1 files changed, 0 insertions, 89 deletions
diff --git a/app/models/concerns/mentionable.rb b/app/models/concerns/mentionable.rb
deleted file mode 100644
index b7882a2bb16..00000000000
--- a/app/models/concerns/mentionable.rb
+++ /dev/null
@@ -1,89 +0,0 @@
-# == Mentionable concern
-#
-# Contains functionality related to objects that can mention Users, Issues, MergeRequests, or Commits by
-# GFM references.
-#
-# Used by Issue, Note, MergeRequest, and Commit.
-#
-module Mentionable
-  extend ActiveSupport::Concern
-
-  module ClassMethods
-    # Indicate which attributes of the Mentionable to search for GFM references.
-    def attr_mentionable(*attrs)
-      mentionable_attrs.concat(attrs.map(&:to_s))
-    end
-
-    # Accessor for attributes marked mentionable.
-    def mentionable_attrs
-      @mentionable_attrs ||= []
-    end
-  end
-
-  # Generate a GFM back-reference that will construct a link back to this Mentionable when rendered. Must
-  # be overridden if this model object can be referenced directly by GFM notation.
-  def gfm_reference
-    raise NotImplementedError.new("#{self.class} does not implement #gfm_reference")
-  end
-
-  # Construct a String that contains possible GFM references.
-  def mentionable_text
-    self.class.mentionable_attrs.map { |attr| send(attr) || '' }.join
-  end
-
-  # The GFM reference to this Mentionable, which shouldn't be included in its #references.
-  def local_reference
-    self
-  end
-
-  # Determine whether or not a cross-reference Note has already been created between this Mentionable and
-  # the specified target.
-  def has_mentioned?(target)
-    Note.cross_reference_exists?(target, local_reference)
-  end
-
-  def mentioned_users(current_user = nil)
-    return [] if mentionable_text.blank?
-
-    ext = Gitlab::ReferenceExtractor.new(self.project, current_user)
-    ext.analyze(mentionable_text)
-    ext.users.uniq
-  end
-
-  # Extract GFM references to other Mentionables from this Mentionable. Always excludes its #local_reference.
-  def references(p = project, current_user = self.author, text = mentionable_text)
-    return [] if text.blank?
-
-    ext = Gitlab::ReferenceExtractor.new(p, current_user)
-    ext.analyze(text)
-
-    (ext.issues + ext.merge_requests + ext.commits).uniq - [local_reference]
-  end
-
-  # Create a cross-reference Note for each GFM reference to another Mentionable found in +mentionable_text+.
-  def create_cross_references!(p = project, a = author, without = [])
-    refs = references(p) - without
-    refs.each do |ref|
-      Note.create_cross_reference_note(ref, local_reference, a, p)
-    end
-  end
-
-  # If the mentionable_text field is about to change, locate any *added* references and create cross references for
-  # them. Invoke from an observer's #before_save implementation.
-  def notice_added_references(p = project, a = author)
-    ch = changed_attributes
-    original, mentionable_changed = "", false
-    self.class.mentionable_attrs.each do |attr|
-      if ch[attr]
-        original << ch[attr]
-        mentionable_changed = true
-      end
-    end
-
-    # Only proceed if the saved changes actually include a chance to an attr_mentionable field.
-    return unless mentionable_changed
-
-    preexisting = references(p, self.author, original)
-    create_cross_references!(p, a, preexisting)
-  end
-end