Add mailer for namespace storage limit exceeded

Add mailer preview for namespace storage limit exceeded

ee/app/helpers/ee/gitlab_routing_helper.rb

@@ -87,5 +87,13 @@ module EE
         profile_usage_quotas_path(*args)
       end
     end
+
+    def usage_quotas_url(namespace, *args)
+      if namespace.group_namespace?
+        group_usage_quotas_url(namespace, *args)
+      else
+        profile_usage_quotas_url(*args)
+      end
+    end
   end
 end

ee/app/helpers/ee/namespaces_helper.rb

@@ -55,6 +55,12 @@ module EE
       buy_storage_subscriptions_path(selected_group: namespace.id)
     end
 
+    def buy_storage_url(namespace)
+      return EE::SUBSCRIPTIONS_MORE_STORAGE_URL if use_customers_dot_for_addon_path?(namespace)
+
+      buy_storage_subscriptions_url(selected_group: namespace.id)
+    end
+
     private
 
     def use_customers_dot_for_addon_path?(namespace)

ee/app/mailers/emails/namespace_storage_usage_mailer.rb

+# frozen_string_literal: true
+
+module Emails
+  class NamespaceStorageUsageMailer < ApplicationMailer
+    include NamespacesHelper
+    include GitlabRoutingHelper
+
+    helper EmailsHelper
+
+    layout 'mailer'
+
+    def notify_out_of_storage(namespace, recipients)
+      @namespace = namespace
+      @usage_quotas_url = usage_quotas_url(namespace, anchor: 'storage-quota-tab')
+      @buy_storage_url = buy_storage_url(namespace)
+
+      mail(
+        bcc: recipients,
+        subject: s_("NamespaceStorage|Action required: Storage has been exceeded for %{namespace_name}" % { namespace_name: namespace.name })
+      )
+    end
+
+    def notify_limit_warning(namespace, recipients, percentage_of_available_storage)
+      @namespace = namespace
+      @usage_quotas_url = usage_quotas_url(namespace, anchor: 'storage-quota-tab')
+      @buy_storage_url = buy_storage_url(namespace)
+      @percentage_of_available_storage = percentage_of_available_storage
+
+      mail(
+        bcc: recipients,
+        subject: s_("NamespaceStorage|Action required: Less than %{percentage_of_available_storage}%% of namespace storage remains for %{namespace_name}" %
+                    { percentage_of_available_storage: percentage_of_available_storage, namespace_name: namespace.name })
+      )
+    end
+  end
+end

ee/app/mailers/previews/emails/namespace_storage_usage_mailer_preview.rb

+# frozen_string_literal: true
+
+module Emails
+  class NamespaceStorageUsageMailerPreview < ActionMailer::Preview
+    def out_of_storage
+      ::Emails::NamespaceStorageUsageMailer.notify_out_of_storage(Group.last, %w(bob@example.com))
+    end
+
+    def limit_warning
+      ::Emails::NamespaceStorageUsageMailer.notify_limit_warning(Group.last, %w(bob@example.com), 25)
+    end
+  end
+end

ee/app/views/emails/namespace_storage_usage_mailer/notify_limit_warning.html.haml

+%p
+  - name_link = link_to @namespace.name, @usage_quotas_url
+  = html_escape(s_('NamespaceStorage|%{name_with_link} namespace has %{percent} or less namespace storage space remaining.')) % { name_with_link: name_link.html_safe, percent: "#{@percentage_of_available_storage}%" }
+%p
+  = s_('NamespaceStorage|We recommend that you buy additional storage to ensure your service is not interrupted.')
+%p
+  = link_to sprintf('%{link_label} →', { link_label: s_('NamespaceStorage|Buy more storage') }), @buy_storage_url

ee/app/views/emails/namespace_storage_usage_mailer/notify_limit_warning.text.erb

+<%= s_('NamespaceStorage|%{name}(%{url}) namespace has %{percent} or less namespace storage space remaining.') % { name: @namespace.name, url: @usage_quotas_url, percent: "#{@percentage_of_available_storage}%" }%>
+
+<%= s_('NamespaceStorage|We recommend that you buy additional storage to ensure your service is not interrupted.') %>
+
+<%= s_('NamespaceStorage|Buy more storage') %> → <%= @buy_storage_url %>

ee/app/views/emails/namespace_storage_usage_mailer/notify_out_of_storage.html.haml

+%p
+  - name_link = link_to @namespace.name, @usage_quotas_url
+  = html_escape(s_('NamespaceStorage|%{name_with_link} namespace has exceeded its namespace storage limit.')) % { name_with_link: name_link.html_safe }
+%p
+  = s_('NamespaceStorage|We recommend that you buy additional storage to resume normal service.')
+%p
+  = link_to sprintf('%{link_label} →', { link_label: s_('NamespaceStorage|Buy more storage') }), @buy_storage_url

ee/app/views/emails/namespace_storage_usage_mailer/notify_out_of_storage.text.erb

