47 lines
1.3 KiB
Ruby
47 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module RuboCop
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module Cop
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module Database
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# @example
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# # bad
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# ActiveRecord::Base.connection
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#
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# # good
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# ApplicationRecord.connection
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#
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class MultipleDatabases < RuboCop::Cop::Base
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AR_BASE_MESSAGE = <<~EOF
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Do not use methods from ActiveRecord::Base, use the ApplicationRecord class instead
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For fixing offenses related to the ActiveRecord::Base.transaction method, see our guidelines:
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https://docs.gitlab.com/ee/development/database/transaction_guidelines.html
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EOF
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ALLOWED_METHODS = %i[
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no_touching
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configurations
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logger
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].freeze
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def_node_matcher :active_record_base_method_is_used?, <<~PATTERN
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(send (const (const _ :ActiveRecord) :Base) $_)
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PATTERN
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def on_send(node)
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return unless active_record_base_method_is_used?(node)
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active_record_base_method = node.children[1]
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return if method_is_allowed?(active_record_base_method)
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add_offense(node, message: AR_BASE_MESSAGE)
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end
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private
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def method_is_allowed?(method_name)
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ALLOWED_METHODS.include?(method_name.to_sym)
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end
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end
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end
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end
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end
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