acaresydney_ts/ts.php

<?php
/**
 * Plugin Name: Acare Advanced Office 
 * Plugin URI: http://biukop.com.au/acaresydney/timesheets
 * Description: Advanced Office system, timesheet, Payroll for AcareSydney
 * Version: 2.1
 * Author: Biukop Intelligence
 * Author URI: http://biukop.com.au/
 */

namespace Biukop;
use XeroPHP\Models\Accounting\Address;

require_once(dirname(__FILE__) .  '/autoload.php');
require_once (ABSPATH . 'wp-includes/pluggable.php');


class AcareOffice{
    private $nonce; //for ajax verification
    private $pages = array('time-sheets', 'user-list');
    private $bts_user_id = 0;
    private $bts_week_id = 1; //week 1, we will try to calculate current week;
    private $xero ;
    private $db;
    private $table_name; //default to job_table
    private $job_table;
    private $allowance_table;
    private $addr_table; 
    private $ndis_table;
    private $apiv1;
    
    public function __construct() {
        $this->setup_db_name();
        $this->class_loader();
        $this->apiv1 = new Apiv1($this, $this->job_table);
        
        
        add_option( "acare_ts_db_version", "1.0" );
        register_activation_hook( __FILE__, array($this, 'db_install') );
        
        //add_action('init', array($this, 'class_loader'));
        add_action('init', array($this, 'check_csv_download'));
        
        add_action('wp', array($this, 'check_auth'));
        add_action('wp_enqueue_scripts', array($this, 'register_js_css'), 99);
        
        add_filter('show_admin_bar', '__return_false');
        
        //ts-xx for sync single user
        add_shortcode( 'ts-sync-users', array($this, 'sync_users'));
        //bts-xx for webpage 
        add_shortcode( 'bts_staff_item', array($this, 'bts_staff_item'));
        add_shortcode( 'bts_client_item', array($this, 'bts_client_item'));
        add_shortcode( 'bts_job_item', array($this, 'bts_job_item'));
        add_shortcode( 'bts_rate_options', array($this, 'bts_rate_options'));
        add_shortcode( 'bts_select_staff', array($this, 'bts_select_staff'));
        add_shortcode( 'bts_select_client', array($this, 'bts_select_client'));
        add_shortcode( 'bts_type_of_service', array($this, 'bts_type_of_service'));
        add_shortcode( 'bts_staff_job_summary', array($this, 'bts_staff_job_summary'));
        add_shortcode( 'bts_feedback_card', array($this, 'bts_feedback_card'));
        add_shortcode( 'bb_timesheet_canvas', array($this, 'bb_timesheet_canvas'));
        add_shortcode( 'bts_staff_hours_template', array($this, 'bts_staff_hours_template'));
        add_shortcode( 'bts_client_invoice_template', array($this, 'bts_client_invoice_template'));
        add_shortcode( 'bts_csv_template', array($this, 'bts_csv_template'));
        add_shortcode( 'bts_invoiced_client', array($this, 'bts_invoiced_client'));
        
        //user profile page
        add_shortcode( 'bts_user_name', array($this,'bts_user_name'));
        
        
        add_action('wp_ajax_list_staff', array($this,'list_staff' ));
        add_action('wp_ajax_list_client', array($this,'list_client' ));
        add_action('wp_ajax_list_tos', array($this,'list_tos' ));
        
        add_action('wp_ajax_save_job', array($this,'save_job' ));
        add_action('wp_ajax_list_job', array($this,'list_job' ));
        
        add_action('wp_ajax_delete_job', array($this,'delete_job' ));
        add_action('wp_ajax_email_job', array($this,'email_job' ));
        add_action('wp_ajax_email_feedback_url', array($this,'email_feedback_url' ));
        
        
        add_action('wp_ajax_earnings_rate', array($this,'get_payitem_earnings_rate' ));
        add_action('wp_ajax_nopriv_earnings_rate', array($this,'get_payitem_earnings_rate' ));
        
        add_action('wp_ajax_list_job_by_staff', array($this,'list_job_by_staff' ));
        add_action('wp_ajax_nopriv_list_job_by_staff', array($this,'list_job_by_staff' ));

        add_action('wp_ajax_staff_ack_job', array($this,'staff_ack_job' ));
        add_action('wp_ajax_nopriv_staff_ack_job', array($this,'staff_ack_job' ));
        
        add_action('wp_ajax_list_job_by_client', array($this,'list_job_by_client' ));
        add_action('wp_ajax_nopriv_list_job_by_client', array($this,'list_job_by_client' ));
        
        add_action('wp_ajax_client_ack_job', array($this,'client_ack_job' ));
        add_action('wp_ajax_nopriv_client_ack_job', array($this,'client_ack_job' ));
        
        add_action('wp_ajax_get_timesheet_from_xero', array($this,'get_timesheet_from_xero' ));
        add_action('wp_ajax_approve_all_timesheet', array($this,'approve_all_timesheet' ));
        add_action('wp_ajax_get_invoice_item', array($this,'get_invoice_item' ));
        add_action('wp_ajax_create_invoice_in_xero', array($this,'create_invoice_in_xero' ));
        
        
        // hook add_rewrite_rules function into rewrite_rules_array
        add_filter('rewrite_rules_array', array($this,'my_add_rewrite_rules'));
        // hook add_query_vars function into query_vars
        add_filter('query_vars', array($this,'add_query_vars'));
        
        
        
    }
    
    private function setup_db_name()
    {
        global $wpdb;
        $this->db = $wpdb;
        $this->table_name = $wpdb->prefix . 'acare_ts'; //for backward compatability;
        $this->job_table = $wpdb->prefix . 'acare_ts';
        $this->allowance_table = $wpdb->prefix . 'acare_allowance';
        $this->addr_table = $wpdb->prefix . 'acare_addr_distance';
        $this->ndis_table = $wpdb->prefix . 'acare_ndis_price';
    }
    
    /**
     * Autoload the custom theme classes
     */
    public function class_loader()
    {
        // Create a new instance of the autoloader
        $loader = new \Psr4AutoloaderClass();
        
        // Register this instance
        $loader->register();
        
        // Add our namespace and the folder it maps to
        $loader->addNamespace('\XeroPHP', dirname(__FILE__) . '/xero-php-master/src/XeroPHP');
        $loader->addNamespace('\Biukop', dirname(__FILE__) . '/' );
        
        $this->xero = new Xero();
        $this->xero->init_wp();
        
