docbrown/app/lib/html_css_to_image.rb
Ben Halpern d822d8d7d9
Fall back to configured social image instead of hardcoded (#9747)
* Fall back to configured social image instead of hardcoded

* Move from constant to method for config inclusion

* Fix spec

* Fix test
2020-10-27 08:54:45 -04:00

32 lines
955 B
Ruby

module HtmlCssToImage
AUTH = { username: ApplicationConfig["HCTI_API_USER_ID"],
password: ApplicationConfig["HCTI_API_KEY"] }.freeze
CACHE_EXPIRATION = 6.weeks
def self.url(html:, css: nil, google_fonts: nil)
image = HTTParty.post("https://hcti.io/v1/image",
body: { html: html, css: css, google_fonts: google_fonts },
basic_auth: AUTH)
image["url"] || fallback_image
end
def self.fetch_url(html:, css: nil, google_fonts: nil)
cache_key = "htmlcssimage/#{html}/#{css}/#{google_fonts}"
cached_url = Rails.cache.read(cache_key)
return cached_url if cached_url.present?
image_url = url(html: html, css: css, google_fonts: google_fonts)
unless image_url == fallback_image
Rails.cache.write(cache_key, image_url, expires_in: CACHE_EXPIRATION)
end
image_url
end
def self.fallback_image
SiteConfig.main_social_image.to_s
end
end