#434

backend/app/services/counts_defaults.rb

@@ -11,22 +11,32 @@ class CountsDefaults
         'sort' => 'a0:desc', 'conditions' => '' } }]
     result << { definition: 'latest', mode: 'summary', params: {
         'rows' => '', 'cols' => '', 'conditions' => '', 'tags' => '' } }
-    if resource == 'posts'
-      result += [{ definition: 'latest', mode: 'details', params: {
-              'columns' => POST_COLUMNS.join(' '), 'order' => POST_COLUMNS.join(' '),
-              'children' => 'tags.name parents.id', 'nested_json' => '0',
-              'conditions' => '', 'tags' => '' } }]
-    end
-    if resource == 'tags'
-      columns = ['resource_id', 'version_no', 'is_latest', 'name', 'category',
-                 'aliases', 'parents', 'deprecated', 'event_type', 'user', 'created_at']
-      result << { definition: 'latest', mode: 'details', params: {
-          'columns' => columns.join(' '), 'order' => columns.join(' '),
-          'children' => 'aliases.name parents.name', 'nested_json' => '0' } }
+    details = detail_params(resource)
+    if details
+      ['latest', 'history'].each do |definition|
+        result << { definition:, mode: 'details', params: details }
+      end
     end
     result
   end
 
+  def self.detail_params(resource)
+    if resource == 'posts'
+      return { 'columns' => POST_COLUMNS.join(' '), 'order' => POST_COLUMNS.join(' '),
+               'children' => 'tags.name parents.id', 'nested_json' => '0',
+               'conditions' => '', 'tags' => '' }
+    end
+    unless resource == 'tags'
+      return { 'columns' => CountsExportProjection.default_columns(resource).join(' '),
+               'children' => CountsExportProjection.default_children(resource).join(' ') }
+    end
+
+    columns = ['resource_id', 'version_no', 'is_latest', 'name', 'category',
+               'aliases', 'parents', 'deprecated', 'event_type', 'user', 'created_at']
+    { 'columns' => columns.join(' '), 'order' => columns.join(' '),
+      'children' => 'aliases.name parents.name', 'nested_json' => '0' }
+  end
+
   def self.for(params)
     settings = entries(params.fetch('resource', 'posts')).find do |entry|
       entry[:definition] == params.fetch('definition', 'latest') &&