        //$abc = new AddrMap("01515b52-6936-46b2-a000-9ad4cd7a5b50", "0768db6d-e5f4-4b45-89a2-29f7e8d2953c");
        //$abc = new AddrMap("122eb1d0-d8c4-4fc3-8bf8-b7825bee1a01", "0768db6d-e5f4-4b45-89a2-29f7e8d2953c");
    }
    
    public function check_csv_download()
    {
        $url = $_SERVER['REQUEST_URI'];
        $matches=[];
        preg_match("/\/ndiscsv\/start-([^\/]+)\/finish-([^\/]+)\/?$/", $url, $matches);
        if ( $matches !=3 || $_SERVER['REQUEST_URI'] != $matches[0] )
            return;
        $start = $matches[1];
        $finish = $matches[2];
        $filename="{$start}___{$finish}.csv";
        
        header("Expires: 0");
        header("Cache-Control: no-cache, no-store, must-revalidate");
        header('Cache-Control: pre-check=0, post-check=0, max-age=0', false);
        header("Pragma: no-cache");
        header("Content-type: text/csv");
        header("Content-Disposition:attachment; filename=$filename");
        header("Content-Type: application/force-download");
        //readfile(dirname(__FILE__) . "/img/circle.png");
        echo "content of this file";
        exit();
        
    }
    
    //init database
    public function db_install () {
        global $wpdb;
        $charset_collate = $wpdb->get_charset_collate();
        
        //table name: timesheets jobs
        $table_name = $this->table_name;
        $sql = "CREATE TABLE $table_name (
            id INT NOT NULL AUTO_INCREMENT,
            tos VARCHAR(45) NULL,
            start DATETIME NULL,
            finish DATETIME NULL,
            rate VARCHAR(45) NULL,
            staff VARCHAR(45) NULL,
            client VARCHAR(45) NULL,
            ack TINYINT(4) NULL,
            rating INT(4) NULL DEFAULT 0,
            PRIMARY KEY (id)
            ) $charset_collate;";

        //addr distance 
        $addr_table = $this->addr_table;
        $sql_addr = "CREATE TABLE $addr_table (
            id INT NOT NULL AUTO_INCREMENT,
            origin VARCHAR(1024) NULL,
            destination VARCHAR(1024) NULL,
            response VARCHAR(40960) NULL,
            distance INT NULL,
            PRIMARY KEY (id)
            ) $charset_collate;";
        
        $ndis_table = $this->ndis_table;
        $sql_ndis_price = "
            CREATE TABLE $ndis_table (
              code VARCHAR(45) NOT NULL,
              name VARCHAR(45) NULL,
              level INT NULL,
              unit VARCHAR(45) NULL,
              price FLOAT NULL,
              year INT NOT NULL,
              PRIMARY KEY (code, year)
        )$charset_collate;";
        //create database
        require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
        dbDelta( $sql );
        dbDelta( $sql_addr);
        dbDelta( $sql_ndis_price);
    }
    
    //
    //query var
    public function add_query_vars($aVars) {
        $aVars[] = "bts_user_id"; // represents the name of the product category as shown in the URL
        $aVars[] = "bts_week_id"; // represents the name of the product category as shown in the URL
        $aVars[] = "bts_job_start"; // represents the name of the product category as shown in the URL
        $aVars[] = "bts_job_finish"; // represents the name of the product category as shown in the URL
        return $aVars;
    }
    
    //for customer profile and broker trans
    public function my_add_rewrite_rules($aRules) {
        $aNewRules = array(
            'user/([^/]+)/?$' => 'index.php?pagename=user&bts_user_id=$matches[1]',
            'task/week-([^/]+)/?$' => 'index.php?pagename=task&bts_week_id=$matches[1]',
            'task/start-([^/]+)/finish-([^/]+)/?$' => 'index.php?pagename=task&bts_job_start=$matches[1]&bts_job_finish=$matches[2]',
            'task/([^/]+)/?$' => 'index.php?pagename=task&bts_user_id=$matches[1]',
            'task/([^/]+)/week-([^/]+)/?$' => 'index.php?pagename=task&bts_user_id=$matches[1]&bts_week_id=$matches[2]',
            'task/([^/]+)/start-([^/]+)/finish-([^/]+)/?$' => 'index.php?pagename=task&bts_user_id=$matches[1]&bts_job_start=$matches[2]&bts_job_finish=$matches[3]',
            
            'feedback_card/week-([^/]+)/?$' => 'index.php?pagename=feedback_card&bts_week_id=$matches[1]',
            'feedback_card/start-([^/]+)/finish-([^/]+)/?$' => 'index.php?pagename=feedback_card&bts_job_start=$matches[1]&bts_job_finish=$matches[2]',
            'feedback_card/([^/]+)/?$' => 'index.php?pagename=feedback_card&bts_user_id=$matches[1]',
            'feedback_card/([^/]+)/week-([^/]+)/?$' => 'index.php?pagename=feedback_card&bts_user_id=$matches[1]&bts_week_id=$matches[2]',
            'feedback_card/([^/]+)/start-([^/]+)/finish-([^/]+)/?$' => 'index.php?pagename=feedback_card&bts_user_id=$matches[1]&bts_job_start=$matches[2]&bts_job_finish=$matches[3]',
            
            'ndiscsv/start-([^/]+)/finish-([^/]+)/?$' => 'index.php?pagename=ndiscsv&bts_job_start=$matches[1]&bts_job_finish=$matches[2]',
            
        );
        $aRules = $aNewRules + $aRules;
        return $aRules;
    }

    //
    //
    ///check auth
    public function check_auth(){
        global $pagename;
        
        switch($pagename){
            case 'task':
                $this->cauth_task();
                break;
            case 'time-sheets':
                $this->cauth_time_sheet();
                break;
            case 'feedback_card':
                $this->cauth_feedback_card();
                break;
        }
    }
    
    private function cauth_task(){
        $login = get_query_var( 'bts_user_id' );
        $this->bts_job_start = get_query_var( 'bts_job_start' );
        $this->bts_job_finish = get_query_var( 'bts_job_finish' );
        $this->bts_week_id = get_query_var('bts_week_id'); 

        $redirect_url = $this->get_redirect_url_for_task();
//         wp_send_json(array(
//             'week'=> $week,
//             'userid'=>$login,
//             'job_start' => $this->bts_job_start,
//             'job_finish' => $this->bts_job_finish,
//             'redirect' => $redirect_url,
//         ));

        if ($login != "")//perform autologin, and redirect
        {
            $staff = get_user_by('login', $login);
            if ($this->is_staff($staff)){//is valid staff;
                $current = wp_get_current_user();
                if($current->ID != $staff->ID){
                    wp_logout();
                    wp_set_current_user($staff->ID, $staff->display_name); //this is a must
                    wp_set_auth_cookie($staff->ID, true);//only with this, wordpress calls login + redirect and lost week-%d
                }
            }
            wp_redirect($redirect_url);
            return;
        }

        //no auto login is required if reach here.
        $current = wp_get_current_user();
        if ($this->is_admin($current)){
            wp_redirect("/time-sheets/");
            return;
        }
        if (!$this->is_staff($current) && ! $this->is_admin($current))
        {
            wp_logout();
            wp_redirect("/login/");
            return;
        }
    }
    
    private function cauth_feedback_card(){
        $login = get_query_var( 'bts_user_id' );
        $this->bts_job_start = get_query_var( 'bts_job_start' );
        $this->bts_job_finish = get_query_var( 'bts_job_finish' );
        $this->bts_week_id = get_query_var('bts_week_id');
        
