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Option to get taxonomies of all descendant pages #43

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Option to get taxonomies of all descendant pages #43

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bf8e049
add function to get all descendants of a page
chraebsli Oct 8, 2024
abc9783
refactor duplicated lines to mergeTaxonomies()
chraebsli Oct 8, 2024
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63 changes: 51 additions & 12 deletions classes/taxonomylist.php
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Original file line number Diff line number Diff line change
Expand Up @@ -44,19 +44,33 @@ public function getChildPagesTags(PageInterface $current = null)
if (!$child->isPage()) {
continue;
}
foreach($this->build($child->taxonomy()) as $taxonomyName => $taxonomyValue) {
if (!isset($taxonomies[$taxonomyName])) {
$taxonomies[$taxonomyName] = $taxonomyValue;
} else {
foreach ($taxonomyValue as $value => $count) {
if (!isset($taxonomies[$taxonomyName][$value])) {
$taxonomies[$taxonomyName][$value] = $count;
} else {
$taxonomies[$taxonomyName][$value] += $count;
}
}
}
$taxonomies = $this->mergeTaxonomies($taxonomies, $this->build($child->taxonomy()));
}

return $taxonomies;
}

/**
* Get taxonomy list with tags of all descendant pages.
*
* @return array
*/
public function getDescendantPagesTags(PageInterface $current = null)
{
/** @var PageInterface $current */
if (null === $current) {
$current = Grav::instance()['page'];
}

$pages = Grav::instance()['pages'];
$descendants = $pages->all($current)->remove($current->path())->pages();

$taxonomies = [];
foreach ($descendants->published() as $child) {
if (!$child->isPage()) {
continue;
}
$taxonomies = $this->mergeTaxonomies($taxonomies, $this->build($child->taxonomy()));
}

return $taxonomies;
Expand Down Expand Up @@ -97,4 +111,29 @@ protected function build(array $taxonomylist)

return $list;
}

/**
* Merge two taxonomy arrays.
*
* @param array $taxonomies
* @param array $newTaxonomies
* @return array
*/
private function mergeTaxonomies(array $taxonomies, array $newTaxonomies)
{
foreach ($newTaxonomies as $taxonomyName => $taxonomyValue) {
if (!isset($taxonomies[$taxonomyName])) {
$taxonomies[$taxonomyName] = $taxonomyValue;
} else {
foreach ($taxonomyValue as $value => $count) {
if (!isset($taxonomies[$taxonomyName][$value])) {
$taxonomies[$taxonomyName][$value] = $count;
} else {
$taxonomies[$taxonomyName][$value] += $count;
}
}
}
}
return $taxonomies;
}
}