added counter

app/assets/stylesheets/application.sass

@@ -24,3 +24,20 @@ body
     label.required
       abbr
         display: none
+  
+  #counter
+    background-color: #3c763d
+    padding: 3px 6px
+    border: 1px solid #3c763d
+    border-radius: 5px
+    color: white
+    
+    .counter_char
+      background-color: white
+      width: 20px
+      padding: 5px auto
+      border: 1px solid #3c763d
+      border-radius: 5px
+      display: inline-block
+      text-align: center
+      color: #3c763d

app/models/supporter.rb

@@ -3,6 +3,8 @@ class Supporter
   include Mongoid::Timestamps
   include Geocoder::Model::Mongoid
 
+  COUNTER_START = 1331
+
   geocoded_by :address
   after_validation :geocode          # auto-fetch coordinates
 
@@ -25,6 +27,11 @@ class Supporter
   validates :support,      presence: true
   validates :age_category, presence: true
 
+  def self.counter
+    actual = count.to_i
+    actual > COUNTER_START ? actual : COUNTER_START
+  end
+
   def address
     "#{street}, #{zip}, #{city}, Switzerland"
   end

app/views/layouts/application.html.slim

@@ -8,4 +8,5 @@ html
     / = console if Rails.env.development?
     .container
       = render 'shared/flashes'
+      = render 'shared/counter'
       = yield

app/views/shared/_counter.de.slim

@@ -0,0 +1,4 @@
+#counter.pull-right
+  | Unterstützer:
+  - Supporter.counter.to_s.split('').each do |x|
+    .counter_char= x

spec/models/supporter_spec.rb

@@ -10,4 +10,16 @@ describe Supporter do
   it { is_expected.to validate_uniqueness_of(:email) }
   it { is_expected.to validate_presence_of(:support) }
   it { is_expected.to validate_presence_of(:age_category) }
+
+  describe '.counter' do
+    it 'counts only from a certain number on' do
+      allow(Supporter).to receive(:count)  { 12 }
+
+      expect(Supporter.counter).to eq Supporter::COUNTER_START
+
+      allow(Supporter).to receive(:count)  { Supporter::COUNTER_START + 12 }
+
+      expect(Supporter.counter).to eq Supporter::COUNTER_START + 12
+    end
+  end
 end