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mastodon/app/models/concerns/paginable.rb
Ian McCowan c33931b613 Fix prev/next links on public profile page (#6497)
* Fix prev/next links on public profile page

* Don't make pagination urls if no available statuses

* Fix empty check method

* Put left chevron before prev page link

* Add scope for pagination "starting at" a given id

* Status pagination try 2:

s/prev/older and s/next/newer
"older" on left, "newer" on right
Use new scope for "newer" link
Extract magic 20 page size to constant
Remove max_id from feed pagination as it's not respected

* Reinstate max_id for accounts atom stream

* normalize
2018-02-26 03:31:28 +01:00

23 lines
835 B
Ruby

# frozen_string_literal: true
module Paginable
extend ActiveSupport::Concern
included do
scope :paginate_by_max_id, ->(limit, max_id = nil, since_id = nil) {
query = order(arel_table[:id].desc).limit(limit)
query = query.where(arel_table[:id].lt(max_id)) if max_id.present?
query = query.where(arel_table[:id].gt(since_id)) if since_id.present?
query
}
# Differs from :paginate_by_max_id in that it gives the results immediately following min_id,
# whereas since_id gives the items with largest id, but with since_id as a cutoff.
# Results will be in ascending order by id.
scope :paginate_by_min_id, ->(limit, min_id = nil) {
query = reorder(arel_table[:id]).limit(limit)
query = query.where(arel_table[:id].gt(min_id)) if min_id.present?
query
}
end
end