public MDLink parseRewrittenUrl(String url) {
Timber.d("Parsing rewritten topic URL : %s", url);
// Split url and anchor
String[] urlParts = url.split("#");
url = urlParts[0];
String anchor = urlParts.length >= 2 ? urlParts[1] : null;
Matcher rewrittenTopicMatcher = rewrittenTopicPattern.matcher(url);
if (rewrittenTopicMatcher.matches()) {
boolean hasSubCat = rewrittenTopicMatcher.groupCount() == 4;
int subcatOffset = hasSubCat ? 1 : 0;
String categorySlug = rewrittenTopicMatcher.group(1);
String subcategorySlug = hasSubCat ? rewrittenTopicMatcher.group(2) : null;
int topicId = Integer.parseInt(rewrittenTopicMatcher.group(subcatOffset + 2));
int pageNumber = Integer.parseInt(rewrittenTopicMatcher.group(subcatOffset + 3));
Timber.d(
"Rewritten topic URL : %s, category : %s, subcategory : %s, topicId : %d, pageNumber : %d",
url, categorySlug, subcategorySlug, topicId, pageNumber);
Category topicCategory = categoriesStore.getCategoryBySlug(categorySlug);
if (topicCategory == null) {
Timber.e("Category '%s' is unknown", categorySlug);
return MDLink.invalid();
} else {
Timber.d("Link is for category '%s'", topicCategory.name());
return MDLink.forTopic(topicCategory, topicId)
.atPage(pageNumber)
.atPost(parseAnchor(anchor))
.build();
}
} else {
return MDLink.invalid();
}
}
public MDLink parseStandardUrl(String url) {
Timber.d("Parsing standard topic URL : %s", url);
Uri parsedUri = Uri.parse(url);
String categoryId = parsedUri.getQueryParameter("cat");
String pageNumber = parsedUri.getQueryParameter("page");
String topicId = parsedUri.getQueryParameter("post");
String anchor = parsedUri.getFragment();
// Set default page number as 1 (first page)
if (pageNumber == null) {
pageNumber = "1";
}
if (categoryId == null || topicId == null) {
Timber.e("URL '%s' is invalid, category, or topic id not found", url);
return MDLink.invalid();
}
try {
Category topicCategory = categoriesStore.getCategoryById(Integer.parseInt(categoryId));
if (topicCategory == null) {
Timber.e("Category with id '%s' is unknown", categoryId);
return MDLink.invalid();
} else {
Timber.d("Link is for category '%s'", topicCategory.name());
return MDLink.forTopic(topicCategory, Integer.parseInt(topicId))
.atPage(Integer.parseInt(pageNumber))
.atPost(parseAnchor(anchor))
.build();
}
} catch (NumberFormatException e) {
Timber.e(e, "Error while parsing standard URL");
return MDLink.invalid();
}
}