31..9b2d0bf 100644
--- a/src/main/resources/templates/product.html
+++ b/src/main/resources/templates/product.html
@@ -31,6 +31,10 @@
       </div>
       <div class="col-md-8">
         <h2 th:text="${product.name}">Product Name</h2>
+
+        <!-- Addition: traffic light food labeling system of the stock microservice -->
+        <img width="10%" class="icon" th:src="${'https://stock.pub.warehost.de/api/good/availablity/'+product.id}"/>
+
         <p class="text-info text-uppercase" th:text="${product.price}">0,00 Euro</p>
         <p class="lead" th:text="${product.description}">Description.</p>
         <div th:replace="fragments/reviews :: reviews"></div>

From 0aa115e34ca231eefe2003919467fb017d60a7c2 Mon Sep 17 00:00:00 2001
From: Martin Geno <geno+dev@fireorbit.de>
Date: Fri, 23 Jun 2017 12:45:24 +0200
Subject: [PATCH 2/2] [TASK] fix for presentation

---
 .../de/mstock/monolith/domain/ProductRepository.java  |  4 ++++
 .../java/de/mstock/monolith/service/ShopService.java  | 19 ++++++++++++++++---
 .../de/mstock/monolith/web/ProductController.java     | 10 +++++-----
 src/main/resources/templates/product.html             |  4 ++--
 4 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/src/main/java/de/mstock/monolith/domain/ProductRepository.java b/src/main/java/de/mstock/monolith/domain/ProductRepository.java
index d72fb53..a807fae 100644
--- a/src/main/java/de/mstock/monolith/domain/ProductRepository.java
+++ b/src/main/java/de/mstock/monolith/domain/ProductRepository.java
@@ -11,6 +11,10 @@
       + "where key(i) = ?1 and lower(i.name) = ?2")
   Product findByI18nName(String language, String name);
 
+	@Query("select p from Product p join fetch p.i18n i left join fetch i.reviews r "
+      + "where key(i) = ?1 and p.id = ?2")
+  Product findByID(String language, Integer id);
+
   @Query("select p from Product p")
   List<Product> findAll();
 
diff --git a/src/main/java/de/mstock/monolith/service/ShopService.java b/src/main/java/de/mstock/monolith/service/ShopService.java
index c96f266..4b860d5 100644
--- a/src/main/java/de/mstock/monolith/service/ShopService.java
+++ b/src/main/java/de/mstock/monolith/service/ShopService.java
@@ -30,7 +30,7 @@
 
   /**
    * Gets all categories of the current language.
-   * 
+   *
    * @return A simplified Data Transfer Object.
    */
   public List<CategoryDTO> getCategories(Locale locale) {
@@ -44,7 +44,7 @@
 
   /**
    * Gets all products for a category in the current language.
-   * 
+   *
    * @return A simplified Data Transfer Object.
    */
   public List<ProductDTO> getProductsForCategory(Locale locale, String prettyUrlFragment) {
@@ -73,7 +73,20 @@
 
   /**
    * Gets a product in the current language.
-   * 
+   *
+   * @return A simplified Data Transfer Object.
+   */
+  public ProductDTO getProduct(Locale locale, Integer id) {
+    Product product = productRepository.findByID(locale.getLanguage(), id);
+    if (product == null) {
+      throw new NotFoundException();
+    }
+    return dtoFactory.createProductDTO(product, locale);
+  }
+
+  /**
+   * Gets a product in the current language.
+   *
    * @return A simplified Data Transfer Object.
    */
   public ProductDTO getProduct(Locale locale, String prettyUrlFragment) {
diff --git a/src/main/java/de/mstock/monolith/web/ProductController.java b/src/main/java/de/mstock/monolith/web/ProductController.java
index 5fbcacf..22730c5 100644
--- a/src/main/java/de/mstock/monolith/web/ProductController.java
+++ b/src/main/java/de/mstock/monolith/web/ProductController.java
@@ -31,7 +31,7 @@
 
   /**
    * Product page
-   * 
+   *
    * @param prettyUrlFragment Pretty URL fragment
    * @param model Template model
    * @param locale Current locale
@@ -46,7 +46,7 @@ public String product(@PathVariable String prettyUrlFragment, Model model, Local
 
   /**
    * Post a review
-   * 
+   *
    * @param reviewForm Form data
    * @param bindingResult Form binding result after validation
    * @param prettyUrlFragment Product context
@@ -69,10 +69,10 @@ public String post(@Valid ReviewForm reviewForm, BindingResult bindingResult,
     return TEMPLATE;
   }
 
-  @RequestMapping(value = "/products/{prettyUrlFragment:[\\w-]+}.json", method = RequestMethod.GET)
+  @RequestMapping(value = "/products/{id}.json", method = RequestMethod.GET)
   @ResponseBody
-  public ProductDTO productJson(@PathVariable String prettyUrlFragment, Locale locale) {
-    return shopService.getProduct(locale, prettyUrlFragment);
+  public ProductDTO productJson(@PathVariable Integer id, Locale locale) {
+    return shopService.getProduct(locale, id);
   }
 
   @RequestMapping(value = "/products.json", method = RequestMethod.GET)
diff --git a/src/main/resources/templates/product.html b/src/main/resources/templates/product.html
index 9b2d0bf..235f690 100644
--- a/src/main/resources/templates/product.html
+++ b/src/main/resources/templates/product.html
@@ -33,7 +33,7 @@
         <h2 th:text="${product.name}">Product Name</h2>
 
         <!-- Addition: traffic light food labeling system of the stock microservice -->
-        <img width="10%" class="icon" th:src="${'https://stock.pub.warehost.de/api/good/availablity/'+product.id}"/>
+        <img width="10%" class="icon" th:src="${'http://localhost:8081/api/good/availablity/'+product.id}"/>
 
         <p class="text-info text-uppercase" th:text="${product.price}">0,00 Euro</p>
         <p class="lead" th:text="${product.description}">Description.</p>
@@ -53,4 +53,4 @@ <h2 th:text="${product.name}">Product Name</h2>
   <script src="../static/js/bootstrap.min.js"
     th:src="@{/js/bootstrap.min.js}"></script>
 </body>
-</html>
\ No newline at end of file
+</html>