Jorge Manrubia
53 lines
1.4 KiB
Ruby
53 lines
1.4 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: :container, dependent: :destroy
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before_save :save_mentionable_content_before_save
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after_save_commit :create_mentions_later, if: :mentionable_content_changed?
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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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markdown_associations.collect do |association|
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send(association.name)&.to_plain_text
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end.compact.join(" ")
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end
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private
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def markdown_associations
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self.class.reflect_on_all_associations(:has_one).filter { it.klass == ActionText::Markdown }
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end
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def save_mentionable_content_before_save
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@mentionable_content_before_safe = self.class.find(id).mentionable_content unless new_record?
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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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def mentionable_content_changed?
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@mentionable_content_before_safe != mentionable_content
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end
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def scan_mentionees
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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 mentionable_users
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collection.users
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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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end
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