<?php
// SendPress Required Class: SendPress_Subscribers_Table

// Prevent loading this file directly
if ( !defined('SENDPRESS_VERSION') ) {
    header('HTTP/1.0 403 Forbidden');
    die;
}

/************************** CREATE A PACKAGE CLASS *****************************
 *******************************************************************************
 * Create a new list table package that extends the core WP_List_Table class.
 * WP_List_Table contains most of the framework for generating the table, but we
 * need to define and override some methods so that our data can be displayed
 * exactly the way we need it to be.
 * 
 * To display this example on a page, you will first need to instantiate the class,
 * then call $yourInstance->prepare_items() to handle any data manipulation, then
 * finally call $yourInstance->display() to render the table to the page.
 * 
 * Our theme for this list table is going to be movies.
 */
class SendPress_Subscribers_Table extends WP_List_Table {
    
    /** ************************************************************************
     * Normally we would be querying data from a database and manipulating that
     * for use in your list table. For this example, we're going to simplify it
     * slightly and create a pre-built array. Think of this as the data that might
     * be returned by $wpdb->query().
     * 
     * @var array 
     **************************************************************************/
   
    private $_sendpress = '';
   
    /** ************************************************************************
     * REQUIRED. Set up a constructor that references the parent constructor. We 
     * use the parent reference to set some default configs.
     ***************************************************************************/
    function __construct(){
        global $status, $page;
                
        $this->_sendpress = new SendPress();
        //Set parent defaults
        parent::__construct( array(
            'singular'  => 'subscriber',     //singular name of the listed records
            'plural'    => 'subscribers',    //plural name of the listed records
            'ajax'      => false        //does this table support ajax?
        ) );
        
    }
    
    
    /** ************************************************************************
     * Recommended. This method is called when the parent class can't find a method
     * specifically build for a given column. Generally, it's recommended to include
     * one method for each column you want to render, keeping your package class
     * neat and organized. For example, if the class needs to process a column
     * named 'title', it would first see if a method named $this->column_title() 
     * exists - if it does, that method will be used. If it doesn't, this one will
     * be used. Generally, you should try to use custom column methods as much as 
     * possible. 
     * 
     * Since we have defined a column_title() method later on, this method doesn't
     * need to concern itself with any column with a name of 'title'. Instead, it
     * needs to handle everything else.
     * 
     * For more detailed insight into how columns are handled, take a look at 
     * WP_List_Table::single_row_columns()
     * 
     * @param array $item A singular item (one full row's worth of data)
     * @param array $column_name The name/slug of the column to be processed
     * @return string Text or HTML to be placed inside the column <td>
     **************************************************************************/
    function column_default($item, $column_name){
        switch($column_name){
            case 'firstname':
            case 'lastname':
                return $item->$column_name;
            case 'phonenumber':
                return $item->$column_name;
            case 'salutation':
                return $item->$column_name;
            case 'status':
               return $item->$column_name;
            case 'gravatar':
                return get_avatar($item->email, 30);
            case 'joindate':
                 return date_i18n(get_option('date_format') , strtotime( $item->join_date ) );
           
            default:
                return print_r($item,true); //Show the whole array for troubleshooting purposes
        }
    }
    
        
    /** ************************************************************************
     * Recommended. This is a custom column method and is responsible for what
     * is rendered in any column with a name/slug of 'title'. Every time the class
     * needs to render a column, it first looks for a method named 
     * column_{$column_title} - if it exists, that method is run. If it doesn't
     * exist, column_default() is called instead.
     * 
     * This example also illustrates how to implement rollover actions. Actions
     * should be an associative array formatted as 'slug'=>'link html' - and you
     * will need to generate the URLs yourself. You could even ensure the links
     * 
     * 
     * @see WP_List_Table::::single_row_columns()
     * @param array $item A singular item (one full row's worth of data)
     * @return string Text to be placed inside the column <td> (movie title only)
     **************************************************************************/
    function column_title($item){
        $l = null;
        $l = SPNL()->validate->_int('listID');
        //Build row actions
        $actions = array(
            'edit'      => sprintf('<a href="?page=%s&view=%s&subscriberID=%s&listID=%s">Edit</a>',SPNL()->validate->page(),'subscriber',$item->subscriberID, $l ),
            'delete'    => sprintf('<a href="?page=%s&action=%s&subscriberID=%s&listID=%s">Delete</a>',SPNL()->validate->page(),'delete-subscriber',$item->subscriberID, $l ),
        );
        
