qvalentin/LinkDitch
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Add querying use cases
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qvalentin 2022-05-25 19:13:52 +02:00
parent fd4a2c0e83
commit 71b28222a7
8 changed files with 220 additions and 152 deletions
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91
3-Domain/src/main/java/link/LinkRepository.java
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@ -5,58 +5,73 @@ import abstraction.PersistenceAdapter;
import datastructures.set.CustomSet;
import exeptions.LinkAlreadyExists;
import exeptions.LinkDoesNotExist;
import tag.TagName;
import user.Username;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
public class LinkRepository {
final private CustomSet<Link> links;
final private CustomSet<Link> links;
public LinkRepository(PersistenceAdapter<Link> linkPersistenceAdapter) {
this.links = new CustomSetPersistenceDecorator<>(linkPersistenceAdapter);
}
public LinkRepository(PersistenceAdapter<Link> linkPersistenceAdapter) {
this.links = new CustomSetPersistenceDecorator<>(linkPersistenceAdapter);
}
public Optional<Link> getById(LinkId id) {
return links.find(link -> link.getId().equals(id));
}
public Optional<Link> getById(LinkId id) {
return links.find(link -> link.getId().equals(id));
}
public Optional<Link> getByUrl(LinkUrl url) {
return links.find(link -> link.getUrl().equals(url));
}
public Optional<Link> getByUrl(LinkUrl url) {
return links.find(link -> link.getUrl().equals(url));
}
public void removeById(LinkId id) {
getById(id).ifPresentOrElse(this::remove, () -> {
throw new LinkDoesNotExist("Tried removing a link with id " + id + " but it does not exist.");
});
}
public void removeById(LinkId id) {
getById(id).ifPresentOrElse(this::remove, () -> {
throw new LinkDoesNotExist("Tried removing a link with id " + id + " but it does not exist.");
});
}
public void removeByUrl(LinkUrl url) {
getByUrl(url).ifPresentOrElse(this::remove, () -> {
throw new LinkDoesNotExist("Tried removing a link with url " + url + " but it does not exist.");
});
}
public void removeByUrl(LinkUrl url) {
getByUrl(url).ifPresentOrElse(this::remove, () -> {
throw new LinkDoesNotExist("Tried removing a link with url " + url + " but it does not exist.");
});
}
public void add(Link link) {
checkDuplicates(link);
links.add(link);
}
public void add(Link link) {
checkDuplicates(link);
links.add(link);
}
public Set<Link> getAll() {
return links.getSet();
}
public Set<Link> getAll() {
return links.getSet();
}
private void remove(Link link) {
links.remove(link);
}
private void remove(Link link) {
links.remove(link);
}
private void checkDuplicates(Link newLink) {
if (this.getById(newLink.getId()).isPresent()) {
throw new LinkAlreadyExists("A link with the id " + newLink.getId() + " already exitsts");
}
private void checkDuplicates(Link newLink) {
if (this.getById(newLink.getId()).isPresent()) {
throw new LinkAlreadyExists("A link with the id " + newLink.getId() + " already exitsts");
}
if (this.getByUrl(newLink.getUrl()).isPresent()) {
throw new LinkAlreadyExists("A link with the url " + newLink.getUrl() + " already exitsts");
}
}
if (this.getByUrl(newLink.getUrl()).isPresent()) {
throw new LinkAlreadyExists("A link with the url " + newLink.getUrl() + " already exitsts");
}
}
public Set<Link> getByCategory(int id) {
return links.stream().filter(it -> it.getCategoryIds().contains(id)).collect(Collectors.toSet());
}
public Set<Link> getByTag(TagName tagName) {
return links.stream().filter(it -> it.getTags().stream().anyMatch(tag -> tag.getName().equals(tagName))).collect(Collectors.toSet());
}
public Set<Link> getByUser(Username username) {
return links.stream().filter(it -> it.getCreator().equals(username)).collect(Collectors.toSet());
}
}

2
3-Domain/src/main/java/tag/Tag.java
View file

@ -4,7 +4,7 @@ import java.util.Optional;
public class Tag {
private TagName name;
private final TagName name;
private Optional<String> additionalData = Optional.empty();
public Tag(TagName name) {