Module: DashCreator::ChartHelper

Includes:
FilterHelper
Defined in:
app/helpers/dash_creator/chart_helper.rb

Instance Method Summary collapse

Methods included from FilterHelper

#encode_filter_data, #filter_boolean, #filter_data, #filter_data_count_from_redis, #filter_datetime, #filter_has, #filter_model, #filter_numeric, #filter_ref, #filter_text, #get_csv, #prepare_data, #recursive_filter_attribute, #true_string?

Instance Method Details

#boolean_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 503

def boolean_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  attribute = x_data['attribute']

  sub_attribute = x_data['sub_attribute']
  unless sub_attribute.nil?
    return sub_has_boolean_chart_processing(data) if x_data['sub_attribute_from'] == 'has'
    return sub_ref_boolean_chart_processing(data)
  end

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}
  labels = x_data['labels-corres'].blank? ? x_data['labels'] : x_data['labels-corres']

  x_data['labels'].each do |l|
    0.upto(y_data.length-1).each do |i|
      data = y_data[i].where("#{attribute}": true_string?(l))

      datasets[i].push(data.count)
    end
  end

  {labels: labels, datasets: datasets}
end

#chart_processed_data_from_redis(chart_data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 780

def chart_processed_data_from_redis(chart_data)
  redis_data = nil
  style = chart_data.delete('style')
  redis_chart_data = encode_chart_data(chart_data)

  unless chart_data['refresh'] == 'true' || DashCreator.redis_store_variable.nil?
    redis_data = DashCreator.redis_store_variable.get(redis_chart_data)
  end

  unless redis_data.nil?
    processed_data = JSON.parse(redis_data)
  else
    chart_data_with_records = prepare_data(chart_data)
    processed_data = chart_processing(chart_data_with_records).deep_stringify_keys
    processed_data['last_updated'] = DateTime.now.strftime('%d/%m/%Y - %T')

    # Add chart data to redis
    DashCreator.redis_store_variable.set(redis_chart_data, processed_data.to_json) unless DashCreator.redis_store_variable.nil?
  end

  processed_data['style'] = style
  processed_data['style'] = processed_data['style'].to_unsafe_h unless processed_data['style'].is_a?(Hash)

  processed_data
end

#chart_processing(data) ⇒ Object

Data processing for charts Handle differently regarding x_data type



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# File 'app/helpers/dash_creator/chart_helper.rb', line 210

def chart_processing(data)
  ActiveRecord::Base.connection.execute("SET temp_buffers = '4GB';")
  case data['x_data']['type']
    when 'datetime'
      hash = date_chart_processing(data)

    when 'numeric'
      hash = numeric_chart_processing(data)

    when 'boolean'
      hash = boolean_chart_processing(data)

    when 'text'
      hash = text_chart_processing(data)

    when 'has'
      hash = has_model_chart_processing(data)

    when 'ref'
      hash = ref_model_chart_processing(data)

    else
      hash = {}
  end
  ActiveRecord::Base.connection.execute("SET temp_buffers = '8MB';")
  hash = hash.merge({
                        datasets_labels: data['datasets_labels'],
                        types: data['types']
                    })
  hash
end

#count_hash(array) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 775

def count_hash(array)
  array.group_by(&:itself).map { |k,v| [k, v.count] }.to_h
end

#count_values_in_common(model_ids, filtered_model_ids) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 764

def count_values_in_common(model_ids, filtered_model_ids)
  values_in_common = (model_ids & filtered_model_ids)

  count_hash = count_hash(filtered_model_ids)

  count = 0
  values_in_common.each { |v| count += count_hash[v] }

  count
end

#create_plot_error_message(id, type, error_key) ⇒ Object

Returns plot failing error message



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# File 'app/helpers/dash_creator/chart_helper.rb', line 202

def create_plot_error_message(id, type, error_key)
  str = error_key + " for chart-#{type}-#{id}"
  str
end

#create_update_button(id, type, text) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 15

def create_update_button(id, type, text)
  button_tag text, id: "btn-#{type}-#{id}"
end

