Email confirmation to abuse reports (#12557)

* Notify user that the feedback was received

* Feedback response templates

* Specs for user feedback notification

app/controllers/feedback_messages_controller.rb

@@ -20,6 +20,13 @@ class FeedbackMessagesController < ApplicationController
       )
       rate_limiter.track_limit_by_action(:feedback_message_creation)
 
+      if user_signed_in?
+        Rails.cache.fetch("user-#{current_user.id}-feedback-response-sent-at", expires_in: 24.hours) do
+          NotifyMailer.with(email_to: current_user.email).feedback_response_email.deliver_later
+          Time.current
+        end
+      end
+
       respond_to do |format|
         format.html { redirect_to feedback_messages_path }
         format.json { render json: { success: true, message: "Your report is submitted" } }

app/mailers/notify_mailer.rb

@@ -58,6 +58,10 @@ class NotifyMailer < ApplicationMailer
     mail(to: @user.email, subject: "You just got a badge")
   end
 
+  def feedback_response_email
+    mail(to: params[:email_to], subject: "Thanks for your report on #{SiteConfig.community_name}")
+  end
+
   def feedback_message_resolution_email
     @user = User.find_by(email: params[:email_to])
     @email_body = params[:email_body]

app/views/mailers/notify_mailer/feedback_response_email.html.erb

@@ -0,0 +1,17 @@
+<p>
+  Hi there,
+</p>
+
+<p>
+  Thank you for flagging content that may be in violation of the <%= community_name %> Code of Conduct and/or our Terms of Use. We are looking into your report and will reach out if we require additional information in order to take appropriate action.
+</p>
+
+<p>
+  We appreciate your help as we work to foster a positive and inclusive environment for all!
+</p>
+
+<p>
+  Thanks,
+  <br>
+  The <%= community_name %> Team
+</p>

app/views/mailers/notify_mailer/feedback_response_email.text.erb

@@ -0,0 +1,6 @@
+Hi there,
+Thank you for flagging content that may be in violation of the <%= community_name %> Code of Conduct and/or our Terms of Use. We are looking into your report and will reach out if we require additional information in order to take appropriate action.
+We appreciate your help as we work to foster a positive and inclusive environment for all!
+
+Thanks,
+The <%= community_name %> Team

spec/mailers/notify_mailer_spec.rb

@@ -311,6 +311,28 @@ RSpec.describe NotifyMailer, type: :mailer do
     end
   end
 
+  describe "#feedback_response_email" do
+    let(:email) { described_class.with(email_to: user.email).feedback_response_email }
+
+    it "renders proper subject" do
+      expect(email.subject).to eq("Thanks for your report on #{SiteConfig.community_name}")
+    end
+
+    it "renders proper sender" do
+      expect(email.from).to eq([SiteConfig.email_addresses[:default]])
+      expected_from = "#{SiteConfig.community_name} <#{SiteConfig.email_addresses[:default]}>"
+      expect(email["from"].value).to eq(expected_from)
+    end
+
+    it "renders proper receiver" do
+      expect(email.to).to eq([user.email])
+    end
+
+    it "renders proper body" do
+      expect(email.html_part.body).to include("Thank you for flagging content")
+    end
+  end
+
   describe "#user_contact_email" do
     let(:email_params) do
       {

spec/requests/feedback_messages_spec.rb

@@ -49,6 +49,14 @@ RSpec.describe "feedback_messages", type: :request do
           post feedback_messages_path, params: valid_abuse_report_params, headers: headers
         end
       end
+
+      it "doesn't try to send an email" do
+        expect do
+          perform_enqueued_jobs do
+            post feedback_messages_path, params: valid_abuse_report_params, headers: headers
+          end
+        end.not_to change { ActionMailer::Base.deliveries.count }
+      end
     end
 
     context "when feedback is created by chat" do
@@ -135,6 +143,38 @@ RSpec.describe "feedback_messages", type: :request do
           post feedback_messages_path, params: valid_abuse_report_params, headers: headers
         end
       end
+
+      it "sends an email when no cache" do
+        expect do
+          perform_enqueued_jobs do
+            post feedback_messages_path, params: valid_abuse_report_params, headers: headers
+          end
+        end.to change { ActionMailer::Base.deliveries.count }.by(1)
+      end
+
+      it "queues a correct email when no cache" do
+        mailer_class = NotifyMailer
+        mailer = double
+        message_delivery = double
+        allow(mailer_class).to receive(:with).and_return(mailer)
+        allow(mailer).to receive(:feedback_response_email).and_return(message_delivery)
+        allow(message_delivery).to receive(:deliver_later)
+
+        post feedback_messages_path, params: valid_abuse_report_params, headers: headers
+
+        expect(mailer_class).to have_received(:with).with(email_to: user.email)
+        expect(mailer).to have_received(:feedback_response_email)
+        expect(message_delivery).to have_received(:deliver_later)
+      end
+
+      it "doesn't queue an email when cache is set" do
+        allow(Rails.cache).to receive(:read).and_return(Time.current)
+        expect do
+          perform_enqueued_jobs do
+            post feedback_messages_path, params: valid_abuse_report_params, headers: headers
+          end
+        end.not_to change { ActionMailer::Base.deliveries.count }
+      end
     end
 
     context "when a user doesn't qualify to bypass the recaptcha submits a report" do