Class: Omnom::Source::Facebook::Default

Inherits:
Base
  • Object
show all
Defined in:
lib/omnom/source/facebook/default.rb

Instance Attribute Summary

Attributes inherited from Base

#config, #feed_key, #key, #options, #settings, #source_id

Instance Method Summary collapse

Methods inherited from Base

config, configure, cron, every, feed_url, full_key, guid_namespace, icon, icon_from_url, inherited, #initialize, key, required_config, required_options, #update, url

Methods included from ParserMethods

#html_to_text

Constructor Details

This class inherits a constructor from Omnom::Source::Base

Instance Method Details

#after_initialize ⇒ Object 



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# File 'lib/omnom/source/facebook/default.rb', line 9

def after_initialize
  @home_page_url = 'https://www.facebook.com/'
  @login_page_url = @home_page_url
end

#authenticate ⇒ Object 



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# File 'lib/omnom/source/facebook/default.rb', line 14

def authenticate
   = @agent.get(@login_page_url)
  @page = .form_with(id: 'login_form') do |form|
    form.email = config.web_auth_email
    form.pass = config.web_auth_password
  end.submit
  @page = @agent.get(@home_page_url) if @page.uri.to_s != @home_page_url
  raise 'Unable to log into Facebook' if @page.uri.to_s != @home_page_url
end

#get_raw_posts ⇒ Object 



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# File 'lib/omnom/source/facebook/default.rb', line 24

def get_raw_posts
  comments = page_comments(@page)
  raise 'Unable to read the Facebook stream' if comments.blank?
  raw_posts = comments.search('li.uiUnifiedStory')
  raise 'Unable to find posts in the Facebook stream' if raw_posts.blank?
  raw_posts
end

#post_attributes(node) ⇒ Object 



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# File 'lib/omnom/source/facebook/default.rb', line 32

def post_attributes(node)
  author_link = node.find('.actorName > a')
  author_link ||= node.find('.uiStreamHeadline .passiveName')
  return nil if author_link.blank?
  
  author_name = author_link.text
  author_url = author_link.attr('href')

  post_link = node.find('.uiStreamSource > a')
  if post_link.present? && post_link.attr('href') != '#'
    url = post_link.url
  else
    url = author_url
  end

  title = node.search('[role=article] > .uiStreamHeadline').text
  description_node = node.search('[role=article] > .userContentWrapper > .messageBody')

  if title == author_name
    title = description_node.text
    description = nil
  else
    description = description_node.inner_html
  end

  description = nil if title == description_node.text
  
  data = node.attr('data-ft')
  guid = JSON.parse(data)['mf_story_key']

  attributes = {
    title: title,
    description: description,
    guid: guid,
    url: url || author_url,
    published_at: Time.at(node.find('.uiStreamSource abbr[data-utime]').attr('data-utime').to_i).utc,
    thumbnail_url: node.find('.actorPhoto > img').attr('src'),
    author_name: author_name,
    author_url: author_url
  }

  photos_container = node.search('.photoRedesign')
  if photos_container.present?
    attributes[:other] ||= {}
    photos = node.search('a.uiPhotoThumb')
    photos = node.search('.photoRedesignLink') if photos.blank?
    attributes[:other][:images] = photos.collect do |photo|
      {
        page_url: photo.attr('href'),
        image_url: photo.find('img').attr('src'),
      }
    end
    attributes[:thumbnail_url] = attributes[:other][:images].first[:image_url] if attributes[:other][:images].present?
  end
  attributes
end