#365 Use the ticket/replies HTML property for emails

Check the latest reply, or if there are no replies, the `html` property of the ticket.  If html is 1, then convert html to plaintext, otherwise leave it alone.

inc/email_functions.inc.php

@@ -672,8 +672,8 @@ function hesk_processMessage($msg, $ticket, $is_admin, $is_ticket, $just_message
                 $msg = str_replace('%%MESSAGE_NO_ATTACHMENTS%%', $htmlMessage, $msg);
                 return str_replace('%%MESSAGE%%', $htmlMessage, $msg);
             }
-            if ($modsForHesk_settings['rich_text_for_tickets']
-                || $modsForHesk_settings['rich_text_for_tickets_for_customers']) {
+            $message_has_html = checkForHtml($ticket);
+            if ($message_has_html) {
                 if (!function_exists('convert_html_to_text')) {
                     require(HESK_PATH . 'inc/html2text/html2text.php');
                 }
@@ -759,8 +759,8 @@ function hesk_processMessage($msg, $ticket, $is_admin, $is_ticket, $just_message
             $msg = str_replace('%%MESSAGE%%', $htmlMessage, $msg);
         } else {
             $plainTextMessage = $ticket['message'];
-            if ($modsForHesk_settings['rich_text_for_tickets']
-                || $modsForHesk_settings['rich_text_for_tickets_for_customers']) {
+            $message_has_html = checkForHtml($ticket);
+            if ($message_has_html) {
                 if (!function_exists('convert_html_to_text')) {
                     require(HESK_PATH . 'inc/html2text/html2text.php');
                 }
@@ -842,3 +842,14 @@ function processDirectAttachments($emailMethod, $postfields = NULL, $boundary =
         return $attachments;
     }
 }
+
+function checkForHtml($ticket) {
+    global $hesk_settings;
+
+    $repliesRs = hesk_dbQuery("SELECT * FROM `" . hesk_dbEscape($hesk_settings['db_pfix']) . "replies` WHERE `replyto` = ".intval($ticket['id']) . " ORDER BY `id` DESC LIMIT 1");
+    if (hesk_dbNumRows($repliesRs) != 1) {
+        return $ticket['html'];
+    }
+    $reply = hesk_dbFetchAssoc($repliesRs);
+    return $reply['html'];
+}

inc/posting_functions.inc.php

@@ -168,7 +168,8 @@ function hesk_newTicket($ticket, $isVerified = true)
         'dt' => hesk_date(),
         'lastchange' => hesk_date(),
         'id' => hesk_dbInsertID(),
-        'language' => $language
+        'language' => $language,
+        'html' => $ticket['html']
     );
 
     // Add custom fields to the array