Allow resume gender field to be set back to "unspecified"

Bug1171365

Change-Id: I865dc0d69d6f5a29b4d8d8d4763d393011d2f7da

htdocs/artefact/resume/index.php

@@ -101,6 +101,7 @@ $personalinformationform = pieform(array(
                     'defaultvalue' => ((!empty($personalinformation))
                         ? $personalinformation->get_composite('gender') : null),
                     'options' => array(
+                        '' => get_string('gendernotspecified', 'artefact.resume'),
                         'female' => get_string('female', 'artefact.resume'),
                         'male'   => get_string('male', 'artefact.resume'),
                     ),

htdocs/artefact/resume/lang/en.utf8/artefact.resume.php

@@ -51,6 +51,7 @@ $string['visastatus'] = 'Visa status';
 $string['female'] = 'Female';
 $string['male'] = 'Male';
 $string['gender'] = 'Gender';
+$string['gendernotspecified'] = '(Not specified)';
 $string['maritalstatus'] = 'Marital status';
 $string['resumesaved'] = 'Résumé saved';
 $string['resumesavefailed'] = 'Failed to update your résumé';

htdocs/artefact/resume/lib.php

@@ -355,6 +355,9 @@ class ArtefactTypePersonalinformation extends ArtefactTypeResume {
             if ($field == 'dateofbirth' && !empty($value)) {
                 $value = db_format_timestamp($value);
             }
+            if ($field == 'gender' && $value=='') {
+                $value = null;
+            }
             $data->{$field} = $value;
         }
         if (!$have_composites) {