Adding ability to show and hide menu items

app/assets/javascripts/admin/enterprises/controllers/enterprise_controller.js.coffee

@@ -45,3 +45,11 @@ angular.module("admin.enterprises")
         count++ if shipping_method.selected
         count
       , 0
+
+    $scope.$watch "Enterprise.is_primary_producer", (newValue, oldValue) ->
+      if newValue
+        $scope.menu.hide_item_by_name('Shipping Methods')
+        $scope.menu.hide_item_by_name('Payment Methods')
+      else if !newValue
+        $scope.menu.show_item_by_name('Shipping Methods')
+        $scope.menu.show_item_by_name('Payment Methods')

app/assets/javascripts/admin/enterprises/controllers/side_menu_controller.js.coffee

@@ -4,18 +4,18 @@ angular.module("admin.enterprises")
     $scope.menu = SideMenu
     $scope.select = SideMenu.select
 
-    SideMenu.setItems [
+    $scope.menu.setItems [
       { name: 'Primary Details' }
       { name: 'Address' }
       { name: 'Contact' }
       { name: 'Social' }
       { name: 'About' }
-      { name: "Business Details"}
+      { name: 'Business Details' }
       { name: 'Images' }
-      { name: "Shipping Methods"}
-      { name: "Payment Methods"}
-      { name: "Enterprise Fees"}
-      { name: "Preferences"}
+      { name: "Shipping Methods" }
+      { name: "Payment Methods" }
+      { name: "Enterprise Fees" }
+      { name: "Preferences" }
     ]
 
     $scope.select(0)

app/assets/javascripts/admin/side_menu/services/side_menu.js.coffee

@@ -6,10 +6,23 @@ angular.module("admin.side_menu")
 
       setItems: (items) =>
         @items = items
+        item.visible = true for item in @items
 
       select: (index) =>
-        @selected.selected = false if @selected
-        @selected = @items[index]
-        @selected.selected = true
+        if index < @items.length
+          @selected.selected = false if @selected
+          @selected = @items[index]
+          @selected.selected = true
 
+      find_by_name: (name) =>
+        for item in @items when item.name is name
+          return item
+        null
 
+      hide_item_by_name: (name) =>
+        item = @find_by_name(name)
+        item.visible = false if item
+
+      show_item_by_name: (name) =>
+        item = @find_by_name(name)
+        item.visible = true if item