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Contents
# frozen_string_literal: true
module SecondLevelCache
module ActiveRecord
module FetchByUniqKey
def fetch_by_uniq_keys(where_values)
cache_key = cache_uniq_key(where_values)
obj_id = SecondLevelCache.cache_store.read(cache_key)
if obj_id
begin
return find(obj_id)
rescue StandardError
return nil
end
end
record = where(where_values).first
return nil unless record
record.tap do |r|
SecondLevelCache.cache_store.write(cache_key, r.id)
end
end
def fetch_by_uniq_keys!(where_values)
fetch_by_uniq_keys(where_values) || raise(::ActiveRecord::RecordNotFound)
end
def fetch_by_uniq_key(value, uniq_key_name)
# puts "[Deprecated] will remove in the future,
# use fetch_by_uniq_keys method instead."
fetch_by_uniq_keys(uniq_key_name => value)
end
def fetch_by_uniq_key!(value, uniq_key_name)
# puts "[Deprecated] will remove in the future,
# use fetch_by_uniq_keys! method instead."
fetch_by_uniq_key(value, uniq_key_name) || raise(::ActiveRecord::RecordNotFound)
end
private
def cache_uniq_key(where_values)
keys = where_values.collect do |k, v|
v = Digest::MD5.hexdigest(v) if v && v.size >= 32
[k, v].join("_")
end
ext_key = keys.join(",")
"uniq_key_#{name}_#{ext_key}"
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems