Skip loading manifest if we recently failed
This helps speed up some item search result pages a lot in the new API endpoint I'm building!
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1 changed files with 19 additions and 2 deletions
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@ -56,19 +56,36 @@ class SwfAsset < ApplicationRecord
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end
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def load_manifest
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# If we recently tried loading the manifest and got a 4xx HTTP status code
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# (e.g. a 404, there's a surprising amount of these!), don't try again. But
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# after enough time passes, if this is called again, we will!
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#
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# (We always retry 5xx errors, on the assumption that they probably
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# represent intermittent failures, whereas 4xx errors are not likely to
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# succeed just by retrying.)
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if manifest_loaded_at.present?
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last_try_was_4xx =(400...500).include?(manifest_status_code)
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last_try_was_recent = (Time.now - manifest_loaded_at) <= 1.day
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if last_try_was_4xx and last_try_was_recent
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Rails.logger.debug "Skipping loading manifest for asset #{id}: " +
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"last try was status #{manifest_status_code} at #{manifest_loaded_at}"
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return nil
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end
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end
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begin
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NeopetsMediaArchive.load_file(manifest_url) => {content:, source:}
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rescue NeopetsMediaArchive::ResponseNotOK => error
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Rails.logger.warn "Failed to load manifest for asset #{id}: " +
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error.message
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self.manifest_loaded_at = DateTime.now
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self.manifest_loaded_at = Time.now
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self.manifest_status_code = error.status
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save!
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return nil
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end
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if source == "network" || manifest_loaded_at.blank?
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self.manifest_loaded_at = DateTime.now
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self.manifest_loaded_at = Time.now
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self.manifest_status_code = 200
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save!
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end
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