Implementation of getting publication by its id.

codiki-application/src/main/java/org/codiki/application/picture/PictureUseCases.java

@@ -1,6 +1,7 @@
 package org.codiki.application.picture;
 
 import java.io.File;
+import java.util.Optional;
 import java.util.UUID;
 
 import static org.codiki.domain.picture.model.builder.PictureBuilder.aPicture;
@@ -30,4 +31,8 @@ public class PictureUseCases {
     public void deletePicture(UUID pictureId) {
         picturePort.deleteById(pictureId);
     }
+
+    public Optional<Picture> findById(UUID pictureId) {
+        return picturePort.findById(pictureId);
+    }
 }

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

@@ -19,8 +19,8 @@ public class PublicationCreationRequestValidator {
             throw new PublicationEditionException("description cannot be null");
         }
 
-        if (request.image() == null) {
-            throw new PublicationEditionException("image cannot be null");
+        if (request.pictureId() == null) {
+            throw new PublicationEditionException("pictureId cannot be null");
         }
     }
 }

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

@@ -13,7 +13,7 @@ public class PublicationUpdateRequestValidator {
             isNull(request.title()) &&
             isNull(request.text()) &&
             isNull(request.description()) &&
-            isNull(request.image()) &&
+            isNull(request.pictureId()) &&
             isNull(request.categoryId())
         ) {
             throw new PublicationEditionException("no any field is filled");

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

@@ -3,15 +3,19 @@ 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;
 import static org.codiki.domain.publication.model.builder.PublicationBuilder.aPublication;
 import org.codiki.application.category.CategoryUseCases;
+import org.codiki.application.picture.PictureUseCases;
 import org.codiki.application.user.UserUseCases;
 import org.codiki.domain.category.exception.CategoryNotFoundException;
 import org.codiki.domain.category.model.Category;
 import org.codiki.domain.exception.AuthenticationRequiredException;
+import org.codiki.domain.picture.exception.PictureNotFoundException;
+import org.codiki.domain.picture.model.Picture;
 import org.codiki.domain.publication.exception.PublicationEditionException;
 import org.codiki.domain.publication.exception.PublicationNotFoundException;
 import org.codiki.domain.publication.exception.PublicationUpdateForbiddenException;
@@ -25,19 +29,22 @@ import org.springframework.stereotype.Service;
 @Service
 public class PublicationUseCases {
     private final CategoryUseCases categoryUseCases;
+    private final Clock clock;
     private final KeyGenerator keyGenerator;
+    private final PictureUseCases pictureUseCases;
     private final PublicationPort publicationPort;
     private final PublicationCreationRequestValidator publicationCreationRequestValidator;
     private final PublicationUpdateRequestValidator publicationUpdateRequestValidator;
     private final UserUseCases userUseCases;
-    private final Clock clock;
 
     public PublicationUseCases(
         CategoryUseCases categoryUseCases,
         Clock clock,
         KeyGenerator keyGenerator,
+        PictureUseCases pictureUseCases,
         PublicationCreationRequestValidator publicationCreationRequestValidator,
-        PublicationPort publicationPort, PublicationUpdateRequestValidator publicationUpdateRequestValidator,
+        PublicationPort publicationPort,
+        PublicationUpdateRequestValidator publicationUpdateRequestValidator,
         UserUseCases userUseCases
     ) {
         this.categoryUseCases = categoryUseCases;
@@ -47,6 +54,7 @@ public class PublicationUseCases {
         this.publicationPort = publicationPort;
         this.publicationUpdateRequestValidator = publicationUpdateRequestValidator;
         this.userUseCases = userUseCases;
+        this.pictureUseCases = pictureUseCases;
     }
 
     public Publication createPublication(PublicationEditionRequest request) {
@@ -60,13 +68,18 @@ public class PublicationUseCases {
                 new CategoryNotFoundException(request.categoryId())
             ));
 
+        Picture picture = pictureUseCases.findById(request.pictureId())
+            .orElseThrow(() -> new PublicationEditionException(
+                new PictureNotFoundException(request.pictureId())
+            ));
+
         Publication newPublication = aPublication()
             .withId(UUID.randomUUID())
             .withKey(keyGenerator.generateKey())
             .withTitle(request.title())
             .withText(request.text())
             .withDescription(request.description())
-            .withImage(request.image())
+            .withPicture(picture)
             .withCreationDate(ZonedDateTime.now(clock))
             .withAuthor(anAuthor().basedOn(authenticatedUser).build())
             .withCategory(category)
@@ -104,8 +117,12 @@ public class PublicationUseCases {
             publicationBuilder.withDescription(request.description());
         }
 
