35 lines
714 B
Ruby
35 lines
714 B
Ruby
# Base class for services that count a single resource such as the number of
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# issues for a project.
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class BaseCountService
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def relation_for_count
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raise(
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NotImplementedError,
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'"relation_for_count" must be implemented and return an ActiveRecord::Relation'
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)
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end
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def count
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Rails.cache.fetch(cache_key, raw: raw?) { uncached_count }.to_i
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end
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def refresh_cache
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Rails.cache.write(cache_key, uncached_count, raw: raw?)
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end
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def uncached_count
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relation_for_count.count
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end
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def delete_cache
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Rails.cache.delete(cache_key)
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end
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def raw?
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false
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end
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def cache_key
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raise NotImplementedError, 'cache_key must be implemented and return a String'
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end
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end
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