File includes/class-dfw-deposits-plan.php

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<?php
/** 
 * Payment Plans 
 * 
 * @author Tyche Softwares
 * @since 1.0 
 * @category Classes
 * @package Deposits-for-WooCommerce/Payment-Plans
 */

class DFW_Deposits_Plan {
    
    private $id;
    private $name;
    private $desc;
    private $schedule;

    /**
     * Constructor function to get a payment plan's data 
     * 
     * @param array $plan Payment Plan object
     * @since 1.0
     */
    public function __construct( $plan ) {

        if( is_numeric( $plan ) ) {
            global $wpdb;
            $wpdb->dfw_deposits_payment_plans = $wpdb->prefix . 'dfw_deposits_payment_plans';
            $plan   = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$wpdb->dfw_deposits_payment_plans} WHERE ID = %d", absint( $plan ) ) );
        }
        $this->id   = $plan->ID;
        $this->name = $plan->name;
        $this->desc = $plan->description;
    }

    /**
     * Get the ID for a payment Plan
     * 
     * @return int
     * @since 1.0
     */
    public function get_plan_id() {
        return $this->id;
    }

    /**
     * Get the name of a payment plan
     * 
     * @return string
     * @since 1.0
     */
    public function get_plan_name() {
        return $this->name;
    }

    /**
     * Get the description for a payment plan
     * 
     * @return string
     * @since 1.0
     */
    public function get_plan_description() {
        return $this->desc;
    }

   /**
     * Get the full schedule for a payment plan
     * 
     * @return array
     * @since 1.0
     */
    public function get_plan_schedule() {

        if( ! $this->schedule ) {
            global $wpdb;
            $wpdb->dfw_deposits_payment_plans_schedule = $wpdb->prefix . 'dfw_deposits_payment_plans_schedule';
            $this->schedule = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM {$wpdb->dfw_deposits_payment_plans_schedule} WHERE plan_id = %d", $this->get_plan_id() ) );
        }

        return $this->schedule;
    }


    /**
     * Get the total amount of percentage added for a payment plan
     * 
     * @return int
     * @since 1.0
     */
    public function get_total_percent() {
        $schedule      = $this->get_plan_schedule();
        $total_percent = 0;

        foreach ( $schedule as $row ) {
            $total_percent += $row->plan_amount;
        }

        return $total_percent;
    }

    /**
     * Display the formatted schedule in the Payment Plans settings
     * 
     * @since 1.0
     */
    public function get_formatted_plan_schedule( $plan_amount = '' ){

        $schedule = $this->get_plan_schedule();
        $percent  = $this->get_total_percent();
        $days     = 0;
        $months   = 0;
        $years    = 0;
        $duration = array();

        foreach( $schedule as $row ){

            switch( $row->plan_interval_time ){
                case 'days':
                    $days += $row->plan_interval_amount;
                break;

                case 'weeks':
                    $days += ( 7 *  $row->plan_interval_amount );
                break;

                case 'months':
                    $months += $row->plan_interval_amount;
                break;

                case 'years':
                    $years += $row->plan_interval_amount;
                break;

            }
        }

        if ( $years ) {
            $duration[] = sprintf( _n( '%s year', '%s years', $years, 'deposits-for-woocommerce' ), $years );
        }

        if ( $months ) {
            $duration[] = sprintf( _n( '%s month', '%s months', $months, 'deposits-for-woocommerce' ), $months );
        }

        if ( $days ) {
            $duration[] = sprintf( _n( '%s day', '%s days', $days, 'deposits-for-woocommerce' ), $days );
        }

        if( ! $plan_amount ){
            $plan_amount = $percent . '%';
        } else{
            $plan_amount = wc_price( $plan_amount );
        }

        if( $duration ) {
             return sprintf( __( '%1$s payable over %2$s', 'deposits-for-woocommerce' ), $plan_amount, implode( ', ', $duration ) );  
        } else {
             return sprintf( __( '%1$s total payable', 'deposits-for-woocommerce' ), $plan_amount );
        }
    }
}

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