io.thestencil.client.spi.staticontent.visitors.SiteVisitorDefault Maven / Gradle / Ivy
package io.thestencil.client.spi.staticontent.visitors;
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* #%L
* stencil-static-content
* %%
* Copyright (C) 2021 Copyright 2021 ReSys OÜ
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
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*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import io.thestencil.client.api.MigrationBuilder.LocalizedSite;
import io.thestencil.client.api.MigrationBuilder.Topic;
import io.thestencil.client.api.MigrationBuilder.TopicBlob;
import io.thestencil.client.api.MigrationBuilder.TopicHeading;
import io.thestencil.client.api.MigrationBuilder.TopicLink;
import io.thestencil.client.spi.beans.LocalizedSiteBean;
import io.thestencil.client.spi.beans.TopicBean;
import io.thestencil.client.spi.beans.TopicBlobBean;
import io.thestencil.client.spi.beans.TopicHeadingBean;
import io.thestencil.client.spi.beans.TopicLinkBean;
import io.thestencil.client.spi.staticontent.support.ParserAssert;
import io.thestencil.client.spi.staticontent.support.Sha2;
public class SiteVisitorDefault implements SiteVisitor {
private final List messages = new ArrayList<>();
private final Map> localeTopicData = new HashMap<>();
private final Map> pathLinkData = new HashMap<>();
private final Map pathTopicNamesData = new HashMap<>();
private final Map images = new HashMap<>();
private final Map blobs = new HashMap<>();
private final Map links = new HashMap<>();
private final Function serializer;
private String imageUrl;
public SiteVisitorDefault(Function serializer) {
this.serializer = serializer;
}
@Override
public void visitTopicData(TopicData topic) {
var topics = localeTopicData.get(topic.getLocale());
if(topics == null) {
topics = new ArrayList<>();
localeTopicData.put(topic.getLocale(), topics);
}
topics.add(topic);
}
@Override
public void visitLinkData(LinkData link) {
var links = pathLinkData.get(link.getPath());
if(links == null) {
links = new ArrayList<>();
pathLinkData.put(link.getPath(), links);
}
links.add(link);
}
@Override
public void visitImageData(ImageData image) {
ParserAssert.isTrue(!images.containsKey(image.getPath()), () -> "Image with path: '" + image.getPath() + "' is already defined!");
images.put(image.getPath(), image);
}
@Override
public void visitTopicNameData(TopicNameData names) {
pathTopicNamesData.put(names.getPath(), names);
}
@Override
public SiteVisitorOutput visit(String imageUrl) {
this.imageUrl = imageUrl;
final var builder = ImmutableSiteVisitorOutput.builder();
final var sites = this.localeTopicData.entrySet().stream()
.map(this::visitLocale)
.collect(Collectors.toList());
sites.sort((s1, s2) -> s1.getId().compareTo(s2.getId()));
return builder.sites(sites).addAllMessage(messages).build();
}
private LocalizedSite visitLocale(Map.Entry> localization) {
final var siteTopics = new LinkedHashMap();
final var siteBlobs = new LinkedHashMap();
final var siteLinks = new LinkedHashMap();
final var visitedTopics = new ArrayList();
final var parents = new ArrayList();
final var locale = localization.getKey();
for(final var src : localization.getValue()) {
final var topicId = src.getPath();
final var parent = visitTopicParent(src);
final var name = visitTopicName(src);
final var blob = visitTopicBlob(src);
final var topicLinks = visitTopicLinks(topicId, locale);
final var topicHeadings = visitTopicHeadings(src);
final var topic = TopicBean.builder()
.id(topicId)
.name(name)
.links(topicLinks)
.parent(parent)
.blob(blob)
.headings(topicHeadings)
.build();
if(parent != null) {
parents.add(parent);
}
visitedTopics.add(topicId);
siteTopics.put(topic.getId(), topic);
topic.getLinks().forEach(link -> siteLinks.put(link, this.links.get(link)));
siteBlobs.put(topic.getBlob(), this.blobs.get(topic.getBlob()));
}
// Add missing levels
for(String parent : parents) {
if(visitedTopics.contains(parent)) {
continue;
