Class: Twitterscraper::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/twitterscraper/template.rb

Instance Method Summary collapse

Instance Method Details

#chart_data(tweets, grouping: 'auto') ⇒ Object 



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# File 'lib/twitterscraper/template.rb', line 20

def chart_data(tweets, grouping: 'auto')
  if grouping && tweets.size > 100
    if grouping == 'auto'
      month = 28 * 24 * 60 * 60 # 28 days
      duration = tweets[-1].created_at - tweets[0].created_at

      if duration > 3 * month
        grouping = 'day'
      elsif duration > month || tweets.size > 10000
        grouping = 'hour'
      else
        grouping = 'minute'
      end
    end
  end

  Twitterscraper.logger.info "Chart grouping #{grouping}"

  data = tweets.each_with_object(Hash.new(0)) do |tweet, memo|
    t = tweet.created_at

    if grouping == 'day'
      time = Time.new(t.year, t.month, t.day, 0, 0, 0, '+00:00')
    elsif grouping == 'hour'
      time = Time.new(t.year, t.month, t.day, t.hour, 0, 0, '+00:00')
    elsif grouping == 'minute'
      time = Time.new(t.year, t.month, t.day, t.hour, t.min, 0, '+00:00')
    else
      time = t
    end
    memo[time.to_i] += 1
  end

  data.sort_by { |k, _| k }.map do |timestamp, count|
    [timestamp * 1000, count]
  end
end

#tweets_embedded_html(name, tweets, options) ⇒ Object 



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# File 'lib/twitterscraper/template.rb', line 3

def tweets_embedded_html(name, tweets, options)
  path = File.join(File.dirname(__FILE__), 'template/tweets.html.erb')
  template = ERB.new(File.read(path))

  tweets = tweets.sort_by { |t| t.created_at.to_i }
  grouping = options['chart_grouping'] || 'auto'

  template.result_with_hash(
      chart_name: name,
      chart_data: chart_data(tweets, grouping: grouping).to_json,
      first_tweet: tweets[0],
      last_tweet: tweets[-1],
      tweets: tweets,
      convert_limit: 30,
  )
end