        $redirect_url = $this->get_redirect_url_for_feedback_card();
        
        if ($login != "")//perform autologin, and redirect
        {
            $client = get_user_by('login', $login);
            if ($this->is_client($client)){//is valid client;
                $current = wp_get_current_user();
                if($current->ID != $client->ID){
                    wp_logout();
                    wp_set_current_user($client->ID, $client->display_name); //this is a must
                    wp_set_auth_cookie($client->ID, true);//only with this, wordpress calls login + redirect and lost week-%d
                }
            }
            wp_redirect($redirect_url);
            return;
        }
        
        //no auto login is required if reach here.
        $current = wp_get_current_user();
        if ($this->is_admin($current)){
            wp_redirect("/time-sheets/");
            return;
        }
        if (!$this->is_client($current) && ! $this->is_admin($current))
        {
            wp_logout();
            wp_redirect("/login/");
            return;
        }
    }
    
    private function get_week_id()
    {
        $week = get_query_var( 'bts_week_id' );
        $week_id = intval($week);
        if ($week_id == 0 || $week_id >53 ||$week_id < 1)
            return $this->get_current_week_id();
        else
            return $week;
    }
    
    private function get_current_week_id()
    {
        $now = new \DateTime();
        $week = $now->format("W");
        return $week;
    }
    
    private function get_redirect_url_for_task()
    {
        if ($this->bts_week_id != "")
            return "/task/week-" . $this->bts_week_id . "/";
        if ($this->bts_job_start!="" && $this->bts_job_finish !="")
            return "/task/start-" . $this->bts_job_start . "/finish-" .$this->bts_job_finish . "/";
        return '/task/';
    }
    
    private function get_redirect_url_for_feedback_card()
    {
        if ($this->bts_week_id != "")
            return "/feedback_card/week-" . $this->bts_week_id . "/";
            if ($this->bts_job_start!="" && $this->bts_job_finish !="")
                return "/feedback_card/start-" . $this->bts_job_start . "/finish-" .$this->bts_job_finish . "/";
            return '/feedback_card/';
    }
    
    
    private function cauth_time_sheet()
    {
        $current = wp_get_current_user();
        if ($current->ID == 0 ) { //visitor not logged in
            wp_redirect("/wp-login.php?");
            return;
        }
        if ($this->is_staff($current)){
            wp_redirect("/task");
            return;
        }
        if ($this->is_admin($current)){
            //proceed            
            return;
        }
        if ($this->is_client($current)){
            wp_redirect("/service");
            return;
        }
        //everything else
        wp_redirect("/?invalid-access");
    }
    
    ///
    // enqueue / register css /js
    //
    public function register_js_css() {
        $this->nonce = wp_create_nonce('acaresydney');
        $this->bts_user_id = get_query_var( 'bts_user_id' ) ;
        $this->register_bts_js();
        $this->register_timesheet_js_css();
        $this->register_office_js_css();
        $this->register_task_js_css();
        $this->register_feedback_card_js_css();
        $this->register_xeroc_js_css();
    }
    private function register_bts_js()
    {
        wp_enqueue_style( 'bts', plugins_url('css/ts.css', __FILE__));
        wp_enqueue_script('bts', plugins_url('js/ts.js', __FILE__), array('jquery', 'jquery-ui-core'));
        wp_localize_script( 'bts', 'bts1', array(
            'ajax_url' => admin_url( 'admin-ajax.php' ),
            'nonce'    => $this->nonce, // It is common practice to comma after
            'display_name' => wp_get_current_user()->display_name,
            'anonymous' => !is_user_logged_in(),
            'me'=> get_current_user_id(),
            'userid'=> $this->bts_user_id,
            'load_user_img'=> plugins_url('img/loading_user.gif', __FILE__),
            'load_job_img'=> plugins_url('img/loading_job.gif', __FILE__),
            'high_pay_keywords' =>  ['sat ', 'sun ', 'high ', 'public holiday'], //space is important
        ) );
    }
    
    private function register_timesheet_js_css(){
        global $pagename;
        if ($pagename != 'time-sheets'){
            return;
        }
        wp_enqueue_style( 'bts_ts', plugins_url('css/bts_timesheet.css', __FILE__));
        wp_enqueue_script( 'bts_ts', plugins_url('js/bts_timesheet.js', __FILE__), array( 'jquery' , 'bts' ));
        wp_enqueue_script('mustache', plugins_url('js/mustache.min.js', __FILE__), array('jquery'));
        
        global $wp_scripts;
        wp_enqueue_script('jquery-ui-datepicker');
        // get registered script object for jquery-ui
        //$ui = $wp_scripts->query('jquery-ui-core');
        // tell WordPress to load the Smoothness theme from Google CDN
        //$protocol = is_ssl() ? 'https' : 'http';
        // $url = "$protocol://ajax.googleapis.com/ajax/libs/jqueryui/{$ui->ver}/themes/smoothness/jquery-ui.min.css";
        $url = plugins_url('jquery-ui-1.11.4.theme/jquery-ui.min.css', __FILE__);
        wp_enqueue_style('jquery-ui-smoothness', $url, false, null);
    }

    private function register_office_js_css(){
        global $pagename;
        if ($pagename != 'office'){
            return;
        }
        wp_enqueue_style( 'bts_office', plugins_url('css/bts_office.css', __FILE__));
        wp_enqueue_script( 'bts_office', plugins_url('js/bts_office.js', __FILE__), array( 'jquery' , 'bts' ));
        wp_enqueue_script('mustache', plugins_url('js/mustache.min.js', __FILE__), array('jquery'));
        
        global $wp_scripts;
        wp_enqueue_script('jquery-ui-datepicker');
        // get registered script object for jquery-ui
        //$ui = $wp_scripts->query('jquery-ui-core');
        // tell WordPress to load the Smoothness theme from Google CDN
        //$protocol = is_ssl() ? 'https' : 'http';
        // $url = "$protocol://ajax.googleapis.com/ajax/libs/jqueryui/{$ui->ver}/themes/smoothness/jquery-ui.min.css";
        $url = plugins_url('jquery-ui-1.11.4.theme/jquery-ui.min.css', __FILE__);
        wp_enqueue_style('jquery-ui-smoothness', $url, false, null);
    }
    
    
    private function register_task_js_css(){
        global $pagename;
        if ($pagename != 'task'){
            return;
        }
        
        $this->bts_job_start = get_query_var( 'bts_job_start' );
        $this->bts_job_finish = get_query_var( 'bts_job_finish' );
        $this->bts_week_id = get_query_var('bts_week_id'); 
        
        wp_enqueue_style( 'bts_task', plugins_url('css/bts_task.css', __FILE__));
        wp_enqueue_script( 'bts_task', plugins_url('js/bts_task.js', __FILE__), array( 'jquery' , 'bts' ));
        wp_enqueue_script('mustache', plugins_url('js/mustache.min.js', __FILE__), array('jquery'));
        
        wp_localize_script('bts_task','bts_task1',array(
            'ajax_url' => admin_url( 'admin-ajax.php' ),
            'nonce' => wp_create_nonce('bts_task'),
            'week_id' => $this->bts_week_id,
            'bts_job_start' => $this->bts_job_start,
            'bts_job_finish' => $this->bts_job_finish,
        ) );
    }
    
    private function register_feedback_card_js_css()
    {
        global $pagename;
        if ($pagename != 'feedback_card'){
            return;
        }
        