#date_chart_processing(data) ⇒ Object

Process chart data for a x timeline



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# File 'app/helpers/dash_creator/chart_helper.rb', line 299

def date_chart_processing(data)
  date_info = data['x_data']
  y_data = data['y_data']

  sub_attribute = date_info['sub_attribute']
  unless sub_attribute.nil?
    return sub_has_date_chart_processing(data) if date_info['sub_attribute_from'] == 'has'
    return sub_ref_date_chart_processing(data)
  end

  # Gather all info
  attribute = date_info['attribute']
  format = date_info.key?('format') ? date_info['format'] : '%d.%m.%Y'
  end_date = get_start_and_end_dates(date_info)[1]
  labels = get_date_labels(date_info)

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}
  0.upto(labels.length-1).each do |i|
    date = labels[i]
    next_date = i == (labels.length - 1) ? end_date : labels[i+1]
    0.upto(y_data.length-1).each do |k|
      count = y_data[k].where("#{attribute}": date..next_date).count
      datasets[k].push(count)
    end
  end

  labels = labels.map{ |d| d.strftime(format) }

  {labels: labels, datasets: datasets}
end

#date_label_group_size(date_info) ⇒ Object

Returns the date group size regarding date_info



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# File 'app/helpers/dash_creator/chart_helper.rb', line 723

def date_label_group_size(date_info)
  case date_info['period']
    when 'day'
      1
    when 'week'
      7
    else
      30
  end
end

#encode_chart_data(chart_data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 806

def encode_chart_data(chart_data)
  # Prepare data to encode
  encoded_chart_data = chart_data.clone
  encoded_chart_data = encoded_chart_data.to_unsafe_h unless encoded_chart_data.is_a?(Hash)
  encoded_chart_data.delete('controller')
  encoded_chart_data.delete('action')
  encoded_chart_data.delete('refresh')

  # Encode
  hash_hash(encoded_chart_data)
end

#get_date_labels(date_info) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 734

def get_date_labels(date_info)
  limit_dates = get_start_and_end_dates(date_info)
  start_date = limit_dates[0]
  end_date = limit_dates[1]
  period_length = (end_date - start_date).to_i
  group_size = date_label_group_size(date_info)

  labels = []
  (0..(period_length-1)).step(group_size).each do |i|
    date = (start_date + i.days)
    labels.push(date)
  end
  labels
end

#get_or_pluck_labels(x_data, y_data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 749

def get_or_pluck_labels(x_data, y_data)
  case x_data['label_type']
    when 'text-auto'
      sub_attribute = x_data['sub_attribute']
      pluck_from = sub_attribute.nil? ? y_data.first : x_data['attribute'][0..-4].classify.safe_constantize
      to_pluck = sub_attribute.nil? ? x_data['attribute'] : sub_attribute

      labels = pluck_from.pluck(:"#{to_pluck}").uniq

    when 'text'
      labels = x_data['labels']
  end
  labels
end

#get_start_and_end_dates(date_info) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 242

def get_start_and_end_dates(date_info)
  date_range_type = date_info['date_range_type']

  case date_range_type
    when 'Today'
      start_date = DateTime.now.beginning_of_day
      end_date = DateTime.now.beginning_of_day + 1.days

    when 'Yesterday'
      start_date = DateTime.now.beginning_of_day - 1.days
      end_date = DateTime.now.beginning_of_day

    when 'Last 7 Days'
      start_date = DateTime.now.beginning_of_day - 6.days
      end_date = DateTime.now.beginning_of_day + 1.days

    when 'This Week'
      start_date = DateTime.now.beginning_of_week
      end_date = DateTime.now.beginning_of_week + 7.days

    when 'Last Week'
      start_date = DateTime.now.beginning_of_week - 7.days
      end_date = DateTime.now.beginning_of_week

    when 'Last 30 Days'
      start_date = DateTime.now.beginning_of_day - 29.days
      end_date = DateTime.now.beginning_of_day + 1.days

    when 'This Month'
      start_date = DateTime.now.beginning_of_month
      end_date = DateTime.now.beginning_of_month + 30.days

    when 'Last Month'
      start_date = DateTime.now.beginning_of_month - 30.days
      end_date = DateTime.now.beginning_of_month

    when 'Last 365 Days'
      start_date = DateTime.now.beginning_of_day - 364.days
      end_date = DateTime.now.beginning_of_day + 1.days

    when 'This Year'
      start_date = DateTime.now.beginning_of_year
      end_date = DateTime.now.beginning_of_year + 365.days

    when 'Last Year'
      start_date = DateTime.now.beginning_of_year - 365.days
      end_date = DateTime.now.beginning_of_year

    else
      start_date = DateTime.strptime(date_info['start'], '%b %d, %Y').beginning_of_day
      end_date = DateTime.strptime(date_info['end'], '%b %d, %Y').beginning_of_day + 1.days
  end

