Created
September 5, 2013 04:18
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kaminari + JSON API pagination helper
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def paginate(scope, default_per_page = 20) | |
collection = scope.page(params[:page]).per((params[:per_page] || default_per_page).to_i) | |
current, total, per_page = collection.current_page, collection.num_pages, collection.limit_value | |
return [{ | |
pagination: { | |
current: current, | |
previous: (current > 1 ? (current - 1) : nil), | |
next: (current == total ? nil : (current + 1)), | |
per_page: per_page, | |
pages: total, | |
count: collection.total_count | |
} | |
}, collection] | |
end |
In addition to the @AhmedKamal20 answer above.
Its better to use the pre given methods by kaminari gem for all the values. Also, in my case I also need the data as well so also added that as well in the pagination.
app/views/shared/_pagination.json.jbuilder
json.pagination do
json.current collection.current_page
json.previous collection.prev_page
json.next collection.next_page
json.limit collection.limit_value
json.total_pages collection.total_pages
json.total_count collection.total_count
json.data collection # if want to send the data as well. In my case I am sending data.
end
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Nice script.
Thanks!