demarches-normaliennes/app/lib/api_geo/api.rb
Pierre de La Morinerie 30774aa189 api_geo: cache requests for one day
This should make the 500 errors that we get in production less frequent.

NB: Unfortunately we can't write a spec for the caching behavior, as the
VCR mocks are never cached.
2018-12-10 11:41:07 +01:00

57 lines
1.4 KiB
Ruby

class ApiGeo::API
TIMEOUT = 15
CACHE_DURATION = 1.day
def self.regions
url = [API_GEO_URL, "regions"].join("/")
call(url, { fields: :nom })
end
def self.departements
url = [API_GEO_URL, "departements"].join("/")
call(url, { fields: :nom })
end
def self.pays
parse(File.open('app/lib/api_geo/pays.json').read)
end
def self.search_rpg(geojson)
url = [API_GEO_SANDBOX_URL, "rpg", "parcelles", "search"].join("/")
call(url, geojson, :post)
end
private
def self.parse(body)
JSON.parse(body, symbolize_names: true)
end
def self.call(url, body, method = :get)
# The cache engine is stored, because as of Typhoeus 1.3.1 the cache engine instance
# is included in the computed `cache_key`.
# (Which means that when the cache instance changes, the cache is invalidated.)
@typhoeus_cache ||= Typhoeus::Cache::SuccessfulRequestsRailsCache.new
response = Typhoeus::Request.new(
url,
method: method,
params: method == :get ? body : nil,
body: method == :post ? body : nil,
timeout: TIMEOUT,
accept_encoding: 'gzip',
headers: {
'Accept' => 'application/json',
'Accept-Encoding' => 'gzip, deflate'
}.merge(method == :post ? { 'Content-Type' => 'application/json' } : {}),
cache: @typhoeus_cache,
cache_ttl: CACHE_DURATION
).run
if response.success?
parse(response.body)
else
nil
end
end
end