Adds moderate actions to proposal system notifications

app/controllers/admin/system_emails_controller.rb

@@ -1,6 +1,6 @@
 class Admin::SystemEmailsController < Admin::BaseController
 
-  before_action :load_system_email, only: [:view, :preview_pending]
+  before_action :load_system_email, only: [:view, :preview_pending, :moderate_pending]
 
   def index
     @system_emails = {

app/models/proposal_notification.rb

@@ -55,4 +55,9 @@ class ProposalNotification < ActiveRecord::Base
     self.update(author_id: self.proposal.author_id) if self.proposal
   end
 
+  def moderate_system_email(moderator)
+    Notification.where(notifiable_type: 'ProposalNotification', notifiable: self).destroy_all
+    Activity.log(moderator, :hide, self)
+  end
+
 end

app/views/admin/system_emails/preview_pending/_proposal_notification_digest.html.erb

@@ -1,6 +1,7 @@
 <% if preview.proposal.present? %>
+  <div id="<%= dom_id(preview) %>">
     <div class="callout highlight">
-    <div class="row">
+      <div class="row expanded">
         <div class="small-12 medium-6 column">
           <strong><%= t("admin.shared.proposal") %></strong><br>
           <%= link_to preview.proposal.title, proposal_url(preview.proposal) %>
@@ -9,8 +10,6 @@
           <strong><%= t("admin.shared.title") %></strong><br>
           <%= link_to preview.title, proposal_url(preview.proposal, anchor: "tab-notifications") %>
         </div>
-    </div>
-    <div class="row">
         <div class="small-12 medium-6 column">
           <strong><%= t("admin.shared.author") %></strong><br>
           <%= preview.proposal.author&.username || '-' %>
@@ -25,9 +24,17 @@
     <div class="row">
       <div class="column">
         <strong><%= t("admin.shared.content") %></strong>
-      <p class="help-text" id="phase-description-help-text">
+        <p id="phase-description-help-text">
           <%= preview.body %>
         </p>
       </div>
     </div>
+
+    <%= link_to t("admin.system_emails.preview_pending.moderate_pending"),
+          admin_system_email_moderate_pending_path(system_email_id: 'proposal_notification_digest',
+          id: preview.id),
+          method: :put,
+          class: "button hollow float-right" %>
+  </div>
+  <hr>
 <% end %>

spec/models/proposal_notification_spec.rb

@@ -152,5 +152,21 @@ describe ProposalNotification do
 
     end
 
+    describe "#moderate_system_email" do
+      let(:admin) { create(:administrator) }
+      let(:proposal) { create(:proposal) }
+      let(:proposal_notification) { build(:proposal_notification, proposal: proposal) }
+      let(:notification) { create(:notification, notifiable: proposal_notification) }
+
+      it "removes all notifications related to the proposal notification" do
+        proposal_notification.moderate_system_email(admin.user)
+        expect(Notification.all.count).to be(0)
+      end
+
+      it "records the moderation action in the Activity table" do
+        proposal_notification.moderate_system_email(admin.user)
+        expect(Activity.last.actionable_type).to eq('ProposalNotification')
+      end
+    end
   end
 end