28 lines
913 B
Ruby
28 lines
913 B
Ruby
# frozen_string_literal: true
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class EmojiReactionValidator < ActiveModel::Validator
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SUPPORTED_EMOJIS = Oj.load(File.read(Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_map.json'))).keys.freeze
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LIMIT = 8
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def validate(reaction)
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return if reaction.name.blank?
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reaction.errors.add(:name, I18n.t('reactions.errors.unrecognized_emoji')) if reaction.custom_emoji_id.blank? && !unicode_emoji?(reaction.name)
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reaction.errors.add(:base, I18n.t('reactions.errors.limit_reached')) if new_reaction?(reaction) && limit_reached?(reaction)
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end
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private
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def unicode_emoji?(name)
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SUPPORTED_EMOJIS.include?(name)
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end
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def new_reaction?(reaction)
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!reaction.status.emoji_reactions.where(name: reaction.name).exists?
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end
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def limit_reached?(reaction)
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reaction.status.emoji_reactions.where.not(name: reaction.name).count('distinct name') >= LIMIT
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end
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end
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