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functions.php
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functions.php
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<?php
function run_wet_email_script(){
global $wet_testing_email_class, $wet_testing_email_class_additional;
// the email type to send
$email_class = get_query_var('wc_email_testing');
// check type is in array
if( !array_key_exists( $email_class, $wet_testing_email_class) && !array_key_exists( $email_class, $wet_testing_email_class_additional ) ){
echo "Invalid email type";
exit();
}
// assign email address and order id variables
if( get_option( "wc_email_testing_order_id", false ) == 'latest' ){
$wc_email_testing_order_id = '';
} else {
$wc_email_testing_order_id = get_option( "wc_email_testing_order_id", false );
}
if( ! $wc_email_testing_order_id ) {
// get a valid and latest order_id ( if no order is has been selected )
global $wpdb;
$order_id_query = 'SELECT order_id FROM '.$wpdb->prefix.'woocommerce_order_items ORDER BY order_item_id DESC LIMIT 1';
$order_id = $wpdb->get_results( $order_id_query );
if( empty( $order_id ) ) {
echo "No order within your WooCommerce shop. Please create a test order first to test the emails";
return;
} else {
$wc_email_testing_order_id = $order_id[0]->order_id ;
}
}
$for_filter = strtolower( str_replace( 'WC_Email_', '' , $email_class ) );
// change email address within order to saved option
add_filter( 'woocommerce_email_recipient_'.$for_filter , 'wet_email_recipient_filter_function', 10, 2);
function wet_email_recipient_filter_function($recipient, $object) {
if( get_option( "wc_email_testing_email", false ) ) {
$wc_email_testing_email = get_option( "wc_email_testing_email", false );
} else {
$wc_email_testing_email = "";
}
$recipient = $wc_email_testing_email;
return $recipient;
}
// change subject link
$subject_filter_prefix = 'woocommerce_email_subject_';
$subject_filter = $for_filter;
add_filter($subject_filter_prefix.$subject_filter , 'wet_change_admin_email_subject', 1, 2);
function wet_change_admin_email_subject( $subject, $order ) {
//global $woocommerce;
$subject = "Testing: ".$subject;
return $subject;
}
// email send toggle
add_filter('woocommerce_email_enabled_'.$for_filter , 'wet_change_email_enabled', 1, 2);
function wet_change_email_enabled( $enabled, $order ) {
if( get_option( "wc_email_testing_email", false ) ) {
return true;
} else {
return false;
}
}
if( isset( $GLOBALS['wc_advanced_notifications'] ) ) {
unset( $GLOBALS['wc_advanced_notifications'] );
}
// load the email classs
$wc_emails = new WC_Emails( );
$emails = $wc_emails->get_emails();
// select the email we want
$new_email = $emails[ $email_class ];
// if it gets a variable from Preview button. Else just send the email out.
if(isset($_GET["preview"])) {
// Make sure email isn't sent to customer (by Muhammad Usama M.)
add_filter( 'woocommerce_email_enabled_' . $new_email->id , '__return_false' );
add_filter( 'woocommerce_email_recipient_' . $new_email->id , '__return_false' );
if( $for_filter == 'customer_note' ) {
$new_email->trigger( array( 'order_id'=>$wc_email_testing_order_id ) );
} else {
$new_email->trigger( $wc_email_testing_order_id );
}
// echo the email content for browser
echo apply_filters( 'woocommerce_mail_content', $new_email->style_inline( $new_email->get_content_html() ) );
} else {
if( $for_filter == 'customer_note' ) {
$new_email->trigger( array( 'order_id'=>$wc_email_testing_order_id ) );
} else {
$new_email->trigger( $wc_email_testing_order_id );
}
// redirect back on the form after email sent
// set GET variable "emailSent" for admin notification "Email Sent".
wp_redirect(admin_url('admin.php?page=wc-email-testing&emailSent'));
}
}
function wet_get_order_id_select_field( $wc_email_testing_order_id ) {
global $wpdb;
$order_id_query = 'SELECT ID as order_id FROM '.$wpdb->prefix . 'posts'.' WHERE post_type = "shop_order" GROUP BY ID ORDER BY ID DESC LIMIT 100';
$order_id = $wpdb->get_results( $order_id_query );
if( empty( $order_id ) ) {
return "<strong style='color:red;'>No orders to display</strong><br><strong style='color:red;'>Please create at least one order</strong>";
} else {
$order_id_select_options = "<option value='latest'>Latest</option>";
foreach( $order_id as $id ) {
$order_id_select_options .= "<option value='{$id->order_id}'>#{$id->order_id}</option>";
}
$order_id_select_options = str_replace( "value='{$wc_email_testing_order_id}'", "value='{$wc_email_testing_order_id}' selected", $order_id_select_options );
$order_id_select = "<select id='wc_email_testing_order_id' name='wc_email_testing_order_id'>{$order_id_select_options}</select>";
return $order_id_select;
}
}
function wet_update_testing_email_options() {
$updated = false;
if( isset( $_POST['nonce'] ) && wp_verify_nonce( $_POST['nonce'], 'wet_update_form' ) ) {
if( isset( $_POST['wc_email_testing_email'] ) ){
if( $_POST['wc_email_testing_email'] == get_option("wc_email_testing_email") ){
$updated = true;
$email = true;
} else {
$result = update_option( "wc_email_testing_email", sanitize_email( $_POST['wc_email_testing_email'] ) );
if( $result ){
$updated = true;
$email = true;
} else {
$email = false;
}
}
} else {
$result = update_option( "wc_email_testing_email", "" );
$updated = true;
$email = true;
}
if( isset( $_POST['wc_email_testing_order_id'] ) ){
$result = update_option( "wc_email_testing_order_id", intval( $_POST['wc_email_testing_order_id'] ) );
$updated = true;
}
if( !$email ) {
echo "<div id='message' class='error fade'><p><strong>Your email looks invalid</strong></p></div>";
} else {
if( $updated ) {
echo "<div id='message' class='updated fade'><p><strong>Your settings have been saved.</strong></p></div>";
}
}
}
return $updated;
}
function wet_get_testing_email_options() {
$return = array();
if( get_option( "wc_email_testing_email", "false" ) ) {
$return['wc_email_testing_email'] = get_option( "wc_email_testing_email", "" );
} else {
$return['wc_email_testing_email'] = '';
}
if( get_option( "wc_email_testing_order_id", "false" ) ) {
$return['wc_email_testing_order_id'] = get_option( "wc_email_testing_order_id", "false" );
} else {
$return['wc_email_testing_order_id'] = '';
}
return $return;
}