link_type = $am_hili_options->link_type;
$this->cloak_page = $am_hili_options->cloak_page;
$this->max_insert_links = $am_hili_options->am_hili_max_insert_links;
$this->replace_keywords = $am_hili_options->am_hili_replace_keywords;
//enqueueing the required scripts for the hide type links
if ($this->link_type == "hide")
add_action( 'wp_enqueue_scripts', array($this, 'register_am_hili_js') );
//managing links in posts and widgets using shortcodes
add_filter( 'the_content', array($this, 'do_am_hili_auto_insert'), 11 );
add_filter( 'widget_text', 'shortcode_unautop');
add_filter( 'widget_text', 'do_shortcode' );
add_shortcode( 'amhili', array($this, 'am_hili_shortcode') );
}
/**
* Register scripts.
*/
public function register_am_hili_js() {
wp_enqueue_script( 'jquery' );
wp_enqueue_script('am_link_url_script',AM_HILI_URL.'/js/am-hili-url.js');
wp_enqueue_script('ajax-script',AM_HILI_URL.'/js/am-hili-web.js');
wp_localize_script( 'ajax-script', 'ajaxurl', admin_url( 'admin-ajax.php' ));
}
//function for shrtening the links using base64_encode for short type links
private function shorten($id){
$short = str_replace('=','',base64_encode($id));
return $short;
}
/*function do_amhili
handling affiliate links in the theme itself or shortcodes with no content*/
private function do_amhili($link_id,$showImage=false){
global $wpdb;
$content = "";
if($link_id and $hiliRow = $wpdb->get_row("select * from ".AM_HILI_LINKS." where active='yes' and (link_id='$link_id' or default_affiliate='yes') order by default_affiliate ASC")){
//handling affiliate link with attached image
if($showImage == true and trim($hiliRow->link_image)!='')
$amHiliContent = '
';
else
$amHiliContent = $hiliRow->link_text;
//handling the link
if ($this->link_type == "hide"){
$content = ''.trim($amHiliContent).'';
} else {
if($this->link_type == "cloak")
$hili_href = $this->cloak_page."/".trim(str_replace(' ','-',trim($hiliRow->link_text)));
else /*shortening the links*/
$hili_href = "!".$this->shorten($hiliRow->link_id);
$content = ''.trim($amHiliContent).'';
}
}
//returning the final link
return $content;
}
public function am_hili_shortcode( $atts, $content = null ) {
global $hili,$wpdb;
$link_text = "";
if (isset($atts['id']) and trim($atts['id'])!=""){
//handling shortcode with content
if ($content){
//getting the url from the content
preg_match('//si', $content, $matchedLink);
if(isset($matchedLink[0])){
$content = str_replace(array($matchedLink[0],''),'',$content);
$link_text = trim($content);
}
//checking if there is an image in the content
preg_match('/![]()
/si', $content, $image);
if (isset($image[0])){
$content = str_replace($image[0],'',$content);
}
//handling affiliate link if an url found in the content
if ($this->link_type == "hide"){
$content = ''.trim($content).'';
} else {
if($this->link_type == "cloak")
$hili_href = $this->cloak_page."/".trim(str_replace(' ','-',$link_text));
else
$hili_href = "!".$this->shorten($atts['id']);
$content = ''.trim($content).'';
}
}
else{
//let the function do_amhili handle the link if the shortcode has no content
$content = $this->do_amhili($atts['id'],isset($atts['image']) and trim($atts['image'])?true:false);
}
return $content;
}
//returning the final link
}
/*auto insert links*/
public function do_am_hili_auto_insert($content){
global $wpdb,$post;
//check if this post is excluded from auto isert
if (get_post_meta($post->ID, '_am_hili_exclude_post')){
return $content;
}
//get categories id for the current post
$hiliCats = array();
if ($categories = get_the_category($post->ID)){
foreach($categories as $cat)
$hiliCats[] = $cat->cat_ID;
}
$whr = "and (apply_on_categories = '' or apply_on_categories like '%,".implode(",%' or apply_on_categories like '%,",$hiliCats).",%')";
//link insert counter
$links_inserted = 0;
if($am_hili_links = $wpdb->get_results("select link_id,link_url,link_text,apply_on_categories,link_keywords from ".AM_HILI_LINKS." where active='yes' and link_keywords!='' $whr ORDER BY link_priority DESC")){
//adding space before and after the elements and the content itself to search for keywords from the first word to the last word of the content.
//the content will be trimed berore return it back
//search will be for words separeted by spaces to avoid keywords in images names of element names etc.
$content = " ".str_replace(array('>','<'),array('> ',' <'),$content)." ";
foreach ($am_hili_links as $am_hili_link){
//putting keywords in array
$link_keywords = explode(',',$am_hili_link->link_keywords);
if(count($link_keywords) >0){
foreach($link_keywords as $hili_keyword){
$hili_keyword = trim($hili_keyword);
//checking if there are matched keywords in this post
if (strstr($content,$hili_keyword)){
//inserting the links if keyword found
if ($this->link_type == "hide"){
$content = preg_replace('/'.$hili_keyword.'/',''.trim($hili_keyword).'',$content,$this->replace_keywords);
} else {
if($this->link_type == "cloak")
$hili_href = $this->cloak_page."/".trim(str_replace(' ','-',trim($am_hili_link->link_text)));
else
$hili_href = "!".$this->shorten($am_hili_link->link_id);
$content = preg_replace('/'.$hili_keyword.'/',''.trim($hili_keyword).'',$content,$this->replace_keywords);
}
$links_inserted++;
if ($links_inserted > $this->max_insert_links)
break;
}
}
}
}
}
//returning the content of the post with the auto inserted links
return trim($content);
}
/*end auto insert links*/
}