        $this->bts_job_start = get_query_var( 'bts_job_start' );
        $this->bts_job_finish = get_query_var( 'bts_job_finish' );
        $this->bts_week_id = get_query_var('bts_week_id');
        
        wp_enqueue_style( 'feedback_card', plugins_url('css/feedback_card.css', __FILE__));
        wp_enqueue_script( 'feedback_card', plugins_url('js/feedback_card.js', __FILE__), array( 'jquery' , 'bts' ));
        wp_enqueue_script('mustache', plugins_url('js/mustache.min.js', __FILE__), array('jquery'));
        
        wp_localize_script('feedback_card','feedback_card',array(
            'ajax_url' => admin_url( 'admin-ajax.php' ),
            'nonce' => wp_create_nonce('feedback_card'),
            'week_id' => $this->bts_week_id,
            'bts_job_start' => $this->bts_job_start,
            'bts_job_finish' => $this->bts_job_finish,
        ) );
    }
    
    private function register_xeroc_js_css(){
        global $pagename;
        if ($pagename != 'xeroc'){
            return;
        }
        wp_enqueue_style( 'bts_xeroc', plugins_url('css/xeroc.css', __FILE__));
        wp_enqueue_script( 'bts_xeroc', plugins_url('js/xeroc.js', __FILE__), array( 'jquery' , 'bts' ));
        wp_enqueue_script('mustache', plugins_url('js/mustache.min.js', __FILE__), array('jquery'));
        wp_enqueue_script('scrollintoview', plugins_url('js/scrollintoview.js', __FILE__), array('jquery'));
        
        global $wp_scripts;
        wp_enqueue_script('jquery-ui-datepicker');
        $url = plugins_url('jquery-ui-1.11.4.theme/jquery-ui.min.css', __FILE__);
        wp_enqueue_style('jquery-ui-smoothness', $url, false, null);
    }
    
    public function sync_users()
    {
        //dummy sync
        return;
    }
    
    // Usage: `wp sync_users --mininterval=123 
    public function sync_user_cli($args = array(), $assoc_args = array()){
        $arguments = wp_parse_args( $assoc_args, array(
            'mininterval'    => 600,
            'employeeonly'   => false,
            'clientsonly'    => false,
        ) );
        $this->xero->sync_users($arguments['mininterval'], $arguments['employeeonly'], $arguments['clientsonly']);
        return;
    }
    
    public function email_jobs($args = array(), $assoc_args = array()){
        $users = get_users(array('role' => 'staff'));
        foreach ($users as $u){
            $n = new UserJob($u->user_login);
            $resp = $n->list_jobs_by_staff("2019-07-22 00:00:00", "2019-07-28 23:59:59");
            if ($resp['status']=='success' && $resp['job_count'] >0 ){
                if( $u->user_login != "9aa3308e-cc19-4c21-a110-f2c6abec4337" )
                     continue;
                $msg = sprintf("Staff = %s, Login=%s, email=%s Job=%d\n", $u->display_name, $u->user_login, $u->user_email, $resp['job_count']);
                echo $msg;
                $this->send_email_with_job_link($u, "2019-07-22", "2019-07-28");
            }
        }
        return;
    }
    
    public function produce_invoice($args = array(), $assoc_args = array())
    {
        $users = get_users(array('role' => 'client'));
        foreach ($users as $u)
        {
            $pay = get_user_meta($u->id, 'payment',true);
            echo sprintf("%s: %s\n", $u->display_name, $pay);
        }
    }
    
    private function send_email_with_job_link($staff, $start, $finish)
    {
        $message = file_get_contents(plugin_dir_path(__FILE__) . "/html/email_job.html");
        $message = str_ireplace("{{display_name}}", $staff->display_name, $message);
        $message = str_ireplace("{{user_login}}", $staff->user_login, $message);
        $message = str_ireplace("{{job_start}}", $start, $message);
        $message = str_ireplace("{{job_finish}}", $finish, $message);
        $headers = ['Bcc: patrick@biukop.com.au, timesheet@acaresydney.com.au'];
        $subject = $staff->display_name . " Job arrangement $start ~ $finish";
        //wp_mail("sp@lawipac.com", $subject, $message, $headers);
        //wp_mail("timesheet@acaresydney.com.au", $subject, $message, $headers);
        wp_mail($staff->user_email, $subject, $message, $headers);
    }
    
    private function send_email_feedback_url($client)
    {
        $message = file_get_contents(plugin_dir_path(__FILE__) . "/html/email_feedback_url.html");
        $message = str_ireplace("{{display_name}}", $client->display_name, $message);
        $message = str_ireplace("{{user_login}}", $client->user_login, $message);
        $headers = ['Bcc: helenwang41@hotmail.com, timesheet@acaresydney.com.au'];
        $subject = $client->display_name . " Feedback Link";
        wp_mail( "helen@acaresydney.com.au", $subject, $message, $headers);
        //wp_mail( "patrick@biukop.com.au", $subject, $message, $headers);
    }
    
    public function bts_staff_item($attr){
        return $this->template('staff_item', 'staff.html');
    }
    
    public function bts_client_item($attr){
        return $this->template('client_item', 'client.html');
    }
    
    public function bts_job_item($attr){
        $html =$this->template('job_item', 'job.html');
        //$html = str_replace('[bts-tos-options]', $this->bts_tos_options([]), $html);
        $html = do_shortcode($html);
        return $html;
    }
    
    public function bts_rate_options($attr){
        $result = "<select> \n";
        $options = get_option('bts_payitem_earnings_rate');
        foreach($options as $o){
            if ($o['CurrentRecord'] !='true')
                continue;
            if ($o['RateType'] != 'RATEPERUNIT')
                continue;
            if (stripos($o['TypeOfUnits'],'hour') != false) //unit contains hour Hour 
                continue;
            $result.=sprintf("<option value='%s'> $%3.2f-%s</option>",
                    $o['EarningsRateID'], $o['RatePerUnit'], $o['Name']);
        }
        $result .="</select>";
        return $result;
    }
    
    private function get_rate_name_by_id($id)
    {
        $options = get_option('bts_payitem_earnings_rate');
        foreach($options as $o){
            if ( $o['EarningsRateID'] == $id )
                return sprintf("$%3.2f-%s", $o['RatePerUnit'], $o['Name']);
        }
    }
    
    public function bts_select_staff($attr){
        $result = "<select> \n";
        $staff = $this->get_people_by_role('staff');                
        foreach ($staff as $u){
            $result .= sprintf("<option value=%s> %s</option>", $u->user_login, $u->first_name . " " . $u->last_name);
        }
        $result .="</select>";
        return $result;
    }

    public function bts_select_client($attr){
        $result = "<select> \n";
        $staff = $this->get_people_by_role('client');
        foreach ($staff as $u){
            $result .= sprintf("<option value=%s> %s</option>", $u->user_login, $u->display_name);
        }
        $result .="</select>";
        return $result;
    }
    
