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<?php
defined( 'ABSPATH' ) || die( 'Cheatin\' uh?' );
abstract class SQ_Models_Abstract_Seo {
protected $_post;
protected $_author;
protected $_patterns;
protected $_sq_use;
public function __construct() {
$this->_post = SQ_Classes_ObjController::getClass( 'SQ_Models_Frontend' )->getPost();
$this->_sq_use = true;
}
/**
* Set the Post in SEO Class
*
* @param SQ_Models_Domain_Post $post
*/
public function setPost( $post ) {
$this->_post = $post;
}
/****************************
*
* CLEAR THE VALUES
*************************************/
/***********************************************************************************/
/**
* Clear and format the title for all languages
* Called from services hooks
*
* @param $title
*
* @return string
*/
public function clearTitle( $title ) {
return SQ_Classes_Helpers_Sanitize::clearTitle( $title );
}
/**
* Clear and format the description for all languages
* Called from services hooks
*
* @param $description
*
* @return mixed|string
*/
public function clearDescription( $description ) {
return SQ_Classes_Helpers_Sanitize::clearDescription( $description );
}
/**
* Clear the Keywords
* Called from services hooks
*
* @param $keywords
*
* @return mixed|null|string|string[]
*/
public function clearKeywords( $keywords ) {
if ( $keywords <> '' ) {
return SQ_Classes_Helpers_Sanitize::clearTitle( $keywords );
}
return $keywords;
}
/**
* Get the author
*
* @param string $what
*
* @return bool|mixed|string
*/
protected function getAuthor( $what = 'user_nicename' ) {
if ( ! isset( $this->_author ) ) {
if ( is_author() ) {
$this->_author = get_userdata( get_query_var( 'author' ) );
} elseif ( isset( $this->_post->post_author ) ) {
if ( $author = get_userdata( (int) $this->_post->post_author ) ) {
$this->_author = $author->data;
}
}
}
if ( isset( $this->_author ) && isset( $this->_author->$what ) ) {
if ( $what == 'user_url' && $this->_author->$what == '' ) {
return get_author_posts_url( $this->_author->ID, $this->_author->user_nicename );
}
return $this->_author->$what;
}
return false;
}
/**
* Get the image from post
*
* @param boolean $all take all the images or stop at the first one
*
* @return array
* @return array
*/
public function getPostImages( $all = false ) {
$images = array();
$title = $excerpt = '';
if ( ! isset( $this->_post->ID ) || (int) $this->_post->ID == 0 ) {
return $images;
}
if ( wp_attachment_is_image( $this->_post->ID ) ) {
$attachment = get_post( $this->_post->ID );
$title = ( ( isset( $attachment->post_title ) && strlen( $attachment->post_title ) > 10 ) ? $attachment->post_title : '' );
$excerpt = ( ( isset( $attachment->post_excerpt ) ? $attachment->post_excerpt : ( isset( $attachment->post_content ) ) ) ? $attachment->post_content : '' );
} elseif ( has_post_thumbnail( $this->_post->ID ) ) {
$attachment = get_post( get_post_thumbnail_id( $this->_post->ID ) );
$title = ( ( isset( $attachment->post_title ) && strlen( $attachment->post_title ) > 10 ) ? $attachment->post_title : '' );
$excerpt = ( ( isset( $attachment->post_excerpt ) ? $attachment->post_excerpt : ( isset( $attachment->post_content ) ) ) ? $attachment->post_content : '' );
}
if ( isset( $attachment->ID ) ) {
$url = wp_get_attachment_image_src( $attachment->ID, 'full' );
if ( isset( $url[0] ) ) {
$images[] = array(
'src' => esc_url( $url[0] ),
'title' => SQ_Classes_Helpers_Sanitize::clearTitle( $title ),
'description' => SQ_Classes_Helpers_Sanitize::clearDescription( $excerpt ),
'width' => $url[1],
'height' => $url[2],
);
}
}
if ( $all || empty( $images ) ) {
if ( isset( $this->_post->post_content ) ) {
preg_match( '/<img[^>]*src="([^"]*)"[^>]*>/i', $this->_post->post_content, $match );
if ( ! empty( $match ) ) {
preg_match( '/alt="([^"]*)"/i', $match[0], $alt );
if ( strpos( $match[1], '//' ) === false && strpos( $match[1], 'data:image' ) === false ) {
$match[1] = get_bloginfo( 'url' ) . $match[1];
} elseif ( strpos( $match[1], '//' ) === 0 ) {
$match[1] = ( SQ_SSL ? 'https:' : 'http:' ) . $match[1];
}
$images[] = array(
'src' => esc_url( $match[1] ),
'title' => SQ_Classes_Helpers_Sanitize::clearTitle( ! empty( $alt[1] ) ? $alt[1] : '' ),
'description' => '',
'width' => '500',
'height' => null,
);
}
}
}
return apply_filters( 'sq_post_images', $images );
}
/**