-        if (!isNull(request.image())) {
-            publicationBuilder.withImage(request.image());
+        if (!isNull(request.pictureId())) {
+            Picture picture = pictureUseCases.findById(request.pictureId())
+                .orElseThrow(() -> new PublicationEditionException(
+                    new PictureNotFoundException(request.pictureId())
+                ));
+            publicationBuilder.withPicture(picture);
         }
 
         if (!isNull(request.categoryId())) {
@@ -137,4 +154,8 @@ public class PublicationUseCases {
 
         publicationPort.delete(publicationToDelete);
     }
+
+    public Optional<Publication> findById(UUID publicationId) {
+        return publicationPort.findById(publicationId);
+    }
 }

codiki-domain/src/main/java/org/codiki/domain/picture/exception/PictureNotFoundException.java

@@ -0,0 +1,11 @@
+package org.codiki.domain.picture.exception;
+
+import java.util.UUID;
+
+import org.codiki.domain.exception.FunctionnalException;
+
+public class PictureNotFoundException extends FunctionnalException {
+    public PictureNotFoundException(UUID pictureId) {
+        super(String.format("Picture with id %s is not found.", pictureId));
+    }
+}

codiki-domain/src/main/java/org/codiki/domain/picture/exception/PictureUploadException.java

@@ -0,0 +1,9 @@
+package org.codiki.domain.picture.exception;
+
+import org.codiki.domain.exception.FunctionnalException;
+
+public class PictureUploadException extends FunctionnalException {
+    public PictureUploadException(String message) {
+        super(message);
+    }
+}

codiki-domain/src/main/java/org/codiki/domain/publication/exception/PublicationEditionException.java

@@ -8,6 +8,6 @@ public class PublicationEditionException extends FunctionnalException {
     }
 
     public PublicationEditionException(FunctionnalException cause) {
-        super("Impossible to edit a publication due to a root cause.", cause);
+        super(String.format("Impossible to edit a publication due to a root cause: %s.", cause.getMessage()));
     }
 }

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

@@ -4,6 +4,7 @@ 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,
@@ -11,8 +12,8 @@ public record Publication(
     String title,
     String text,
     String description,
-    String image,
     ZonedDateTime creationDate,
+    Picture picture,
     Author author,
     Category category
 ) {

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

@@ -6,6 +6,6 @@ public record PublicationEditionRequest(
     String title,
     String text,
     String description,
-    String image,
+    UUID pictureId,
     UUID categoryId
 ) {}

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

@@ -20,7 +20,7 @@ public class AuthorBuilder {
         return new AuthorBuilder()
             .withId(user.id())
 //            .withName(user.name())
-//            .withImage(user.image())
+//            .withImage(user.pictureId())
         ;
     }
 

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

@@ -3,6 +3,7 @@ package org.codiki.domain.publication.model.builder;
 import java.time.ZonedDateTime;
 import java.util.UUID;
 
+import org.codiki.domain.picture.model.Picture;
 import org.codiki.domain.publication.model.Author;
 import org.codiki.domain.category.model.Category;
 import org.codiki.domain.publication.model.Publication;
@@ -13,7 +14,7 @@ public class PublicationBuilder {
     private String title;
     private String text;
     private String description;
-    private String image;
+    private Picture picture;
     private ZonedDateTime creationDate;
     private Author author;
     private Category category;
@@ -49,8 +50,8 @@ public class PublicationBuilder {
         return this;
     }
 
-    public PublicationBuilder withImage(String image) {
-        this.image = image;
+    public PublicationBuilder withPicture(Picture picture) {
+        this.picture = picture;
         return this;
     }
 
@@ -76,8 +77,7 @@ public class PublicationBuilder {
             title,
             text,
             description,
-            image,
-            creationDate,
+            creationDate, picture,
             author,
             category
         );
@@ -90,7 +90,7 @@ public class PublicationBuilder {
             .withTitle(publication.title())
             .withText(publication.text())
             .withDescription(publication.description())
-            .withImage(publication.image())
+            .withPicture(publication.picture())
             .withCreationDate(publication.creationDate())
             .withAuthor(publication.author())
             .withCategory(publication.category());

codiki-exposition/pom.xml

@@ -29,6 +29,10 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.tika</groupId>
+            <artifactId>tika-core</artifactId>
+        </dependency>
 <!--        <dependency>-->
 <!--            <groupId>org.springframework.boot</groupId>-->
 <!--            <artifactId>spring-boot-starter-data-jpa</artifactId>-->

codiki-exposition/src/main/java/org/codiki/exposition/configuration/GlobalControllerExceptionHandler.java

