Module: AACMetrics::Loader

Defined in:
lib/aac-metrics/loader.rb

Class Method Summary collapse

Class Method Details

.base_words(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 406

def self.base_words(locale)
  @@base_words ||= {}
  return @@base_words[locale] if @@base_words[locale]
  locale = locale.split(/-|_/)[0]
  path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "base_words.#{locale}.json"))
  res = JSON.parse(File.read(path))
  @@base_words[locale] = res
end

.common_fringe_words(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 397

def self.common_fringe_words(locale)
  @@common_fringe_words ||= {}
  return @@common_fringe_words[locale] if @@common_fringe_words[locale]
  common = self.common_words(locale)['words']
  core = self.core_lists('en').map{|r| r['words'] }.flatten.compact.uniq
  all_words = common - core
  @@common_fringe_words[locale] = all_words
end

.common_words(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 310

def self.common_words(locale)
  locale = locale.split(/-|_/)[0]
  common_paths = Dir.glob(File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "*.common.#{locale}.obfset")))
  files = common_paths.map{|p| File.basename(p) }.sort
  common_analysis_paths = Dir.glob(File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "*.common.#{locale}.analysis")))
  files += common_analysis_paths.map{|p| File.basename(p) }.sort
  path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "common_words.#{locale}.json"))    
  res = JSON.parse(File.read(path)) rescue nil
  if !res || res['version'] != AACMetrics::VERSION || res['files'] != files
    efforts = {}
    common_words = nil
    common_paths.each do |path|
      obfset = AACMetrics::Loader.retrieve(path)
      common = AACMetrics::Metrics.analyze(obfset, false)
      common[:buttons].each{|b| 
        efforts[b[:label]] ||= []
        efforts[b[:label]] << b[:effort] 
      }
      words = common[:buttons].map{|b| b[:label] }.map{|w| w.gsub(/’/, '') }
      common_words ||= words
      common_words &= words
    end
    common_words -= ['']
    efforts.each do |word, vals|
      if vals.length == common_paths.length
        efforts[word] = vals.sum.to_f / vals.length
      else
        efforts.delete(word)
      end
    end
    sorted_efforts = {}
    efforts.to_a.sort_by(&:last).each do |str, val|
      sorted_efforts[str] = val
    end
    res = {
      'version' => AACMetrics::VERSION,
      'files' => files,
      'words' => sorted_efforts.keys,
      'efforts' => sorted_efforts
    }
    f = File.open(path, 'w')
    f.puts JSON.pretty_generate(res)
    f.close
  end
  res
end

.core_lists(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 301

def self.core_lists(locale)
  locale = locale.split(/-|_/)[0]
  @@core_lists ||= {}
  return @@core_lists[locale] if @@core_lists[locale]
  path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "core_lists.#{locale}.json"))    
  res = JSON.parse(File.read(path))
  @@core_lists[locale] = res
end

.fringe_words(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 381

def self.fringe_words(locale)
  @@fringe_words ||= {}
  return @@fringe_words[locale] if @@fringe_words[locale]
  locale = locale.split(/-|_/)[0]
  path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "fringe.#{locale}.json"))
  all_words = []
  list = JSON.parse(File.read(path))
  list.each do |set|
    set['categories'].each do |cat|
      all_words += cat['words']
    end
  end
  all_words.uniq!
  @@fringe_words[locale] = all_words
end

.ingest(fn, token = nil) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 261

def self.ingest(fn, token=nil)
  output = nil
  boards = nil
  if fn.match(/manifest.json/)
    json = JSON.parse(File.read(fn))
    root_fn = json['root']
    fn = fn.sub(/manifest.json/, root_fn)
  end
  if fn.match(/\.obfset$/)
    boards = retrieve(fn, false)
    output = fn
  else
    content = process(fn, token, true)
    boards = content[:boards]
    words = content[:words]
    words_path = content[:words_path]
    output_fn = Digest::MD5.hexdigest(Time.now.to_i.to_s + rand(9999).to_s)[0, 10] + ".obfset"
    output = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', output_fn))
    f = File.open(output, 'w')
    f.write(JSON.pretty_generate(boards))
    f.close
    if words
      new_words = {}
      words.to_a.sort_by{|h, w| w }.each{|h, w| new_words[h] = w }
      f = File.open(words_path, 'w')
      f.write(JSON.pretty_generate(new_words))
      f.close
    end
  end
  if boards
    analysis = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', output.sub(/\.obfset$/, '.analysis')))
    analysis = output.sub(/\.obfset$/, '.analysis')
    res = AACMetrics::Metrics.analyze(boards, false)
    f = File.open(analysis, 'w')
    f.write(JSON.pretty_generate(res))
    f.close
  end
  output
end

