File prdd-timeslot-price.php

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<?php
/**
 * PRDD Delivery charges for timeslots. 
 *
 * @author  Tyche Softwares
 * @package Product-Delivery-Date-Pro-for-WooCommerce/Delivery-Charges
 * @since   1.0
 */

if ( !class_exists( 'prdd_timeslot_price' ) ) {

    /**
     * Timeslot delivery charges class.
     *
     * @since 1.0
     */
    class prdd_timeslot_price {

        /**
         * Default Constructor
         * 
         * @since 1.0
         */
        public function __construct() {
            add_action( 'prdd_after_lockout_time', array( &$this, 'timeslot_price_field' ) );
            add_filter( 'prdd_save_slot_field_settings', array( &$this, 'timeslot_price_save' ), 10, 2 );
            add_action( 'prdd_add_column_names', array( &$this,'timeslot_price_column_name' ), 10, 1 ); 
            add_filter( 'prdd_add_column_value', array( &$this, 'timeslot_price_column_value' ), 10, 2 );
            //add_action( 'prdd_display_price_div', array( &$this, 'timeslot_price_div' ), 20, 1 );
            add_action( 'prdd_print_hidden_fields', array( &$this, 'timeslot_hidden_fields' ), 10, 1 );
            //add_action( 'prdd_display_updated_addon_price', array( &$this, 'timeslot_display_updated_price' ), 3, 3 );
            add_filter( 'prdd_addon_add_cart_item_data', array( &$this, 'timeslot_add_to_cart' ), 9, 4 );
            add_filter( 'prdd_get_cart_item_from_session', array( &$this, 'get_timeslot_cart_item_from_session' ), 9, 2 );
            add_filter( 'prdd_get_item_data', array( &$this, 'timeslot_get_item_data' ), 9, 2 );
            add_action( 'prdd_update_order', array( &$this, 'timeslot_order_item_meta' ), 9, 2 );
        }
            
        /**
         * Time slot charges field on admin edit product page. 
         * 
         * @hook prdd_after_lockout_time
         * @since 1.0
         */

        function timeslot_price_field() {
            ?>
            <tr>
                <th>
                    <label for="delivery_price_time"><?php _e( 'Delivery charge added for the time slot:', 'woocommerce-prdd' ); ?></label><br>
                </th>
                <td style="width:380px">
                    <input type="text" style="width:100px;" name="prdd_price_time[0]" id="prdd_price_time[0]" value="" />
                    <input type="hidden" id="prdd_slot_count" name="prdd_slot_count" value="[0]" />
                </td>
                <td>
                    <img class="help_tip" width="16" height="16" data-tip="<?php _e( 'Please enter price for the timeslot.', 'woocommerce-prdd' ); ?>" src="<?php echo plugins_url() ;?>/woocommerce/assets/images/help.png" />
                </td>
            </tr>
            <?php
        }
        
        /**
         * Save time slot charges on admin edit product page. 
         * 
         * @hook prdd_save_slot_field_settings
         *
         * @param array $date_time_settings Time slots settings to save. 
         * @param int|string $post_id Product ID. 
         *
         * @return array Time slots settings to save with time slot charges.
         * @since 1.0
         */
        function timeslot_price_save( $date_time_settings, $post_id ) {
            $woo_prdd_dates = get_post_meta( $post_id, 'woocommerce_prdd_settings', true );
            $weekdays = prdd_get_delivery_arrays( 'prdd_weekdays' );
            foreach ( $weekdays as $n => $day_name ) {
                if ( isset( $_POST[ $n ] ) && $_POST[ $n ] == 'on' || isset( $_POST[ $n ] ) && $_POST[ $n ] == '') {
                    $new_day_arr[ $n ] = $_POST[ $n ];
                }
            }
        