        //Return the title contents
        return sprintf('%1$s <span style="color:silver">(id:%2$s)</span>%3$s',
            /*$1%s*/ $item->email,
            /*$2%s*/ $item->subscriberID,
            /*$3%s*/ $this->row_actions($actions)
        );
    }
    
    /** ************************************************************************
     * REQUIRED if displaying checkboxes or using bulk actions! The 'cb' column
     * is given special treatment when columns are processed. It ALWAYS needs to
     * have it's own method.
     * 
     * @see WP_List_Table::::single_row_columns()
     * @param array $item A singular item (one full row's worth of data)
     * @return string Text to be placed inside the column <td> (movie title only)
     **************************************************************************/
    function column_cb($item){
        return sprintf(
            '<input type="checkbox" name="%1$s[]" value="%2$s" />',
            /*$1%s*/ $this->_args['singular'],  //Let's simply repurpose the table's singular label ("movie")
            /*$2%s*/ $item->subscriberID                //The value of the checkbox should be the record's id
        );
    }
    
    
    /** ************************************************************************
     * REQUIRED! This method dictates the table's columns and titles. This should
     * return an array where the key is the column slug (and class) and the value 
     * is the column's title text. If you need a checkbox for bulk actions, refer
     * to the $columns array below.
     * 
     * The 'cb' column is treated differently than the rest. If including a checkbox
     * column in your table you must create a column_cb() method. If you don't need
     * bulk actions or checkboxes, simply leave the 'cb' entry out of your array.
     * 
     * @see WP_List_Table::::single_row_columns()
     * @return array An associative array containing column information: 'slugs'=>'Visible Titles'
     **************************************************************************/
    function get_columns(){
       
        $columns = array(
            'cb'        => '<input type="checkbox" />', //Render a checkbox instead of text
            'gravatar' => '',
            'title' => 'Email',
            'firstname' => 'First Name',
            'lastname' => 'Last Name',
            //'phonenumber' => 'Phone Number',
            //'salutation' => 'Salutation',
            'status' => 'Status',
            'joindate' => 'Date Joined'
            //'count_subscribers' => 'Subscribers'

            
        );
        return $columns;
    }
    
    /** ************************************************************************
     * Optional. If you want one or more columns to be sortable (ASC/DESC toggle), 
     * you will need to register it here. This should return an array where the 
     * key is the column that needs to be sortable, and the value is db column to 
     * sort by. Often, the key and value will be the same, but this is not always
     * the case (as the value is a column name from the database, not the list table).
     * 
     * This method merely defines which columns should be sortable and makes them
     * clickable - it does not handle the actual sorting. You still need to detect
     * the ORDERBY and ORDER querystring variables within prepare_items() and sort
     * your data accordingly (usually by modifying your query).
     * 
     * @return array An associative array containing all the columns that should be sortable: 'slugs'=>array('data_values',bool)
     **************************************************************************/
    function get_sortable_columns() {
        $sortable_columns = array(
            'title' =>array('email',true), 
            'firstname' =>array('firstname',false),
            'lastname' =>array('lastname',false), 
            'phonenumber' =>array('phonenumber', false),
            'salutation' =>array('salutation', false),
             //'status' =>array('status',false), 
             'joindate' =>array('join_date',false),   //true means its already sorted
            /*
            'rating'    => array('rating',false),
            'director'  => array('director',false)
            */
        );
        return $sortable_columns;
    }
    