  [start_date, end_date]
end

#has_model_chart_processing(data) ⇒ Object

Has is necessarily a count : if a sub-attribute is given, then label_type becomes the one of the sub attribute and cannot be has



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# File 'app/helpers/dash_creator/chart_helper.rb', line 656

def has_model_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  has_models = x_data['attribute'].pluralize
  model_string = y_data.first.first.class.name.underscore
  # attribute_model = x_data['attribute'].classify.safe_constantize

  datasets = []
  # model_ids = []
  0.upto(y_data.length-1).each do |i|
    datasets.push([])
    # model_ids.push(y_data[i].pluck(:id).uniq)
  end
  # filtered_model_ids = attribute_model.pluck("#{model_string}_id")
  # count_hash = count_hash(filtered_model_ids)

  labels = x_data['labels']
  labels.each do |l|
    0.upto(y_data.length-1).each do |i|
      split = l.split('-')
      low = l[-1] == '+' ? l[0..-2] : split[0]
      high = split.length == 2 ? split[1] : low

      if l[-1] == '+'
        data = y_data[i].joins("LEFT JOIN #{has_models} ON #{has_models}.#{model_string}_id = #{model_string.pluralize}.id")
                   .group("#{model_string.pluralize}.id")
                   .having("count(#{has_models}.id) >= ?", low)
        # count = count_hash.select{ |k, v| v >= low<to_i }.count
      else
        data = y_data[i].joins("LEFT JOIN #{has_models} ON #{has_models}.#{model_string}_id = #{model_string.pluralize}.id")
                   .group("#{model_string.pluralize}.id")
                   .having("count(#{has_models}.id) BETWEEN ? AND ?", low, high)
        # count = count_hash.select{ |k, v| v >= low.to_i && v <= high.to_i }.count
      end

      # datasets[i].push(count)
      sum = 0
      data.count.each { |key, count| sum += count }
      datasets[i].push(sum)
    end
  end

  {labels: labels, datasets: datasets}
end

#hash_hash(h) ⇒ Object

This helper function is used in create_chart.js.erb to hash param hash to store it in Redis



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# File 'app/helpers/dash_creator/chart_helper.rb', line 819

def hash_hash(h)
  require 'digest/sha1'
  str = recursive_flatten(h).sort.join
  Digest::SHA1.hexdigest(str)
end

#numeric_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 406

def numeric_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  attribute = x_data['attribute']

  sub_attribute = x_data['sub_attribute']
  unless sub_attribute.nil?
    return sub_has_numeric_chart_processing(data) if x_data['sub_attribute_from'] == 'has'
    return sub_ref_numeric_chart_processing(data)
  end

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}
  labels = x_data['labels-corres'].blank? ? x_data['labels'] : x_data['labels-corres']

  x_data['labels'].each do |l|
    0.upto(y_data.length-1).each do |i|
      split = l.split('-')
      low = l[-1] == '+' ? l[0..-2] : split[0]
      high = split.length == 2 ? split[1] : low
      data = y_data[i].where("#{attribute}" + ' >= ?', low)
      data = data.where("#{attribute}" + ' <= ?', high) unless l[-1] == '+'

      datasets[i].push(data.count)
    end
  end

  {labels: labels, datasets: datasets}
end

#plot_bar_chart(id, data, options = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 167

def plot_bar_chart(id, data, options = {})
  plot_type_1_chart(id, 'bar', data, options)
end

#plot_chart(id, type, plot_data, options = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 3

def plot_chart(id, type, plot_data, options = {})
  default_options = {
      tooltips: {
          mode: 'nearest',
          intersect: false
      },
      responsive: true
  }
  options = options.merge(default_options)
  render 'dash_creator/chart/plot_chart', {id: id, type: type, data: plot_data, options: options}
end

