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I am currently using the acts-as-taggable-on gem to add tags to my Pieces model.

I am using elasticsearch to add an index of the tags to Pieces.

However to update the index when a tagging is created I need to make the associations 

belongs_to :taggable, touch: true

In the Tagging model.

Here is a link to the Tagging model in acts-as-taggable-on

How can I add the touch: true association to the Taggings model so that my Piece index is updated when I create a Tagging for that piece?

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1 Answers1

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Ok I figured it out.

There are two steps to this. First you must set up the belongs_to association in the Tagging model to include the "touch: true" option. This can be done in the acts_as_taggable.rb initializer like so:

ActsAsTaggableOn::Tagging.belongs_to :taggable, polymorphic: true, touch: true

Next we need to tell elasticsearch to reindex the Piece index every time a Piece is touched. This can be done by adding the following callback to the Piece model:

after_touch() { __elasticsearch__.index_document }
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