UNITS!

Resolves #56

app/models/carbohydrate_intake.rb

@@ -3,6 +3,14 @@ def self.short_name
     'Carbs'
   end
 
+  def self.units
+    {
+      full: 'Grams',
+      short: 'g',
+      applies_to: :weight
+    }
+  end
+
   def self.fields
     [
       'weight',

app/models/glucose_measurement.rb

@@ -3,6 +3,14 @@ def self.short_name
     'Glucose'
   end
 
+  def self.units
+    {
+      full: 'millimoles per Litre',
+      short: 'mmol/L',
+      applies_to: :value
+    }
+  end
+
   def self.fields
     [
       'value'

app/models/medication_event.rb

@@ -3,6 +3,14 @@ def self.short_name
     'Meds'
   end
 
+  def self.units
+    {
+      full: 'Insulin units',
+      short: 'u',
+      applies_to: :dose
+    }
+  end
+
   def self.insulin_types
     [
       'humalog',

app/models/physical_exercise.rb

@@ -3,6 +3,14 @@ def self.short_name
     'Exercise'
   end
 
+  def self.units
+    {
+      full: 'Minutes',
+      short: 'mins',
+      applies_to: :duration
+    }
+  end
+
   def self.fields
     [
       'duration',

app/views/welcome/index.html.erb

@@ -18,7 +18,9 @@
       <tr>
         <td>
           <%= link_to value.datetime.strftime('%H:%M'),
-            send("edit_#{value.class.name.underscore}_path".to_sym, value) %>
+            send("edit_#{value.class.name.underscore}_path".to_sym, value),
+            title: 'Edit this metric'
+          %>
         </td>
         <td>
           <%= class_name(value).short_name %>
@@ -27,6 +29,11 @@
         <% class_name(value).fields.each do |field| %>
           <td class='<%= "#{value.class.name.underscore.gsub('_', '-')}-#{field}" %>'>
             <%= value.send(field) %>
+            <% if value.class.units[:applies_to] == field.to_sym %>
+              <span data-toggle='tooltip' data-placement='top' title='<%= value.send(field) %> <%= value.class.units[:full] %>'>
+                <%= value.class.units[:short] %>
+              </span>
+            <% end %>
           </td>
           <% count += 1 %>
         <% end %>

spec/requests/medication_events_spec.rb

@@ -49,7 +49,7 @@
       select 'humalog', from: 'Insulin'
       click_button 'Add'
 
-      expect(page.all('td').map { |cell| cell.text }).to eq ['09:00', 'Meds', '10.5', 'humalog']
+      expect(page.all('td').map { |cell| cell.text }).to eq ['09:00', 'Meds', '10.5 u', 'humalog']
 
       visit new_medication_event_url(as: user)
       fill_in 'Date and time', with: Time.now - 86400

spec/requests/welcome_spec.rb

@@ -35,10 +35,10 @@
     it 'has a table of datas' do
       visit root_path(as: user)
       within 'table' do
-        expect(page).to have_content '09:30	Carbs	70.0 pasta bolognese'
-        expect(page).to have_content '09:00	Glucose	6.0'
-        expect(page).to have_content '08:30	Meds 10.0	humalog'
-        expect(page).to have_content '08:00	Glucose	6.0'
+        expect(page).to have_content '09:30	Carbs	70.0 g pasta bolognese'
+        expect(page).to have_content '09:00	Glucose	6.0 mmol/L'
+        expect(page).to have_content '08:30	Meds 10.0	u humalog'
+        expect(page).to have_content '08:00	Glucose	6.0 mmol/L'
       end
     end
   end