#plot_doughnut_chart(id, data, options = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 181

def plot_doughnut_chart(id, data, options = {})
  plot_type_2_chart(id, 'doughnut', data, options)
end

#plot_line_chart(id, data, options = {}) ⇒ Object

 Type 1 charts & mixed bar/line



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# File 'app/helpers/dash_creator/chart_helper.rb', line 163

def plot_line_chart(id, data, options = {})
  plot_type_1_chart(id, 'line', data, options)
end

#plot_mixed_chart(id, data, options = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 171

def plot_mixed_chart(id, data, options = {})
  plot_type_1_chart(id, 'mixed', data, options)
end

#plot_pie_chart(id, data, options = {}) ⇒ Object

 Type 2 charts



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# File 'app/helpers/dash_creator/chart_helper.rb', line 177

def plot_pie_chart(id, data, options = {})
  plot_type_2_chart(id, 'pie', data, options)
end

#plot_polar_chart(id, data, options = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 185

def plot_polar_chart(id, data, options = {})
  plot_type_2_chart(id, 'polarArea', data, options)
end

#plot_radar_chart(id, data, options = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 189

def plot_radar_chart(id, data, options = {})
  plot_type_2_chart(id, 'radar', data, options)
end

#plot_type_1_chart(id, type, data, options = {}) ⇒ Object

Data formatting (hash) :labels is array of labels :datasets_labels is array of datasets labels :datasets is array of arrays containing the datasets data for a mixed chart, :types is array of datasets types :style contains chart styling



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# File 'app/helpers/dash_creator/chart_helper.rb', line 29

def plot_type_1_chart(id, type, data, options = {})
  begin
    raise ArgumentError, 'datasets_key_missing' unless data.key?('datasets')
    raise ArgumentError, 'labels_key_missing' unless data.key?('labels')
    raise ArgumentError, 'types_key_missing' if (type == 'mixed' && !data.key?('types'))

    plot_data = type_1_data_to_plot(data)
  rescue Exception => e
    return render html: create_plot_error_message(id, type, e.message).to_s
  end
  plot_data_with_options = type_1_add_style(plot_data, data['style'])
  plot_data_with_options[:options] = plot_data_with_options[:options].merge(options)

  plot_chart(id, type, plot_data_with_options[:plot_data], plot_data_with_options[:options])
end

#plot_type_2_chart(id, type, data, options = {}) ⇒ Object

Data formatting (hash) :labels is array of labels :datasets is array of arrays containing the datasets data :style contains chart styling



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# File 'app/helpers/dash_creator/chart_helper.rb', line 116

def plot_type_2_chart(id, type, data, options = {})
  begin
    raise ArgumentError, 'datasets_key_missing' unless data.key?('datasets')
    raise ArgumentError, 'labels_key_missing' unless data.key?('labels')

    plot_data = type_2_data_to_plot(data)
  rescue Exception => e
    return render html: create_plot_error_message(id, type, e.message).to_s
  end
  plot_data_with_options = type_2_add_style(plot_data, data['style'])
  plot_data_with_options = plot_data_with_options.merge(options)

  plot_chart(id, type, plot_data_with_options[:plot_data], plot_data_with_options[:options])
end

#recursive_flatten(h) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 825

def recursive_flatten(h)
  h.flatten(-1).map{|el| el.is_a?(Hash) ? recursive_flatten(el) : el}.flatten
end

#ref_model_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 702

def ref_model_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  ref_model = x_data['attribute']

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}

  labels = ['Having', 'Not having']
  0.upto(y_data.length-1).each do |i|
    tot_count = y_data[i].count
    having_count = y_data[i].where.not("#{ref_model}": nil).count
    datasets[0].push(having_count).push(tot_count - having_count)
  end

  {labels: labels, datasets: datasets}
end

#set_transparency(colors, transparencies) ⇒ Object

From rgb to rgba with given colors and transparencies



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# File 'app/helpers/dash_creator/chart_helper.rb', line 195

def set_transparency(colors, transparencies)
  colors_with_transparency = []
  0.upto(colors.length - 1).each { |i| colors_with_transparency.push('rgba' + colors[i][3..-2] + ', ' + (1-(transparencies[i].to_f/100)).to_s + ')') }
  colors_with_transparency
end

