Class: Stellar::Homework::Submission::Comment

Inherits:

Object

• Object
• Stellar::Homework::Submission::Comment

Defined in:

lib/stellar/homework.rb

Overview

A comment on a Stellar submission.

Instance Attribute Summary

• #attachment_url ⇒ Object readonly

  URL to the file attached to the comment.

• #author ⇒ Object readonly

  Person who posted the comment.

• #client ⇒ Object readonly

  Generic Stellar client used to make requests.

• #deleted ⇒ Object (also: #deleted?) readonly

  True if the comment was deleted.

• #submission ⇒ Object readonly

  The submission that the comment was posted on.

• #text ⇒ Object readonly

  Comment text.

Instance Method Summary

• #attachment_data ⇒ String

  The contents of the file attached to this Stellar submission comment.

• #delete! ⇒ Object

  Deletes this comment from Stellar.

• #initialize(table, submission) ⇒ Comment constructor

  Creates a comment from a

  in a Stellar submission details page.

  Constructor Details

  #initialize(table, submission) ⇒ Comment

  Creates a comment from a

  in a Stellar submission details page.

  Parameters:

  • table (Nokogiri::XML::Element) —

    a

  element in a Stellar submission details showing this comment

  submission (Stellar::Homework::Submission) —

  Stellar client scoped to the submission that was commented on

  # File 'lib/stellar/homework.rb', line 211
  
  def initialize(table, submission)
    @submission = submission
    @client = @submission.client
  
    page_url = table.document.url
    @author = table.css('thead tr th.announcedBy').first.inner_text
    
    unless content = table.css('tbody tr td.announcement').first
      raise 'Invalid submission comment table'
    end
    if (deleted_text = table.css('tbody tr td.announcement > em').first) &&
        deleted_text.inner_text == 'deleted'
      @deleted = true
      @text = nil
      @attachment_url = nil
    else
      @deleted = false
      
      unless delete_link = table.css('thead a[href*="delete"]').first
        raise ArgumentError, 'Invalid submission comment table'
      end
      @delete_url = URI.join page_url, delete_link['href']
      @text = content.css('p').inner_text
      attachment_links = table.css('tbody tr td.announcement > a')
      if attachment_links.empty?
        @attachment_url = nil
      else
        @attachment_url = URI.join page_url, attachment_links.first['href']
      end
    end
  end