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Versions: 37
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Contents
class Qa::SubjectMeshTerm < ActiveRecord::Base
has_many :mesh_trees, foreign_key: "term_id"
def self.from_tree_number(tree_id)
Qa::SubjectMeshTerm.joins('INNER JOIN qa_mesh_trees ON qa_subject_mesh_terms.term_id = qa_mesh_trees.term_id').where('qa_mesh_trees.tree_number = ?', tree_id)
end
def trees
Qa::MeshTree.where(term_id: term_id).map(&:tree_number)
end
def synonyms
s = self[:synonyms]
s.nil? ? [] : s.split("|")
end
def synonyms=(syn_list)
self[:synonyms] = syn_list.respond_to?(:join) ? syn_list.join('|') : syn_list
end
def parents
t = trees
t.map { |tn| initial_segements_of(tn) }.flatten.uniq.map { |tn| Qa::SubjectMeshTerm.from_tree_number(tn) }
end
private
# Return all of the intial segements of our tree number,
# from most general to most specific
# e.g. 'D03.456.23.789' returns ['D03', 'D03.456', 'D03.456.23', 'D03.456.23.789']
def initial_segements_of(s)
result = []
loop do
result << s
s = s.rpartition('.').first
break if s.empty?
end
result.reverse
end
end
Version data entries
37 entries across 37 versions & 1 rubygems