@@ -11,73 +11,57 @@ import org.codiki.domain.exception.LoginFailureException;
 import org.codiki.domain.exception.RefreshTokenDoesNotExistException;
 import org.codiki.domain.exception.RefreshTokenExpiredException;
 import org.codiki.domain.exception.UserDoesNotExistException;
+import org.codiki.domain.picture.exception.PictureNotFoundException;
+import org.codiki.domain.picture.exception.PictureUploadException;
 import org.codiki.domain.publication.exception.PublicationEditionException;
 import org.codiki.domain.publication.exception.PublicationNotFoundException;
 import org.codiki.domain.publication.exception.PublicationUpdateForbiddenException;
-import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ProblemDetail;
 import org.springframework.web.bind.annotation.ExceptionHandler;
-import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
-@ControllerAdvice
-public class GlobalControllerExceptionHandler {
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(LoginFailureException.class)
-    public void handleLoginFailureException() {
-        // Do nothing.
+@RestControllerAdvice
+public class GlobalControllerExceptionHandler extends ResponseEntityExceptionHandler {
+    @ExceptionHandler({
+        CategoryDeletionException.class,
+        CategoryEditionException.class,
+        CategoryNotFoundException.class,
+        LoginFailureException.class,
+        PublicationEditionException.class,
+        PictureUploadException.class
+    })
+    public ProblemDetail handleBadRequestExceptions(Exception exception) {
+        return buildProblemDetail(BAD_REQUEST, exception);
     }
 
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(UserDoesNotExistException.class)
-    public void handleUserDoesNotExistException() {
-        // Do nothing.
+    @ExceptionHandler({
+        UserDoesNotExistException.class,
+        RefreshTokenDoesNotExistException.class,
+        PublicationNotFoundException.class,
+        PictureNotFoundException.class
+    })
+    public ProblemDetail handleNotFoundExceptions(Exception exception) {
+        return buildProblemDetail(NOT_FOUND, exception);
     }
 
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(RefreshTokenDoesNotExistException.class)
-    public void handleRefreshTokenDoesNotExistException() {
-        // Do nothing.
+    @ExceptionHandler({
+        RefreshTokenExpiredException.class
+    })
+    public ProblemDetail handleUnauthorizedExceptions(Exception exception) {
+        return buildProblemDetail(UNAUTHORIZED, exception);
     }
 
-    @ResponseStatus(UNAUTHORIZED)
-    @ExceptionHandler(RefreshTokenExpiredException.class)
-    public void handleRefreshTokenExpiredException() {
-        // Do nothing.
+    @ExceptionHandler({
+        PublicationUpdateForbiddenException.class
+    })
+    public ProblemDetail handleForbiddenExceptions(Exception exception) {
+        return buildProblemDetail(FORBIDDEN, exception);
     }
 
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(CategoryNotFoundException.class)
-    public void handleCategoryNotFoundException() {
-        // Do nothing.
+    private static ProblemDetail buildProblemDetail(HttpStatus forbidden, Exception exception) {
+        return ProblemDetail.forStatusAndDetail(forbidden, exception.getMessage());
     }
 
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(PublicationEditionException.class)
-    public void handlePublicationEditionException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(NOT_FOUND)
-    @ExceptionHandler(PublicationNotFoundException.class)
-    public void handlePublicationNotFoundException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(FORBIDDEN)
-    @ExceptionHandler(PublicationUpdateForbiddenException.class)
-    public void handlePublicationUpdateForbiddenException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(CategoryEditionException.class)
-    public void handleCategoryEditionException() {
-        // Do nothing.
-    }
-
-    @ResponseStatus(BAD_REQUEST)
-    @ExceptionHandler(CategoryDeletionException.class)
-    public void handleCategoryDeletionException() {
-        // Do nothing.
-    }
 }

