Specify a custom vacation subject

User can now specify a custom vacation subject. For Sieve servers
implementing the variables extension, one can write ${subject} to insert
the original subject in the auto reply.

SOGoDefaultVacationSubject is a new domain defaults parameter used when
the user doesn't specify a custom subject.

Fixes #685, #1447

UI/PreferencesUI/English.lproj/Localizable.strings

@@ -36,6 +36,9 @@
 
 /* vacation (auto-reply) */
 "Enable vacation auto reply" = "Enable vacation auto reply";
+"Enable custom auto reply subject" = "Enable custom auto reply subject";
+"Auto reply subject" = "Auto reply subject";
+"You can write ${subject} to insert the original subject" = "You can write ${subject} to insert the original subject";
 "Auto reply message" = "Auto reply message";
 "Email addresses (separated by commas)" = "Email addresses (separated by commas)";
 "Add default email addresses" = "Add default email addresses";

UI/PreferencesUI/UIxJSONPreferences.m

@@ -72,11 +72,11 @@ static SoProduct *preferencesProduct = nil;
 
 - (WOResponse *) jsonDefaultsAction
 {
-  NSMutableDictionary *values, *account;
+  NSMutableDictionary *values, *account, *vacation;
   SOGoUserDefaults *defaults;
   SOGoDomainDefaults *domainDefaults;
   NSMutableArray *accounts;
-  NSDictionary *categoryLabels;
+  NSDictionary *categoryLabels, *vacationOptions;
   NSDictionary *locale;
 
   if (!preferencesProduct)
@@ -312,7 +312,7 @@ static SoProduct *preferencesProduct = nil;
   values = [[[[defaults source] values] mutableCopy] autorelease];
 
   //
-  // Expose additional information that must not be synchronized in the defaults
+  // Expose additional information that must *not* be synchronized in the defaults
   //
 
   // Expose the SOGoAppointmentSendEMailNotifications configuration parameter from the domain defaults
@@ -343,6 +343,18 @@ static SoProduct *preferencesProduct = nil;
   [accounts insertObject: account  atIndex: 0];
   [values setObject: accounts  forKey: @"AuxiliaryMailAccounts"];
 
+  // Add the domain's default vacation subject if user has not specified a custom subject
+  vacationOptions = [defaults vacationOptions];
+  if (![vacationOptions objectForKey: @"customSubject"] && [domainDefaults vacationDefaultSubject])
+    {
+      if (vacationOptions)
+        vacation = [NSMutableDictionary dictionaryWithDictionary: vacationOptions];
+      else
+        vacation = [NSMutableDictionary dictionary];
+
+      [vacation setObject: [domainDefaults vacationDefaultSubject] forKey: @"customSubject"];
+      [values setObject: vacation forKey: @"Vacation"];
+    }
 
   return [self responseWithStatus: 200 andJSONRepresentation: values];
 }

UI/Templates/PreferencesUI/UIxPreferences.wox

@@ -818,6 +818,24 @@
 
               <div class="md-inline-form" layout="column" flex-offset="5" ng-show="app.preferences.defaults.Vacation.enabled == 1">
 
+                <div layout="row">
+                  <md-checkbox
+                      ng-model="app.preferences.defaults.Vacation.customSubjectEnabled"
+                      ng-true-value="1"
+                      ng-false-value="0"
+                      label:aria-label="Enable custom auto reply subject">
+                  <!-- enable auto reply subject --></md-checkbox>
+                  <md-input-container class="md-block md-flex">
+                    <label><var:string label:value="Auto reply subject"/></label>
+                    <input type="text"
+                           ng-disabled="!app.preferences.defaults.Vacation.customSubjectEnabled"
+                           ng-model="app.preferences.defaults.Vacation.customSubject"/>
+                    <div class="sg-hint" ng-show="app.sieveVariablesCapability">
+                      <var:string label:value="You can write ${subject} to insert the original subject"/>
+                    </div>
+                  </md-input-container>
+                </div>
+
                 <md-input-container class="md-block md-flex">
                   <label><var:string label:value="Auto reply message"/></label>
                   <var:if condition="vacationHeader.length">

UI/WebServerResources/js/Preferences/PreferencesController.js

@@ -37,6 +37,7 @@
     vm.timeZonesList = window.timeZonesList;
     vm.timeZonesListFilter = timeZonesListFilter;
     vm.timeZonesSearchText = '';
+    vm.sieveVariablesCapability = ($window.sieveCapabilities.indexOf('variables') >= 0);
 
     // Fetch a flatten version of the mailboxes list of the main account (0)
     // This list will be forwarded to the Sieve filter controller

UI/WebServerResources/scss/components/input/input.scss

@@ -16,14 +16,18 @@ md-input-container {
     // Temporary fix for https://github.com/angular/material/issues/6214
     min-height: 0 !important;
   }
+  .sg-hint {
+    @extend .md-char-counter;
+    @include rtl(text-align, left, right);
+  }
 }
 
-md-input-container .bgroup {
-  display: block;
-}
-.bgroup b {
-  left-margin: -1.25em;
-}
+//md-input-container .bgroup {
+//  display: block;
+//}
+//.bgroup b {
+//  left-margin: -1.25em;
+//}
 
 md-autocomplete .sg-input-no-message [md-floating-label] {
   md-input-container {