            $slot_count = explode( "[", $_POST[ 'prdd_slot_count' ] );
            $slot_count_value = intval( $slot_count[ 1 ] );
            $specific_delivery = array();
            if ( isset( $_POST[ 'prdd_specific_date' ] ) ) {
                $specific_delivery = $_POST[ 'prdd_specific_date' ];
            }
            $specific_delivery_dates = explode( ",", $specific_delivery );
            if( $specific_delivery != "" ) {
                foreach ( $specific_delivery_dates as $day_key => $day_value ) {
                    $date_tmstmp = strtotime( $day_value );
                    $date_save = date( 'Y-m-d',$date_tmstmp );
                    if ( isset( $_POST[ 'prdd_enable_time' ] ) && $_POST[ 'prdd_enable_time'] == "on" ) {
                        $j = 1;
                        if ( isset($woo_prdd_dates[ 'prdd_time_settings' ] ) && is_array( $woo_prdd_dates[ 'prdd_time_settings' ] ) ) { 
                            if ( array_key_exists( $day_value, $woo_prdd_dates[ 'prdd_time_settings' ] ) ) {
                                foreach ( $woo_prdd_dates[ 'prdd_time_settings' ][ $day_value ] as $dtkey => $dtvalue ) {
                                    $date_time_settings[ $day_value ][ $j ] = $dtvalue;
                                    $j++;
                                }
                            }
                        }
                        $k = 1;
                        for( $i = ( $j + 1 ); $i <= ( $j + $slot_count_value ); $i++ ) {
                            if( $_POST[ 'prdd_from_slot_hrs' ][ $k ] != 0 ) {
                                $time_settings[ 'slot_price' ] = $_POST[ 'prdd_price_time' ][ $k ];
                                $date_time_settings[ $day_value ][ $i ] = array_merge( $time_settings, $date_time_settings[ $day_value ][ $i ]);
                            }
                            $k++;
                        }
                    }
                }
            }
            if ( isset( $new_day_arr ) && count( $new_day_arr ) > 0 ) {
                foreach ( $new_day_arr as $wkey => $wvalue ) {
                    if( $wvalue == 'on' ) {
                        if ( isset( $_POST[ 'prdd_enable_time' ] ) && $_POST['prdd_enable_time' ] == "on" ) {
                            $j = 1;
                            if ( isset( $woo_prdd_dates[ 'prdd_time_settings' ] ) && is_array( $woo_prdd_dates[ 'prdd_time_settings' ] ) ) { 
                                if ( array_key_exists( $wkey, $woo_prdd_dates[ 'prdd_time_settings' ] ) ) {
                                    foreach ( $woo_prdd_dates[ 'prdd_time_settings' ][ $wkey ] as $dtkey => $dtvalue ) {
                                        $date_time_settings[ $wkey ][ $j ] = $dtvalue;
                                        $j++;
                                    }
                                }
                            }
                            $k = 1;
                            for($i = ( $j + 1 ); $i <= ( $j + $slot_count_value ); $i++ ) {
                                if( isset( $_POST[ 'prdd_from_slot_hrs' ][ $k ] ) && $_POST[ 'prdd_from_slot_hrs' ][ $k ] != 0 ) {
                                    $time_settings[ 'slot_price' ] = $_POST[ 'prdd_price_time' ][ $k ];
                                    $date_time_settings[ $wkey ][ $i ] = array_merge( $time_settings, $date_time_settings[ $wkey ][ $i ] );
                                }
                                $k++;
                            }
                        }
                    }
                }
            }
            return $date_time_settings;
        }
        
        /**
         * Add Time slot price column on Manage Dates, Time slots tab on admin edit product page. 
         * 
         * @hook prdd_add_column_names
         *
         * @param int|string $product_id Product ID. 
         *
         * @since 1.0
         */

        function timeslot_price_column_name( $product_id ) {
            ?>
            <th> <?php _e( 'Time Slot Price', 'woocommerce-prdd' ); ?> </th>
            <?php
        }
        