    public function bts_type_of_service($attr){
        $n = new NdisPrice(2019);
        return $n->get_html();
    }
    
    public function bts_user_name($attr)
    {
        $user = wp_get_current_user();
        return $user->display_name;
    }
    
    public function bts_staff_job_summary($attr)
    {
        $result ="<span>
            If there is more than one job, please click on 'confirm' to make sure it is included in your payment.
        </span>";
        return $result;
    }
    
    public function bts_feedback_card($attr)
    {
        return $this->template('bts_feedback_card', 'feedback_card.html');
    }
    public function bb_timesheet_canvas($attr)
    {
        return file_get_contents(plugin_dir_path(__FILE__) . "/html/timesheet.html");
    }
    
    public function bts_staff_hours_template($attr){
        return $this->template('bts_staff_hours_template', 'bts_staff_hours_template.html');
    }
    
    public function bts_client_invoice_template($attr){
        return $this->template('bts_client_invoice_template', 'bts_client_invoice_template.html');
    }
    
    public function bts_csv_template($attr){
        return $this->template('bts_csv_template', 'bts_csv_template.html');
    }
    
    public function bts_invoiced_client($attr)
    {
        $result = "";
        $users = $users = get_users(array('role' => 'client'));
        $row = <<<ZOT
<tr id="nameonly_%s"  data-client-id='%s' class="invoice_nameonly_row">
<td class="client_nameonly" data-client-id='%s'>
<i class="vc_tta-icon fa fa-plus-square"></i> %s
</td>
</tr>
<tr id="dummyui_%s"  data-client-id='%s' class="invoice_nameonly_row_dummy">
<td class="client_nameonly" data-client-id='%s'>
<i class="vc_tta-icon fa fa-plus-square"></i> %s    is loading .... please wait...
</td>
</tr>
ZOT;
        foreach ($users as $u)
        {
            $payment = get_user_meta($u->ID, 'payment', true);
            if( $payment != 'invoice' )
                continue; //bypass
            $result .= sprintf($row, $u->user_login, $u->user_login, $u->user_login, $u->display_name,
                                     $u->user_login, $u->user_login, $u->user_login, $u->display_name);
        }
        return $result;
    }
    //generate template based on html file
    private function template($id, $file)
    {
        $text = '<script id="' . $id .'" type="text/x-biukop-template">';
        $text .= file_get_contents(plugin_dir_path(__FILE__) . "/html/$file");
        $text .= '</script>';
        return $text;
    }
    
    
    function list_staff(){
        check_ajax_referer('acaresydney');
        // Handle the ajax request
        $response = array(
            'status' =>'error',
            'users' => [],
        );
        //search all users that are staff
        $staffq = new \WP_User_Query(array('role'=>'staff','meta_key'=>'first_name', 'orderby'=>'meta_value', 'order'=>'ASC'));
        $staff = $staffq->get_results(); 
        if (! empty($staff)){
            $response['status'] = 'success';
            foreach( $staff as $s){
                $response['users'][] = array(
                    'login' => $s->user_login,
                    'firstname'=> $s->first_name,
                    'lastname'=> $s->last_name,
                    'display_name' => $s->display_name,
                    'mobile'=>  get_user_meta($s->ID, 'mobile', true),
                    'email'=> $s->user_email,
                    'wages'=> 0,
                    'hour' => 0 ,
                    'OT' => 0 ,
                    'petrol'=> 0 ,
                    'rating'=> 0,
                    'unconfirmedjob'=> 0,
                );
            }
        }
        wp_send_json($response);
        wp_die();
    }
    function list_client(){
        check_ajax_referer('acaresydney');
        // Handle the ajax request
        $response = array(
            'status' =>'error',
            'users' => [],
        );
        //search all users that are staff
        $clientq = new \WP_User_Query(array('role'=>'client', 'meta_key'=>'first_name', 'orderby'=>'meta_value', 'order'=>'ASC'));
        $client = $clientq->get_results();
        if (! empty($client)){
            $response['status'] = 'success';
            foreach( $client as $s){
                $response['users'][] = array(
                    'login' => $s->user_login,
                    'firstname'=> $s->first_name,
                    'lastname'=> $s->last_name,
                    'display_name'=> $s->display_name,
                    'mobile'=>  get_user_meta($s->ID, 'mobile', true),
                    'email'=> $s->user_email,
                    'account'=> get_user_meta($s->ID, 'account', true),
                    'address' => get_user_meta($s->ID, 'address', true),
                    'rating'=> 0,
                    'unconfirmedjob'=> 0,
                );
            }
        }
        wp_send_json($response);
        wp_die();
    }
    
    //ajax
    function list_tos() {
        check_ajax_referer('acaresydney');
        // Handle the ajax request
        $response = array(
            'status' =>'success',
            'tos' => [],
        );
        
        $price = new NdisPrice();//current year;
        $response['tos']= $price->get_tos_array();
        wp_send_json($response);
    }
    
    private function get_people_by_role($role){
        //search all users that are staff
        $staffq = new \WP_User_Query(array('role'=>$role, 'meta_key'=>'first_name', 'orderby'=>'meta_value', 'order'=>'ASC'));
        $staff = $staffq->get_results();
        return $staff;
    }
    
    //ajax get earnings rates
    function get_payitem_earnings_rate()
    {
        $response= array(
            'status' => 'success',
            'options'=> get_option('bts_payitem_earnings_rate'),
        );
        wp_send_json($response);
    }
    
    //ajax job CRUD
    function save_job()
    {
        check_ajax_referer('acaresydney');
        $r = $_POST['record'];
        $response = array();
        $d = array(
            'tos' => $r['tos'],
            'start' => $r['start'],
            'finish' => $r['finish'],
            'rate' => $r['rate'],
            'staff' => $r['staff'],
            'client' => $r['client'],
            'ack' => $r['ack']=='true'?1:0,
            'rating'=>$r['rating'],
        );
        
        //this is an update
        if ( isset($r['id']) && trim($r['id']) !='' && is_numeric($r['id'])){
            $response['isNew'] = false; //add or update?
            $result = $this->db->update($this->table_name, $d, array('id' =>$r['id']));
            if ($result !== false && $this->db->last_error == ''){
                $d['id'] = $r['id'];
                $response['status'] = 'success';
                //do data type conversion, string to int
                $response['newdata'] = $this->get_ts_record($r['id']);
                $response['errors'] = array(); //empty array
            }else{
                $response['status'] = 'error';
                $repsonse['errors'] = array(
                    'db' => "network database error" . $this->db->last_error,
                );
            }
        }else{
            $response['isNew'] = true;
            $result = $this->db->insert($this->table_name, $d);
            $lastid = $this->db->insert_id;
            if ($result != false && $this->db->last_error == ''){
                $response['status'] = 'success';
                $response['newdata'] = $this->get_ts_record($lastid);
            }else{
                $response['status'] = 'error';
                $response['errors'] = array(
                    'db' => 'network database error ' . $this->db->last_error,
                );
            }
        }
        wp_send_json($response);
        wp_die();
    }
    
    private function get_ts_record($id){
        $sql = "SELECT * FROM $this->table_name WHERE id=%d";
        $row = $this->db->get_row($this->db->prepare ($sql, array($id)));
        $response = [];        
        if ($row != null){
            $response = array(
            'id' => (int)$row->id,
            'tos' => $row->tos,
            'start' => $row->start,
            'finish' => $row->finish,
            'rate' => $row->rate,
            'staff' => $row->staff,
            'client' => $row->client,
            'ack' => (int)$row->ack,
            'rating' =>(int) $row->rating,
            );
        }
        return $response;
    }
    
