115 lines
1.6 KiB
Ruby
115 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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class Trends::Query
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include Enumerable
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attr_reader :klass, :loaded
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alias loaded? loaded
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def initialize(_prefix, klass)
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@klass = klass
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@records = []
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@loaded = false
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@allowed = false
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@account = nil
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@limit = nil
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@offset = nil
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end
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def allowed!
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@allowed = true
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self
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end
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def allowed
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clone.allowed!
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end
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def filtered_for!(account)
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@account = account
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self
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end
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def filtered_for(account)
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clone.filtered_for!(account)
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end
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def in_locale!(value)
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@locale = value
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self
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end
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def in_locale(value)
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clone.in_locale!(value)
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end
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def offset!(value)
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@offset = value.to_i
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self
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end
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def offset(value)
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clone.offset!(value)
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end
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def limit!(value)
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@limit = value.to_i
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self
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end
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def limit(value)
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clone.limit!(value)
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end
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def records
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load
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@records
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end
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delegate :each, :empty?, :first, :last, :size, to: :records
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def to_ary
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records.dup
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end
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alias to_a to_ary
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def to_arel
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raise NotImplementedError
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end
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private
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def load
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unless loaded?
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@records = perform_queries
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@loaded = true
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end
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self
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end
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def perform_queries
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to_arel.to_a
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end
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def language_order_clause
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Arel::Nodes::Case.new.when(language_is_preferred).then(1).else(0).desc
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end
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def language_is_preferred
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trend_class
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.arel_table[:language]
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.in(preferred_languages)
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end
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def preferred_languages
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if @account&.chosen_languages.present?
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@account.chosen_languages
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else
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@locale
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end
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end
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end
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