.process(fn, token = nil, add_words = false) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 95

def self.process(fn, token=nil, add_words=false)
  paths = [fn]
  boards = []
  visited_paths = {}
  queued_paths = {}
  idx = 1
  words_path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "base_words"))
  words = nil
  do_ingest = true
  relations_hash = {}
  
  while paths.length > 0
    path = paths.shift
    visited_paths[path] = idx
    new_json = {
      "format" => 'obs',
      "id" => "brd#{idx}",
      "buttons" => [],
      "grid" => {},
    }
    idx += 1
    json = nil
    if path.match(/^http/)
      if token
        path += "?access_token=#{token}"
      end
      req = Typhoeus.get(path, timeout: 10)
      json = JSON.parse(req.body)
      # puts path
    else
      if !File.exist?(path)
        orig_path = path
        path = File.expand_path(File.join(fn, "..", orig_path))
        if !File.exist?(path)
          path = File.expand_path(File.join(fn, "..", "..", orig_path))
        end
      end
      # puts "#{path}"
      json = JSON.parse(File.read(path))
    end
    if json && json['grid']
  #    puts JSON.pretty_generate(json)
      new_json['locale'] = json['locale'] || 'en'
      if !words
        words_path = words_path + "." + new_json['locale'].split(/-|_/)[0] + ".json"
        words = JSON.parse(File.read(words_path))
      end
      btn_idx = 1
      new_json['grid']['rows'] = json['grid']['rows']
      new_json['grid']['columns'] = json['grid']['columns']
      new_json['grid']['order'] = []
      new_json['grid']['rows'].times do |row_idx|
        row = json['grid']['order'][row_idx] || []
        new_row = []
        new_json['grid']['columns'].times do |col_idx|
          btn_id = row[col_idx]
          btn = json['buttons'].detect{|b| btn_id && b['id'] == btn_id }
          new_btn = nil
          if btn
            new_btn = {
              "id" => "btn#{btn_idx}",
              "label" => (btn['vocalization'] || '').length > 0 ? btn['vocalization'] : btn['label']
            }
            # record load_board reference
            btn_idx += 1
            if btn['load_board']
              if btn['load_board']['path']
                if visited_paths[btn['load_board']['path']]
                  new_btn['load_board'] = {'id' => "brd#{visited_paths[btn['load_board']['path']]}"}
                else
                  paths.push(btn['load_board']['path']) unless queued_paths[btn['load_board']['path']]
                  queued_paths[btn['load_board']['path']] = true
                  new_btn['load_board'] = {'tmp_path' => btn['load_board']['path']}
                end
              elsif btn['load_board']['data_url']
                if visited_paths[btn['load_board']['data_url']]
                  new_btn['load_board'] = {'id' => "brd#{visited_paths[btn['load_board']['data_url']]}"}
                else
                  paths.push(btn['load_board']['data_url']) unless queued_paths[btn['load_board']['data_url']]
                  queued_paths[btn['load_board']['data_url']] = true
                  new_btn['load_board'] = {'tmp_path' => btn['load_board']['data_url']}
                end
              else
                puts "Link found with no access #{btn['load_board'].to_json}"
              end
            elsif btn['action']
              # TODO: track keyboard actions and don't
              # treat action buttons for metrics
              new_btn = nil
            end
            # temporarily save semantic_id and possibly clone_id for later use
            # 1. Buttons in the same location with the same
            # semantic_id should be marked in the obfset as having
            # the same semantic_id
            # 2. Buttons in the same location with the same label & voc
            # and same load_board setting
            # should be marked in the obfset as having the same clone_id
            ref = "#{new_json['grid']['rows']}x#{new_json['grid']['columns']}-#{row_idx}.#{col_idx}"
            if btn['semantic_id']
              relations_hash["s#{ref}-#{btn['semantic_id']}"] ||= []
              relations_hash["s#{ref}-#{btn['semantic_id']}"] << [new_json['id'], new_btn['id']]
            end
            if new_btn && new_btn['label']
              #pre = new_btn['load_board'] ? 'cl' : 'c'
              pre = 'c'
              relations_hash["#{pre}#{ref}-#{new_btn['label']}"] ||= []
              relations_hash["#{pre}#{ref}-#{new_btn['label']}"] << [new_json['id'], new_btn['id']]
            end
            if do_ingest && new_btn && new_btn['label']
              str = new_btn['label'].downcase.sub(/^\s+/, '').sub(/\s+$/, '')
              if str.scan(/\s+/).length < 2
                word_hash = Digest::MD5.hexdigest(str)[0, 10]
                # Will need to re-evaluate hash process if it ever finds a collision with an already-saved word
                raise "collision!" if words[word_hash] && words[word_hash] != str
                if add_words || words[word_hash]
                  words[word_hash] = str
                  new_btn['label'] = "$#{word_hash}"
                end
              end
            end

