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Nueva versión de la preparación de contenidos para redes sociales, especialmente para Twitter

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Manuel Cillero 2017-10-15 11:36:17 +02:00
parent e44214c9cb
commit 7321acbf4e
1 changed files with 73 additions and 55 deletions
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128
enfold-cille/functions.php
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@ -161,75 +161,93 @@ function avia_change_breadcrumb( $trail, $args ) {
/*
* Adapting content for social networks; and auto generate title if it is empty.
*/
add_filter( 'wp_insert_post_data', 'review_social_post', 5, 2 );
function review_social_post( $data, $postarr ) {
add_action( 'save_post', 'adapting_social_post', 1, 2 );
function adapting_social_post( $post_id, $post ) {
// Unhook this function so it doesn't loop infinitely:
remove_action( 'save_post', 'adapting_social_post', 1, 2 );
// Count post categories:
$categories = array();
if ( !empty( $postarr['post_category'] ) ) {
$categories = $postarr['post_category'];
}
elseif ( !empty( $postarr['tax_input']['category'] ) ) {
$categories = $postarr['tax_input']['category'];
}
$categories = is_array( $categories ) ? array_filter( $categories ) : array( $categories );
$post_categories = get_the_category( $post_id );
$categories = array_values( array_column( $post_categories, 'name' ) );
$num_categories = count( $categories );
// Review post only for Social, Twitter, Facebook & LinkedIn categories:
$num_social_categories = count( array_intersect( array( 1561, 1562, 1563, 1564 ), $categories ) );
$num_social_categories = count( array_intersect( array( 'Social', 'Twitter', 'Facebook', 'LinkedIn' ), $categories ) );
// Nothing to do if there aren't social categories:
if ( $num_social_categories > 0 ) {
// Get clean post title:
$post_title = trim( str_replace( ' ', ' ', strip_tags( $data['post_title'] ) ) );
$title = preg_replace( '!\s+!', ' ', str_replace( ' ', ' ', $post->post_title ) );
$text_title = trim( strip_tags( $title ) );
if ( mb_strrpos( $text_title, ' …' ) == mb_strlen( $text_title ) - 2 ) {
$text_title = mb_substr( $text_title, 0, mb_strlen( $text_title ) - 2 );
}
// Get clean post content:
$post_content = trim( str_replace( ' ', ' ', strip_tags( $data['post_content'] ) ) );
$content = preg_replace( '!\s+!', ' ', str_replace( ' ', ' ', $post->post_content ) );
$text_content = trim( strip_tags( $content ) );
// Auto generate title if it is empty:
$isfull_title = false;
$title_maxchar = 140 - 28;
if ( empty( $post_title ) ) {
if ( empty( $post_content ) ) {
$post_title = 'Sin título en el morral, sea añejo o fugaz, lo mismo da';
}
else {
$post_title = substr( $post_content, 0, $title_maxchar );
$post_title = substr( $post_title, 0, strrpos( $post_title, ' ' ) );
$isfull_title = strlen( $post_title ) > strlen( $post_content );
}
}
elseif ( strlen( $post_title ) > $title_maxchar ) {
if ( strpos( $post_content, $post_title ) !== 0 ) {
$data['post_content'] = $post_title . '. ' . $data['post_content'];
}
$post_title = substr( $post_title, 0, $title_maxchar );
$post_title = substr( $post_title, 0, strrpos( $post_title, ' ' ) );
$isfull_title = true;
}
$data['post_title'] = $isfull_title ? $post_title . '…' : $post_title;
// Nothing to do if no title and no content:
if ( ! empty( $text_title ) || ! empty( $text_content ) ) {
