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# == Referable concern
#
# Contains functionality related to making a model referable in Markdown, such
# as "#1", "!2", "~3", etc.
module Referable
extend ActiveSupport::Concern
# Returns the String necessary to reference this object in Markdown
#
# from_project - Refering Project object
#
# This should be overridden by the including class.
#
# Examples:
#
# Issue.first.to_reference # => "#1"
# Issue.last.to_reference(other_project) # => "cross-project#1"
#
# Returns a String
def to_reference(_from_project = nil)
''
end
module ClassMethods
# The character that prefixes the actual reference identifier
#
# This should be overridden by the including class.
#
# Examples:
#
# Issue.reference_prefix # => '#'
# MergeRequest.reference_prefix # => '!'
#
# Returns a String
def reference_prefix
''
end
# Regexp pattern used to match references to this object
#
# This must be overridden by the including class.
#
# Returns Regexp
def reference_pattern
raise NotImplementedError,
%Q{#{self} does not implement "reference_pattern"}
end
end
private
# Check if a reference is being done cross-project
#
# from_project - Refering Project object
def cross_project_reference?(from_project)
if Project === self
self != from_project
else
from_project && project && project != from_project
end
end
end
|
