55 lines
1.8 KiB
Ruby
55 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Graphql
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module Pagination
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module Keyset
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module Conditions
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class BaseCondition
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# @param [Arel::Table] arel_table for the relation being ordered
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# @param [Array<OrderInfo>] order_list of extracted orderings
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# @param [Array] values from the decoded cursor
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# @param [Array<String>] operators determining sort comparison
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# @param [Symbol] before_or_after indicates whether we want
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# items :before the cursor or :after the cursor
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def initialize(arel_table, order_list, values, operators, before_or_after)
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@arel_table, @order_list, @values, @operators, @before_or_after = arel_table, order_list, values, operators, before_or_after
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@before_or_after = :after unless [:after, :before].include?(@before_or_after)
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end
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def build
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raise NotImplementedError
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end
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private
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attr_reader :arel_table, :order_list, :values, :operators, :before_or_after
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def table_condition(order_info, value, operator)
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if order_info.named_function
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target = order_info.named_function
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value = value&.downcase if target&.name&.downcase == 'lower'
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else
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target = arel_table[order_info.attribute_name]
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end
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case operator
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when '>'
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target.gt(value)
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when '<'
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target.lt(value)
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when '='
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target.eq(value)
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when 'is_null'
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target.eq(nil)
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when 'is_not_null'
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target.not_eq(nil)
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end
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end
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end
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end
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end
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end
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end
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end
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