Set up picture upload mechanism.

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

@@ -0,0 +1,11 @@
+package org.codiki.domain.picture.exception;
+
+import java.util.UUID;
+
+import org.codiki.domain.exception.FunctionnalException;
+
+public class PictureContentLoadingErrorException extends FunctionnalException {
+    public PictureContentLoadingErrorException(UUID pictureId) {
+        super(String.format("An error occurred while loading picture content (picture id=%s).", pictureId));
+    }
+}

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

@@ -0,0 +1,9 @@
+package org.codiki.domain.picture.exception;
+
+import org.codiki.domain.exception.FunctionnalException;
+
+public class PictureStorageErrorException extends FunctionnalException {
+    public PictureStorageErrorException() {
+        super("An error occurred while storing picture content file.");
+    }
+}

codiki-domain/src/main/java/org/codiki/domain/picture/model/Picture.java

@@ -0,0 +1,9 @@
+package org.codiki.domain.picture.model;
+
+import java.io.File;
+import java.util.UUID;
+
+public record Picture(
+    UUID id,
+    File contentFile
+) {}

codiki-domain/src/main/java/org/codiki/domain/picture/model/builder/PictureBuilder.java

@@ -0,0 +1,38 @@
+package org.codiki.domain.picture.model.builder;
+
+import java.io.File;
+import java.util.UUID;
+
+import org.codiki.domain.picture.model.Picture;
+
+public class PictureBuilder {
+    private UUID id;
+    private File contentFile;
+
+    private PictureBuilder() {}
+
+    public static PictureBuilder aPicture() {
+        return new PictureBuilder();
+    }
+
+    public PictureBuilder basedOn(Picture picture) {
+        id = picture.id();
+        contentFile = picture.contentFile();
+        return this;
+    }
+
+    public PictureBuilder withId(UUID id) {
+        this.id = id;
+        return this;
+    }
+
+
+    public PictureBuilder withContentFile(File contentFile) {
+        this.contentFile = contentFile;
+        return this;
+    }
+
+    public Picture build() {
+        return new Picture(id, contentFile);
+    }
+}

codiki-domain/src/main/java/org/codiki/domain/picture/port/PicturePort.java

@@ -0,0 +1,16 @@
+package org.codiki.domain.picture.port;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import org.codiki.domain.picture.model.Picture;
+
+public interface PicturePort {
+    boolean existsById(UUID pictureId);
+
+    Optional<Picture> findById(UUID pictureId);
+
+    void save(Picture picture);
+
+    void deleteById(UUID pictureId);
+}