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

@@ -6,6 +6,7 @@ import static org.springframework.http.HttpMethod.OPTIONS;
 import static org.springframework.http.HttpMethod.POST;
 import static org.springframework.http.HttpMethod.PUT;
 import static org.springframework.security.config.http.SessionCreationPolicy.STATELESS;
+import org.codiki.domain.user.model.UserRole;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.config.Customizer;
@@ -44,6 +45,8 @@ public class SecurityConfiguration {
                     GET,
                     "/api/health/check",
                     "/api/categories",
+                    "/api/pictures/{pictureId}",
+                    "/api/publications/{publicationId}",
                     "/error"
                 ).permitAll()
                 .requestMatchers(
@@ -54,15 +57,15 @@ public class SecurityConfiguration {
                 .requestMatchers(
                     POST,
                     "/api/categories"
-                ).hasRole("ADMIN")
+                ).hasRole(UserRole.ADMIN.name())
                 .requestMatchers(
                     PUT,
                     "/api/categories/{categoryId}"
-                ).hasRole("ADMIN")
+                ).hasRole(UserRole.ADMIN.name())
                 .requestMatchers(
                     DELETE,
                     "/api/categories/{categoryId}"
-                ).hasRole("ADMIN")
+                ).hasRole(UserRole.ADMIN.name())
                 .requestMatchers(OPTIONS).permitAll()
                 .anyRequest().authenticated()
             );

codiki-exposition/src/main/java/org/codiki/exposition/picture/MultipartFileConverter.java

@@ -1,23 +1,44 @@
 package org.codiki.exposition.picture;
 
+import static java.util.Objects.isNull;
 import java.io.File;
 import java.io.IOException;
+import java.util.List;
 import java.util.UUID;
 
+import org.apache.tika.mime.MimeType;
+import org.apache.tika.mime.MimeTypeException;
+import org.apache.tika.mime.MimeTypes;
+import org.codiki.domain.picture.exception.PictureUploadException;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 import org.springframework.web.multipart.MultipartFile;
 
 @Component
 public class MultipartFileConverter {
-    private final String tempPicturesForlderPath;
+    private static final List<MimeType> ALLOWED_MIME_TYPES;
 
-    public MultipartFileConverter(@Value("${application.pictures.temp-path}") String tempPicturesForlderPath) {
-        this.tempPicturesForlderPath = tempPicturesForlderPath;
+    static {
+        MimeTypes mimeTypes = MimeTypes.getDefaultMimeTypes();
+
+        try {
+            ALLOWED_MIME_TYPES = List.of(
+                mimeTypes.forName("image/png"),
+                mimeTypes.forName("image/jpeg")
+            );
+        } catch (MimeTypeException exception) {
+            throw new RuntimeException("An error occurred while loading allowed mime types.", exception);
+        }
+    }
+
+    private final String tempPicturesFolderPath;
+
+    public MultipartFileConverter(@Value("${application.pictures.temp-path}") String tempPicturesFolderPath) {
+        this.tempPicturesFolderPath = tempPicturesFolderPath;
     }
 
     public File transformToFile(MultipartFile fileContent) {
-        File pictureFile = new File(String.format("%s/%s", tempPicturesForlderPath, UUID.randomUUID()));
+        File pictureFile = new File(buildPicturePath(fileContent));
         try {
             fileContent.transferTo(pictureFile);
         } catch (IOException e) {
@@ -25,4 +46,34 @@ public class MultipartFileConverter {
         }
         return pictureFile;
     }
+
+    private String buildPicturePath(MultipartFile fileContent) {
+        MimeType fileContentType = extractMimeType(fileContent);
+        return String.format(
+            "%s/%s%s",
+            tempPicturesFolderPath,
+            UUID.randomUUID(),
+            fileContentType.getExtension()
+        );
+    }
+
+    private MimeType extractMimeType(MultipartFile fileContent) {
+        MimeType result = null;
+        try {
+            result = MimeTypes.getDefaultMimeTypes()
+                .forName(fileContent.getContentType());
+        } catch (MimeTypeException exception) {
+            // Do nothing
+        }
+
+        if (isNull(result) || !isAllowedMimeType(result)) {
+            throw new PictureUploadException("Unable to upload the picture because its format is incorrect.");
+        }
+
+        return result;
+    }
+
+    private boolean isAllowedMimeType(MimeType mimeType) {
+        return ALLOWED_MIME_TYPES.contains(mimeType);
+    }
 }

codiki-exposition/src/main/java/org/codiki/exposition/picture/PictureController.java