        /**
         * Display Time slot price on Manage Dates, Time slots tab on admin edit product page. 
         * 
         * @hook prdd_add_column_value
         *
         * @param int|string $slot_price Time slot price. 
         * @param array $date_time_settings Time slots added. 
         *
         * @return int|string Time slot price. 
         * @since 1.0
         */
        function timeslot_price_column_value( $slot_price, $date_time_settings ) {
            foreach ( $date_time_settings as $k => $v ) {
                if ( isset( $v[ 'slot_price' ] ) ) {
                    $slot_price[] = $v[ 'slot_price' ];
                } else {
                    $slot_price[] = 0;
                }
            }
            return $slot_price;
        }
        
        /**
         * Display Time slot price on frontend product page. 
         * 
         * @hook prdd_display_price_div
         *
         * @todo Unused function.
         *
         * @param int|string $product_id Product ID. 
         *
         * @since 1.0
         */

        function timeslot_price_div( $product_id ) {
            $variable_timeslot_price = prdd_timeslot_price::get_timeslot_variable_price( $product_id );
            $currency_symbol = get_woocommerce_currency_symbol();
            $show_price = 'block';
            $print_code = '<div id=\"show_addon_price\" name=\"show_addon_price\" class=\"show_addon_price\" style=\"display:' . $show_price . ';\">' . $currency_symbol . '0<\/div>';
            if( isset( $variable_timeslot_price ) && $variable_timeslot_price == 'yes' ) {
                print('<script type="text/javascript">
                    if ( jQuery( "#show_addon_price" ).length == 0 ) {
                        document.write( "' . $print_code . '" );
                    } 
                </script>');
            }
        }
        
        /**
         * Add hidden field required for time slot charges on frontend product page.  
         *
         * @hook prdd_print_hidden_fields
         *
         * @param int|string $product_id Product ID. 
         *
         * @since 1.0
         */
        function timeslot_hidden_fields( $product_id ) {
            $variable_timeslot_price = prdd_timeslot_price::get_timeslot_variable_price( $product_id );
            print( '<input type="hidden" id="wapbk_hidden_variable_timeslot_price" name="wapbk_hidden_variable_timeslot_price" value="' . $variable_timeslot_price . '">' );
        }
        
        /**
         * Checks if the time slot price is added for any of the time slot for the product. 
         *
         * @param int|string $product_id Product ID. 
         *
         * @return string 'yes' if time slot price is added, else 'no'.
         * @since 1.0
         */
        function get_timeslot_variable_price( $product_id ) {
            $slot_price = array();
            $prdd_settings = get_post_meta( $product_id, 'woocommerce_prdd_settings', true);
            if ( isset( $prdd_settings[ 'prdd_enable_time' ] ) && $prdd_settings[ 'prdd_enable_time' ] == 'on' ) {
                $time_slot_arr = $prdd_settings[ 'prdd_time_settings' ];
                if( $time_slot_arr == '' || $time_slot_arr == '' ) {
                    $time_slot_arr = array();
                }
                if ( is_array( $time_slot_arr ) && count( $time_slot_arr ) > 0 ) {
                    foreach( $time_slot_arr as $key => $value ) {
                        foreach ( $value as $k => $v ) {
                            if ( isset( $v[ 'slot_price' ] ) && $v[ 'slot_price' ] > 0 ) {
                                $slot_price[] = $v[ 'slot_price' ];
                            }
                        }
                    }
                }
            }
            $variable_timeslot_price = 'no';
            if( count( $slot_price ) > 0 ) {
                $variable_timeslot_price = 'yes';
            }
            return $variable_timeslot_price;
        }
        
