Module: Blazer::BaseHelper

Defined in:
app/helpers/blazer/base_helper.rb

Constant Summary collapse

BLAZER_URL_REGEX = 
/\Ahttps?:\/\/[\S]+\z/
BLAZER_IMAGE_EXT = 
%w[png jpg jpeg gif]

Instance Method Summary collapse

Instance Method Details

#blazer_format_annotations(annotations) ⇒ Object 



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# File 'app/helpers/blazer/base_helper.rb', line 45

def blazer_format_annotations(annotations)
  return [] unless annotations.is_a?(Array)
  sorted = annotations.sort_by { |annotation| annotation[:min_date] }

  boxes = sorted.select { |annotation| annotation[:max_date] }.map.with_index do |annotation, index|
    {
      type: "box",
      xScaleID: "x",
      xMin: annotation[:min_date],
      xMax: annotation[:max_date],
      backgroundColor: annotation[:color] || blazer_map_annotation_box_colors(index),
    }
  end

  # chartjs annotations don't support labels for box annotations
  labels = sorted.select { |annotation| annotation[:label] }.map.with_index do |annotation, index|
    {
      type: "line",
      value: annotation[:min_date],
      mode: "vertical",
      scaleID: "x",
      adjustScaleRange: false,
      borderColor: annotation[:color] || '#00000050',
      drawTime: "afterDatasetsDraw",
      label: {
        content: annotation[:label],
        enabled: true,
        position: "bottom",
        yAdjust: 30 + (index * 30) % 60,
      },
    }
  end

  boxes + labels
end

#blazer_format_value(key, value) ⇒ Object 



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# File 'app/helpers/blazer/base_helper.rb', line 14

def blazer_format_value(key, value)
  if value.is_a?(Numeric) && !key.to_s.end_with?("id") && !key.to_s.start_with?("id")
    number_with_delimiter(value)
  elsif value.is_a?(String) && value =~ BLAZER_URL_REGEX
    # see if image or link
    if Blazer.images && (key.include?("image") || BLAZER_IMAGE_EXT.include?(value.split(".").last.split("?").first.try(:downcase)))
      link_to value, target: "_blank" do
        image_tag value, referrerpolicy: "no-referrer"
      end
    else
      link_to value, value, target: "_blank"
    end
  else
    value
  end
end

#blazer_js_var(name, value) ⇒ Object 



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# File 'app/helpers/blazer/base_helper.rb', line 31

def blazer_js_var(name, value)
  "var #{name} = #{json_escape(value.to_json(root: false))};".html_safe
end

#blazer_series_name(k) ⇒ Object 



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# File 'app/helpers/blazer/base_helper.rb', line 35

def blazer_series_name(k)
  k.nil? ? "null" : k.to_s
end

#blazer_title(title = nil) ⇒ Object 



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# File 'app/helpers/blazer/base_helper.rb', line 3

def blazer_title(title = nil)
  if title
    content_for(:title) { title }
  else
    content_for?(:title) ? content_for(:title) : nil
  end
end

#blazer_var_default?(key) ⇒ Boolean 



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# File 'app/helpers/blazer/base_helper.rb', line 39

def blazer_var_default?(key)
  value = request.query_parameters[key]
  return true if value.to_s == ""
  return true if @data_sources.any? { |source| source.variable_defaults[key].to_s == value.to_s }
end