52 lines
1.1 KiB
Ruby
52 lines
1.1 KiB
Ruby
module SDG::Relatable
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extend ActiveSupport::Concern
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included do
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has_many :sdg_relations, as: :relatable, dependent: :destroy, class_name: "SDG::Relation"
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%w[SDG::Goal SDG::Target SDG::LocalTarget].each do |sdg_type|
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has_many sdg_type.constantize.table_name.to_sym,
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through: :sdg_relations,
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source: :related_sdg,
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source_type: sdg_type
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end
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end
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class_methods do
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def by_goal(code)
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by_sdg_related(SDG::Goal, code)
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end
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def by_target(code)
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by_sdg_related(SDG::Target, code)
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end
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def by_sdg_related(sdg_class, code)
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return all if code.blank?
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joins(sdg_class.table_name.to_sym).merge(sdg_class.where(code: code))
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end
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end
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def related_sdgs
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sdg_relations.map(&:related_sdg)
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end
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def sdg_goal_list
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sdg_goals.order(:code).map(&:code).join(", ")
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end
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def sdg_target_list
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sdg_targets.sort.map(&:code).join(", ")
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end
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def sdg_target_list=(codes)
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targets = codes.tr(" ", "").split(",").map { |code| SDG::Target[code] }
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transaction do
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self.sdg_targets = targets
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self.sdg_goals = targets.map(&:goal).uniq
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end
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end
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end
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