#sub_has_boolean_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 530

def sub_has_boolean_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  model_string = y_data.first.first.class.name.underscore
  attribute_model = x_data['attribute'].classify.safe_constantize
  sub_attribute = x_data['sub_attribute']

  datasets = []
  model_ids = []
  0.upto(y_data.length-1).each do |i|
    datasets.push([])
    model_ids.push(y_data[i].pluck(:id).uniq)
  end

  labels = x_data['labels-corres'].blank? ? x_data['labels'] : x_data['labels-corres']

  x_data['labels'].each do |l|
    0.upto(y_data.length-1).each do |i|
      filtered_model_ids = attribute_model.where("#{sub_attribute}": true_string?(l)).pluck("#{model_string}_id")

      datasets[i].push(count_values_in_common(model_ids[i], filtered_model_ids))
    end
  end

  {labels: labels, datasets: datasets}
end

#sub_has_date_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 331

def sub_has_date_chart_processing(data)
  date_info = data['x_data']
  y_data = data['y_data']

  # Gather all info
  # has_models = date_info['attribute'].pluralize
  model_string = y_data.first.first.class.name.underscore
  attribute_model = date_info['attribute'].classify.safe_constantize
  sub_attribute = date_info['sub_attribute']

  format = date_info.key?('format') ? date_info['format'] : '%d.%m.%Y'
  end_date = get_start_and_end_dates(date_info)[1]
  labels = get_date_labels(date_info)

  datasets = []
  model_ids = []
  0.upto(y_data.length-1).each do |i|
    datasets.push([])
    model_ids.push(y_data[i].pluck(:id).uniq)
  end

  0.upto(labels.length-1).each do |i|
    date = labels[i]
    next_date = i == (labels.length - 1) ? end_date : labels[i+1]
    0.upto(y_data.length-1).each do |k|
      # data = y_data[k].joins("LEFT JOIN #{has_models} ON #{has_models}.#{model_string}_id = #{model_string.pluralize}.id")
      #            .group("#{model_string.pluralize}.id")
      #            .having("#{has_models}.#{sub_attribute}": date..next_date)

      # total_count = 0
      # data.count.each { |key, count| total_count += count }
      # datasets[k].push(total_count)

      filtered_model_ids = attribute_model.where("#{sub_attribute}": date..next_date).pluck("#{model_string}_id")

      datasets[i].push(count_values_in_common(model_ids[i], filtered_model_ids))
    end
  end

  labels = labels.map { |d| d.strftime(format) }

  {labels: labels, datasets: datasets}
end

#sub_has_numeric_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 437

def sub_has_numeric_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  model_string = y_data.first.first.class.name.underscore
  attribute_model = x_data['attribute'].classify.safe_constantize
  sub_attribute = x_data['sub_attribute']

  datasets = []
  model_ids = []
  0.upto(y_data.length-1).each do |i|
      datasets.push([])
      model_ids.push(y_data[i].pluck(:id).uniq)
  end

  labels = x_data['labels-corres'].blank? ? x_data['labels'] : x_data['labels-corres']

  x_data['labels'].each do |l|
    0.upto(y_data.length-1).each do |i|
      split = l.split('-')
      low = l[-1] == '+' ? l[0..-2] : split[0]
      high = split.length == 2 ? split[1] : low

      if l[-1] == '+'
        filtered_model_ids = attribute_model.where("#{sub_attribute} >= ?", low).pluck("#{model_string}_id")
      else
        filtered_model_ids = attribute_model.where("#{sub_attribute}": low..high).pluck("#{model_string}_id")
      end

      datasets[i].push(count_values_in_common(model_ids[i], filtered_model_ids))
    end
  end

