File includes/classes/class-wcal-templates-table.php

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<?php 

// Load WP_List_Table if not loaded
if ( ! class_exists( 'WP_List_Table' ) ) {
    require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
}
/**
 * Abandoned Cart Lite for WooCommerce
 *
 * It will handle the common action for the plugin.
 *
 * @author  Tyche Softwares
 * @package Abandoned-Cart-Lite-for-WooCommerce/Admin/List-Class
 * @since 2.5.2
 */

class WCAL_Templates_Table extends WP_List_Table {

    /**
     * Number of results to show per page
     *
     * @var string
     * @since 2.5.2
     */
    public $per_page = 30;

    /**
     * URL of this page
     *
     * @var string
     * @since 2.5.2
     */
    public $base_url;

    /**
     * Total number of email templates
     *
     * @var int
     * @since 2.5.3
     */
    public $total_count;
    
    /**
     * It will add the bulk action function and other variable needed for the class.
     *
     * @see WP_List_Table::__construct()
     * @since 2.5.2
     */
    public function __construct() {
        global $status, $page;
        // Set parent defaults
        parent::__construct( array(
                'singular' => __( 'template_id', 'woocommerce-abandoned-cart' ), //singular name of the listed records
                'plural'   => __( 'template_ids', 'woocommerce-abandoned-cart' ), //plural name of the listed records
                'ajax'     => false                         // Does this table support ajax?
        ) );
        $this->process_bulk_action();
        $this->base_url = admin_url( 'admin.php?page=woocommerce_ac_page&action=emailtemplates' );
    }
    
    /**
     * It will prepare the list of the templates, like columns, pagination, sortable column, all data.
     * @since 2.5.2
     */
    public function wcal_templates_prepare_items() {
        $columns  = $this->get_columns();
        $hidden   = array(); // No hidden columns
        $sortable = $this->templates_get_sortable_columns();
        $data     = $this->wcal_templates_data();
        
        $this->_column_headers = array( $columns, $hidden, $sortable );
        $total_items           = $this->total_count;
        $this->items           = $data;
        
        $this->set_pagination_args( array(
                'total_items' => $total_items,                      // WE have to calculate the total number of items
                'per_page'    => $this->per_page,                       // WE have to determine how many items to show on a page
                'total_pages' => ceil( $total_items / $this->per_page )   // WE have to calculate the total number of pages
              )
        );
    }
    
    /**
     * It will add the columns templates list.
     * @return array $columns All columns name.
     * @since 2.5.2
     */
    public function get_columns() {     
        $columns = array(
                'cb'            => '<input type="checkbox" />',
                'sr'            => __( 'Sr', 'woocommerce-abandoned-cart' ),
                'template_name' => __( 'Name Of Template', 'woocommerce-abandoned-cart' ),
                'sent_time'     => __( 'Sent After Set Time', 'woocommerce-abandoned-cart' ),
                'activate'      => __( 'Active ?', 'woocommerce-abandoned-cart' )           
        );      
       return apply_filters( 'wcal_templates_columns', $columns );
    }   
    /**
     * It is used to add the check box for the items.
     * @param string $item  
     * @return string 
     * @since 2.5.2
     */
    function column_cb( $item ) {       
        $template_id = '';
        if( isset( $item->id ) && "" != $item->id ) {
           $template_id = $item->id; 
        }
        return sprintf(
            '<input type="checkbox" name="%1$s[]" value="%2$s" />',
            'template_id',
            $template_id
        );
    }
    
    /**
     * We can mention on which column we need the sorting. Here we have template name, email sent time
     * @return array $columns Name of the column
     * @since 2.5.2
     */
    public function templates_get_sortable_columns() {
        $columns = array(
                'template_name' => array( 'template_name', false ),
                'sent_time'     => array( 'sent_time',false),
        );
        return apply_filters( 'wcal_templates_sortable_columns', $columns );
    }
    
