Change category field of publication entity to its id.

codiki-application/src/main/java/org/codiki/application/category/CategoryUseCases.java

@@ -27,6 +27,10 @@ public class CategoryUseCases {
         return categoryPort.findById(categoryId);
     }
 
+    public boolean existsById(UUID categoryId) {
+        return categoryPort.existsById(categoryId);
+    }
+
     public Category createCategory(String name, List<UUID> subCategoryIds) {
         if (isNull(name)) {
             throw new CategoryEditionException("name can not be empty");

codiki-application/src/main/java/org/codiki/application/publication/PublicationUseCases.java

@@ -62,10 +62,11 @@ public class PublicationUseCases {
         User authenticatedUser = userUseCases.getAuthenticatedUser()
             .orElseThrow(AuthenticationRequiredException::new);
 
-        Category category = categoryUseCases.findById(request.categoryId())
-            .orElseThrow(() -> new PublicationEditionException(
+        if (!categoryUseCases.existsById(request.categoryId())) {
+            throw new PublicationEditionException(
                 new CategoryNotFoundException(request.categoryId())
-            ));
+            );
+        }
 
         if (!pictureUseCases.existsById(request.illustrationId())) {
             throw new PublicationEditionException(
@@ -79,10 +80,10 @@ public class PublicationUseCases {
             .withTitle(request.title())
             .withText(request.text())
             .withDescription(request.description())
-            .withIllustrationId(request.illustrationId())
             .withCreationDate(ZonedDateTime.now(clock))
+            .withIllustrationId(request.illustrationId())
+            .withCategoryId(request.categoryId())
             .withAuthor(anAuthor().basedOn(authenticatedUser).build())
-            .withCategory(category)
             .build();
 
         publicationPort.save(newPublication);
@@ -127,12 +128,13 @@ public class PublicationUseCases {
         }
 
         if (!isNull(request.categoryId())) {
-            Category newCategory = categoryUseCases.findById(request.categoryId())
-                .orElseThrow(() -> new PublicationEditionException(
+            if (!categoryUseCases.existsById(request.categoryId())) {
+                throw new PublicationEditionException(
                     new CategoryNotFoundException(request.categoryId())
-                ));
+                );
+            }
 
-            publicationBuilder.withCategory(newCategory);
+            publicationBuilder.withCategoryId(request.categoryId());
         }
 
         Publication updatedPublication = publicationBuilder.build();

codiki-domain/src/main/java/org/codiki/domain/publication/model/Publication.java

@@ -3,9 +3,6 @@ package org.codiki.domain.publication.model;
 import java.time.ZonedDateTime;
 import java.util.UUID;
 
-import org.codiki.domain.category.model.Category;
-import org.codiki.domain.picture.model.Picture;
-
 public record Publication(
     UUID id,
     String key,
@@ -14,7 +11,7 @@ public record Publication(
     String description,
     ZonedDateTime creationDate,
     UUID illustrationId,
-    Author author,
-    Category category
+    UUID categoryId,
+    Author author
 ) {
 }

codiki-domain/src/main/java/org/codiki/domain/publication/model/builder/PublicationBuilder.java

@@ -13,10 +13,10 @@ public class PublicationBuilder {
     private String title;
     private String text;
     private String description;
-    private UUID illustrationId;
     private ZonedDateTime creationDate;
+    private UUID illustrationId;
+    private UUID categoryId;
     private Author author;
-    private Category category;
 
     private PublicationBuilder() {}
 
@@ -31,10 +31,10 @@ public class PublicationBuilder {
             .withTitle(publication.title())
             .withText(publication.text())
             .withDescription(publication.description())
-            .withIllustrationId(publication.illustrationId())
             .withCreationDate(publication.creationDate())
-            .withAuthor(publication.author())
-            .withCategory(publication.category());
+            .withIllustrationId(publication.illustrationId())
+            .withCategoryId(publication.categoryId())
+            .withAuthor(publication.author());
     }
 
     public PublicationBuilder withId(UUID id) {
@@ -62,23 +62,23 @@ public class PublicationBuilder {
         return this;
     }
 
-    public PublicationBuilder withIllustrationId(UUID illustrationId) {
-        this.illustrationId = illustrationId;
-        return this;
-    }
-
     public PublicationBuilder withCreationDate(ZonedDateTime creationDate) {
         this.creationDate = creationDate;
         return this;
     }
 
-    public PublicationBuilder withAuthor(Author author) {
-        this.author = author;
+    public PublicationBuilder withIllustrationId(UUID illustrationId) {
+        this.illustrationId = illustrationId;
         return this;
     }
 
-    public PublicationBuilder withCategory(Category category) {
-        this.category = category;
+    public PublicationBuilder withCategoryId(UUID categoryId) {
+        this.categoryId = categoryId;
+        return this;
+    }
+
+    public PublicationBuilder withAuthor(Author author) {
+        this.author = author;
         return this;
     }
 
@@ -91,8 +91,8 @@ public class PublicationBuilder {
             description,
             creationDate,
             illustrationId,
-            author,
-            category
+            categoryId,
+            author
         );
     }
 }

codiki-exposition/src/main/java/org/codiki/exposition/publication/model/PublicationDto.java

@@ -14,8 +14,8 @@ public record PublicationDto(
     String description,
     ZonedDateTime creationDate,
     UUID illustrationId,
-    AuthorDto author,
-    CategoryDto category
+    UUID categoryId,
+    AuthorDto author
 ) {
     public PublicationDto(Publication publication) {
         this(
@@ -26,8 +26,8 @@ public record PublicationDto(
             publication.description(),
             publication.creationDate(),
             publication.illustrationId(),
-            new AuthorDto(publication.author()),
-            new CategoryDto(publication.category())
+            publication.categoryId(),
+            new AuthorDto(publication.author())
         );
     }
 }

codiki-infrastructure/src/main/java/org/codiki/infrastructure/publication/model/PublicationEntity.java

@@ -39,12 +39,11 @@ public class PublicationEntity {
     private ZonedDateTime creationDate;
     @Column(nullable = false)
     private UUID illustrationId;
+    @Column(nullable = false)
+    private UUID categoryId;
     @ManyToOne(fetch = LAZY)
     @JoinColumn(name = "author_id")
     private AuthorEntity author;
-    @ManyToOne(fetch = LAZY)
-    @JoinColumn(name = "category_id")
-    private CategoryEntity category;
 
     public PublicationEntity(Publication publication) {
         this(
@@ -55,8 +54,8 @@ public class PublicationEntity {
             publication.description(),
             publication.creationDate(),
             publication.illustrationId(),
-            new AuthorEntity(publication.author()),
-            new CategoryEntity(publication.category())
+            publication.categoryId(),
+            new AuthorEntity(publication.author())
         );
     }
 
@@ -69,8 +68,8 @@ public class PublicationEntity {
             description,
             creationDate,
             illustrationId,
-            author.toDomain(),
-            category.toDomain()
+            categoryId,
+            author.toDomain()
         );
     }
 }

codiki-infrastructure/src/main/java/org/codiki/infrastructure/publication/repository/PublicationRepository.java

@@ -13,7 +13,6 @@ public interface PublicationRepository extends JpaRepository<PublicationEntity,
         SELECT p
         FROM PublicationEntity p
         JOIN FETCH p.author a
-        JOIN FETCH p.category c
         WHERE p.id = :publicationId
         """)
     Optional<PublicationEntity> findById(@Param("publicationId") UUID publicationId);