70 lines
1.9 KiB
Ruby
70 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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class ThemeModifierSet < ActiveRecord::Base
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class ThemeModifierSetError < StandardError; end
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belongs_to :theme
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MODIFIERS ||= {
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serialize_topic_excerpts: { combine_mode: :any, type: :boolean },
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csp_extensions: { combine_mode: :flatten, type: :string_array },
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svg_icons: { combine_mode: :flatten, type: :string_array },
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}
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validate :type_validator
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def type_validator
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MODIFIERS.each do |k, config|
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value = public_send(k)
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next if value.nil?
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case config[:type]
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when :boolean
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next if [true, false].include?(value)
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when :string_array
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next if value.is_a?(Array) && value.all? { |v| v.is_a?(String) }
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end
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errors.add(k, :invalid)
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end
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end
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after_save do
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if saved_change_to_svg_icons?
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SvgSprite.expire_cache
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end
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if saved_change_to_csp_extensions?
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CSP::Extension.clear_theme_extensions_cache!
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end
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end
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# Given the ids of multiple active themes / theme components, this function
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# will combine them into a 'resolved' behavior
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def self.resolve_modifier_for_themes(theme_ids, modifier_name)
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return nil if !(config = MODIFIERS[modifier_name])
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all_values = self.where(theme_id: theme_ids).where.not(modifier_name => nil).pluck(modifier_name)
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case config[:combine_mode]
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when :any
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all_values.any?
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when :flatten
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all_values.flatten(1)
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else
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raise ThemeModifierSetError "Invalid theme modifier combine_mode"
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end
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end
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end
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# == Schema Information
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#
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# Table name: theme_modifier_sets
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#
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# id :bigint not null, primary key
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# theme_id :bigint not null
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# serialize_topic_excerpts :boolean
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# csp_extensions :string is an Array
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# svg_icons :string is an Array
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#
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# Indexes
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#
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# index_theme_modifier_sets_on_theme_id (theme_id) UNIQUE
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#
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