Add template variables for determining if a story has photos, and how many it has.

Tests, help, i18n.

lib/WebGUI/Asset/Story.pm

@@ -763,8 +763,10 @@ sub viewTemplateVariables {
     $var->{updatedTimeEpoch} = $self->get('revisionDate');
 
     $var->{crumb_loop}       = $self->getCrumbTrail();
+    my $photoData = $self->getPhotoData;
     $var->{photo_loop}       = [];
-    PHOTO: foreach my $photo (@{ $self->getPhotoData}) {
+    my $photoCounter = 0;
+    PHOTO: foreach my $photo (@{ $photoData }) {
         next PHOTO unless $photo->{storageId};
         my $storage  = WebGUI::Storage->get($session, $photo->{storageId});
         my $file = $storage->getFiles->[0];
@@ -777,8 +779,11 @@ sub viewTemplateVariables {
             imageAlt     => $photo->{alt},
             imageTitle   => $photo->{title},
             imageLink    => $photo->{url},
-        }
+        };
+        ++$photoCounter;
     }
+    $var->{hasPhotos}   = $photoCounter;
+    $var->{singlePhoto} = $photoCounter == 1;
     return $var;
 }
 

lib/WebGUI/Help/Asset_Story.pm

@@ -80,6 +80,8 @@ our $HELP = {
                 },
               ],
             },
+            { name      => 'hasPhotos',   },
+            { name      => 'singlePhoto', },
             { name      => 'photo_loop',
               'variables' => [
                 { name      => 'imageUrl', },

lib/WebGUI/i18n/English/Asset_Story.pm

@@ -428,6 +428,24 @@ our $I18N = {
         lastUpdated => 0,
     },
 
+    'hasPhotos' => {
+        message => q|This template variable will be true if the Story has photos uploaded to it.|,
+        context => q|Template variable|,
+        lastUpdated => 0,
+    },
+
+    'singlePhoto' => {
+        message => q|This template variable will be true if the Story has just 1 photo uploaded to it.|,
+        context => q|Template variable|,
+        lastUpdated => 0,
+    },
+
+    'imageLink' => {
+        message => q|A URL for the image to link to.|,
+        context => q|Template variable|,
+        lastUpdated => 0,
+    },
+
 };
 
 1;