@@ -3,9 +3,14 @@ package org.codiki.exposition.picture;
 import java.io.File;
 import java.util.UUID;
 
+import static org.springframework.http.MediaType.APPLICATION_OCTET_STREAM_VALUE;
 import static org.springframework.http.MediaType.MULTIPART_FORM_DATA_VALUE;
 import org.codiki.application.picture.PictureUseCases;
+import org.codiki.domain.picture.exception.PictureNotFoundException;
 import org.codiki.domain.picture.model.Picture;
+import org.springframework.core.io.FileSystemResource;
+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.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -32,4 +37,11 @@ public class PictureController {
         Picture newPicture = pictureUseCases.createPicture(pictureFile);
         return newPicture.id();
     }
+
+    @GetMapping(value = "/{pictureId}", produces = APPLICATION_OCTET_STREAM_VALUE)
+    public FileSystemResource loadPicture(@PathVariable("pictureId") UUID pictureId) {
+        Picture picture = pictureUseCases.findById(pictureId)
+            .orElseThrow(() -> new PictureNotFoundException(pictureId));
+        return new FileSystemResource(picture.contentFile());
+    }
 }

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,
@@ -13,8 +12,8 @@ public record PublicationDto(
     String title,
     String text,
     String description,
-    String image,
     ZonedDateTime creationDate,
+    UUID picture,
     AuthorDto author,
     CategoryDto category
 ) {
@@ -25,8 +24,8 @@ public record PublicationDto(
             publication.title(),
             publication.text(),
             publication.description(),
-            publication.image(),
             publication.creationDate(),
+            publication.picture().id(),
             new AuthorDto(publication.author()),
             new CategoryDto(publication.category())
         );

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

@@ -8,10 +8,10 @@ public record PublicationEditionRequestDto(
     String title,
     String text,
     String description,
-    String image,
+    UUID pictureId,
     UUID categoryId
 ) {
     public PublicationEditionRequest toDomain() {
-        return new PublicationEditionRequest(title, text, description, image, categoryId);
+        return new PublicationEditionRequest(title, text, description, pictureId, categoryId);
     }
 }

codiki-infrastructure/src/main/java/org/codiki/infrastructure/picture/PictureJpaAdapter.java

@@ -4,6 +4,8 @@ import java.io.File;
 import java.util.Optional;
 import java.util.UUID;
 
+import static org.codiki.domain.picture.model.builder.PictureBuilder.aPicture;
+import org.codiki.domain.picture.exception.PictureNotFoundException;
 import org.codiki.domain.picture.exception.PictureStorageErrorException;
 import org.codiki.domain.picture.model.Picture;
 import org.codiki.domain.picture.port.PicturePort;
@@ -35,7 +37,17 @@ public class PictureJpaAdapter implements PicturePort {
     @Override
     public Optional<Picture> findById(UUID pictureId) {
         return repository.findById(pictureId)
-            .map(PictureEntity::toDomain);
+            .map(PictureEntity::toDomain)
+            .map(picture -> {
+                File pictureFile = new File(String.format("%s/%s", pictureFolderPath, pictureId));
+                if (!pictureFile.exists()) {
+                    throw new PictureNotFoundException(pictureId);
+                }
+                return aPicture()
+                    .basedOn(picture)
+                    .withContentFile(pictureFile)
+                    .build();
+            });
     }
 
     @Override

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

@@ -24,13 +24,13 @@ public class AuthorEntity {
     private UUID id;
     @Column(nullable = false)
     private String name;
-//    private String image;
+//    private String pictureId;
 
     public AuthorEntity(Author author) {
         this(
             author.id(),
             author.name()
-//            author.image()
+//            author.pictureId()
         );
     }
 

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

@@ -5,6 +5,7 @@ import java.util.UUID;
 
 import org.codiki.domain.publication.model.Publication;
 import org.codiki.infrastructure.category.model.CategoryEntity;
+import org.codiki.infrastructure.picture.model.PictureEntity;
 