    /**
     * It will add the hover link on the template name. 
     * This function used for individual delete, edit of row.
     * @since 2.5.2
     * @param array $template_row_info Contains all the data of the template row 
     * @return string $value All hover links, here we have edit and delete
     * 
     */
    public function column_template_name( $template_row_info ) {    
        $row_actions = array();
        $value = '';
        $template_id = 0;
        if( isset( $template_row_info->template_name ) ) {      
            $template_id = $template_row_info->id ; 
            
            $row_actions['edit']   = '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'emailtemplates', 'mode'=>'edittemplate', 'id' => $template_row_info->id ), $this->base_url ), 'abandoned_order_nonce') . '">' . __( 'Edit', 'woocommerce-abandoned-cart' ) . '</a>';
            $row_actions['delete'] = '<a href="' . wp_nonce_url( add_query_arg( array( 'action' => 'wcal_delete_template', 'template_id' => $template_row_info->id ), $this->base_url ), 'abandoned_order_nonce') . '">' . __( 'Delete', 'woocommerce-abandoned-cart' ) . '</a>';
            
            $email = $template_row_info->template_name;
            $value = $email . $this->row_actions( $row_actions );       
        }   
    return apply_filters( 'wcal_template_single_column', $value, $template_id, 'email' );
    }
    
    /**
     * It will generate the templates list data.
     * @globals mixed $wpdb
     * @return array $return_templates_data_display Key and value of all the columns
     * @since 2.5.2
     */
    public function wcal_templates_data() { 
        global $wpdb;           
        $return_templates_data = array();
        $per_page              = $this->per_page;
        $results               = array();        
        $query                 = "SELECT wpet . * FROM `" . $wpdb->prefix . "ac_email_templates_lite` AS wpet ORDER BY day_or_hour desc , frequency asc";
        $results               = $wpdb->get_results( $query );      
        $i = 0; 
                
        foreach ( $results as $key => $value ) {               
            $return_templates_data[$i] = new stdClass();                                              
            $id                        = $value->id;                
            $query_no_emails           = "SELECT * FROM " . $wpdb->prefix . "ac_sent_history_lite WHERE template_id= %d";
            $subject                   = $value->subject;
            $body                      = $value->body;
            $is_active                 = $value->is_active;
        
            if ( $is_active == '1' ) {
                $active = "Deactivate";
            } else {
                $active = "Activate";
            }
            $frequency                                  = $value->frequency;
            $day_or_hour                                = $value->day_or_hour;              
            $return_templates_data[ $i ]->sr            = $i+1;
            $return_templates_data[ $i ]->id            = $id;
            $return_templates_data[ $i ]->template_name = $value->template_name;
            $return_templates_data[ $i ]->sent_time     = __( $frequency . " " . $day_or_hour . "After Abandonment", 'woocommerce-abandoned-cart' );
            $return_templates_data[ $i ]->activate      = $active;
            $return_templates_data[ $i ]->is_active     = $is_active;
            $i++;                           
        }
        $templates_count   = count( $return_templates_data );
        $this->total_count = $templates_count;
        // sort for order date
         if( isset( $_GET['orderby'] ) && $_GET['orderby'] == 'template_name' ) {
            if( isset($_GET['order'] ) && $_GET['order'] == 'asc' ) {
                usort( $return_templates_data, array( __CLASS__ , "wcal_class_template_name_asc" ) ); 
            } else {
                usort( $return_templates_data, array( __CLASS__ , "wcal_class_template_name_dsc") );
            }
        }
        // sort for customer name
        else if ( isset( $_GET['orderby']) && $_GET['orderby'] == 'sent_time' ) {
            if ( isset( $_GET['order'] ) && $_GET['order'] == 'asc' ) {
                    usort( $return_templates_data, array( __CLASS__ , "wcal_class_sent_time_asc" ) );
            } else {
                usort( $return_templates_data, array( __CLASS__ , "wcal_class_sent_time_dsc" ) );
            }
        }
        // Pagination per page
        if( isset( $_GET['paged'] ) && $_GET['paged'] > 1 ) {
            $page_number = $_GET['paged'] - 1;
            $k = $per_page * $page_number;
        } else {
            $k = 0;
        }
        $return_templates_data_display = array();
        for( $j = $k; $j < ( $k+$per_page ); $j++ ) {
            if( isset( $return_templates_data[$j] ) ) {
                $return_templates_data_display[$j] = $return_templates_data[$j];
            } else {
                break;
            }
        }
        
    return apply_filters( 'wcal_templates_table_data', $return_templates_data_display );
    }
    