}
final var id = parent;
final var name = visitTopicName(parent, locale);
final var topicLinks = visitTopicLinks(id, locale);
final var topic = TopicBean.builder()
.id(id)
.name(name)
.links(topicLinks)
.build();
topic.getLinks().forEach(link -> siteLinks.put(link, this.links.get(link)));
siteTopics.put(topic.getId(), topic);
}
final var result = LocalizedSiteBean.builder()
.id("")
.images(imageUrl)
.locale(locale)
.topics(sort(siteTopics))
.blobs(sort(siteBlobs))
.links(sort(siteLinks))
.build();
final var id = Sha2.blobId(serializer.apply(result));
return LocalizedSiteBean.builder().from(result).id(id).build();
}
private Map sort(Map input) {
final var values = new ArrayList<>(input.entrySet());
values.sort((e1, e2) -> e1.getKey().compareTo(e2.getKey()));
Map result = new LinkedHashMap<>();
for(final var entry : values) {
result.put(entry.getKey(), entry.getValue());
}
return result;
}
private String visitTopicParent(TopicData topic) {
String[] path = topic.getPath().split("\\/");
if(path.length > 1) {
return path[0];
}
return null;
}
private String visitTopicName(String path, String locale) {
final var locales = pathTopicNamesData.get(path);
if(locales == null) {
this.messages.add(ImmutableMessage.builder().text("Missing localized: '" + locale + "' name for path: '" + path + "'!").build());
return path;
}
final var name = locales.getLocale().get(locale);
if(name == null || name.isBlank()) {
this.messages.add(ImmutableMessage.builder().text("Missing localized: '" + locale + "' name for path: '" + path + "'!").build());
return path;
}
return path;
}
private String visitTopicName(TopicData topic) {
for(var heading : topic.getHeadings()) {
if(heading.getLevel() == 1 && heading.getName().length() > 1) {
return heading.getName().substring(1).trim();
}
}
final var locales = pathTopicNamesData.get(topic.getPath());
if(locales == null) {
this.messages.add(ImmutableMessage.builder().text("Missing localized: '" + topic.getLocale() + "' name for path: '" + topic.getPath() + "'!").object(topic).build());
return topic.getPath();
}
final var name = locales.getLocale().get(topic.getLocale());
if(name == null || name.isBlank()) {
this.messages.add(ImmutableMessage.builder().text("Missing localized: '" + topic.getLocale() + "' name for path: '" + topic.getPath() + "'!").object(topic).build());
return topic.getPath();
}
return name;
}
private String visitTopicBlob(TopicData topic) {
String blob = topic.getValue();
String id = Sha2.blobId(blob);
this.blobs.put(id, TopicBlobBean.builder().id(id).value(blob).build());
return id;
}
private List visitTopicHeadings(TopicData topic) {
List result = new ArrayList<>();
int index = 1;
for(final var heading : topic.getHeadings()) {
result.add(TopicHeadingBean.builder()
.id(String.valueOf(index++))
.name(heading.getName())
.order(heading.getOrder())
.level(heading.getLevel())
.build());
}
return result;
}
private List visitTopicLinks(String path, String locale) {
var src = pathLinkData.get(path);
if(src == null) {
final var prefix = path.indexOf("_");
if(prefix > - 1) {
src = pathLinkData.get(path.substring(prefix + 1));
}
}
final var links = new ArrayList<>(src == null ? Collections.emptyList() : src);
links.addAll(pathLinkData.getOrDefault("", Collections.emptyList()));
List result = new ArrayList<>();
for(var link : links) {
final var allLocales = link.getLocale() == null || link.getLocale().isBlank();
final var topicLocale = link.getLocale() != null && link.getLocale().indexOf(locale) > -1;
if(allLocales || topicLocale) {
final var template = TopicLinkBean.builder()
.id("template")
.path(link.getPath())
.global(link.getGlobal())
.type(link.getType())
.name(link.getName())
.value(link.getValue())
.workflow(link.getWorkflow())
.build();
String id = Sha2.blobId(template.toString());
this.links.put(id, TopicLinkBean.builder().from(template).id(id).build());
result.add(id);
}
}
return result;
}
}
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