        /**
         * Add time slot delivery charges to the cart item when add to cart button is clicked
         *
         * @hook prdd_addon_add_cart_item_data
         *
         * @param array $cart_arr WooCommerce cart array.
         * @param int|string $product_id Product ID. 
         * @param int|string $variation_id Variation ID for the selected attributes. 
         * @param array $cart_item_meta Cart item meta array. 
         *
         * @return array WooCommerce cart array.
         *
         * @since 1.0
         */

        function timeslot_add_to_cart( $cart_arr, $product_id, $variation_id, $cart_item_meta ) {
            $global_settings = json_decode( get_option( 'woocommerce_prdd_global_settings' ) );
            // product type
            $_product = wc_get_product( $product_id );
            if( version_compare( get_option( 'woocommerce_version' ), "3.0.0", ">=" ) ) {
                $product_type = $_product->get_type();
            } else {
                $product_type = $_product->product_type;    
            }
            // delivery date and time slot
            $delivery_date = '';
            if( isset( $cart_arr[ 'hidden_date' ] ) ) {
                $delivery_date = $cart_arr[ 'hidden_date' ];    
            }
            
            $price = prdd_common::prdd_get_price( $product_id, $variation_id, $product_type );

            $wpa_options_price = prdd_common::woo_product_addons_compatibility_cart( $cart_item_meta );
            $price = $price + $wpa_options_price;

            if ( isset( $cart_arr[ 'time_slot' ] ) ) {
                if ( is_array( $cart_arr[ 'time_slot' ] ) ) {
                    $time_slot_str = "";
                    foreach ( $cart_arr['time_slot'] as $key => $value ) {
                        $time_slot_str .= $value . ",";
                    }
                    $time_slot_length = strlen( $time_slot_str );
                    $time_slot = substr( $time_slot_str,0,$time_slot_length - 1 );
                } else {
                    $time_slot = $cart_arr[ 'time_slot' ];
                }

                $time_slot_price = $this->get_price( $product_id, $variation_id, $product_type, $delivery_date, $time_slot );
                if( $time_slot_price != '' && $time_slot_price != 0 ) {
                    // Prices
                    $cart_arr[ 'price' ] = $price + $time_slot_price;
                    $cart_arr[ 'time_slot_charges' ] = $time_slot_price;
                    if ( isset( $global_settings->prdd_enable_rounding ) && $global_settings->prdd_enable_rounding == "on" && isset( $cart_arr[ 'price' ] ) ) {
                        if ( isset( $cart_arr[ 'price' ] ) ) {
                            $cart_arr[ 'price' ] = round( $cart_arr[ 'price' ] );
                        }
                    }
                }
            }
            return $cart_arr;
        }
        
        /**
         * This function adjust the prices calculated from the plugin in the cart session.
         *  
         * @hook prdd_get_cart_item_from_session
         * 
         * @param array $cart_item Cart item data.
         * @param array $values $_POST values.
         * 
         * @return array Cart item data with delivery details.
         * @since 1.0
         */
        function get_timeslot_cart_item_from_session( $cart_item, $values ) {
            // fetch the delivery settings
            $prdd_settings = get_post_meta( $cart_item[ 'product_id' ], 'woocommerce_prdd_settings', true );
            if ( isset( $prdd_settings[ 'prdd_enable_time' ] ) && $prdd_settings[ 'prdd_enable_time' ] == 'on' ) {
                if ( isset( $values[ 'prdd_delivery' ] ) ) {
                    $cart_item[ 'prdd_delivery' ] = $values[ 'prdd_delivery' ];
                    if( $cart_item[ 'prdd_delivery' ][0][ 'date' ] != '' ) {
                        // do not adjust the price if seasonal pricing is active for the product
                        $cart_item = $this->add_cart_item( $cart_item );
                    }
                }
            }
            return $cart_item;
        }
        
