Add characteristic/measurement to strain

app/pods/protected/strains/show/measurements-table/component.js

@@ -11,7 +11,19 @@ export default Ember.Component.extend({
     }
   }.on('didInsertElement'),
 
-  sortParams: ['characteristicTypeName', 'sortOrder', 'characteristicName'],
+  sortParams: ['characteristic.characteristicTypeName', 'characteristic.sortOrder', 'characteristic.characteristicName'],
   sortedMeasurements: Ember.computed.sort('model.measurements', 'sortParams'),
 
+  actions: {
+    addCharacteristic: function() {
+      const c = this.store.createRecord('characteristic', {
+        sortOrder: -999
+      })
+      const m = this.store.createRecord('measurement', {
+        characteristic: c
+      });
+      this.get('model.measurements').addObject(m);
+    },
+  },
+
 });

app/pods/protected/strains/show/measurements-table/template.hbs

@@ -1,3 +1,11 @@
+{{#if canAdd}}
+<br>
+<button class="button-green smaller" {{action "addCharacteristic"}}>
+  Add characteristic
+</button>
+<br><br>
+{{/if}}
+
 {{#if measurementsPresent}}
 <table class="flakes-table">
   <colgroup>

app/pods/protected/strains/show/template.hbs

@@ -77,6 +77,7 @@
             protected/strains/show/measurements-table
             model=model
             canEdit=false
+            canAdd=false
           }}
         </dd>
       </dl>