ontohub/lib/autocomplete.rb

	autocomplete.rb revision b515be3e0a2edc0aa9bf6b0ff078b5c6bce8499c
970N/A#
970N/A# Autocompleter that searches the given scopes and excludes optional ids
970N/A#
970N/Aclass Autocomplete
1072N/A
970N/A  class InvalidScope < Exception; end
970N/A
970N/A  SCOPES = %w( user team )
970N/A
970N/A  def initialize
970N/A    # scope_name => excluded_ids
970N/A    @scopes = {}
970N/A  end
970N/A
970N/A  # adds a scope to the autocompleter
970N/A  def add_scope(name, without_ids="")
970N/A    raise InvalidScope, "invalid scope: #{name}" unless SCOPES.include?(name)
970N/A
970N/A    without_ids   = without_ids.to_s.split(",") unless without_ids.is_a?(Array)
970N/A    @scopes[name] = without_ids
970N/A  end
970N/A
970N/A  # search the added scopes
970N/A  def search(query)
970N/A    result = []
970N/A
970N/A    @scopes.each do |name, without_ids|
970N/A
970N/A      # get class of scope
970N/A      scope = name.camelize.constantize
970N/A
970N/A      # exclude the given ids
970N/A      scope = scope.without_ids(without_ids) if without_ids.any?
970N/A
970N/A      # finally apply the search scope
970N/A      scope = scope.autocomplete_search(query)
970N/A
970N/A      result += scope.all
970N/A    end
970N/A
970N/A    result
970N/A  end
970N/A
1105N/Aend