          end
          new_row.push(new_btn ? new_btn['id'] : nil)
          new_json['buttons'].push(new_btn) if new_btn
        end
        new_json['grid']['order'].push(new_row)
      end
      boards << new_json
    end
  end
  # finalize all board paths once done iterating
  boards.each do |brd|
    brd['buttons'].each do |btn|
      if btn['load_board'] && btn['load_board']['tmp_path']
        btn['load_board']['id'] = "brd#{visited_paths[btn['load_board']['tmp_path']]}" if visited_paths[btn['load_board']['tmp_path']]
        btn['load_board'].delete('tmp_path')
      end
    end
  end
  # any semantic_id or clone_id repeats must be recorded
  relations_hash.each do |id, btns|
    if btns && btns.length > 1
      btns.each do |brd_id, btn_id|
        brd = boards.detect{|b| b['id'] == brd_id }
        if brd && brd['buttons']
          btn = brd['buttons'].detect{|b| b['id'] == btn_id }
          if btn
            if id.match(/^s/)
              btn['semantic_id'] = id
              brd['semantic_ids'] ||= []
              brd['semantic_ids'] << id
            elsif id.match(/^c/)
              btn['clone_id'] = id
              brd['clone_ids'] ||= []
              brd['clone_ids'] << id
            end
          end
        end
      end
      # 
    end
  end
  # TODO: record whether the board set is expected to have auto-home
  {boards: boards, words: words, words_path: words_path}
end

.retrieve(obfset, unsub = true) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 6

def self.retrieve(obfset, unsub=true)
  if obfset.is_a?(Hash) && obfset['boards']
    json = []
    obfset['boards'].each do |board|
      new_board = {
        "id" => board['id'],
        "buttons" => [],
        "locale" => board['locale'] || 'en',
        "grid" => board['grid'],
      }
      board['buttons'].each do |button|
        new_button = {
          "label" => ((button['vocalization'] || '').length > 0 ? button['vocalization'] : button['label']).to_s.downcase.gsub(/’/, ''),
          "id" => button['id']
        }
        if button['load_board'] && button['load_board']['id']
          new_button['load_board'] = {'id' => button['load_board']['id']}
        end
        new_board['buttons'].push(new_button)
      end
      json << new_board
    end
  elsif obfset.match(/^http/)
    res = Typhoeus.get(obfset, timeout: 10)
    json = JSON.parse(res.body)
  elsif !obfset.match(/\.obfset/)
    fn = obfset
    obfset = Dir.glob(File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', fn + '*.obfset')))[0]
    analysis = nil
    if !obfset
      analysis = Dir.glob(File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', fn + '*.analysis')))[0]
    end
    if obfset
      json = JSON.parse(File.read(obfset))
      relations_hash = {}
      json.each do |board|
        board['grid']['order'].each_with_index do |row, row_idx|
          row.each_with_index do |id, col_idx|
            button = id && board['buttons'].detect{|b| b['id'] == id }
            if button && button['label'] && !button['clone_id']
              ref = "#{board['grid']['rows']}x#{board['grid']['columns']}-#{row_idx}.#{col_idx}"
              pre = 'c'
              relations_hash["cpre#{ref}-#{button['label']}"] ||= []
              relations_hash["cpre#{ref}-#{button['label']}"] << [board, button]
            end
          end
        end
      end
      relations_hash.each do |id, cells|
        if cells.length > 1
          cells.each do |board, button|
            board['clone_ids'] ||= []
            board['clone_ids'] << id
            button['clone_id'] ||= id
          end
        end
      end
    elsif analysis
      json = JSON.parse(File.read(analysis))
    end
  else
    json = JSON.parse(File.read(obfset))
  end
  if unsub
    locale = json.is_a?(Array) ? json[0]['locale'] : json['locale']
    base = self.base_words(locale)
    if json.is_a?(Array)
      json.each do |brd|
        brd['buttons'].each do |btn|
          if btn['label'].match(/^\$/)
            word = base[btn['label'].sub(/^\$/, '')]
            btn['label'] = word if word
          end
          btn['label'] = btn['label'].gsub(/’/, '')
        end
      end
    elsif json.is_a?(Hash)
      (json['buttons'] || []).each do |button|
        if button['label'].match(/^\$/)
          word = base[button['label'].sub(/^\$/, '')]
          button['label'] = word if word
        end
        button['label'] = button['label'].gsub(/’/, '')
      end
    end
  end
  json
end

.sentences(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 372

def self.sentences(locale)
  @@sentences ||= {}
  return @@sentences[locale] if @@sentences[locale]
  locale = locale.split(/-|_/)[0]
  path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "sentences.#{locale}.json"))
  res = JSON.parse(File.read(path))
  @@sentences[locale] = res
end

.synonyms(locale) ⇒ Object 



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# File 'lib/aac-metrics/loader.rb', line 357

def self.synonyms(locale)
  @@synonyms ||= {}
  return @@synonyms[locale] if @@synonyms[locale]
  locale = locale.split(/-|_/)[0]
  path = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'sets', "synonyms.#{locale}.json"))
  res = {}
  list = JSON.parse(File.read(path))
  list.each do |words|
    words.each do |word|
      res[word] = words - [word]
    end
  end
  @@synonyms[locale] = res
end