    
    /** ************************************************************************
     * Optional. If you need to include bulk actions in your list table, this is
     * the place to define them. Bulk actions are an associative array in the format
     * 'slug'=>'Visible Title'
     * 
     * If this method returns an empty value, no bulk action will be rendered. If
     * you specify any bulk actions, the bulk actions box will be rendered with
     * the table automatically on display().
     * 
     * Also note that list tables are not automatically wrapped in <form> elements,
     * so you will need to create those manually in order for bulk actions to function.
     * 
     * @return array An associative array containing all the bulk actions: 'slugs'=>'Visible Titles'
     **************************************************************************/
    function get_bulk_actions() {
        $actions = array(
            'delete-subscribers-bulk'    => 'Delete'
        );
        return $actions;
    }
    
    
    /** ************************************************************************
     * Optional. You can handle your bulk actions anywhere or anyhow you prefer.
     * For this example package, we will handle it in the class to keep things
     * clean and organized.
     * 
     * @see $this->prepare_items()
     **************************************************************************/
    function process_bulk_action() {
        
        //Detect when a bulk action is being triggered...
        if( 'delete' === $this->current_action() ) {
            wp_die('Items deleted (or they would be if we had items to delete)!');
        }
        
    }
     function email_finder(){
        echo "<input type='text' value='' name='qs' />";
    }
    function email_count(){
        echo '<select name="page_count">';
        $counts = array(10,25,50,100);
        foreach ($counts as $list) {
            $cls = '';
            if(SPNL()->validate->_int('page_count') == $list){
                $cls = " selected='selected' ";
            }

           echo "<option $cls value='".$list."'>".$list." Rows</option>";
        }
        echo '</select> ';
    }

    function status_select(){
        $info = SendPress_Data::get_statuses();
        echo '<select name="statusid">';
        echo "<option cls value='-1' >Any Status</option>";
        foreach ($info as $list) {
            $cls = '';
            if( SPNL()->validate->_int('statusid') == $list->statusid){
                $cls = " selected='selected' ";
            }

           echo "<option $cls value='".$list->statusid."'>".$list->status."</option>";
        }

        
        echo '</select> ';
    }
    function extra_tablenav( $which ) {
        global $cat;
?>
        <div class="alignleft actions">
<?php
        if ( 'top' == $which && !is_singular() ) {

           $this->status_select();
            $this->email_count();
              submit_button( __( 'Apply' ), 'button', false, false, array( 'id' => 'post-query-submit' ) );
           $this->email_finder();
           submit_button( __( 'Filter' ), 'button', false, false, array( 'id' => 'post-query-submit' ) );
        }

        
?>
        </div>
<?php
    }
    
    
    
    /** ************************************************************************
     * REQUIRED! This is where you prepare your data for display. This method will
     * usually be used to query the database, sort and filter the data, and generally
     * get it ready to be displayed. At a minimum, we should set $this->items and
     * $this->set_pagination_args(), although the following properties and methods
     * are frequently interacted with here...
     * 
     * @uses $this->_column_headers
     * @uses $this->items
     * @uses $this->get_columns()
     * @uses $this->get_sortable_columns()
     * @uses $this->get_pagenum()
     * @uses $this->set_pagination_args()
     **************************************************************************/
    function prepare_items() {
        global $wpdb, $_wp_column_headers;
        $screen = get_current_screen();
        $sp_validate = SPNL()->validate;
          /*      
        select t1.* from `sp_sendpress_list_subscribers` as t1 , `sp_sendpress_subscribers` as t2
        where t1.subscriberID = t2.subscriberID and t1.listID = 2*/


        $list_id = $sp_validate->_int('listID');
        /* -- Preparing your query -- */
        if($list_id > 0){
            $query = "SELECT t1.*, t3.status FROM " .  SendPress_Data::subscriber_table() ." as t1,". SendPress_Data::list_subcribers_table()." as t2,". SendPress_Data::subscriber_status_table()." as t3";