        /**
         * This function adds the time slot prices data on the Cart and Checkout page.
         *
         * @hook prdd_get_item_data
         *
         * @param array $other_data Additional data to be displayed.
         * @param array $cart_item Cart item data.
         * 
         * @return array Additional data to be displayed with delivery fields.
         * @since 1.0
         */

        function timeslot_get_item_data( $other_data, $cart_item ) {
            $global_settings = json_decode( get_option( 'woocommerce_prdd_global_settings' ) );
            $currency_symbol = get_woocommerce_currency_symbol();
            if ( isset( $cart_item[ 'prdd_delivery' ] ) ) {
                $price = '';
                foreach ( $cart_item['prdd_delivery'] as $delivery ) {
                    if ( isset( $delivery['time_slot_charges'] ) ) {
                        if ( isset( $global_settings->prdd_enable_rounding ) && $global_settings->prdd_enable_rounding == "on" ) {
                            $delivery['time_slot_charges'] = round( $delivery['time_slot_charges'] );
                        } else {
                            $delivery['time_slot_charges']  =   $delivery['time_slot_charges'];
                        }
                        $time_slot_charges = get_option( 'delivery_item-cart-charges' );
                        $price .= "$currency_symbol" . $delivery[ 'time_slot_charges'];
                    }
                }
            }
             
            if ( isset( $delivery[ 'time_slot_charges' ] ) ) {
                $other_data[]           = array(
                    'name'    => get_option( 'delivery_item-cart-charges' ),
                    'display' => $price
                );
            }
            return $other_data;
        }
        
        /**
         * This function adjust the extra prices for the product with the price calculated from the plugin.
         *
         * @globals resource $wpdb WordPress object
         *
         * @param array $cart_item Cart item array
         * @return array Cart item array with adjusted price
         *
         * @since 1.0 
         */

        function add_cart_item( $cart_item ) {
            global $wpdb;
            $product_type = 'simple';
            if ( $cart_item[ 'variation_id' ] != '' ) {
                $product_type = 'variable';
            }
            $price = prdd_common::prdd_get_price( $cart_item[ 'product_id' ], $cart_item[ 'variation_id' ], $product_type );
            
            // Adjust price if addons are set
            if ( isset( $cart_item[ 'prdd_delivery' ] ) ) {
                $extra_cost = 0;
                foreach ( $cart_item[ 'prdd_delivery' ] as $addon ) {
                    if ( isset( $addon[ 'price' ] ) && $addon[ 'price' ] > 0 ) {
                        $extra_cost += $addon[ 'price' ];
                    }
                }
                
                if( version_compare( get_option( 'woocommerce_version' ), "3.0.0", ">=" ) ) {
                    $cart_item['data']->set_price( $extra_cost );
                } else {
                    $extra_cost = $extra_cost - $price;
                    $cart_item['data']->adjust_price( $extra_cost );
                }
            }       
            return $cart_item;
        }
        
        /**
         * Returns time slot prices added for the selected delivery date and time slot for the product.
         *
         * @param int|string $product_id Product ID. 
         * @param int|string $variation_id Variation ID. 
         * @param string $product_type Product type. 
         * @param string $delivery_date Selected delivery date. 
         * @param string $time_slot Selected time slot. 
         *
         * @return string Time slot price.
         *
         * @since 1.0
         */

        public static function get_price( $product_id, $variation_id, $product_type, $delivery_date, $time_slot ) {
            // set the slot price as the product base price
            $time_slot_price = $time_slot_price_total = 0;
            