    /**
     * It will sort the data alphabetally ascending on the template name.
     * @param array | object $value1 All data of the list
     * @param array | object $value2 All data of the list
     * @return sorted array  
     * @since 2.5.2
     */
    function wcal_class_template_name_asc( $value1,$value2 ) {
        return strcasecmp( $value1->template_name,$value2->template_name );
    }
    
    /**
     * It will sort the data alphabetally descending on the template name.
     * @param array | object $value1 All data of the list
     * @param array | object $value2 All data of the list
     * @return sorted array  
     * @since 2.5.2
     */
    function wcal_class_template_name_dsc( $value1,$value2 ) {
        return strcasecmp( $value2->template_name,$value1->template_name );
    }
    
    /**
     * It will sort the data alphanumeric ascending on the template time.
     * @param array | object $value1 All data of the list
     * @param array | object $value2 All data of the list
     * @return sorted array  
     * @since 2.5.2
     */
    function wcal_class_sent_time_asc( $value1,$value2 ) {
        return strnatcasecmp( $value1->sent_time,$value2->sent_time );
    }
    
    /**
     * It will sort the data alphanumeric descending on the template time.
     * @param array | object $value1 All data of the list
     * @param array | object $value2 All data of the list
     * @return sorted array  
     * @since 2.5.2
     */
    function wcal_class_sent_time_dsc( $value1,$value2 ) {
        return strnatcasecmp( $value2->sent_time,$value1->sent_time );
    }
    
    /**
     * It will display the data for the templates list
     * @param array | object $wcal_abandoned_orders All data of the list
     * @param stirng $column_name Name of the column
     * @return string $value Data of the column
     * @since 2.5.2
     */
    public function column_default( $wcal_abandoned_orders, $column_name ) {
        $value = '';
        switch ( $column_name ) {          
            case 'sr' :
                if( isset( $wcal_abandoned_orders->sr ) ) {
                    $value = $wcal_abandoned_orders->sr;
                }
                break;              
            case 'template_name' :
                if( isset( $wcal_abandoned_orders->template_name ) ) {
                    $value = $wcal_abandoned_orders->template_name;
                }
                break;          
            case 'sent_time' :
                if( isset( $wcal_abandoned_orders->sent_time ) ) {
                   $value = $wcal_abandoned_orders->sent_time;
                }
                break;          
            case 'activate' :
                if( isset( $wcal_abandoned_orders->activate ) ) {                  
                   $active    = $wcal_abandoned_orders->activate;
                   $id        = $wcal_abandoned_orders->id;
                   $is_active = $wcal_abandoned_orders->is_active;                 
                   $active    = ''; 
                   if ( $is_active == '1' ) {
                       $active = "on";
                   } else {
                       $active = "off";
                   }
                   $active_text   = __( $active, 'woocommerce-abandoned-cart' ); 
                   //$value   = '<a href="#" onclick="wcal_activate_email_template('. $id.', '.$is_active.' )"> '.$active_text.'</a>';              
                   $value =  '<button type="button" class="wcal-switch wcal-toggle-template-status" '
                    . 'wcal-template-id="'. $id .'" '
                    . 'wcal-template-switch="'. ( $active ) . '">'
                    . $active_text . '</button>';      
                }
                break;          
            default:                
                $value = isset( $wcal_abandoned_orders->$column_name ) ? $wcal_abandoned_orders->$column_name : '';
                break;
        }       
    return apply_filters( 'wcal_template_column_default', $value, $wcal_abandoned_orders, $column_name );
    }
    
    /**
     * It will add the bulk action, here Delete
     * @return array
     * @since 2.5.2
     */
    public function get_bulk_actions() {
        return array(
            'wcal_delete_template' => __( 'Delete', 'woocommerce-abandoned-cart' )
        );
    }
}
?>

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