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module TwitterHelper
def twitter_enabled
if Rails.application.secrets.twitter
Rails.application.secrets.twitter['enabled'] == true
end
end
def twitter_client
Twitter::REST::Client.new do |config|
config.bearer_token = Rails.application.secrets.twitter['bearer_token']
end
end
def twitter_handle
Rails.application.secrets.twitter['twitter_handle']
end
def twitter_user_info
$twitter_user_info ||= []
end
def update_twitter_info
twitter_user_info[0] = Time.now
twitter_user_info[1] = twitter_client.user(twitter_handle).name
twitter_user_info[2] = twitter_client.user_timeline(twitter_handle, {:count => 200}).select{ |tweet| tweet.text.start_with?('RT','@')==false}
if twitter_user_info[2] == nil
error_handling
twitter_user_info[3] = "The twitter handle does not exist or the account's tweets are protected. Please change the privacy settings accordingly or contact your provider-admin."
end
rescue Twitter::Error::BadRequest
error_handling
twitter_user_info[3] = "The request for displaying tweets is invalid or cannot be otherwise served."
rescue Twitter::Error::Unauthorized
error_handling
twitter_user_info[3] = "Your bearer-token is invalid or the account's tweets are protected and cannot be displayed. Please change the privacy settings of the corresponding account, check your bearer-token in the secrets-file or contact your provider-admin to have the tweets shown."
rescue Twitter::Error::Forbidden
error_handling
twitter_user_info[3] = "The request for displaying tweets is understood, but it has been refused or access is not allowed."
rescue Twitter::Error::NotAcceptable
error_handling
twitter_user_info[3] = "An invalid format is specified in the request for displaying tweets."
rescue Twitter::Error::TooManyRequests
error_handling
twitter_user_info[3] = "The rate-limit for accessing the tweets is reached. You should be able to display tweets in a couple of minutes."
rescue Twitter::Error::NotFound
error_handling
twitter_user_info[3] = "The twitter hanlde does not exist."
rescue Twitter::Error
error_handling
twitter_user_info[3] = "An error occured while fetching the tweets."
end
def error_handling
twitter_user_info[2] = []
twitter_user_info
end
def cached_info
if twitter_user_info[0] == nil
update_twitter_info
else
if Time.now > twitter_user_info[0] + 15.minutes
update_twitter_info
end
end
twitter_user_info
end
def twitter_name
cached_info[1]
end
def num_of_tweets
3
end
def tweets
cached_info[2].take(num_of_tweets)
end
def error_message
cached_info[3]
end
def all_tweets_count
twitter_user_info[2].count
end
end
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