qvalentin/LinkDitch
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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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105
2-Application/src/main/java/link/LinkUseCase.java
View file

@ -10,65 +10,76 @@ import tag.TagName;
import tag.TaggingUseCase;
import user.Username;
import java.util.List;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
public class LinkUseCase {
private final LinkRepository linkRepository;
private final CategoryRepository categoryRepository;
private final TaggingUseCase taggingUseCase;
private final RandomLinkIdGenerator linkIdGenerator;
public LinkUseCase(LinkRepository linkRepository,
CategoryRepository categoryRepository,
TaggingUseCase taggingUseCase,
RandomLinkIdGenerator linkIdGenerator) {
this.linkRepository = linkRepository;
this.categoryRepository = categoryRepository;
this.taggingUseCase = taggingUseCase;
this.linkIdGenerator = linkIdGenerator;
}
private final LinkRepository linkRepository;
private final CategoryRepository categoryRepository;
private final TaggingUseCase taggingUseCase;
private final RandomLinkIdGenerator linkIdGenerator;
public void addLink(LinkUrl url, Set<CategoryName> categoryNames, Username creator) {
if (!OnlineCheck.isReachable(url)) {
throw new URLIsNotReachable("The url " + url + " does not seem online. Check if it is correct and you have internet access.");
}
var categoryIds = categoryNames.stream().map(categoryRepository::getIdByName).collect(Collectors.toSet());
var tags = taggingUseCase.getTagsFor(url);
var id = linkIdGenerator.generateId();
var link = new Link(id, creator, url, categoryIds, tags);
linkRepository.add(link);
}
public LinkUseCase(LinkRepository linkRepository,
CategoryRepository categoryRepository,
TaggingUseCase taggingUseCase,
RandomLinkIdGenerator linkIdGenerator) {
this.linkRepository = linkRepository;
this.categoryRepository = categoryRepository;
this.taggingUseCase = taggingUseCase;
this.linkIdGenerator = linkIdGenerator;
}
public void addLink(LinkUrl url, Set<CategoryName> categoryNames, Username creator) {
if (!OnlineCheck.isReachable(url)) {
throw new URLIsNotReachable("The url " + url + " does not seem online. Check if it is correct and you have internet access.");
}
var categoryIds = categoryNames.stream().map(categoryRepository::getIdByName).collect(Collectors.toSet());
var tags = taggingUseCase.getTagsFor(url);
var id = linkIdGenerator.generateId();
var link = new Link(id, creator, url, categoryIds, tags);
linkRepository.add(link);
}
public Set<LinkDto> getLinks() {
return linkRepository.getAll().stream().map(this::convertLink).collect(Collectors.toSet());
}
public Set<LinkDto> getLinks() {
return linkRepository.getAll().stream().map(this::convertLink).collect(Collectors.toSet());
}
public Set<LinkDto> getLinksForCategory(CategoryName categoryName) {
return linkRepository.getByCategory(categoryRepository.getIdByName(categoryName).id()).stream().map(this::convertLink).collect(Collectors.toSet());
}
public Set<LinkDto> getLinksForCategory(CategoryName categoryName) {
return linkRepository
.getByCategory(categoryRepository.getIdByName(categoryName))
.stream()
.map(this::convertLink)
.collect(Collectors.toSet());
}
public Set<LinkDto> getLinksForTag(TagName tagName) {
return linkRepository.getByTag(tagName).stream().map(this::convertLink).collect(Collectors.toSet());
}
public Set<LinkDto> getLinksForUser(Username username) {
return linkRepository.getByUser(username).stream().map(this::convertLink).collect(Collectors.toSet());
}
public Set<LinkDto> getLinksForTag(TagName tagName) {
return linkRepository.getByTag(tagName).stream().map(this::convertLink).collect(Collectors.toSet());
}
private LinkDto convertLink(Link link) {
return new LinkDto(link.getCreator(), link.getUrl(), getCategoriesOf(link), link.getTags());
}
public Set<LinkDto> getLinksForUser(Username username) {
return linkRepository.getByUser(username).stream().map(this::convertLink).collect(Collectors.toSet());
}
private Set<Category> getCategoriesOf(Link link) {
return link.getCategoryIds().stream().map(getCategoryForId()).collect(Collectors.toSet());
}
public List<LinkDto> groupByHosts() {
return linkRepository.groupByHost().stream().map(this::convertLink).collect(Collectors.toList());
}
private LinkDto convertLink(Link link) {
return new LinkDto(link.getCreator(), link.getUrl(), getCategoriesOf(link), link.getTags());
}
private Set<Category> getCategoriesOf(Link link) {
return link.getCategoryIds().stream().map(getCategoryForId()).collect(Collectors.toSet());
}
private Function<CategoryId, Category> getCategoryForId() {
return id -> categoryRepository
.getById(id)
.orElseThrow(() -> new CategroyDoesNotExist(
"A Category for a certain id does not exits. You must create it first."));
}
private Function<CategoryId, Category> getCategoryForId() {
return id -> categoryRepository
.getById(id)
.orElseThrow(() -> new CategroyDoesNotExist(
"A Category for a certain id does not exits. You must create it first."));
}
}

4
2-Application/src/main/java/link/RandomLinkIdGenerator.java
View file

@ -1,13 +1,13 @@
package link;
public class RandomLinkIdGenerator implements LinkIdGenerator {
public class RandomLinkIdGenerator {
private final LinkRepository linkRepository;
public RandomLinkIdGenerator(LinkRepository linkRepository) {
this.linkRepository = linkRepository;
}
@Override
public LinkId generateId() {
var randomID = (int) (Math.random() * 10000);