cbc85100e3
* Create RedisRailsCache object to mimic Rails.cache * Do not use prefix _ for a variable that is used * dont shadow outer local variable
40 lines
976 B
Ruby
40 lines
976 B
Ruby
# Temporary and will be removed after all cache keys have been moved over to Redis
|
|
class RedisRailsCache
|
|
DEFAULT_EXPIRATION = 24.hours.to_i.freeze
|
|
|
|
class << self
|
|
def fetch(key_name, opts = {})
|
|
# Default expire all keys after 24 hours if expiration is not given
|
|
expires_in = opts[:expires_in] || DEFAULT_EXPIRATION
|
|
|
|
if block_given?
|
|
entry = client.get(key_name)
|
|
return entry if entry.present?
|
|
|
|
save_block_result_to_cache(key_name, expires_in) { |name| yield name }
|
|
else
|
|
client.get(key_name)
|
|
end
|
|
end
|
|
|
|
def read(key_name)
|
|
client.get(key_name)
|
|
end
|
|
|
|
def write(key_name, value, opts = {})
|
|
client.set(key_name, value, ex: opts[:expires_in] || DEFAULT_EXPIRATION)
|
|
end
|
|
|
|
private
|
|
|
|
def save_block_result_to_cache(key_name, expires_in)
|
|
result = yield
|
|
client.set(key_name, result, ex: expires_in)
|
|
result
|
|
end
|
|
|
|
def client
|
|
RedisClient
|
|
end
|
|
end
|
|
end
|