generated from halo-dev/plugin-starter
/
MomentCommentSubject.java
55 lines (49 loc) · 1.89 KB
/
MomentCommentSubject.java
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package run.halo.moments;
import java.util.Optional;
import lombok.RequiredArgsConstructor;
import org.jsoup.Jsoup;
import org.jsoup.safety.Safelist;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import reactor.core.publisher.Mono;
import run.halo.app.content.comment.CommentSubject;
import run.halo.app.extension.GroupVersionKind;
import run.halo.app.extension.ReactiveExtensionClient;
import run.halo.app.extension.Ref;
import run.halo.app.infra.ExternalLinkProcessor;
/**
* <p>Comment subject for moment.</p>
* This class helps to get comment subject by name when comment list query.
*
* @author guqing
* @since 1.0.2
*/
@Component
@RequiredArgsConstructor
public class MomentCommentSubject implements CommentSubject<Moment> {
private final ReactiveExtensionClient client;
private final ExternalLinkProcessor externalLinkProcessor;
@Override
public Mono<Moment> get(String name) {
return client.fetch(Moment.class, name);
}
@Override
public Mono<SubjectDisplay> getSubjectDisplay(String name) {
return get(name).map(moment -> {
var content = Optional.ofNullable(moment.getSpec().getContent())
.map(Moment.MomentContent::getRaw)
.map(raw -> Jsoup.clean(raw, Safelist.none()))
.map(raw -> raw.length() > 100 ? raw.substring(0, 100) : raw)
.orElse(name);
var momentUrl = externalLinkProcessor.processLink("/moments/" + name);
return new SubjectDisplay(content, momentUrl, "瞬间");
});
}
@Override
public boolean supports(Ref ref) {
Assert.notNull(ref, "Subject ref must not be null.");
GroupVersionKind groupVersionKind =
new GroupVersionKind(ref.getGroup(), ref.getVersion(), ref.getKind());
return GroupVersionKind.fromExtension(Moment.class).equals(groupVersionKind);
}
}