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fa0c71f0d9
* allow pagination by min_id and max_id * also AccountConversation allows min_id,max_id pair * also home,list TL allows min_id,max_id pair
33 lines
1.2 KiB
Ruby
33 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module Paginable
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extend ActiveSupport::Concern
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included do
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scope :paginate_by_max_id, ->(limit, max_id = nil, since_id = nil) {
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query = order(arel_table[:id].desc).limit(limit)
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query = query.where(arel_table[:id].lt(max_id)) if max_id.present?
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query = query.where(arel_table[:id].gt(since_id)) if since_id.present?
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query
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}
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# Differs from :paginate_by_max_id in that it gives the results immediately following min_id,
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# whereas since_id gives the items with largest id, but with since_id as a cutoff.
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# Results will be in ascending order by id.
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scope :paginate_by_min_id, ->(limit, min_id = nil, max_id = nil) {
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query = reorder(arel_table[:id]).limit(limit)
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query = query.where(arel_table[:id].gt(min_id)) if min_id.present?
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query = query.where(arel_table[:id].lt(max_id)) if max_id.present?
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query
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}
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def self.to_a_paginated_by_id(limit, options = {})
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if options[:min_id].present?
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paginate_by_min_id(limit, options[:min_id], options[:max_id]).reverse
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else
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paginate_by_max_id(limit, options[:max_id], options[:since_id]).to_a
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end
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end
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end
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end
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