124 lines
2.9 KiB
Ruby
124 lines
2.9 KiB
Ruby
# lightweight Twitter api calls
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class TwitterApi
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class << self
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def prettify_tweet(tweet)
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text = tweet["text"].dup
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if entities = tweet["entities"] and urls = entities["urls"]
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urls.each do |url|
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text.gsub!(url["url"], "<a target='_blank' href='#{url["expanded_url"]}'>#{url["display_url"]}</a>")
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end
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end
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text = link_hashtags_in link_handles_in text
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Rinku.auto_link(text, :all, 'target="_blank"').to_s
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end
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def user_timeline(screen_name)
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JSON.parse(twitter_get(user_timeline_uri_for screen_name))
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end
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def tweet_for(id)
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JSON.parse(twitter_get(tweet_uri_for id))
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end
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alias_method :status, :tweet_for
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def raw_tweet_for(id)
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twitter_get(tweet_uri_for id)
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end
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def twitter_credentials_missing?
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consumer_key.blank? || consumer_secret.blank?
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end
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protected
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def link_handles_in(text)
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text.scan(/\s@(\w+)/).flatten.uniq.each do |handle|
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text.gsub!("@#{handle}", [
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"<a href='https://twitter.com/#{handle}' target='_blank'>",
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"@#{handle}",
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"</a>"
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].join)
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end
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text
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end
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def link_hashtags_in(text)
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text.scan(/\s#(\w+)/).flatten.uniq.each do |hashtag|
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text.gsub!("##{hashtag}", [
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"<a href='https://twitter.com/search?q=%23#{hashtag}' ",
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"target='_blank'>",
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"##{hashtag}",
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"</a>"
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].join)
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end
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text
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end
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def user_timeline_uri_for(screen_name)
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URI.parse "#{BASE_URL}/1.1/statuses/user_timeline.json?screen_name=#{screen_name}&count=50&include_rts=false&exclude_replies=true"
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end
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def tweet_uri_for(id)
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URI.parse "#{BASE_URL}/1.1/statuses/show.json?id=#{id}"
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end
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unless defined? BASE_URL
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BASE_URL = 'https://api.twitter.com'.freeze
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end
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def twitter_get(uri)
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request = Net::HTTP::Get.new(uri)
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request.add_field 'Authorization', "Bearer #{bearer_token}"
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http(uri).request(request).body
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end
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def authorization
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request = Net::HTTP::Post.new(auth_uri)
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request.add_field 'Authorization',
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"Basic #{bearer_token_credentials}"
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request.add_field 'Content-Type',
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'application/x-www-form-urlencoded;charset=UTF-8'
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request.set_form_data 'grant_type' => 'client_credentials'
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http(auth_uri).request(request).body
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end
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def bearer_token
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@access_token ||= JSON.parse(authorization).fetch('access_token')
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end
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def bearer_token_credentials
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Base64.strict_encode64(
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"#{URI::encode(consumer_key)}:#{URI::encode(consumer_secret)}"
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)
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end
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def auth_uri
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URI.parse "#{BASE_URL}/oauth2/token"
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end
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def http(uri)
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Net::HTTP.new(uri.host, uri.port).tap { |http| http.use_ssl = true }
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end
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def consumer_key
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SiteSetting.twitter_consumer_key
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end
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def consumer_secret
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SiteSetting.twitter_consumer_secret
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end
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end
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end
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