* @return mixed
*/
public function getImageType( $url = '' ) {
if ( $url == '' || strpos( $url, '.' ) === false ) {
return false;
}
$array = explode( '.', $url );
$extension = end( $array );
$types = array(
'gif' => 'image/gif',
'jpg' => 'image/jpeg',
'png' => 'image/png',
'bmp' => 'image/bmp',
'tiff' => 'image/tiff'
);
if ( array_key_exists( $extension, $types ) ) {
return $types[ $extension ];
}
return false;
}
/**
* Get the video from content
*
* @param boolean $all take all the videos or stop at the first one
*
* @return array|false
*/
public function getPostVideos( $all = false ) {
$videos = array();
$thumbnail = '';
if ( ! isset( $this->_post->ID ) || (int) $this->_post->ID == 0 ) {
return $videos;
}
$images = $this->getPostImages( true );
if ( ! empty( $images ) ) {
$image = current( $images );
if ( isset( $image['src'] ) ) {
$thumbnail = $image['src'];
}
}
if ( SQ_Classes_Helpers_Tools::isPluginInstalled( 'advanced-custom-fields/acf.php' ) ) {
if ( isset( $this->_post->ID ) && $this->_post->ID ) {
if ( $_sq_video = get_post_meta( $this->_post->ID, '_sq_video', true ) ) {
//get the image from the YouTube video
preg_match( '/(?:http(?:s)?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:watch\?v=))([^&\"\'<>\s]+)/i', $_sq_video, $match );
if ( isset( $match[1] ) && $match[1] <> '' ) {
$thumbnail = 'https://img.youtube.com/vi/' . $match[1] . '/hqdefault.jpg';
}
$videos[] = array(
'thumbnail' => $thumbnail,
'src' => esc_url( $_sq_video ),
);
}
}
}
//return first video found
if ( ! $all && ! empty( $videos ) ) {
return $videos;
}
if ( isset( $this->_post->post_content ) ) {
preg_match( '/(?:http(?:s)?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed)\/)([^\?&\"\'<>\s]+)/i', $this->_post->post_content, $match );
if ( isset( $match[0] ) ) {
if ( strpos( $match[0], '//' ) !== false && strpos( $match[0], 'http' ) === false ) {
$match[0] = 'https:' . $match[0];
}
$videos[] = array(
'thumbnail' => $thumbnail,
'src' => esc_url( $match[0] ),
);
}
//return first video found
if ( ! $all && ! empty( $videos ) ) {
return $videos;
}
preg_match_all( '/(?:http(?:s)?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:watch\?v=))([^&\"\'\<>\s]+)/i', $this->_post->post_content, $matches, PREG_SET_ORDER );
if ( ! empty( $matches ) ) {
foreach ( $matches as $match ) {
if ( isset( $match[0] ) ) {
if ( isset( $match[1] ) && $match[1] <> '' ) {
$thumbnail = 'https://img.youtube.com/vi/' . $match[1] . '/hqdefault.jpg';
$videos[ md5( $match[1] ) ] = array(
'thumbnail' => $thumbnail,
'src' => 'https://www.youtube.com/embed/' . $match[1],
);
}
}
}
//reset videos array keys
if ( ! empty( $videos ) ) {
$videos = array_values( $videos );
}
}
//return first video found
if ( ! $all && ! empty( $videos ) ) {
return $videos;
}
preg_match( '/(?:http(?:s)?:\/\/)?(?:fwd4\.wistia\.com\/(?:medias)\/)([^\?&\"\'<>\s]+)/i', $this->_post->post_content, $match );
if ( isset( $match[0] ) ) {
$videos[] = array(
'thumbnail' => $thumbnail,
'src' => esc_url( 'https://fast.wistia.net/embed/iframe/' . $match[1] ),
);
}
//return first video found
if ( ! $all && ! empty( $videos ) ) {
return $videos;
}
preg_match( '/class=["|\']([^"\']*wistia_async_([^\?&\"\'<>\s]+)[^"\']*["|\'])/i', $this->_post->post_content, $match );
if ( isset( $match[0] ) ) {
$videos[] = array(
'thumbnail' => $thumbnail,
'src' => esc_url( 'https://fast.wistia.net/embed/iframe/' . $match[2] ),
);
}
//return first video found
if ( ! $all && ! empty( $videos ) ) {
return $videos;
}
preg_match( '/src=["|\']([^"\']*(.mpg|.mpeg|.mp4|.mov|.wmv|.asf|.avi|.ra|.ram|.rm|.flv)["|\'])/i', $this->_post->post_content, $match );
if ( isset( $match[1] ) ) {
$videos[] = array(
'thumbnail' => $thumbnail,
'src' => esc_url( $match[1] ),
);
}
}
return apply_filters( 'sq_post_videos', $videos );
}
/**
* Check if is the homepage
*
* @return bool
*/
public function isHomePage() {
return SQ_Classes_ObjController::getClass( 'SQ_Models_Frontend' )->isHomePage();
}
/**
* Get the current post from Frontend
*
* @return SQ_Models_Domain_Post
*/
public function getPost() {
return SQ_Classes_ObjController::getClass( 'SQ_Models_Frontend' )->getPost();
}
public function returnFalse() {
return false;
}
public function truncate( $text, $min = 100, $max = 110 ) {
return SQ_Classes_Helpers_Sanitize::truncate( $text, $min, $max );
}
}