/**
* Linkify @usernames, #hashtags and t.co links, then return text
*
* @param object $tweet a Tweet object (json_decoded result of https://dev.twitter.com/docs/platform-objects/tweets)
* @return string formatted tweet
*/
function ozh_ta_linkify_tweet($tweet)
{
global $ozh_ta;
$text = $tweet->text;
// Linkify twitter names if applicable
if (isset($tweet->entities->user_mentions) && ($mentions = $tweet->entities->user_mentions)) {
foreach ($mentions as $mention) {
$screen_name = $mention->screen_name;
$name = $mention->name;
$text = ozh_ta_convert_mentions($text, $screen_name, $name);
}
}
// un-t.co links if applicable
if (isset($tweet->entities->urls) && ($urls = $tweet->entities->urls)) {
foreach ($urls as $url) {
$expanded_url = $url->expanded_url;
$display_url = $url->display_url;
$tco_url = $url->url;
$text = ozh_ta_convert_links($text, $expanded_url, $display_url, $tco_url);
}
}
// hashtag links if applicable
if (isset($tweet->entities->hashtags) && ($hashes = $tweet->entities->hashtags)) {
foreach ($hashes as $hash) {
$hash_text = $hash->text;
$text = ozh_ta_convert_hashtags($text, $hash_text);
}
}
// embed images if applicable. This operation shall be the last one
if (isset($tweet->extended_entities->media) && ($medias = $tweet->extended_entities->media)) {
foreach ($medias as $media) {
$media_url = $media->media_url_https;
$display_url = $media->display_url;
$expanded_url = $media->expanded_url;
$tco_url = $media->url;
// Convert links
if ($ozh_ta['un_tco'] == 'yes') {
$replace = sprintf('<a href="%s" title="%s" class="link link_untco link_untco_image">%s</a>', $expanded_url, $expanded_url, $display_url);
} else {
$replace = sprintf('<a href="%s" class="link link_tco link_tco_image">%s</a>', $tco_url, $tco_url);
}
// Add image
if ($ozh_ta['embed_images'] == 'yes') {
$insert = sprintf('<span class="embed_image embed_image_yes"><a href="%s"><img src="%s" /></a></span>', $expanded_url, $media_url);
} else {
$insert = '';
}
$text = preg_replace('!' . $tco_url . '!', $replace, $text, 1);
$text .= $insert;
}
}
return $text;
}
function ozh_ta_convert_old_posts($text)
{
// Has this post already been converted? Assuming a span means already formatted
if (strpos($text, '<span class="') !== false) {
return $text;
}
global $ozh_ta;
// Get unformatted title: this will be the unmodified original tweet -- pure text, no HTML
global $post;
$title = $post->post_title;
$ID = $post->ID;
// Keep track of whether the post has been formatted
$updated = false;
// Tweet has links that have not been converted
if ((strpos($title, 'http://') !== false or strpos($title, 'https://') !== false) && strpos($text, 'class="link') === false) {
preg_match_all('!https?://\\S*!', $title, $matches);
foreach ($matches[0] as $url) {
// t.co URL ?
if ($ozh_ta['un_tco'] == 'yes' && strpos($url, 'http://t.co/') === 0) {
$expanded_url = ozh_ta_expand_tco_url($url);
$tco_url = $url;
} else {
$expanded_url = $tco_url = $url;
}
$display_url = ozh_ta_trim_long_string(preg_replace('/https?:\\/\\//', '', $expanded_url));
$text = ozh_ta_convert_links($text, $expanded_url, $display_url, $tco_url);
}
$updated = true;
}
// Tweet has @mentions that have not been converted
if (strpos($title, '@') !== false && strpos($text, 'class="username') === false) {
preg_match_all('/\\B@(\\w+)/', $title, $matches);
// good news, this won't match joe@site.com
if (isset($matches[1])) {
foreach ($matches[1] as $mention) {
$text = ozh_ta_convert_mentions($text, $mention, $mention);
}
}
$updated = true;
}
// Tweet has #hashtags that have not been converted
if (strpos($title, '#') !== false && strpos($text, 'class="hashtag') === false) {
preg_match_all('/\\B#(\\w*[a-zA-Z-]+\\w*)/', $text, $matches);
if (isset($matches[1])) {
foreach ($matches[1] as $tag) {
$text = ozh_ta_convert_hashtags($text, $tag);
}
if ($ozh_ta['add_hash_as_tags'] == 'yes') {
wp_set_post_tags($ID, implode(', ', $matches[1]));
}
}
$updated = true;
}
// Did we alter the post? Update it, then
if ($updated) {
$post->post_content = $text;
wp_update_post($post);
}
return $text;
}