            $prdd_settings = get_post_meta( $product_id, 'woocommerce_prdd_settings', true);
            if ( $time_slot != '' ) {
                // Check if multiple time slots are enabled
                $seperator_pos = strpos( $time_slot, "," );
                if ( isset( $seperator_pos ) && $seperator_pos != "" ) {
                    $time_slot_array = explode( ",", $time_slot );
                } else {
                    $time_slot_array = array();
                    $time_slot_array[] = $time_slot;
                }
                for( $i = 0; $i < count( $time_slot_array ); $i++ ) {
                    $timeslot_explode = explode( '-', $time_slot_array[ $i ] );
                    $timeslot_explode[0] = date( 'G:i', strtotime( $timeslot_explode[ 0 ] ) );
                    if ( isset( $timeslot_explode[ 1 ] ) && $timeslot_explode[ 1 ] != '' ) {
                        $timeslot_explode[1] = date( 'G:i', strtotime( $timeslot_explode[ 1 ] ) );
                    }
                    $from_hrs = explode( ':', $timeslot_explode[0] );
                    $to_hrs = array(
                            '0' => '0',
                            '1' => '00');
                    if ( isset( $timeslot_explode[ 1 ] ) && $timeslot_explode[ 1 ] != '' ) {
                        $to_hrs = explode( ':', $timeslot_explode[ 1 ] );
                    }
                    if ( isset( $prdd_settings[ 'prdd_time_settings' ] ) && count( $prdd_settings[ 'prdd_time_settings' ] ) > 0 ) {
                        foreach ( $prdd_settings[ 'prdd_time_settings' ] as $key => $value ) {
                            $delivery_date_to_check = date( 'j-n-Y', strtotime( $delivery_date ) );
                            if ( $key == $delivery_date_to_check ) {
                                foreach ( $value as $k => $v ) {
                                    if ( ( intval( $from_hrs[ 0 ] ) == intval( $v[ 'from_slot_hrs' ] ) ) && ( intval( $from_hrs[ 1 ] ) == intval( $v[ 'from_slot_min' ] ) ) && ( intval( $to_hrs[ 0 ] ) == intval( $v[ 'to_slot_hrs' ] ) ) && ( intval( $to_hrs[ 1 ] ) == intval( $v[ 'to_slot_min' ] ) ) ) {
                                        if ( isset( $v[ 'slot_price' ] ) && $v[ 'slot_price' ] != '' ) {
                                            $time_slot_price_total += $v[ 'slot_price' ];
                                        }
                                    }
                                }
                            } else {
                                $weekday = date( 'w',strtotime( $delivery_date ) );
                                $delivery_weekday = 'prdd_weekday_' . $weekday;
                                if ( $key == $delivery_weekday ) {
                                    foreach ( $value as $k => $v) {
                                        if ( ( intval( $from_hrs[ 0 ] ) == intval( $v[ 'from_slot_hrs' ] ) ) && ( intval( $from_hrs[ 1 ] ) == intval( $v[ 'from_slot_min' ] ) ) && ( intval( $to_hrs[ 0 ] ) == intval( $v[ 'to_slot_hrs' ] ) ) && ( intval( $to_hrs[ 1 ] ) == intval( $v[ 'to_slot_min' ] ) ) ) {
                                            if ( isset( $v[ 'slot_price' ] ) && $v[ 'slot_price' ] != '' ) {
                                                $time_slot_price_total += $v[ 'slot_price' ];
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                if ( $time_slot_price_total != 0 ) {
                    $time_slot_price = $time_slot_price_total;
                    $time_slot_price = $time_slot_price / count( $time_slot_array );
                }
            }
            return $time_slot_price;
        }
        
        /**
         * Add time slot prices as order item meta when order is placed.
         *
         * @hook prdd_update_order
         * 
         * @globals resource $wpdb WordPress object.
         * 
         * @param array $values Cart item values. 
         * @param resource $order Order object. 
         *
         * @since 1.0
         */

        public static function timeslot_order_item_meta( $values, $order ) {
            global $wpdb;
            $product_id = $values['product_id'];
            $quantity = $values['quantity'];
            if( isset( $values['prdd_delivery'] ) ) {
                $delivery = $values[ 'prdd_delivery' ];
            } else {
                $delivery = array();
            }

            $currency_symbol = get_woocommerce_currency_symbol();
            $saved_settings = json_decode( get_option( 'woocommerce_prdd_global_settings' ) );
            $order_item_id = $order->order_item_id;
            $order_id = $order->order_id;
            if( isset( $delivery[ 0 ][ 'time_slot_charges' ] ) && $delivery[ 0 ][ 'time_slot_charges' ] != '' ) {
                wc_add_order_item_meta( $order_item_id, get_option( 'delivery_item-meta-charges' ), $currency_symbol . $delivery[ 0 ][ 'time_slot_charges' ] );
            }
        }
    }
}
$prdd_timeslot_price = new prdd_timeslot_price();

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