Class: Senkyoshi::Heirarchy

Inherits:
Object
  • Object
show all
Defined in:
lib/senkyoshi/models/heirarchy.rb

Class Method Summary collapse

Class Method Details

.get_headers(course_toc, target_type) ⇒ Object 



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# File 'lib/senkyoshi/models/heirarchy.rb', line 94

def self.get_headers(course_toc, target_type)
  course_toc.select { |ct| ct[:target_type] == target_type }.
    map { |sh| sh[:original_file].gsub("res", "") }
end

.get_indent(item, indent = -2)) ⇒ Object 



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# File 'lib/senkyoshi/models/heirarchy.rb', line 35

def self.get_indent(item, indent = -2)
  return indent if item.parent.name == "organization"
  indent += 1
  get_indent(item.parent, indent)
end

.get_parent_id(course_toc, item_id) ⇒ Object 



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# File 'lib/senkyoshi/models/heirarchy.rb', line 82

def self.get_parent_id(course_toc, item_id)
  header_ids = get_headers(course_toc, "SUBHEADER")
  if header_ids.empty?
    header_ids = get_headers(course_toc, "CONTENT")
  end
  header_id = header_ids.
    reject { |x| x.to_i > item_id.to_i }.
    min_by { |x| (x.to_i - item_id.to_i).abs }

  header_id ? "res#{header_id}" : nil
end

.item_iterator(item, course_toc, discussion_boards) ⇒ Object 



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# File 'lib/senkyoshi/models/heirarchy.rb', line 20

def self.item_iterator(item, course_toc, discussion_boards)
  if item.search("item").count.zero?
    toc_item = setup_item(item, item.parent, course_toc)
    toc_item[:indent] = 0
    set_discussion_boards(discussion_boards, toc_item)
  else
    item.search("item").flat_map do |internal_item|
      toc_item = setup_item(internal_item, item, course_toc)
      toc_item[:indent] = get_indent(internal_item)
      toc_item = set_discussion_boards(discussion_boards, toc_item)
      toc_item
    end
  end
end

.set_discussion_boards(discussion_boards, toc_item) ⇒ Object 



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# File 'lib/senkyoshi/models/heirarchy.rb', line 41

def self.set_discussion_boards(discussion_boards, toc_item)
  if toc_item[:internal_handle] == "discussion_board_entry"
    resource = discussion_boards.select do |db|
      title_attribute = db.attributes["title"] || db.attributes["bb:title"]
      title_attribute.value == toc_item[:title]
    end
    if resource.count == 1
      file_attribute = resource.first.attributes["file"] ||
        resource.first.attributes["bb:file"]
      toc_item[:file_name] = file_attribute.value.gsub(".dat", "")
    end
  end
  toc_item
end

.setup_item(item, parent_item, course_toc) ⇒ Object 



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# File 'lib/senkyoshi/models/heirarchy.rb', line 56

def self.setup_item(item, parent_item, course_toc)
  if item.attributes["identifierref"]
    title = item.at("title").text
    if title == "--TOP--"
      file_name = item.parent.attributes["identifierref"].value
      title = item.parent.at("title").text
      item_id = item.parent.attributes["identifierref"].
        value.gsub("res", "")
    else
      file_name = item.attributes["identifierref"].value
      if parent_item.attributes["identifierref"]
        item_id = parent_item.attributes["identifierref"].
          value.gsub("res", "")
      else
        item_id = item.attributes["identifierref"].value.gsub("res", "")
      end
    end
    toc_item = course_toc.
      detect { |ct| ct[:original_file] == file_name } || {}
    toc_item[:file_name] = file_name
    toc_item[:title] = title
    toc_item[:parent_id] = get_parent_id(course_toc, item_id)
    toc_item
  end
end