  {labels: labels, datasets: datasets}
end

#sub_has_text_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 606

def sub_has_text_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  model_string = y_data.first.first.class.name.underscore
  attribute_model = x_data['attribute'].classify.safe_constantize
  sub_attribute = x_data['sub_attribute']

  datasets = []
  model_ids = []
  0.upto(y_data.length-1).each do |i|
    datasets.push([])
    model_ids.push(y_data[i].pluck(:id).uniq)
  end

  labels = get_or_pluck_labels(x_data, y_data)

  labels.each do |l|
    0.upto(y_data.length-1).each do |i|
      filtered_model_ids = attribute_model.where("#{sub_attribute}": l).pluck("#{model_string}_id")

      datasets[i].push(count_values_in_common(model_ids[i], filtered_model_ids))
    end
  end

  {labels: labels, datasets: datasets}
end

#sub_ref_boolean_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 558

def sub_ref_boolean_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  ref_model = x_data['attribute'][0..-4]
  sub_attribute = x_data['sub_attribute']

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}
  labels = x_data['labels-corres'].blank? ? x_data['labels'] : x_data['labels-corres']

  x_data['labels'].each do |l|
    0.upto(y_data.length-1).each do |i|
      data = y_data[i].joins(:"#{ref_model}").where("#{ref_model.pluralize}.#{sub_attribute}": true_string?(l))

      datasets[i].push(data.count)
    end
  end

  {labels: labels, datasets: datasets}
end

#sub_ref_date_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 375

def sub_ref_date_chart_processing(data)
  date_info = data['x_data']
  y_data = data['y_data']

  # Gather all info
  ref_model = date_info['attribute'][0..-4]
  sub_attribute = date_info['sub_attribute']

  format = date_info.key?('format') ? date_info['format'] : '%d.%m.%Y'
  end_date = get_start_and_end_dates(date_info)[1]
  labels = get_date_labels(date_info)

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}
  0.upto(labels.length-1).each do |i|
    date = labels[i]
    next_date = i == (labels.length - 1) ? end_date : labels[i+1]
    0.upto(y_data.length-1).each do |k|
      count = y_data[k].joins(:"#{ref_model}")
                  .where("#{ref_model.pluralize}.#{sub_attribute}": date..next_date)
                  .count

      datasets[k].push(count)
    end
  end

  labels = labels.map { |d| d.strftime(format) }

  {labels: labels, datasets: datasets}
end

#sub_ref_numeric_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 473

def sub_ref_numeric_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  ref_model = x_data['attribute'][0..-4]
  sub_attribute = x_data['sub_attribute']

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}
  labels = x_data['labels-corres'].blank? ? x_data['labels'] : x_data['labels-corres']

  x_data['labels'].each do |l|
    0.upto(y_data.length-1).each do |i|
      split = l.split('-')
      low = l[-1] == '+' ? l[0..-2] : split[0]
      high = split.length == 2 ? split[1] : low

      if l[-1] == '+'
        data = y_data[i].joins(:"#{ref_model}").where("#{ref_model.pluralize}.#{sub_attribute} >= ?", low)
      else
        data = y_data[i].joins(:"#{ref_model}").where("#{ref_model.pluralize}.#{sub_attribute}": low..high)
      end

      datasets[i].push(data.count)
    end
  end

  {labels: labels, datasets: datasets}
end

#sub_ref_text_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 634

def sub_ref_text_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  ref_model = x_data['attribute'][0..-4]
  sub_attribute = x_data['sub_attribute']

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}

  labels = get_or_pluck_labels(x_data, y_data)

  labels.each do |l|
    0.upto(y_data.length-1).each do |i|
      datasets[i].push(y_data[i].joins(:"#{ref_model}").where("#{ref_model.pluralize}.#{sub_attribute} = '#{l}'").count)
    end
  end

  {labels: labels, datasets: datasets}
end

#text_chart_processing(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 580

def text_chart_processing(data)
  x_data = data['x_data']
  y_data = data['y_data']

  sub_attribute = x_data['sub_attribute']
  unless sub_attribute.nil?
    return sub_has_text_chart_processing(data) if x_data['sub_attribute_from'] == 'has'
    return sub_ref_text_chart_processing(data)
  end

  attribute = x_data['attribute']

  datasets = []
  0.upto(y_data.length-1).each {datasets.push([])}

  labels = get_or_pluck_labels(x_data, y_data)

  labels.each do |l|
    0.upto(y_data.length-1).each do |i|
      datasets[i].push(y_data[i].where("#{attribute}": l).count)
    end
  end

