class FriendlyId::Candidates
This class provides the slug candidate functionality. @see FriendlyId::Slugged
Public Class Methods
new(object, *array)
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# File lib/friendly_id/candidates.rb, line 11 def initialize(object, *array) @object = object @candidates = to_candidate_array(object, array.flatten(1)) end
Public Instance Methods
each(*args) { |x| ... }
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Visits each candidate, calls it, passes it to `normalize_friendly_id` and yields any wanted and unreserved slug candidates.
# File lib/friendly_id/candidates.rb, line 18 def each(*args, &block) pre_candidates = @candidates.map do |candidate| @object.normalize_friendly_id(candidate.map(&:call).join(' ')) end.select {|x| wanted?(x)} unless pre_candidates.all? {|x| reserved?(x)} pre_candidates.reject! {|x| reserved?(x)} end pre_candidates.each {|x| yield x} end
Private Instance Methods
reserved?(slug)
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# File lib/friendly_id/candidates.rb, line 56 def reserved?(slug) config = @object.friendly_id_config return false unless config.uses? ::FriendlyId::Reserved return false unless config.reserved_words config.reserved_words.include?(slug) end
to_candidate_array(object, array)
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# File lib/friendly_id/candidates.rb, line 31 def to_candidate_array(object, array) array.map do |candidate| case candidate when String [->{candidate}] when Array to_candidate_array(object, candidate).flatten when Symbol [object.method(candidate)] else if candidate.respond_to?(:call) [candidate] else [->{candidate.to_s}] end end end end
wanted?(slug)
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# File lib/friendly_id/candidates.rb, line 50 def wanted?(slug) slug.present? end