From 7a5a665441e57c5c5550d3ca829e7d315bd5bd73 Mon Sep 17 00:00:00 2001
From: Julian Horner <julianhorner@web.de>
Date: Sat, 4 Jul 2020 21:01:39 +0200
Subject: [PATCH] Finish chapter 9.4.1.3
---
.../de/dpunkt/myaktion/model/Account.java | 2 +-
.../de/dpunkt/myaktion/model/Campaign.java | 4 +-
.../de/dpunkt/myaktion/model/DateEntity.java | 14 +++
.../de/dpunkt/myaktion/model/Donation.java | 2 +-
.../model/EntityCreationListener.java | 13 ++
.../de/dpunkt/myaktion/model/Organizer.java | 2 +-
.../myaktion/resources/CampaignResource.java | 49 ++++++++
.../myaktion/services/CampaignService.java | 8 +-
.../services/CampaignServiceBean.java | 16 ++-
.../services/CriteriaCampaignServiceBean.java | 113 ------------------
src/main/webapp/WEB-INF/web.xml | 8 ++
11 files changed, 111 insertions(+), 120 deletions(-)
create mode 100644 src/main/java/de/dpunkt/myaktion/model/EntityCreationListener.java
create mode 100644 src/main/java/de/dpunkt/myaktion/resources/CampaignResource.java
delete mode 100644 src/main/java/de/dpunkt/myaktion/services/CriteriaCampaignServiceBean.java
diff --git a/src/main/java/de/dpunkt/myaktion/model/Account.java b/src/main/java/de/dpunkt/myaktion/model/Account.java
index 227dbcd..176bd5d 100644
--- a/src/main/java/de/dpunkt/myaktion/model/Account.java
+++ b/src/main/java/de/dpunkt/myaktion/model/Account.java
@@ -14,7 +14,7 @@ import javax.validation.constraints.Size;
* @author Julian
*/
@Embeddable
-public class Account {
+public class Account extends DateEntity {
//----------------------------------------------------------------------------------------------
@NotNull
diff --git a/src/main/java/de/dpunkt/myaktion/model/Campaign.java b/src/main/java/de/dpunkt/myaktion/model/Campaign.java
index 0621204..0b5aca6 100644
--- a/src/main/java/de/dpunkt/myaktion/model/Campaign.java
+++ b/src/main/java/de/dpunkt/myaktion/model/Campaign.java
@@ -14,6 +14,7 @@ import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Embedded;
import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
@@ -36,7 +37,8 @@ import javax.validation.constraints.Size;
@NamedQuery(name = Campaign.getAmountDonatedSoFar,
query = "SELECT SUM(d.amount) FROM Donation d WHERE d.campaign = :campaign") })
@Entity
-public class Campaign {
+@EntityListeners(EntityCreationListener.class)
+public class Campaign extends DateEntity {
public static final String findByOrganizer = "Campaign.findByOrganizer";
public static final String findAll = "Campaign.findAll";
diff --git a/src/main/java/de/dpunkt/myaktion/model/DateEntity.java b/src/main/java/de/dpunkt/myaktion/model/DateEntity.java
index ba775de..ba65637 100644
--- a/src/main/java/de/dpunkt/myaktion/model/DateEntity.java
+++ b/src/main/java/de/dpunkt/myaktion/model/DateEntity.java
@@ -5,10 +5,24 @@
package de.dpunkt.myaktion.model;
+import java.util.Date;
+
+import javax.persistence.EntityListeners;
+
/**
* @author Julian
*
*/
public class DateEntity {
+ private Date createdAt;
+
+ public Date getCreatedAt() {
+ return createdAt;
+ }
+
+ public void setCreatedAt(Date createdAt) {
+ this.createdAt = createdAt;
+ }
+
}
diff --git a/src/main/java/de/dpunkt/myaktion/model/Donation.java b/src/main/java/de/dpunkt/myaktion/model/Donation.java
index b7b2a5d..b235701 100644
--- a/src/main/java/de/dpunkt/myaktion/model/Donation.java
+++ b/src/main/java/de/dpunkt/myaktion/model/Donation.java
@@ -24,7 +24,7 @@ import javax.validation.constraints.Size;
@Entity
@NamedQueries({ @NamedQuery(name = Donation.findByStatus,
query = "SELECT d FROM Donation d WHERE d.status = :status") })
-public class Donation {
+public class Donation extends DateEntity {
//----------------------------------------------------------------------------------------------
public static final String findByStatus = "Donation.findByStatus";
diff --git a/src/main/java/de/dpunkt/myaktion/model/EntityCreationListener.java b/src/main/java/de/dpunkt/myaktion/model/EntityCreationListener.java
new file mode 100644
index 0000000..5b97fac
--- /dev/null
+++ b/src/main/java/de/dpunkt/myaktion/model/EntityCreationListener.java
@@ -0,0 +1,13 @@
+package de.dpunkt.myaktion.model;
+
+import java.util.Date;
+
+import javax.persistence.PrePersist;
+
+public class EntityCreationListener {
+ @PrePersist
+ void onPreUpdate(Object entity) {
+ DateEntity dateEntity = (DateEntity) entity;
+ dateEntity.setCreatedAt(new Date());
+ }
+}
diff --git a/src/main/java/de/dpunkt/myaktion/model/Organizer.java b/src/main/java/de/dpunkt/myaktion/model/Organizer.java
