Add post status administration (#105)

app/workflows/EnsureCoherentOrderingWorkflow.rb

@@ -0,0 +1,22 @@
+class EnsureCoherentOrderingWorkflow
+  attr_accessor :entity_classname, :column_name
+
+  def initialize(entity_classname: "", column_name: "")
+    @entity_classname = entity_classname
+    @column_name = column_name
+  end
+
+  def run
+    column_name_sanitized = ActiveRecord::Base.connection.quote_column_name(column_name)
+
+    entity_records = entity_classname.order("#{column_name_sanitized} ASC")
+
+    entity_records.each_with_index do |entity_record, order|
+      entity_record[column_name] = order
+    end
+
+    entity_classname.transaction do
+      entity_records.each(&:save!)
+    end
+  end
+end