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}

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[ , $width, $height ] = \wp_get_attachment_image_src( $model->target_post_id, 'full' );

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$model->width = $width;

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$model->height = $height;

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}

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else {

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$model->width = 0;

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$model->height = 0;

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$model->size = 0;

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}

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}

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}

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return $model;

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}

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/**

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* Enhances the link model with information from its indexable.

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* @param SEO_Links $model The link's model.

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* @param string $permalink The link's permalink.

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* @return SEO_Links The enhanced link model.

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protected function enhance_link_from_indexable( $model, $permalink ) {

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$target = $this->indexable_repository->find_by_permalink( $permalink );

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if ( ! $target ) {

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// If target indexable cannot be found, create one based on the post's post ID.

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$post_id = $this->get_post_id( $model->type, $permalink );

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if ( $post_id && $post_id !== 0 ) {

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$target = $this->indexable_repository->find_by_id_and_type( $post_id, 'post' );

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}

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}

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if ( ! $target ) {

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return $model;

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}

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$model->target_indexable_id = $target->id;

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if ( $target->object_type === 'post' ) {

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$model->target_post_id = $target->object_id;

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}

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if ( $model->target_indexable_id ) {

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$model->language = $target->language;

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$model->region = $target->region;

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}

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return $model;

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}

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/**

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* Builds the link's permalink.

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* @param string $url The url of the link.

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* @param array $home_url The home url, as parsed by wp_parse_url.

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* @return string The link's permalink.

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protected function build_permalink( $url, $home_url ) {

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$permalink = $this->get_permalink( $url, $home_url );

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if ( $this->url_helper->is_relative( $permalink ) ) {

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// Make sure we're checking against the absolute URL, and add a trailing slash if the site has a trailing slash in its permalink settings.

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$permalink = $this->url_helper->ensure_absolute_url( \user_trailingslashit( $permalink ) );

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}

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return $permalink;

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}

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/**

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* Filters out links that point to the same page with a fragment or query.

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* @param SEO_Links $link The link.

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* @param array $current_url The url of the page the link is on, as parsed by wp_parse_url.

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* @return bool Whether or not the link should be filtered.

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protected function filter_link( SEO_Links $link, $current_url ) {

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$url = $link->parsed_url;

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// Always keep external links.

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if ( $link->type === SEO_Links::TYPE_EXTERNAL ) {

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return true;

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}

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// Always keep links with an empty path or pointing to other pages.

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if ( isset( $url['path'] ) ) {

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return empty( $url['path'] ) || $url['path'] !== $current_url['path'];

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}

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// Only keep links to the current page without a fragment or query.

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return ( ! isset( $url['fragment'] ) && ! isset( $url['query'] ) );

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}

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/**

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* Updates the link counts for related indexables.

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* @param Indexable $indexable The indexable.

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* @param SEO_Links[] $links The link models.

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* @return void

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protected function update_related_indexables( $indexable, $links ) {

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// Old links were only stored by post id, so remove all old seo links for this post that have no indexable id.

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// This can be removed if we ever fully clear all seo links.

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if ( $indexable->object_type === 'post' ) {

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$this->seo_links_repository->delete_all_by_post_id_where_indexable_id_null( $indexable->object_id );

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}

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$updated_indexable_ids = [];

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$old_links = $this->seo_links_repository->find_all_by_indexable_id( $indexable->id );

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$links_to_remove = $this->links_diff( $old_links, $links );

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$links_to_add = $this->links_diff( $links, $old_links );

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if ( ! empty( $links_to_remove ) ) {

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$this->seo_links_repository->delete_many_by_id( \wp_list_pluck( $links_to_remove, 'id' ) );

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}

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if ( ! empty( $links_to_add ) ) {

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$this->seo_links_repository->insert_many( $links_to_add );

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}

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foreach ( $links_to_add as $link ) {

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if ( $link->target_indexable_id ) {

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$updated_indexable_ids[] = $link->target_indexable_id;

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}

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}

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foreach ( $links_to_remove as $link ) {

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if ( $link->target_indexable_id ) {

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$updated_indexable_ids[] = $link->target_indexable_id;

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}

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}

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$this->update_incoming_links_for_related_indexables( $updated_indexable_ids );

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}

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/**

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* Creates a diff between two arrays of SEO links, based on urls.

