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Edit File: wc-product-export.js

/*global ajaxurl, wc_product_export_params */
;(function ( $, window ) {
	/**
	 * productExportForm handles the export process.
	 */
	var productExportForm = function( $form ) {
		this.$form = $form;
		this.xhr   = false;

// Initial state.
		this.$form.find('.woocommerce-exporter-progress').val( 0 );

// Methods.
		this.processStep = this.processStep.bind( this );

// Events.
		$form.on( 'submit', { productExportForm: this }, this.onSubmit );
		$form.find( '.woocommerce-exporter-types' ).on( 'change', { productExportForm: this }, this.exportTypeFields );
	};

/**
	 * Handle export form submission.
	 */
	productExportForm.prototype.onSubmit = function( event ) {
		event.preventDefault();

var currentDate    = new Date(),
			day            = currentDate.getDate(),
			month          = currentDate.getMonth() + 1,
			year           = currentDate.getFullYear(),
			timestamp      = currentDate.getTime(),
			filename       = 'wc-product-export-' + day + '-' + month + '-' + year + '-' + timestamp + '.csv';

event.data.productExportForm.$form.addClass( 'woocommerce-exporter__exporting' );
		event.data.productExportForm.$form.find('.woocommerce-exporter-progress').val( 0 );
		event.data.productExportForm.$form.find('.woocommerce-exporter-button').prop( 'disabled', true );
		event.data.productExportForm.processStep( 1, $( this ).serialize(), '', filename );
	};

/**
	 * Process the current export step.
	 */
	productExportForm.prototype.processStep = function( step, data, columns, filename ) {
		var $this              = this,
			selected_columns   = $( '.woocommerce-exporter-columns' ).val(),
			export_meta        = $( '#woocommerce-exporter-meta:checked' ).length ? 1: 0,
			export_types       = $( '.woocommerce-exporter-types' ).val(),
			export_category    = $( '.woocommerce-exporter-category' ).val(),
			export_product_ids = $this.$form.find('input[name="product_ids"]').val() || '';

$.ajax( {
			type: 'POST',
			url: ajaxurl,
			data: {
				form               : data,
				action             : 'woocommerce_do_ajax_product_export',
				step               : step,
				columns            : columns,
				selected_columns   : selected_columns,
				export_meta        : export_meta,
				export_types       : export_types,
				export_category    : export_category,
				export_product_ids : export_product_ids,
				filename           : filename,
				security           : wc_product_export_params.export_nonce
			},
			dataType: 'json',
			success: function( response ) {
				if ( response.success ) {
					if ( 'done' === response.data.step ) {
						$this.$form.find('.woocommerce-exporter-progress').val( response.data.percentage );
						window.location = response.data.url;
						setTimeout( function() {
							$this.$form.removeClass( 'woocommerce-exporter__exporting' );
							$this.$form.find('.woocommerce-exporter-button').prop( 'disabled', false );
						}, 2000 );
					} else {
						$this.$form.find('.woocommerce-exporter-progress').val( response.data.percentage );
						$this.processStep( parseInt( response.data.step, 10 ), data, response.data.columns, filename );
					}
				}

}
		} ).fail( function( response ) {
			window.console.log( response );
		} );
	};

/**
	 * Handle fields per export type.
	 */
	productExportForm.prototype.exportTypeFields = function() {
		var exportCategory = $( '.woocommerce-exporter-category' );

if ( -1 !== $.inArray( 'variation', $( this ).val() ) ) {
			exportCategory.closest( 'tr' ).hide();
			exportCategory.val( '' ).trigger( 'change' ); // Reset WooSelect selected value.
		} else {
			exportCategory.closest( 'tr' ).show();
		}
	};

/**
	 * Function to call productExportForm on jquery selector.
	 */
	$.fn.wc_product_export_form = function() {
		new productExportForm( this );
		return this;
	};

$( '.woocommerce-exporter' ).wc_product_export_form();

})( jQuery, window );