/**
* Sorts posts by date (descending) or by
* chapter (ascending). Assigns post.next and post.prev
*
* @return void
*/
private function sortPosts()
{
$this->app->writeln("\n<comment>Sorting</comment>");
$cmpFn = function (Content $one, Content $other) {
// Sort by chapters
if ($one instanceof Doc && $other instanceof Doc) {
if ($one->chapter == $other->chapter) {
return 0;
}
return $one->chapter < $other->chapter ? -1 : 1;
}
// Sort by date
if ($one->date == $other->date) {
return 0;
}
return $one->date > $other->date ? -1 : 1;
};
foreach ($this->site->categories as $cat => &$posts) {
// Sort posts
usort($posts, $cmpFn);
// Assign next and previous post within the category
foreach ($posts as $key => $post) {
if (isset($posts[$key - 1])) {
$post->next = $posts[$key - 1];
}
if (isset($posts[$key + 1])) {
$post->prev = $posts[$key + 1];
}
}
}
$this->app->writeln("Done!");
}
