Move progress bar to a class and fix red bar wrong width

app/helpers/dashboard_helper.rb

@@ -1,13 +1,6 @@
 module DashboardHelper
-  # :reek:FeatureEnvy
-  def progress_tag(current:, min: 0, max: 100, text: '')
-    width_persentage = current.zero? ? 0 : (current - min) * 100 / (max - min)
-    content_tag(:div,
-                content_tag(:div, text,
-                            class: current.negative? ? 'progress-bar bg-danger' : 'progress-bar',
-                            'aria-valuemax' => max, 'aria-valuemin' => min, 'aria-valuenow' => current,
-                            'role' => 'progressbar', 'style' => "width: #{width_persentage}%"),
-                class: 'progress')
+  def progress_tag(current:, **options)
+    ProgressBar.new(current: current, **options).html_tag
   end
 
   def activity_time_tag(time)

app/helpers/progress_bar.rb

@@ -0,0 +1,34 @@
+class ProgressBar
+  include ActionView::Helpers::TagHelper
+
+  def initialize(current:, min: 0, max: 100, text: '')
+    @current = current
+    @min = min
+    @max = max
+    @text = text
+  end
+
+  def html_tag
+    content_tag(:div,
+                content_tag(:div, text,
+                            class: "progress-bar #{'bg-danger' if current.negative?}",
+                            'aria-valuemax' => max, 'aria-valuemin' => min, 'aria-valuenow' => current,
+                            'role' => 'progressbar',
+                            'style' => "width: #{width_persentage}%"),
+                class: 'progress')
+  end
+
+  private
+
+  attr_accessor :current, :min, :max, :text
+
+  def width_persentage
+    if current.zero?
+      0
+    elsif current.positive?
+      current * 100 / max
+    else
+      current * 100 / (max + min)
+    end
+  end
+end