Changelog

2018.02.27

Add only_columns
Update tests for ActiveAdmin 1.2

2018.02.19

fix unnecessary database access
update tests

2013.10.12

Upgraded to most recent version of Axlsx. This introduces some non-backwards compatible changes and pushes rubyzip up to 1.0.0
Added support for scoped collections #18
Added support to specify whitelist in in configuration. This will clear all columns and you can then specify only the fields you want.
Added support for skip_header in the builder/DSL.
Moved initialization into after config block in an attempt to not crunch assets:precompile

2013.06.02 Release 2.1.2

builder#collection is now set on serialize and is available in before and after filters.
Code cleanup

2013.04.18 Release 2.1.1

Fixed issue with repeating data in sheets across downloads
Updated to use activeadmin 0.6.0+ which supports plugins.

2013.03.21 Release 2.0.1

Fixed an issue with missing objects when using the DSL. Huge thanks to @fivell

2012.11.29 Release 2.0.0

resouce content column are now pre-populated.
added before and after filters
100% spec coverage

2012.11.16

Fixed DSL referencing
Added delete_columns to builder and DSL