 import static jakarta.persistence.FetchType.LAZY;
 import jakarta.persistence.Column;
@@ -36,10 +37,11 @@ public class PublicationEntity {
     @Column(nullable = false)
     private String description;
     @Column(nullable = false)
-    private String image;
-    @Column(nullable = false)
     private ZonedDateTime creationDate;
     @ManyToOne(fetch = LAZY)
+    @JoinColumn(name = "picture_id")
+    private PictureEntity picture;
+    @ManyToOne(fetch = LAZY)
     @JoinColumn(name = "author_id")
     private AuthorEntity author;
     @ManyToOne(fetch = LAZY)
@@ -53,8 +55,8 @@ public class PublicationEntity {
             publication.title(),
             publication.text(),
             publication.description(),
-            publication.image(),
             publication.creationDate(),
+            new PictureEntity(publication.picture()),
             new AuthorEntity(publication.author()),
             new CategoryEntity(publication.category())
         );
@@ -67,8 +69,7 @@ public class PublicationEntity {
             title,
             text,
             description,
-            image,
-            creationDate,
+            creationDate, picture.toDomain(),
             author.toDomain(),
             category.toDomain()
         );

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

@@ -9,6 +9,13 @@ import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
 public interface PublicationRepository extends JpaRepository<PublicationEntity, UUID> {
-    @Query("SELECT p FROM PublicationEntity p JOIN FETCH p.author a JOIN FETCH p.category C WHERE p.id = :publicationId")
+    @Query("""
+        SELECT p
+        FROM PublicationEntity p
+        JOIN FETCH p.picture pi
+        JOIN FETCH p.author a
+        JOIN FETCH p.category c
+        WHERE p.id = :publicationId
+        """)
     Optional<PublicationEntity> findById(@Param("publicationId") UUID publicationId);
 }

codiki-infrastructure/src/main/resources/sql/001-initial-script-tables-creation.sql

@@ -31,24 +31,27 @@ CREATE TABLE IF NOT EXISTS category (
 );
 CREATE INDEX category_parent_category_id_idx ON category (parent_category_id);
 
+CREATE TABLE IF NOT EXISTS picture (
+   id UUID NOT NULL,
+   CONSTRAINT picture_pk PRIMARY KEY (id)
+);
+
 CREATE TABLE IF NOT EXISTS publication (
     id UUID NOT NULL,
     key VARCHAR(10) NOT NULL,
     title VARCHAR NOT NULL,
     text VARCHAR NOT NULL,
     description VARCHAR NOT NULL,
-    image VARCHAR NOT NULL,
     creation_date TIMESTAMP NOT NULL,
+    picture_id UUID NOT NULL,
     author_id UUID NOT NULL,
     category_id UUID NOT NULL,
     CONSTRAINT publication_pk PRIMARY KEY (id),
+    CONSTRAINT publication_picture_id_fk FOREIGN KEY (picture_id) REFERENCES picture (id),
     CONSTRAINT publication_author_id_fk FOREIGN KEY (author_id) REFERENCES "user" (id),
     CONSTRAINT publication_category_id_fk FOREIGN KEY (category_id) REFERENCES category (id)
 );
+CREATE INDEX publication_picture_id_idx ON publication (picture_id);
 CREATE INDEX publication_author_id_idx ON publication (author_id);
 CREATE INDEX publication_category_id_idx ON publication (category_id);
 
-CREATE TABLE IF NOT EXISTS picture (
-    id UUID NOT NULL,
-    CONSTRAINT picture_pk PRIMARY KEY (id)
-);

pom.xml

@@ -18,6 +18,7 @@
 		<jakarta.servlet-api.version>6.0.0</jakarta.servlet-api.version>
 		<java-jwt.version>4.4.0</java-jwt.version>
 		<postgresql.version>42.7.0</postgresql.version>
+		<tika-core.version>2.9.0</tika-core.version>
 	</properties>
 
 	<modules>
@@ -72,6 +73,11 @@
 				<artifactId>postgresql</artifactId>
 				<version>${postgresql.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.apache.tika</groupId>
+				<artifactId>tika-core</artifactId>
+				<version>${tika-core.version}</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>
 

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

@@ -1,6 +1,7 @@
 vars {
   url: http://localhost:8080
-  publicationId: fce1de27-11c6-4deb-a248-b63288c00037
-  bearerToken: eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiI1YWQ0NjJiOC04ZjllLTRhMjYtYmI4Ni1jNzRmZWY1ZDExYjYiLCJleHAiOjE3MTAzMzc2Njd9.ExV8xDeqqKk5WjIVb16NBqF1gPoRqx7uL4jQIhWjjY0QVhB5EAGdHMIbLr4s9Ck2f6z8U4sRlpPAQquDOr_9NA
+  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
 }