  {labels: labels, datasets: datasets}
end

#type_1_add_style(plot_data, style_options) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 59

def type_1_add_style(plot_data, style_options)
  colors = style_options['colors'].nil? ? nil : set_transparency(style_options['colors'], style_options['transparencies'])

  0.upto(plot_data[:datasets].length-1) do |i|
    set = plot_data[:datasets][i]
    set[:backgroundColor] = colors[i] unless colors.nil? || colors[i].nil?
    set[:borderColor] = style_options['colors'][i] unless style_options['colors'].nil? || style_options['colors'][i].nil?
  end

  # Initialize options
  options = {}
  scales = options['scales'] = {}
  scales['xAxes'] = [{}]
  scales['yAxes'] = [{}]
  scales['xAxes'][0]['gridLines'] = {}
  scales['xAxes'][0]['ticks'] = {}
  scales['yAxes'][0]['gridLines'] = {}
  scales['yAxes'][0]['ticks'] = {}

  # Grid options
  grid_options = style_options['grid']
  scales['xAxes'][0]['gridLines']['display'] = false if grid_options['x'] == 'false'
  scales['yAxes'][0]['gridLines']['display'] = false if grid_options['y'] == 'false'

  # Y Axis options
  y_axis_options = style_options['y-axis']
  scales['yAxes'][0]['ticks']['min'] = y_axis_options['min'].to_i if y_axis_options['min'] != ''
  scales['yAxes'][0]['ticks']['max'] = y_axis_options['max'].to_i if y_axis_options['max'] != ''
  scales['yAxes'][0]['ticks']['stepSize'] = y_axis_options['step'].to_i if y_axis_options['step'] != ''

  # Stacked
  if style_options['stacked'] == 'true'
    scales['xAxes'][0]['stacked'] = true
    scales['yAxes'][0]['stacked'] = true
  end

  # Labeling step
  scales['xAxes'][0]['ticks']['callback'] = style_options['labeling-step'] if style_options['labeling-step'] != ''

  # Legend
  legend_options = style_options['legend']
  legend = options['legend'] = {}
  legend['display'] = false if legend_options['display'] == 'false'
  legend['position'] = legend_options['position']

  # Title
  options['title'] = {display: true, text: style_options['title']} if style_options['title'] != ''

  {plot_data: plot_data, options: options}
end

#type_1_data_to_plot(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 45

def type_1_data_to_plot(data)
  datasets = []
  0.upto(data['datasets'].length-1) do |i|
    set = {data: data['datasets'][i]}
    unless data['labels'][i].nil?
      set[:label] = data['datasets_labels'][i] unless data['datasets_labels'].nil?
    end
    set[:type] = data['types'][i]
    datasets.push(set)
  end

  {labels: data['labels'], datasets: datasets}
end

#type_2_add_style(plot_data, style_options) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 143

def type_2_add_style(plot_data, style_options)
  0.upto(plot_data[:datasets].length-1) do |i|
    set = plot_data[:datasets][i]
    set[:backgroundColor] = set_transparency(style_options['colors'], style_options['transparencies']) unless style_options['colors'].nil?
  end

  options = {}

  legend_options = style_options['legend']
  legend = options['legend'] = {}
  legend['display'] = false if legend_options['display'] == 'false'
  legend['position'] = legend_options['position']

  options['title'] = {display: true, text: style_options['title']} if style_options['title'] != ''

  {plot_data: plot_data, options: options}
end

#type_2_data_to_plot(data) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 131

def type_2_data_to_plot(data)
  datasets = []
  0.upto(data['datasets'].length-1) do |i|
    set = {
        data: data['datasets'][i]
    }
    datasets.push(set)
  end

  {labels: data['labels'], datasets: datasets}
end

#update_chart_script(id, type, action_path, action_params = {}) ⇒ Object 



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# File 'app/helpers/dash_creator/chart_helper.rb', line 19

def update_chart_script(id, type, action_path, action_params = {})
  render 'dash_creator/chart/update_chart', {id: id, type: type, action_path: action_path, action_params: action_params}
end