    
    //ajax delete job
    function delete_job(){
        check_ajax_referer('acaresydney');
        $id = $_POST['jobid'];
        $result = $this->db->delete($this->table_name, array('id'=> $id));
        $response=array(
            'status' => 'success',
            'id' => $id,
            'action'=> 'delete',
            'error' => '',
        );
        if ($result == 1){
            wp_send_json($response);
        }else{
            $response['status'] = 'error';
            $response['error'] = $this->db->last_error;
            wp_send_json($response);
        }
        wp_die();
    }
    
    //ajax email staff their job arrangement
    function email_job()
    {
        check_ajax_referer('acaresydney');
        $staff = $_POST['staff'];
        $start = $_POST['start'];
        $finish = $_POST['finish'];
        $response=array(
            'status' => 'success',
            'staff' => $staff,
            'start' => $start,
            'finish' => $finish,
            'error' => '',
            'sent' => false,
            'emailstatus'=>"Bypass (no job)",
        );
        
        $u = get_user_by('login', $staff);
        if ($this->is_staff($u)){
            $n = new UserJob($staff);
            $resp = $n->list_jobs_by_staff("$start 00:00:00", "$finish 23:59:59");
            if ($resp['status']=='success' && $resp['job_count'] >0 ){
                $msg = sprintf("Email to <strong>%s</strong> (with job=%d) \n", $u->user_email, $resp['job_count']);
                $this->send_email_with_job_link($u, $start, $finish);
                $response['sent'] = true;
                $response['emailstatus'] = $msg;
            }
        }
        wp_send_json($response);
    }
    
    //ajax email feedback url
    function email_feedback_url()
    {
        check_ajax_referer('acaresydney');
        $client = $_POST['client'];
        $response=array(
            'status' => 'success',
            'error' => '',
            'sent' => false,
            'emailstatus' =>'not sent',
        );
        $u = get_user_by('login', $client);
        if ($this->is_client($u)){
            $status = $this->send_email_feedback_url($u);
            $response['emailstatus'] = $status; 
        }
        wp_send_json($response);
        
    }
    
    //ajax browse job with different filters
    function list_job(){
        check_ajax_referer('acaresydney');
        $start = $_POST['start'] . " 00:00:00";
        $finish = $_POST['finish']. " 23:59:59";
        
        $response = array(
            'status'=>'success',
            'jobs' => [],
        );
        
        $sql = "SELECT * FROM $this->table_name WHERE start>='%s' and start <='%s' order by start ASC ,staff ASC";
        $query = $this->db->prepare ($sql, array($start, $finish));
        $response['sql'] = $query;
        $jobs = $this->db->get_results($query);
        
        if (! empty($jobs)){
            $response['status'] = 'success';
            foreach( $jobs as $s){
                $response['jobs'][] = array(
                    'id' => $s->id,
                    'tos' => $s->tos,
                    'start'=> $s->start,
                    'finish'=> $s->finish,
                    'rate'=> $s->rate,
                    'staff'=> $s->staff,
                    'client'=> $s->client,
                    'ack' => $s->ack,
                    'rating' =>$s->rating,
                );
            }
        }
        wp_send_json($response);
        wp_die();
    }
    public function list_job_by_staff()
    {
        check_ajax_referer('acaresydney');
        $start = $_POST['start'];
        $finish = $_POST['finish'];
        
        //$start="2019-07-01 00:00:00";
        //$finish="2019-07-14 23:59:59";
        
        $user = wp_get_current_user();// should be staff;
        if ( $this->is_staff($user) || $this->is_admin($user) ){
            $n = new UserJob($user->user_login);
            $response = $n->list_jobs_by_staff($start, $finish);
            wp_send_json($response);
        }else{
            $response = array(
                'status' => 'error',
                'errmsg' => 'invalid access',
                'user' => $user,
            );
            wp_send_json($response);
        }
        wp_die();
    }
    
    public function list_job_by_client()
    {
        check_ajax_referer('acaresydney');
        $start = $_POST['start'];
        $finish = $_POST['finish'];
        
        //$start="2019-07-01 00:00:00";
        //$finish="2019-07-14 23:59:59";
        
        $user = wp_get_current_user();// should be staff;
        if ( $this->is_client($user) || $this->is_admin($user) ){
            $n = new UserJob($user->user_login);
            $response = $n->list_jobs_by_client($start, $finish);
            wp_send_json($response);
        }else{
            $response = array(
                'status' => 'error',
                'errmsg' => 'invalid access',
                'user' => $user,
            );
            wp_send_json($response);
        }
        wp_die();
    } 
    private function is_staff($user)
    {
        return ($user->ID !=0 && in_array('staff', $user->roles));
    }
    private function is_client($user)
    {
        return ($user->ID !=0 && in_array('client', $user->roles));
    }
    private function is_admin($user)
    {
        $allowed_roles = array('administrator', 'acare_owner');
        if( array_intersect($allowed_roles, $user->roles ) ) {
            return true;        
        }
    }
    
    public function staff_ack_job()
    {
        check_ajax_referer('acaresydney');
        $jobs = $_POST['jobs'];
        $response = array(
            'status'=>'success',
            'jobs'=>$jobs,
        );
        
        $yes=[];
        $no=[];
        
        foreach($jobs as $job){
           if ( $job['ack'] == "true")
               $yes[] =(int) $job['id'];
           else 
               $no[] = (int) $job['id'];
        }
        $err = $this->ack_multiple_job($yes, $no);
        if ($this->db->last_error !='')
        {
            $response['status']= 'error';
            $response['err_msg']= $err;
        }
        $response['yes'] = $yes;
        $response['no'] = $no;
        wp_send_json($response);
        wp_die();
    }
    
    public function ack_multiple_job($yes, $no)
    {
        $str_yes_ids = implode(",", $yes);
        $str_no_ids = implode(",", $no);
        $err = "";        
        if (count($yes) >0 ){
            $sql = "UPDATE  $this->table_name  SET ack=1 WHERE id IN ( $str_yes_ids) ; ";
            $r = $this->db->get_results($sql);
            $err = $this->db->last_error;
        }
        if (count($no) >0 ){
            $sql = "UPDATE  $this->table_name  SET ack=0 WHERE id IN ( $str_no_ids) ; ";
            $r = $this->db->get_results($sql);
            $err .= $this->db->last_error;
        }
        return $err;
    } 
    public function client_ack_job()
    {
        check_ajax_referer('acaresydney');
        $job_id = $_POST['job_id'];
        $rating = $_POST['rating'];
        
