Jorge Manrubia
68 lines
1.7 KiB
Ruby
68 lines
1.7 KiB
Ruby
module Mentions
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extend ActiveSupport::Concern
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included do
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has_many :mentions, as: :source, dependent: :destroy
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has_many :mentionees, through: :mentions
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after_save_commit :create_mentions_later, if: :should_create_mentions?
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end
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def create_mentions(mentioner: Current.user)
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scan_mentionees.each do |mentionee|
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mentionee.mentioned_by mentioner, at: self
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end
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end
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def mentionable_content
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rich_text_associations.collect { send(it.name)&.to_plain_text }.compact.join(" ")
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end
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private
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def scan_mentionees
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mentionees_from_plain_text | mentionees_from_rich_text
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end
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def mentionees_from_plain_text
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scan_mentioned_handles.filter_map do |mention|
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mentionable_users.find { |user| user.mentionable_handles.include?(mention) }
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end
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end
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def scan_mentioned_handles
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mentionable_content.scan(/(?<!\w)@(\w+)/).flatten.uniq(&:downcase)
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end
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def mentionees_from_rich_text
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mentionees_from_attachments & mentionable_users
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end
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def mentionees_from_attachments
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rich_text_associations.flat_map { send(it.name)&.body&.attachments&.collect { it.attachable } }.compact
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end
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def mentionable_users
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collection.users
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end
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def rich_text_associations
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self.class.reflect_on_all_associations(:has_one).filter { it.klass == ActionText::RichText }
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end
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def should_create_mentions?
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mentionable? && mentionable_content_changed?
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end
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def mentionable_content_changed?
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rich_text_associations.any? { send(it.name)&.body_previously_changed? }
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end
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def create_mentions_later
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Mention::CreateJob.perform_later(self, mentioner: Current.user)
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end
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# Template method
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def mentionable?
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true
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end
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end
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