index 52cb17c..f55beb4 100644
--- a/src/main/java/de/dpunkt/myaktion/model/Organizer.java
+++ b/src/main/java/de/dpunkt/myaktion/model/Organizer.java
@@ -19,7 +19,7 @@ import javax.validation.constraints.Size;
@NamedQueries({ @NamedQuery(name = Organizer.findByEmail,
query = "SELECT o FROM Organizer o WHERE o.email = :email") })
@Entity
-public class Organizer {
+public class Organizer extends DateEntity {
public static final String findByEmail = "Organizer.findByEmail";
@NotNull
diff --git a/src/main/java/de/dpunkt/myaktion/resources/CampaignResource.java b/src/main/java/de/dpunkt/myaktion/resources/CampaignResource.java
new file mode 100644
index 0000000..93be80b
--- /dev/null
+++ b/src/main/java/de/dpunkt/myaktion/resources/CampaignResource.java
@@ -0,0 +1,49 @@
+package de.dpunkt.myaktion.resources;
+
+import java.util.List;
+
+import javax.inject.Inject;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+
+import de.dpunkt.myaktion.model.Campaign;
+import de.dpunkt.myaktion.services.CampaignService;
+
+@Path("/organizer/campaign")
+public class CampaignResource {
+ @Inject
+ private CampaignService campaignService;
+
+ @GET
+ @Path("/list")
+ @Produces(MediaType.APPLICATION_JSON)
+ public List<Campaign> getAllCampaigns() {
+ List<Campaign> allCampaigns = campaignService.getAllCampaigns();
+
+ allCampaigns.forEach(campaign -> {
+ campaign.setDonations(null);
+ campaign.setOrganizer(null);
+ });
+
+ return allCampaigns;
+ }
+
+ @DELETE
+ @Path("/{campaignId}")
+ public void deleteAktion(@PathParam(value = "campaignId") Long campaignId) {
+ campaignService.deleteCampaign(campaignId);
+ }
+
+ @POST
+ @Consumes(MediaType.APPLICATION_JSON)
+ @Produces(MediaType.APPLICATION_JSON)
+ public Campaign addCampaign(Campaign campaign) {
+ return campaignService.addCampaign(campaign);
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/de/dpunkt/myaktion/services/CampaignService.java b/src/main/java/de/dpunkt/myaktion/services/CampaignService.java
index 2b3b3b8..2b7e2a0 100644
--- a/src/main/java/de/dpunkt/myaktion/services/CampaignService.java
+++ b/src/main/java/de/dpunkt/myaktion/services/CampaignService.java
@@ -17,11 +17,15 @@ public interface CampaignService {
List<Campaign> getAllCampaigns();
- void addCampaign(Campaign campaign);
-
+ Campaign addCampaign(Campaign campaign);
+
void deleteCampaign(Campaign campaign);
+ void deleteCampaign(Long campaignId);
+
void updateCampaign(Campaign campaign);
+ Campaign getCampaign(Long campaignId);
+
//----------------------------------------------------------------------------------------------
}
\ No newline at end of file
diff --git a/src/main/java/de/dpunkt/myaktion/services/CampaignServiceBean.java b/src/main/java/de/dpunkt/myaktion/services/CampaignServiceBean.java
index 06ffe96..e48beb3 100644
--- a/src/main/java/de/dpunkt/myaktion/services/CampaignServiceBean.java
+++ b/src/main/java/de/dpunkt/myaktion/services/CampaignServiceBean.java
@@ -60,11 +60,14 @@ public class CampaignServiceBean implements CampaignService {
// ----------------------------------------------------------------------------------------------
@Override
- public void addCampaign(Campaign campaign) {
+ public Campaign addCampaign(Campaign campaign) {
Organizer organizer = getLoggedinOrganizer();
campaign.setOrganizer(organizer);
entityManager.persist(campaign);
+
+ return campaign;
}
+
// ----------------------------------------------------------------------------------------------
@Override
@@ -80,6 +83,17 @@ public class CampaignServiceBean implements CampaignService {
entityManager.remove(managedCampaign);
}
+ public void deleteCampaign(Long campaignId) {
+ Campaign managedCampaign = getCampaign(campaignId);
+ entityManager.remove(managedCampaign);
+ }
+
+ public Campaign getCampaign(Long campaignId) {
+ Campaign managedCampaign = entityManager.find(Campaign.class, campaignId);
+
+ return managedCampaign;
+ }
+
// ----------------------------------------------------------------------------------------------
private BigDecimal getAmountDonatedSoFar(Campaign campaign) {
diff --git a/src/main/java/de/dpunkt/myaktion/services/CriteriaCampaignServiceBean.java b/src/main/java/de/dpunkt/myaktion/services/CriteriaCampaignServiceBean.java
deleted file mode 100644
index a94cc36..0000000
--- a/src/main/java/de/dpunkt/myaktion/services/CriteriaCampaignServiceBean.java
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright 2019 (C) by Julian Horner.