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* @param SEO_Links[] $links_a The array to compare.

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* @param SEO_Links[] $links_b The array to compare against.

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* @return SEO_Links[] Links that are in $links_a, but not in $links_b.

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[647] Fix | Delete

protected function links_diff( $links_a, $links_b ) {

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return \array_udiff(

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$links_a,

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$links_b,

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static function ( SEO_Links $link_a, SEO_Links $link_b ) {

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return \strcmp( $link_a->url, $link_b->url );

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}

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);

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}

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[657] Fix | Delete

/**

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* Returns the number of internal links in an array of link models.

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* @param SEO_Links[] $links The link models.

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* @return int The number of internal links.

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[664] Fix | Delete

protected function get_internal_link_count( $links ) {

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$internal_link_count = 0;

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foreach ( $links as $link ) {

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if ( $link->type === SEO_Links::TYPE_INTERNAL ) {

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++$internal_link_count;

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}

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}

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return $internal_link_count;

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}

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[676] Fix | Delete

/**

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* Returns a cleaned permalink for a given link.

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[679] Fix | Delete

* @param string $link The raw URL.

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* @param array $home_url The home URL, as parsed by wp_parse_url.

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[682] Fix | Delete

* @return string The cleaned permalink.

[683] Fix | Delete

[684] Fix | Delete

protected function get_permalink( $link, $home_url ) {

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// Get rid of the #anchor.

[686] Fix | Delete

$url_split = \explode( '#', $link );

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$link = $url_split[0];

[688] Fix | Delete

[689] Fix | Delete

// Get rid of URL ?query=string.

[690] Fix | Delete

$url_split = \explode( '?', $link );

[691] Fix | Delete

$link = $url_split[0];

[692] Fix | Delete

[693] Fix | Delete

// Set the correct URL scheme.

[694] Fix | Delete

$link = \set_url_scheme( $link, $home_url['scheme'] );

[695] Fix | Delete

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// Add 'www.' if it is absent and should be there.

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if ( \strpos( $home_url['host'], 'www.' ) === 0 && \strpos( $link, '://www.' ) === false ) {

[698] Fix | Delete

$link = \str_replace( '://', '://www.', $link );

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}

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[701] Fix | Delete

// Strip 'www.' if it is present and shouldn't be.

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if ( \strpos( $home_url['host'], 'www.' ) !== 0 ) {

[703] Fix | Delete

$link = \str_replace( '://www.', '://', $link );

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}

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return $link;

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}

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/**

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* Updates incoming link counts for related indexables.

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* @param int[] $related_indexable_ids The IDs of all related indexables.

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* @return void

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protected function update_incoming_links_for_related_indexables( $related_indexable_ids ) {

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if ( empty( $related_indexable_ids ) ) {

[718] Fix | Delete

return;

[719] Fix | Delete

}

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[721] Fix | Delete

$counts = $this->seo_links_repository->get_incoming_link_counts_for_indexable_ids( $related_indexable_ids );

[722] Fix | Delete

if ( \wp_cache_supports( 'flush_group' ) ) {

[723] Fix | Delete

\wp_cache_flush_group( 'orphaned_counts' );

[724] Fix | Delete

}

[725] Fix | Delete

[726] Fix | Delete

foreach ( $counts as $count ) {

[727] Fix | Delete

$this->indexable_repository->update_incoming_link_count( $count['target_indexable_id'], $count['incoming'] );

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}

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}

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}

[731] Fix | Delete

[732] Fix | Delete