module Lti2Commons::Utils
Public Instance Methods
hash_to_query_string(hash)
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# File lib/lti2_commons/lib/lti2_commons/utils.rb, line 17 def hash_to_query_string(hash) hash.keys.inject('') do |query_string, key| query_string << '&' unless key == hash.keys.first query_string << "#{URI.encode(key.to_s)}=#{CGI.escape(hash[key])}" end end
is_hash_intersect(node, constraint_hash)
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# File lib/lti2_commons/lib/lti2_commons/utils.rb, line 6 def is_hash_intersect(node, constraint_hash) # failed search if constraint_hash as invalid keys return nil if (constraint_hash.keys - node.keys).length > 0 node.each_pair do |k, v| if constraint_hash.key?(k) return false unless v == constraint_hash[k] end end true end
substitute_template_values_from_hash(source_string, prefix, suffix, hash)
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# File lib/lti2_commons/lib/lti2_commons/utils.rb, line 24 def substitute_template_values_from_hash(source_string, prefix, suffix, hash) hash.each { |k, v| source_string.sub!(prefix + k + suffix, v) } end