        
            $query .= $wpdb->prepare(" WHERE (t1.subscriberID = t2.subscriberID) AND (t2.status = t3.statusid ) AND (t2.listID =  %d)", $list_id);
        } else {
            $query = "SELECT t1.*, t3.status FROM " .  SendPress_Data::subscriber_table() ." as t1,". SendPress_Data::list_subcribers_table()." as t2,". SendPress_Data::subscriber_status_table()." as t3";
             $query .= " WHERE (t1.subscriberID = t2.subscriberID) AND (t2.status = t3.statusid ) ";
        }
        /* -- Ordering parameters -- */
        //Parameters that are going to be used to order the result
       
        

       
          $query_count = "SELECT count(*) FROM " .  SendPress_Data::subscriber_table() ." as t1,". SendPress_Data::list_subcribers_table()." as t2,". SendPress_Data::subscriber_status_table()." as t3";

        if(  $list_id > 0 ){
            $query_count .= $wpdb->prepare(" WHERE (t1.subscriberID = t2.subscriberID) AND (t2.status = t3.statusid ) AND (t2.listID =  %d)", $list_id);
           }
            $status_id = $sp_validate->_int("statusid");
            if($status_id > 0){
                $query .= ' AND statusid = '. $status_id ;
                $query_count .=' AND statusid = '. $status_id ;
            }

        $qs =  $sp_validate->_string("qs");
        if($qs) {
            $qs = '%' . $qs . '%';
            $query .= $wpdb->prepare(' AND ( t1.email LIKE %s or t1.firstname LIKE %s or t1.lastname LIKE %s )', $qs,$qs,$qs);
            $query_count .= $wpdb->prepare(' AND ( t1.email LIKE %s or t1.firstname LIKE %s or t1.lastname LIKE %s )', $qs,$qs,$qs);
        }


         /* -- Pagination parameters -- */
        //Number of elements in your table?
        $totalitems = $wpdb->get_var($query_count);
         //return the total number of affected rows
        //How many to display per page?
       // get the current user ID
            $user = get_current_user_id();
            // get the current admin screen
            $screen = get_current_screen();
            // retrieve the "per_page" option
            $screen_option = $screen->get_option('per_page', 'option');
            $per_page = 10;

            if(!empty( $screen_option)) {
                // retrieve the value of the option stored for the current user
                $per_page = get_user_meta($user, $screen_option, true);
                
                if ( empty ( $per_page) || $per_page < 1 ) {
                    // get the default value if none is set
                    $per_page = $screen->get_option( 'per_page', 'default' );
                }
            }
              $per_page = $sp_validate->_int("page_count") > 0 ? $sp_validate->_int("page_count"): $per_page ;

        //Which page is this?
        $paged = $sp_validate->_int("paged");
        //Page Number
        if(empty($paged) || !is_numeric($paged) || $paged<=0 ){ $paged=1; }
        //How many pages do we have in total?
        $totalpages = ceil($totalitems/$per_page);
        if( $list_id > 0 ) {
            $query.= ' group by t1.email';
        }
        $orderby = $sp_validate->_string("orderby") ? $sp_validate->orderby($sp_validate->_string("orderby")) : '';
        $order = $sp_validate->_string("order")   == 'DESC' ?  'DESC' : 'ASC';
       
        if( $orderby == 'status') {
            $orderby = 't2.status';
        }

        if(!empty($orderby) & !empty($order)){ $query.=' ORDER BY '.$orderby.' '.$order; }
        
        //adjust the query to take pagination into account
        if(!empty($paged) && !empty($per_page)){
            $offset=($paged-1)*$per_page;
            $query.=' LIMIT '.(int)$offset.','.(int)$per_page;
        }

    /* -- Register the pagination -- */
        $this->set_pagination_args( array(
            "total_items" => $totalitems,
            "total_pages" => $totalpages,
            "per_page" => $per_page,
        ) );
        //The pagination links are automatically built according to those parameters

    /* -- Register the Columns -- */
       $columns = $this->get_columns();
         $hidden = array();
         $sortable = $this->get_sortable_columns();
         $this->_column_headers = array($columns, $hidden, $sortable);
    /* -- Fetch the items -- */

        $this->items = $wpdb->get_results($query);
        
    }
    
   

}