+ if !attr_model_class.searchable_columns(operator).index(attr) &&
+ !(col.andand.type == :jsonb && ['contains', '=', '<>', '!='].index(operator))
+ raise ArgumentError.new("Invalid attribute '#{attr}' in filter")
+ end
+
+ case operator
+ when '=', '<', '<=', '>', '>=', '!=', 'like', 'ilike'
+ attr_type = attr_model_class.attribute_column(attr).type
+ operator = '<>' if operator == '!='
+ if operand.is_a? String
+ if attr_type == :boolean
+ if not ['=', '<>'].include?(operator)
+ raise ArgumentError.new("Invalid operator '#{operator}' for " \
+ "boolean attribute '#{attr}'")
+ end
+ case operand.downcase
+ when '1', 't', 'true', 'y', 'yes'
+ operand = true
+ when '0', 'f', 'false', 'n', 'no'
+ operand = false
+ else
+ raise ArgumentError("Invalid operand '#{operand}' for " \
+ "boolean attribute '#{attr}'")
+ end
+ end
+ if operator == '<>'
+ # explicitly allow NULL
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ? OR #{attr_table_name}.#{attr} IS NULL"
+ else
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
+ end
+ if (# any operator that operates on value rather than
+ # representation:
+ operator.match(/[<=>]/) and (attr_type == :datetime))
+ operand = Time.parse operand
+ end
+ param_out << operand
+ elsif operand.nil? and operator == '='
+ cond_out << "#{attr_table_name}.#{attr} is null"
+ elsif operand.nil? and operator == '<>'
+ cond_out << "#{attr_table_name}.#{attr} is not null"
+ elsif (attr_type == :boolean) and ['=', '<>'].include?(operator) and
+ [true, false].include?(operand)
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
+ param_out << operand
+ elsif (attr_type == :integer)
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
+ param_out << operand
+ else
+ raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
+ "for '#{operator}' operator in filters")
+ end
+ when 'in', 'not in'
+ if operand.is_a? Array
+ cond_out << "#{attr_table_name}.#{attr} #{operator} (?)"
+ param_out << operand
+ if operator == 'not in' and not operand.include?(nil)
+ # explicitly allow NULL
+ cond_out[-1] = "(#{cond_out[-1]} OR #{attr_table_name}.#{attr} IS NULL)"
+ end
+ else
+ raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
+ "for '#{operator}' operator in filters")
+ end
+ when 'is_a'
+ operand = [operand] unless operand.is_a? Array
+ cond = []
+ operand.each do |op|
+ cl = ArvadosModel::kind_class op
+ if cl
+ if attr == 'uuid'
+ if attr_model_class.uuid_prefix == cl.uuid_prefix
+ cond << "1=1"
+ else
+ cond << "1=0"
+ end
+ else
+ # Use a substring query to support remote uuids
+ cond << "substring(#{attr_table_name}.#{attr}, 7, 5) = ?"
+ param_out << cl.uuid_prefix
+ end
+ else
+ cond << "1=0"
+ end
+ end
+ cond_out << cond.join(' OR ')
+ when 'contains'
+ if col.andand.type != :jsonb
+ raise ArgumentError.new("Invalid attribute '#{attr}' for '#{operator}' operator")
+ end
+ if operand == []
+ raise ArgumentError.new("Invalid operand '#{operand.inspect}' for '#{operator}' operator")
+ end
+ operand = [operand] unless operand.is_a? Array
+ operand.each do |op|
+ if !op.is_a?(String)
+ raise ArgumentError.new("Invalid element #{operand.inspect} in operand for #{operator.inspect} operator (operand must be a string or array of strings)")
+ end
+ end
+ # We use jsonb_exists_all(a,b) instead of "a ?& b" because
+ # the pg gem thinks "?" is a bind var. And we use string
+ # interpolation instead of param_out because the pg gem
+ # flattens param_out / doesn't support passing arrays as
+ # bind vars.
+ q = operand.map { |s| ActiveRecord::Base.connection.quote(s) }.join(',')
+ cond_out << "jsonb_exists_all(#{attr_table_name}.#{attr}, array[#{q}])"