- * All Rights Reserved.
- */
-
-package de.dpunkt.myaktion.services;
-
-import java.math.BigDecimal;
-import java.util.List;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import javax.ejb.Stateless;
-import javax.enterprise.inject.Alternative;
-import javax.inject.Inject;
-import javax.persistence.EntityManager;
-import javax.persistence.TypedQuery;
-import javax.persistence.criteria.CriteriaBuilder;
-import javax.persistence.criteria.CriteriaQuery;
-import javax.persistence.criteria.ParameterExpression;
-import javax.persistence.criteria.Root;
-
-import de.dpunkt.myaktion.model.Campaign;
-import de.dpunkt.myaktion.model.Donation;
-import de.dpunkt.myaktion.util.Log.TecLog;
-
-/**
- * @author Julian
- */
-@Stateless
-@Alternative
-public class CriteriaCampaignServiceBean implements CampaignService {
- //----------------------------------------------------------------------------------------------
-
- @Inject
- @TecLog
- private Logger logger;
-
- @Inject
- EntityManager entityManager;
-
- //----------------------------------------------------------------------------------------------
-
- @Override
- public List<Campaign> getAllCampaigns() {
- CriteriaBuilder cb = entityManager.getCriteriaBuilder();
-
- CriteriaQuery<Campaign> criteriaQuery = cb.createQuery(Campaign.class);
-
- Root<Campaign> campaignRoot = criteriaQuery.from(Campaign.class);
- criteriaQuery.select(campaignRoot).orderBy(cb.asc(campaignRoot.get("name")));
-
- TypedQuery<Campaign> query = entityManager.createQuery(criteriaQuery);
- List<Campaign> campaigns = query.getResultList();
-
-// campaigns.forEach(campaign ->
-// campaign.setAmountDonatedSoFar(new BigDecimal(getAmountDonatedSoFar(campaign))));
-
- for (Campaign campaign : campaigns) {
- campaign.setAmountDonatedSoFar(new BigDecimal(getAmountDonatedSoFar(campaign)));
- }
-
- logger.log(Level.INFO, "Loaded all campaign entities with criteria query");
-
- return campaigns;
- }
-
- //----------------------------------------------------------------------------------------------
-
- @Override
- public void addCampaign(Campaign campaign) {
- entityManager.persist(campaign);
- }
-
- //----------------------------------------------------------------------------------------------
-
- @Override
- public void updateCampaign(Campaign campaign) {
- entityManager.merge(campaign);
- }
-
- //----------------------------------------------------------------------------------------------
-
- @Override
- public void deleteCampaign(Campaign campaign) {
- Campaign managedCampaign = entityManager.find(Campaign.class, campaign.getId());
- entityManager.remove(managedCampaign);
- }
-
- //----------------------------------------------------------------------------------------------
-
- private Double getAmountDonatedSoFar(Campaign campaign) {
- CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
- CriteriaQuery<Double> criteriaQuery = criteriaBuilder.createQuery(Double.class);
- Root<Donation> donation = criteriaQuery.from(Donation.class);
-
- ParameterExpression<Campaign> campaignParameter = criteriaBuilder.parameter(Campaign.class);
-
- criteriaQuery.select(criteriaBuilder.sumAsDouble(donation.get("amount")))
- .where(criteriaBuilder.equal(donation.get("campaign"), campaignParameter));
-
- TypedQuery<Double> query = entityManager.createQuery(criteriaQuery);
- query.setParameter(campaignParameter, campaign);
-
- Double result = query.getSingleResult();
- if (result == null)
- result = 0d;
-
- return result;
- }
-
- //----------------------------------------------------------------------------------------------
-}
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index e8885ab..40a01ac 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -16,6 +16,10 @@ http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
<web-resource-name>organizer</web-resource-name>
<url-pattern>/organizer/*</url-pattern>
</web-resource-collection>
+ <web-resource-collection>
+ <web-resource-name>organizer access via REST</web-resource-name>
+ <url-pattern>/rest/organizer/*</url-pattern>
+ </web-resource-collection>
<auth-constraint>
<role-name>Organizer</role-name>
</auth-constraint>
@@ -26,4 +30,8 @@ http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
<security-role>
<role-name>Organizer</role-name>
</security-role>
+ <servlet-mapping>
+ <servlet-name>javax.ws.rs.core.Application</servlet-name>
+ <url-pattern>/rest/*</url-pattern>
+ </servlet-mapping>
</web-app>
\ No newline at end of file
--
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