qvalentin/LinkDitch
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stuff

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qvalentin 2022-05-27 09:54:06 +02:00
parent 7fbc3f722c
commit 22a9368697
Signed by: qvalentin
GPG key ID: C979FA1EAFCABF1C
12 changed files with 228 additions and 144 deletions
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13
3-Domain/src/main/java/link/Link.java
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@ -2,6 +2,7 @@ package link;
import category.CategoryId;
import tag.Tag;
import tag.TagName;
import user.Username;
import java.util.Set;
@ -34,10 +35,22 @@ public class Link {
return url;
}
public boolean hasCategoryId(CategoryId categoryId) {
return categoryIds.contains(categoryId);
}
public Set<CategoryId> getCategoryIds() {
return categoryIds;
}
public boolean hasTagName(TagName tagName) {
return tags.stream().anyMatch(tag -> tag.getName().equals(tagName));
}
public boolean wasCreatedBy(Username username) {
return this.creator.equals(username);
}
public Set<Tag> getTags() {
return tags;
}

118
3-Domain/src/main/java/link/LinkRepository.java
View file

@ -2,76 +2,100 @@ package link;
import abstraction.CustomSetPersistenceDecorator;
import abstraction.PersistenceAdapter;
import category.CategoryId;
import datastructures.set.CustomSet;
import exeptions.LinkAlreadyExists;
import exeptions.LinkDoesNotExist;
import tag.TagName;
import user.Username;
import java.util.ArrayList;
import java.util.List;
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> getByCategory(CategoryId id) {
return links.stream().filter(link -> link.hasCategoryId(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> getByTag(TagName tagName) {
return links.stream().filter(link -> link.hasTagName(tagName)).collect(Collectors.toSet());
}
public Set<Link> getByUser(Username username) {
return links.stream().filter(it -> it.getCreator().equals(username)).collect(Collectors.toSet());
}
public Set<Link> getByUser(Username username) {
return links.stream().filter(link -> link.wasCreatedBy(username)).collect(Collectors.toSet());
}
public List<Link> groupByHost() {
var input = new ArrayList<>(links.stream().toList());
var result = new ArrayList<Link>();
boolean changed = false;
while (!input.isEmpty()) {
input.removeAll(result);
changed = false;
for (Link link : input) {
if (result.stream().anyMatch(resultLink -> resultLink.getUrl().hostEquals(link.getUrl()))) {
result.add(link);
changed = true;
}
}
if (!changed && !input.isEmpty()) {
result.add(input.get(0));
}
}
return result;
}
}

19
3-Domain/src/main/java/link/LinkUrl.java
View file

@ -22,6 +22,25 @@ public class LinkUrl {
return url;
}
public boolean hostEquals(LinkUrl other) {
return this.url.getHost().equals(other.getUrl().getHost());
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
LinkUrl linkUrl = (LinkUrl) o;
return url != null ? url.toString().equals(linkUrl.url.toString()) : linkUrl.url == null;
}
@Override
public int hashCode() {
return url != null ? url.toString().hashCode() : 0;
}
@Override
public String toString() {
return url.toString();