82 lines
2.4 KiB
Ruby
82 lines
2.4 KiB
Ruby
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module ErrorHandling
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extend ActiveSupport::Concern
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included do
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rescue_from StandardError, with: :internal_server_error
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rescue_from ExecJS::RuntimeError, with: :internal_server_error
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rescue_from ActiveRecord::RecordNotFound, with: :not_found
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rescue_from ActiveRecord::StatementInvalid, with: :unprocessable_entity
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rescue_from ActiveRecord::RecordInvalid, with: :unprocessable_entity
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rescue_from ArgumentError, with: :unprocessable_entity
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rescue_from Exceptions::UnprocessableEntity, with: :unprocessable_entity
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rescue_from Exceptions::NotAuthorized, with: :unauthorized
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end
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def not_found(e)
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log_error_exception(e)
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respond_to_exception(e, :not_found)
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end
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def unprocessable_entity(e)
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log_error_exception(e)
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respond_to_exception(e, :unprocessable_entity)
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end
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def internal_server_error(e)
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log_error_exception(e)
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respond_to_exception(e, :internal_server_error)
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end
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def unauthorized(e)
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error = humanize_error(e.message)
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response.headers['X-Failure'] = error.fetch(:error_human, error[:error])
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respond_to_exception(e, :unauthorized)
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end
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private
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def log_error_exception(e)
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logger.error e.message
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logger.error e.backtrace.inspect
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end
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def respond_to_exception(e, status)
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status_code = Rack::Utils.status_code(status)
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respond_to do |format|
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format.json { render json: humanize_error(e.message), status: status }
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format.any {
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@exception = e
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@traceback = !Rails.env.production?
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file = File.open(Rails.root.join('public', "#{status_code}.html"), 'r')
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render inline: file.read, status: status
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}
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end
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end
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def humanize_error(error)
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data = {
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error: error
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}
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case error
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when /Validation failed: (.+?)(,|$)/i
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data[:error_human] = $1
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when /(already exists|duplicate key|duplicate entry)/i
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data[:error_human] = 'Object already exists!'
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when /null value in column "(.+?)" violates not-null constraint/i
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data[:error_human] = "Attribute '#{$1}' required!"
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when /Field '(.+?)' doesn't have a default value/i
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data[:error_human] = "Attribute '#{$1}' required!"
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when 'Exceptions::NotAuthorized'
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data[:error] = 'Not authorized'
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data[:error_human] = data[:error]
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end
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if Rails.env.production? && !data[:error_human].empty?
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data[:error] = data.delete(:error_human)
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end
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data
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end
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end
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