Implementation of getting publication by its id.

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

@@ -3,6 +3,7 @@ package org.codiki.application.publication;
 import static java.util.Objects.isNull;
 import java.time.Clock;
 import java.time.ZonedDateTime;
+import java.util.Optional;
 import java.util.UUID;
 
 import static org.codiki.domain.publication.model.builder.AuthorBuilder.anAuthor;
@@ -153,4 +154,8 @@ public class PublicationUseCases {
 
         publicationPort.delete(publicationToDelete);
     }
+
+    public Optional<Publication> findById(UUID publicationId) {
+        return publicationPort.findById(publicationId);
+    }
 }

codiki-exposition/src/main/java/org/codiki/exposition/configuration/security/SecurityConfiguration.java

@@ -46,6 +46,7 @@ public class SecurityConfiguration {
                     "/api/health/check",
                     "/api/categories",
                     "/api/pictures/{pictureId}",
+                    "/api/publications/{publicationId}",
                     "/error"
                 ).permitAll()
                 .requestMatchers(

codiki-exposition/src/main/java/org/codiki/exposition/publication/PublicationController.java

@@ -5,11 +5,13 @@ import java.util.UUID;
 import static org.springframework.http.HttpStatus.CREATED;
 import static org.springframework.http.HttpStatus.NO_CONTENT;
 import org.codiki.application.publication.PublicationUseCases;
+import org.codiki.domain.publication.exception.PublicationNotFoundException;
 import org.codiki.domain.publication.model.Publication;
 import org.codiki.domain.publication.model.PublicationEditionRequest;
+import org.codiki.exposition.publication.model.PublicationDto;
 import org.codiki.exposition.publication.model.PublicationEditionRequestDto;
-import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
@@ -27,6 +29,13 @@ public class PublicationController {
         this.publicationUseCases = publicationUseCases;
     }
 
+    @GetMapping("/{publicationId}")
+    public PublicationDto getById(@PathVariable("publicationId") UUID publicationId) {
+        return publicationUseCases.findById(publicationId)
+            .map(PublicationDto::new)
+            .orElseThrow(() -> new PublicationNotFoundException(publicationId));
+    }
+
     @PostMapping
     @ResponseStatus(CREATED)
     public PublicationDto createPublication(@RequestBody PublicationEditionRequestDto requestDto) {

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

@@ -1,11 +1,10 @@
-package org.codiki.exposition.publication;
+package org.codiki.exposition.publication.model;
 
 import java.time.ZonedDateTime;
 import java.util.UUID;
 
 import org.codiki.domain.publication.model.Publication;
 import org.codiki.exposition.category.model.CategoryDto;
-import org.codiki.exposition.publication.model.AuthorDto;
 
 public record PublicationDto(
     UUID id,

rest-client-collection/Codiki/environments/localhost.bru

@@ -1,6 +1,6 @@
 vars {
   url: http://localhost:8080
-  publicationId: fce1de27-11c6-4deb-a248-b63288c00037
+  publicationId: e23831a6-9cc0-4f3d-9efa-7a1cae191cb1
   bearerToken: eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiI1YWQ0NjJiOC04ZjllLTRhMjYtYmI4Ni1jNzRmZWY1ZDExYjYiLCJleHAiOjE3MTA0MDc5Mjd9.QdanZXjfLztIVJU-pRS3gZxnC4GIycyhmlCkhYSPchiXpeNzruw_GY3fH1_qshC_AjOCSqGmCq3X1S_zVFdodQ
   categoryId: 172fa901-3f4b-4540-92f3-1c15820e8ec9
   pictureId: 65b660b7-66bb-4e4a-a62c-fd0ca101f972