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author | Eugen Rochko <eugen@zeonfederated.com> | 2019-11-17 18:40:33 +0100 |
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committer | GitHub <noreply@github.com> | 2019-11-17 18:40:33 +0100 |
commit | d14e74eff52352f1a2fb4bc2053bbb28c1aa29e0 (patch) | |
tree | 5fd20f50b1bdc8315d5afa59ea66e6c912d9931e /app/services/fetch_oembed_service.rb | |
parent | 5a2c0707f163f14565d186db48bf0b4fe0b05b4f (diff) |
Add cache for OEmbed endpoints to avoid extra HTTP requests (#12403)
* add youtube oembed endpoint * add check for oembed endpoint * change unless for a more readable if * clear blank lines * endpoint via https * Fix string literal in condition * use cache for endpoints * use cache for endpoints * clean up and adding check * clean up and remove redundant return * add html check * add false to return * use double quotes * use double quotes * Clean up
Diffstat (limited to 'app/services/fetch_oembed_service.rb')
-rw-r--r-- | app/services/fetch_oembed_service.rb | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/app/services/fetch_oembed_service.rb b/app/services/fetch_oembed_service.rb index 10176cfb9..4f8498c62 100644 --- a/app/services/fetch_oembed_service.rb +++ b/app/services/fetch_oembed_service.rb @@ -1,13 +1,20 @@ # frozen_string_literal: true class FetchOEmbedService + ENDPOINT_CACHE_EXPIRES_IN = 24.hours.freeze + attr_reader :url, :options, :format, :endpoint_url def call(url, options = {}) @url = url @options = options - discover_endpoint! + if @options[:cached_endpoint] + parse_cached_endpoint! + else + discover_endpoint! + end + fetch! end @@ -32,10 +39,32 @@ class FetchOEmbedService return if @endpoint_url.blank? @endpoint_url = (Addressable::URI.parse(@url) + @endpoint_url).to_s + + cache_endpoint! rescue Addressable::URI::InvalidURIError @endpoint_url = nil end + def parse_cached_endpoint! + cached = @options[:cached_endpoint] + + return if cached[:endpoint].nil? || cached[:format].nil? + + @endpoint_url = Addressable::Template.new(cached[:endpoint]).expand(url: @url).to_s + @format = cached[:format] + end + + def cache_endpoint! + url_domain = Addressable::URI.parse(@url).normalized_host + + endpoint_hash = { + endpoint: @endpoint_url.gsub(URI.encode_www_form_component(@url), '{url}'), + format: @format, + } + + Rails.cache.write("oembed_endpoint:#{url_domain}", endpoint_hash, expires_in: ENDPOINT_CACHE_EXPIRES_IN) + end + def fetch! return if @endpoint_url.blank? |