discourse/app/models/concerns/has_url.rb

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# frozen_string_literal: true
module HasUrl
extend ActiveSupport::Concern
class_methods do
def extract_url(url)
url.match(self::URL_REGEX)
end
def extract_sha1(path)
data = extract_url(path)
return if data.blank?
sha1 = data[2]
return if sha1&.length != Upload::SHA1_LENGTH
sha1
end
def get_from_url(url)
return if url.blank?
uri = begin
URI(UrlHelper.unencode(url))
rescue URI::Error
end
return if uri&.path.blank?
data = extract_url(uri.path)
if data.blank?
result = nil
result ||= self.find_by(url: uri.path)
return result
end
result = nil
if self.name == "Upload"
sha1 = data[2]
result = self.find_by(sha1: sha1) if sha1&.length == Upload::SHA1_LENGTH
end
result || self.find_by("url LIKE ?", "%#{data[1]}")
end
def get_from_urls(upload_urls)
urls = []
sha1s = []
upload_urls.each do |url|
next if url.blank?
uri = begin
URI(UrlHelper.unencode(url))
rescue URI::Error
end
next if uri&.path.blank?
urls << uri.path
if data = extract_url(uri.path).presence
urls << data[1]
sha1s << data[2] if self.name == "Upload"
end
end
self.where(url: urls).or(self.where(sha1: sha1s))
end
end
end