// Adapting content for pure social posts:
if ( $num_categories == $num_social_categories ) {
$post_content = trim( strip_tags( $content, '<p><a><strong><b><em><i><br />' ) );
/*
Remove html attributes except for anchor tag:
// Adapting content for pure social posts:
if ( $num_categories == $num_social_categories ) {
$content = trim( str_replace( '&nbsp;', ' ', strip_tags( $data['post_content'], '<p><a><strong><b><em><i><br />' ) ) );
/*
Remove html attributes except for anchor tag:
/ Start Pattern
< Match '<' at beginning of tags
( Start Capture Group $1 - Tag Name
[a-z] Match 'a' through 'z'
[a-z0-9]+ Match 'a' through 'z' or '0' through '9' one or more times
) End Capture Group
[^>]*? Match anything other than '>', Zero or More times, not-greedy (wont eat the /)
(\/?) Capture Group $2 - '/' if it is there
> Match '>'
/i End Pattern - Case Insensitive
*/
$post_content = preg_replace( "/<([a-z][a-z0-9]+)[^>]*?(\/?)>/i", '<$1$2>', $post_content );
$post->post_content = str_replace( array( '<b>', '</b>', '<i>', '</i>' ), array( '<strong>', '</strong>', '<em>', '</em>' ), $post_content );
}
/ Start Pattern
< Match '<' at beginning of tags
( Start Capture Group $1 - Tag Name
[a-z] Match 'a' through 'z'
[a-z0-9]+ Match 'a' through 'z' or '0' through '9' one or more times
) End Capture Group
[^>]*? Match anything other than '>', Zero or More times, not-greedy (wont eat the /)
(\/?) Capture Group $2 - '/' if it is there
> Match '>'
/i End Pattern - Case Insensitive
*/
$content = preg_replace( "/<([a-z][a-z0-9]+)[^>]*?(\/?)>/i", '<$1$2>', $content );
$content = str_replace( array( '<b>', '</b>', '<i>', '</i>' ), array( '<strong>', '</strong>', '<em>', '</em>' ), $content );
$data['post_content'] = $content;
// Auto generate title if it is empty:
if ( empty( $text_title ) ) {
$content_words = explode( ' ', $text_content );
$text_title = implode( ' ', array_slice( $content_words, 0, 4 ) );
$post->post_title = count( $content_words ) > 4 ? "$text_title …" : $text_title;
}
// Preparing Tweet:
$post_excerpt = strpos( $text_content, $text_title ) === false ? $text_title . '. ' . $text_content : $text_content;
$limit = has_post_thumbnail( $post ) ? 140 - 25 : 140;
if ( strlen( $post_excerpt ) > $limit ) {
preg_match_all( '#\bhttps?://[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/))#', $post_excerpt, $matches );
for ( $i = 0; $i < count( $matches[0] ); $i++ ) {
$post_excerpt = str_replace( $matches[0][$i], shorten_url( $matches[0][$i] ), $post_excerpt );
}
if ( strlen( $post_excerpt ) > $limit ) {
$post_excerpt = substr( $post_excerpt, 0, $limit - 25 );
$post_excerpt = substr( $post_excerpt, 0, strrpos( $post_excerpt, ' ' ) ) . '… ';
$permalink = get_permalink( $post );
$post_excerpt .= ( strlen( $post_excerpt ) + strlen( $permalink ) ) <= $limit ? $permalink : shorten_url( $permalink );
}
}
$post->post_excerpt = $post_excerpt;
// Update the post, which calls save_post again:
wp_update_post( $post );
}
}
return $data;
// Re-hook this function:
add_action( 'save_post', 'adapting_social_post', 1, 2 );
}
function shorten_url( $long_url ) {
$bitly_login = 'o_7sko9rcpp7';
$bitly_apikey = 'R_f414bf78d22443c6a6bad3c58921fd96';
$bitly_shorten = "http://api.bit.ly/v3/shorten?login=" . $bitly_login . "&apiKey=" . $bitly_apikey . "&longUrl=" . $long_url . "&format=json";
return json_decode( file_get_contents( $bitly_shorten ) )->data->url;
}
/*