        $response = array(
            'status'=>'success',
        );
        $sql= "UPDATE  $this->table_name  SET rating=%d WHERE id = %d ; ";
        $sql= $this->db->prepare($sql, array($rating, $job_id));
        
        $result = $this->db->get_results($sql);
        $response['rating'] = (int) $rating;
        if ($this->db->last_error !='')
        {
            $response['status']= 'error';
            $response['err_msg']= $this->db->last_error;
            $response['rating'] = 0;
        }
        wp_send_json($response);
    }
    
    
    public function get_timesheet_from_xero()
    {
        check_ajax_referer('acaresydney');
        
        //check if we need sync
        $sync = $_POST['sync'];
        if ($sync != "true")
            $sync = false;
        else 
            $sync = true;
        
        //set up payroll calendar
        $pc = $this->xero->get_payroll_calendar();
        
        $start = $pc->getStartDate()->format('Y-m-d');
        $finish = new \DateTime($start);
        $finish = $finish->modify("+13 days")->format('Y-m-d');
        $paydate = $pc->getPaymentDate()->format('Y-m-d');
        
        //prepare response
        $response = array(
            'status' => 'success',
            'payroll_calendar' => array(
                    'start' => $start,
                    'finish' => $finish,
                    'paydate'=> $paydate,
             ),
        );
        $xx = new \Biukop\TimeSheet($this->xero->get_xero_handle(), $finish);
        $local_ts = $this->create_timesheet_from_db($start, $finish);
        
        if ($sync){
            $xx->set_local_timesheet($local_ts);
            $xx->save_to_xero();
            $xx->refresh_remote();
        }
        
        
        $days=[];
        $d = new \DateTime($start);
        for ($i=1; $i<=14; $i++){
            $days["days_$i"] = $d->format("d/F");
            $d->modify("+1 day");
        }
        
        
        $lines=[];
        foreach ($local_ts as $staff_login => $details)
        {
            $item = array(
                'staff_name' =>  $this->get_user_name_by_login ($staff_login),
                'staff_id' => $staff_login,
                'Xero_Status' => 'Empty',
                'rowspan' =>1,
                'local_total' =>0,
                'remote_total'=>0,
                'ratetype' => [],
            );
            
            $buddy = $xx->get_buddy_timesheets($staff_login, new \DateTime($start), new \DateTime($finish));
            if ($buddy != NULL){
                $item['Xero_Status'] = $buddy->getStatus();
            }else{
                $item['Xero_Status'] = "Not Exist";
            }
            
            
            foreach($details as $rate => $hours){
                $item['rowspan'] ++;
                
                $ratetype_item=[];
                $ratetype_item['rate_name'] = $this->get_rate_name_by_id($rate);
                //for local
                for ($i=1; $i<=14; $i++)
                {
                    $ratetype_item["local_$i"] = $hours[$i-1];
                    $item['local_total'] += $hours[$i-1];
                }
                
                //for remote
                if ( $buddy != NULL )
                {
                    $remote_lines = $buddy->getTimesheetLines();
                    foreach($remote_lines as $rl)
                    {
                        if ( $rl->getEarningsRateID() == $rate){
                            for ($i=1; $i<=14; $i++)
                            {
                                $ratetype_item["xero_$i"] = $rl->getNumberOfUnits()[$i-1];
                                $item['remote_total'] += $rl->getNumberOfUnits()[$i-1];
                                if ($ratetype_item["xero_$i"] != $ratetype_item["local_$i"]){
                                    $ratetype_item["xero_{$i}_mismatch"] = "mismatch";
                                }
                            }
                            break;//we found it
                        }
                    }
                }
                $item['ratetype'][] = $ratetype_item;
            }
            
            $item = array_merge($item, $days);
            $lines[]=$item;
        }
        
        $ts = json_decode(file_get_contents(dirname(__FILE__) . "/sample/timesheets.json"));
        $response['ts'] = $ts;
        $response['lines'] = $lines;
        wp_send_json($response);
    }
    
    public function approve_all_timesheet()
    {
        check_ajax_referer('acaresydney');
        //set up payroll calendar
        $pc = $this->xero->get_payroll_calendar();
        
        $start = $pc->getStartDate()->format('Y-m-d');
        $finish = new \DateTime($start);
        $finish = $finish->modify("+13 days")->format('Y-m-d');
        $paydate = $pc->getPaymentDate()->format('Y-m-d');
        
        //prepare response
        $response = array(
            'status' => 'success',
            'payroll_calendar' => array(
                'start' => $start,
                'finish' => $finish,
                'paydate'=> $paydate,
            ),
        );
        $xx = new \Biukop\TimeSheet($this->xero->get_xero_handle(), $finish);
        $xx->approve_all();
        wp_send_json($response);
    }
    
    static public function get_user_name_by_login($login)
    {
        $user = get_user_by('login', $login);
        if ($user->ID !=0 )
            return  $user->display_name;
        else 
            return "Invalid Name";
    }
    
    
    //ajax
    public function get_invoice_item()
    {
        check_ajax_referer('acaresydney');
        $client = $_POST['client'];
        //$client = "8cb3d205-6cdc-4187-ae39-9216923dd86d";
        $start = $_POST['start']; //2019-07-01';
        $finish= $_POST['finish'];//2019-07-31';
        
        $sql = "SELECT * from $this->table_name WHERE  tos != '00_000_0000_0_0' and start>='$start 00:00:00' and start<='$finish 23:59:59' and client='$client' ORDER BY start";
        $rows = $this->db->get_results($sql);

        $response=[
            'status' =>'success',
            'client_login' => $client,
            'client_name' => $this->get_user_name_by_login($client),
            'jobs'=>[],
            'err'=>''
        ];
        $price = new NdisPrice();//current year;
        $summary=[];// by ndis code
        foreach($rows as $r){
            $quantity = $this->get_job_hours($r->start, $r->finish);
            $unit = $price->get_tos_unit($r->tos);
            if ($unit != "Hour")
            {
                $quantity = 1;
            }
            $unitprice = $price->get_tos_price($r->tos);
            $description = $this->get_job_description_for_invoice($price, $r);
            
            $data = [
                'tos' => $price->get_tos_full_str($r->tos),
                'start' => $r->start,
                'finish' => $r->finish,
                'hours' => $quantity,
                'unitprice'=> $price->get_tos_price($r->tos),
                'staff_name' => $this->get_user_name_by_login($r->staff),
                'price' => sprintf("%.2f", $quantity * $unitprice),
            ];
            $response['jobs'][] = $data;
            $summary[$r->tos] += $quantity; 
        }
        
        if (count($response['jobs']) ==0)
        {
            $response['nojob'] = true;
        }
        
        foreach ($summary as $key => $val)
        {
            $response['summary'][] = array(
                'ndis' => $key,
                'tos' =>  $price->get_tos_full_str($key),
                'Hours'=> $val,
            );
        }
        if (count($summary) > 0){
            $response['has_summary'] = true;
        }
        
        
        wp_send_json($response);
    }
    
    public function create_invoice_in_xero()
    {
        check_ajax_referer('acaresydney');
        $client = $_POST['client'];
        //$client = "8cb3d205-6cdc-4187-ae39-9216923dd86d";
        $start = $_POST['start']; //2019-07-01';
        $finish= $_POST['finish'];//2019-07-31';
        //

