ID ); if ( $post_id < 1 ) return; $companies = get_post_meta( $post_id, 'angellist-companies', true ); if ( empty( $companies ) ) return; $this->company_ids = array(); foreach ( $companies as $company ) { if ( array_key_exists( 'id', $company ) ) $this->company_ids[] = absint( $company['id'] ); } unset( $companies ); // this should not happen if ( empty( $this->company_ids ) ) return; add_action( 'wp_head', array( &$this, 'enqueue_styles' ), 1 ); add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) ); add_filter( 'the_content', array( &$this, 'content' ), 12 ); } /** * Queue a stylesheet for AngelList company content * * @since 1.0 * @uses wp_enqueue_style() */ public function enqueue_styles() { wp_enqueue_style( 'angellist-companies', plugins_url( 'static/css/angellist-companies.css', __FILE__ ), array(), '1.2' ); } /** * Queue scripts in footer * * @since 1.1 * @uses wp_enqueue_script() */ public function enqueue_scripts() { wp_enqueue_script( 'jquery', is_ssl() ? 'https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js' : 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js', array(), null, true ); wp_enqueue_script( 'angellist', plugins_url( 'static/js/angellist' . ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG === true ? '.dev' : '' ) . '.js', __FILE__ ), array( 'jquery' ), '1.2', true ); } /** * Build a cache key * * @since 1.0 * @param int $post_id post identifier * @param bool $ssl specify SSL for HTTPS external assets * @return string cache key */ public static function cache_key( $post_id, $ssl=false ) { $cache_key_parts = array( 'angellist-companies', 'v1.2' ); // differentiate between posts on different sites if ( is_multisite() ) { $blog_id = absint( get_current_blog_id() ); if ( $blog_id > 0 ) $cache_key_parts[] = 's' . $blog_id; unset( $blog_id ); } $cache_key_parts[] = 'p' . $post_id; if ( $ssl ) $cache_key_parts[] = 'ssl'; return implode( '-', $cache_key_parts ); } /** * Generate new AngelList content * * @since 1.0 * @param array $company_ids AngelList company identifiers * @return string HTML markup */ public static function generate_content( array $company_ids ) { if ( empty( $company_ids ) ) return ''; $html = ''; if ( ! class_exists( 'AngelList_Company' ) ) require_once( dirname( __FILE__ ) . '/templates/company.php' ); foreach ( $company_ids as $company_id ) { $company = new AngelList_Company( $company_id ); if ( isset( $company->html ) ) $html .= $company->html; else if ( ! isset( $company->name ) || ! isset( $company->profile_url ) ) continue; else $html .= $company->render(); } if ( $html ) $html = '

' . $html . '

'; return $html; } /** * Append AngelList content to post content * * @since 1.0 * @param string post content * @return string post content with AngelList content appended */ public function content( $content ) { global $post; if ( ! ( isset( $post ) && $content && isset( $this->company_ids ) && is_array( $this->company_ids ) ) ) return $content; $post_id = absint( $post->ID ); if ( $post_id < 1 ) return $content; $cache_key = AngelList_Content::cache_key( $post_id, is_ssl() ); $angellist_content = get_transient( $cache_key ); if ( empty( $angellist_content ) ) { $angellist_content = AngelList_Content::generate_content( $this->company_ids ); // store markup for one hour. // speeds up page generation, takes heat off the AngelList API server if ( $angellist_content ) set_transient( $cache_key, $angellist_content, 3600 ); } unset( $cache_key ); // add a newline to separate new content from the last line of a post // avoids possible errors with oEmbed or other single-line detected content on the last line when priority < 10 if ( $angellist_content ) return $content . "\n" . $angellist_content; return $content; } } ?>