8859880e55
* Added a global config helper to easily access installation/global configs * this will fetch the keys from cache with fallback to DB on cache miss * ability to query multiple keys simultaneously * interface to delete the existing global config cache * Added tests for this new helper module
44 lines
1 KiB
Ruby
44 lines
1 KiB
Ruby
class GlobalConfig
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VERSION = 'V1'.freeze
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KEY_PREFIX = 'GLOBAL_CONFIG'.freeze
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DEFAULT_EXPIRY = 1.day
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class << self
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def get(*args)
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config_keys = *args
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config = {}
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config_keys.each do |config_key|
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config[config_key] = load_from_cache(config_key)
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end
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config.with_indifferent_access
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end
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def clear_cache
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cached_keys = $alfred.keys("#{VERSION}:#{KEY_PREFIX}:*")
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(cached_keys || []).each do |cached_key|
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$alfred.expire(cached_key, 0)
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end
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end
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private
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def load_from_cache(config_key)
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cache_key = "#{VERSION}:#{KEY_PREFIX}:#{config_key}"
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cached_value = $alfred.get(cache_key)
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if cached_value.blank?
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value_from_db = db_fallback(config_key)
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cached_value = { value: value_from_db }.to_json
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$alfred.set(cache_key, cached_value, { expiry: DEFAULT_EXPIRY })
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end
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JSON.parse(cached_value)['value']
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end
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def db_fallback(config_key)
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InstallationConfig.find_by(name: config_key)&.value
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end
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end
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end
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