Retrospring/app/helpers/social_helper/twitter_methods.rb

45 lines
1.4 KiB
Ruby

require 'cgi'
module SocialHelper::TwitterMethods
include MarkdownHelper
def prepare_tweet(answer, post_tag = nil)
question_content = twitter_markdown answer.question.content.gsub(/\@(\w+)/, '\1')
original_question_length = question_content.length
answer_content = twitter_markdown answer.content
original_answer_length = answer_content.length
answer_url = show_user_answer_url(
id: answer.id,
username: answer.user.screen_name,
host: APP_CONFIG['hostname'],
protocol: (APP_CONFIG['https'] ? :https : :http)
)
parsed_tweet = { :valid => false }
tweet_text = ""
until parsed_tweet[:valid]
shortened_question = "#{question_content[0..122]}#{'…' if original_question_length > [123, question_content.length].min}"
shortened_answer = "#{answer_content[0..123]}#{'…' if original_answer_length > [124, answer_content.length].min}"
components = [
shortened_question,
'—',
shortened_answer,
post_tag,
answer_url
]
tweet_text = components.compact.join(' ')
parsed_tweet = Twitter::TwitterText::Validation::parse_tweet(tweet_text)
question_content = question_content[0..-2]
answer_content = answer_content[0..-2]
end
tweet_text
end
def twitter_share_url(answer)
"https://twitter.com/intent/tweet?text=#{CGI.escape(prepare_tweet(answer))}"
end
end