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implement personalized suggestions

This commit is contained in:
Hannes Huber 2020-05-08 11:44:30 +02:00 committed by localhorst
parent 82dacef4c0
commit bb4aa79243
3 changed files with 13 additions and 11 deletions
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10
prototype/src/main/java/org/hso/ecommerce/controller/shop/ShopArticleController.java
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@ -74,11 +74,11 @@ public class ShopArticleController {
Article article = articleRepository.findArticleById(id);
// if (!article.isPresent()) {
// request.setAttribute("error", "Der Artikel wurde nicht gefunden.");
// response.setStatus(HttpServletResponse.SC_NOT_FOUND);
// return "error/404";
// }
if (article == null) {
request.setAttribute("error", "Der Artikel wurde nicht gefunden.");
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
return "error/404";
}
if (setAmount != null && setAmount) {
shoppingCart.setArticleCount(article, quantity);

6
prototype/src/main/java/org/hso/ecommerce/controller/shop/ShopIndexController.java
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@ -2,6 +2,7 @@ package org.hso.ecommerce.controller.shop;
import org.hso.ecommerce.action.shop.GetRandomArticlesAction;
import org.hso.ecommerce.entities.shop.Article;
import org.hso.ecommerce.entities.user.User;
import org.hso.ecommerce.repos.shop.ArticleRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
@ -31,7 +32,7 @@ public class ShopIndexController {
List<Article> commercialArticles = GetRandomArticlesAction.getRandomArticles(8, articleRepository.getAdvertisedArticles());
model.addAttribute("commercialArticles", commercialArticles);
//check if logged in
boolean isLoggedIn = false;
boolean hasOrders = false;
if (session != null && session.getAttribute("id") != null) {
@ -40,7 +41,8 @@ public class ShopIndexController {
}
if (isLoggedIn) {
List<Article> suggestedArticles = articleRepository.getLastOrderedArticles("4");
List<Article> suggestedArticles = articleRepository.getLastOrderedArticles();
suggestedArticles = suggestedArticles.size() > 3 ? suggestedArticles.subList(0,3) : suggestedArticles; //only latest 4 articles
if (suggestedArticles.size() > 0) {
model.addAttribute("suggestedArticles", suggestedArticles);
hasOrders = true;

8
prototype/src/main/java/org/hso/ecommerce/repos/shop/ArticleRepository.java
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@ -13,16 +13,16 @@ import java.util.Optional;
@Repository
public interface ArticleRepository extends JpaRepository<Article, Long> {
@Query("Select a FROM Article a where a.id = :articleId")
@Query("SELECT a FROM Article a WHERE a.id = :articleId")
Article findArticleById(@Param("articleId") long articleId);
@Query("SELECT a from Article a join a.related ao where ao.should_be_advertised = true")
@Query("SELECT a FROM Article a JOIN a.related ao WHERE ao.should_be_advertised = true")
List<Article> getAdvertisedArticles();
@Query("SELECT c FROM User c WHERE c.email = :quantity")
List<Article> getLastOrderedArticles(@Param("quantity") String quantity);
@Query("SELECT a FROM CustomerOrderPosition cop JOIN cop.order co JOIN co.customer c JOIN cop.article a ORDER BY co.id DESC")
List<Article> getLastOrderedArticles();
}