all sorts of things

1-Adapter/src/main/java/cli/link/LinkCliAdapter.java

@@ -1,6 +1,7 @@
 package cli.link;
 
 import category.CategoryName;
+import link.LinkDto;
 import link.LinkUrl;
 import link.LinkUseCase;
 import user.Username;
@@ -21,4 +22,8 @@ public class LinkCliAdapter {
 		                    categoryNames.stream().map(CategoryName::new).collect(Collectors.toSet()),
 		                    new Username(creator));
 	}
+
+	public Set<String> getLinks() {
+		return linkUseCase.getLinks().stream().map(LinkDto::toString).collect(Collectors.toSet());
+	}
 }

1-Adapter/src/main/java/persistence/category/CategoryEntity.java

@@ -22,7 +22,7 @@ public class CategoryEntity implements CSVSerializable {
 	}
 
 	public CategoryEntity(Category category) {
-		this(category.getName().toString(), category.getId().id());
+		this(category.getName().getName(), category.getId().id());
 	}
 
 	public Category toCategory() {
@@ -36,7 +36,7 @@ public class CategoryEntity implements CSVSerializable {
 
 	@Override
 	public String toCSVString() {
-		return name + CSVSerializable.seperator + Integer.toString(id);
+		return name.toString() + CSVSerializable.seperator + Integer.toString(id);
 	}
 
 	@Override

1-Adapter/src/main/java/persistence/link/CSVLinkPersistenceAdapter.java

@@ -22,11 +22,11 @@ public class CSVLinkPersistenceAdapter implements PersistenceAdapter<Link> {
 
 	@Override
 	public void add(Link link) {
-		linkDAO.remove(new LinkEntity(link));
+		linkDAO.add(new LinkEntity(link));
 	}
 
 	@Override
 	public void remove(Link link) {
-		linkDAO.add(new LinkEntity(link));
+		linkDAO.remove(new LinkEntity(link));
 	}
 }

1-Adapter/src/main/java/persistence/tag/TagEntity.java

@@ -12,12 +12,6 @@ public class TagEntity {
 	private final String name;
 	private Optional<String> additionalData = Optional.empty();
 
-	public TagEntity(String name, Optional<String> additionalData) {
-		this.name = name;
-		this.additionalData = additionalData;
-	}
-
-
 	public TagEntity(String name, String additionalData) {
 		this.name = name;
 		this.additionalData = Optional.of(additionalData);

1-Adapter/src/test/java/persistence/category/CategoryEntityTest.java

@@ -0,0 +1,16 @@
+package persistence.category;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class CategoryEntityTest {
+
+	@Test
+	void categoryConversionWorks() {
+
+		var sut = new CategoryEntity("categoryName", 99);
+
+		assertEquals(sut,new CategoryEntity(sut.toCategory()));
+	}
+}