        $response=[
            'status'=>success,
            'invoice_number' => '',
            'err'=> '',
        ];
        
        try{
            $invoice = $this->create_invoice_by_client($client, $start, $finish);
            $response['invoice_number'] = sprintf("<a href='https://go.xero.com/AccountsReceivable/Edit.aspx?InvoiceID=%s' target='_blank'>%s</a>", 
                $invoice->getInvoiceID(), $invoice->getInvoiceNumber());
        }catch(\Exception $e){
            $response['status'] = 'error';
            $response['err'] = "XERO Invoice Error";
        }
        
        wp_send_json($response);
    }
    
    
    public function create_invoice_by_client($client_login, $start, $finish)
    {
        $user = get_user_by('login', $client_login);
        if ( !$this->is_client($user) )
            return NULL;
        $payment = get_user_meta($user->ID, "payment", true);
        if ($payment != "invoice")
            return NULL;
        
        $sql = "SELECT * from $this->table_name WHERE tos != '00_000_0000_0_0' and start>='$start 00:00:00' and start<='$finish 23:59:59' and client='$client_login' ORDER BY start";
        $rows = $this->db->get_results($sql);
        
        $xero = $this->xero->get_xero_handle();
        
        //crate invoice 
        $invoice = new \XeroPHP\Models\Accounting\Invoice($xero);
        $contact= $xero->loadByGUID('Accounting\\Contact', $client_login);
        $now = new \DateTime();
        $due = new \DateTime();
        $due->modify("+14 days");
        $invoice->setType("ACCREC")
                ->setStatus("DRAFT")
                ->setContact($contact)
                ->setDate($now)
                ->setDueDate($due);
        $to_save=[];//all invoices to save;
        $price = new NdisPrice($now->format("Y"));//current year;
        
        foreach($rows as $r){
            $quantity = $this->get_job_hours($r->start, $r->finish);
            $unit = $price->get_tos_unit($r->tos);
            if ($unit != "Hour")
            {
                $quantity = 1;
            }
            $unitprice = $price->get_tos_price($r->tos);
            $description = $this->get_job_description_for_invoice($price, $r);
            $lineItem = new \XeroPHP\Models\Accounting\Invoice\LineItem($xero);
            $lineItem->setDescription($description)
                    ->setQuantity($quantity)
                    ->setUnitAmount($unitprice)
                    ->setAccountCode(220)
                    ->setTaxType("EXEMPTOUTPUT");
            $invoice->addLineItem($lineItem);
        }
        
        //prevent zero lineitems
        if ( count($invoice->getLineItems()) >0 )
        $invoice->save();
        return $invoice;
    }
    
    public function  get_job_description_for_invoice($price, $job)
    {
        $description = sprintf(
'%s 
[NDIS code: %s]
Time: %s - %s   
By Carer : %s',
            $price->get_tos_str($job->tos),
            $job->tos,
            $job->start,
            $job->finish,
            $this->get_user_name_by_login($job->staff)
            );
        return $description;
    }
    
    public function create_timesheet_from_db($start, $finish){
        $results = [];
        
        $sql = "SELECT * from  $this->table_name WHERE start>='$start 00:00:00' and start<='$finish 23:59:59'";
        $rows = $this->db->get_results($sql);
        foreach ($rows as $r){
            if (!array_key_exists($r->staff, $results)){
               $results[$r->staff] = []; 
            }
            if (!array_key_exists($r->rate, $results[$r->staff])){
                $results[$r->staff][$r->rate] = [];
                for ($i=0; $i<14; $i++){
                    $results[$r->staff][$r->rate][$i] = 0; //14 days init to 0;
                }
            }
            
            $idx = $this->convert_date_to_idx($r->start, $start, $finish);
            if ($idx >=0 && $idx <=13){
                $hours = $this->get_job_hours($r->start, $r->finish);
                $results[$r->staff][$r->rate][$idx] += $hours;
                //$results[$r->staff][$r->id] = $hours;
                //$results[$r->staff][$r->id . '_index'] = $idx;
            }else{
                $msg = sprintf("ACARE_TS_ERR: found invalid job index for job id=%d, on %s, idx is %d, start=%s, finish=%s\n", 
                    $r->id, date('Y-m-d'), $idx, $start, $finish);
                $this->log($msg);
            }
        }
        //wp_send_json($results);
        return $results;
    }
    //convert date (no time) to index, 0 day is $start, 13day is finish, -1 is not found 
    public function convert_date_to_idx($date, $start, $finish)
    {//start, finish format must be yyyy-mm-dd
        $idx = -1;
        $cur = new \DateTime($date);
        $cur->setTime(0,0,0);//clear time;
        $s = new \DateTime($start);
        $s->setTime(0,0,0);
        $f = new \DateTime($finish);
        $f->setTime(0,0,0);
        if ( $s <= $cur && $cur <=$f ){
            $datediff = date_diff($s,$cur);
            $idx = $datediff->days;
        }
        return $idx;     
    }
    
    private function get_job_hours($start, $finish)
    {
        $hours = 0;
        $s = strtotime($start);
        $f = strtotime($finish);
        $diff = $f- $s;
        $hours = ($diff * 1.0 / 3600); //can be float;
        return $hours;
    }
    
    public function feedback_url()
    {
        $users = get_users(array('role'=>'client'));
        foreach($users as $u){
            echo sprintf("Hi %s:\n\nPlease rate our service, https://acaresydney.com.au/feedback_card/%s/\n\nAcareSydney\n\n", $u->display_name, $u->user_login);
        }
    }
    
    static public function log($msg){
        openlog("ACARE_TS", LOG_PID | LOG_PERROR, LOG_SYSLOG);
        //something wrong, we dont touch it, but give some error here
        syslog(LOG_WARNING, $msg);
        closelog();
    }
}

$bb = new AcareOffice();

if ( defined( 'WP_CLI' ) && WP_CLI ) {
    \WP_CLI::add_command( 'sync_users', array($bb, 'sync_user_cli'));
    \WP_CLI::add_command( 'email_jobs', array($bb, 'email_jobs'));
    \WP_CLI::add_command( 'feedback_url', array($bb, 'feedback_url'));
    \WP_CLI::add_command( 'produce_invoice', array($bb, 'produce_invoice'));
}

//$bb->class_loader();
//$bb->create_invoice_by_client("8cb3d205-6cdc-4187-ae39-9216923dd86d", "2019-07-01", "2019-07-31");
//$idx = $bb->convert_date_to_idx("2019-07-02 14:30:00", "2019-07-01", "2019-07-02");
//wp_send_json($idx);
//$bb->create_timesheet_from_db("2019-07-01", "2019-07-14");