+<%= s_('NamespaceStorage|%{name}(%{url}) namespace has exceeded its namespace storage limit.') % { name: @namespace.name, url: @usage_quotas_url }%>
+
+<%= s_('NamespaceStorage|We recommend that you buy additional storage to resume normal service.') %>
+
+<%= s_('NamespaceStorage|Buy more storage') %> → <%= @buy_storage_url %>

ee/spec/helpers/ee/gitlab_routing_helper_spec.rb

@@ -197,4 +197,24 @@ RSpec.describe EE::GitlabRoutingHelper do
       expect(usage_quotas_path(namespace, foo: 'bar', anchor: 'quotas-tab')).to eq('/-/profile/usage_quotas?foo=bar#quotas-tab')
     end
   end
+
+  describe '#usage_quotas_url' do
+    it 'returns the group usage quota url for a group namespace' do
+      group = build(:group)
+
+      expect(usage_quotas_url(group)).to eq("http://test.host/groups/#{group.full_path}/-/usage_quotas")
+    end
+
+    it 'returns the profile usage quotas url for any other namespace' do
+      namespace = build(:namespace)
+
+      expect(usage_quotas_url(namespace)).to eq('http://test.host/-/profile/usage_quotas')
+    end
+
+    it 'returns the url with any args supplied' do
+      namespace = build(:namespace)
+
+      expect(usage_quotas_url(namespace, foo: 'bar', anchor: 'quotas-tab')).to eq('http://test.host/-/profile/usage_quotas?foo=bar#quotas-tab')
+    end
+  end
 end

ee/spec/mailers/emails/namespace_storage_usage_mailer_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Emails::NamespaceStorageUsageMailer do
+  include EmailSpec::Matchers
+
+  let_it_be(:group) { create(:group) }
+  let_it_be(:namespace) { create(:namespace) }
+
+  let(:recipients) { %w(bob@example.com john@example.com) }
+
+  describe '#notify_out_of_storage' do
+    it 'creates an email message for a group' do
+      mail = described_class.notify_out_of_storage(group, recipients)
+
+      expect(mail).to have_subject "Action required: Storage has been exceeded for #{group.name}"
+      expect(mail).to bcc_to recipients
+      expect(mail).to have_body_text "#{usage_quotas_url(group, anchor: 'storage-quota-tab')}"
+      expect(mail).to have_body_text "has exceeded its namespace storage limit"
+      expect(mail).to have_body_text "#{buy_storage_subscriptions_url(selected_group: group.id)}"
+    end
+
+    it 'creates an email message for a namespace' do
+      mail = described_class.notify_out_of_storage(namespace, recipients)
+
+      expect(mail).to have_subject "Action required: Storage has been exceeded for #{namespace.name}"
+      expect(mail).to bcc_to recipients
+      expect(mail).to have_body_text "#{usage_quotas_url(namespace, anchor: 'storage-quota-tab')}"
+      expect(mail).to have_body_text "has exceeded its namespace storage limit"
+      expect(mail).to have_body_text EE::SUBSCRIPTIONS_MORE_STORAGE_URL
+    end
+  end
+
+  describe '#notify_limit_warning' do
+    it 'creates an email message for a group' do
+      mail = described_class.notify_limit_warning(group, recipients, 25)
+
+      expect(mail).to have_subject "Action required: Less than 25% of namespace storage remains for #{group.name}"
+      expect(mail).to bcc_to recipients
+      expect(mail).to have_body_text "#{usage_quotas_url(group, anchor: 'storage-quota-tab')}"
+      expect(mail).to have_body_text "has 25% or less namespace storage space remaining"
+      expect(mail).to have_body_text "#{buy_storage_subscriptions_url(selected_group: group.id)}"
+    end
+
+    it 'creates an email message for a namespace' do
+      mail = described_class.notify_limit_warning(namespace, recipients, 30)
+
+      expect(mail).to have_subject "Action required: Less than 30% of namespace storage remains for #{namespace.name}"
+      expect(mail).to bcc_to recipients
+      expect(mail).to have_body_text "#{usage_quotas_url(namespace, anchor: 'storage-quota-tab')}"
+      expect(mail).to have_body_text "has 30% or less namespace storage space remaining"
+      expect(mail).to have_body_text EE::SUBSCRIPTIONS_MORE_STORAGE_URL
+    end
+  end
+end

locale/gitlab.pot

@@ -24146,6 +24146,33 @@ msgstr ""
 msgid "NamespaceStorageSize|push to your repository, create pipelines, create issues or add comments. To reduce storage capacity, delete unused repositories, artifacts, wikis, issues, and pipelines."
 msgstr ""
 
+msgid "NamespaceStorage|%{name_with_link} namespace has %{percent} or less namespace storage space remaining."
+msgstr ""
+
+msgid "NamespaceStorage|%{name_with_link} namespace has exceeded its namespace storage limit."
+msgstr ""
+
+msgid "NamespaceStorage|%{name}(%{url}) namespace has %{percent} or less namespace storage space remaining."
+msgstr ""
+
+msgid "NamespaceStorage|%{name}(%{url}) namespace has exceeded its namespace storage limit."
+msgstr ""
+
+msgid "NamespaceStorage|Action required: Less than %{percentage_of_available_storage}%% of namespace storage remains for %{namespace_name}"
+msgstr ""
+
+msgid "NamespaceStorage|Action required: Storage has been exceeded for %{namespace_name}"
+msgstr ""
+
+msgid "NamespaceStorage|Buy more storage"
+msgstr ""
+
+msgid "NamespaceStorage|We recommend that you buy additional storage to ensure your service is not interrupted."
+msgstr ""
+
+msgid "NamespaceStorage|We recommend that you buy additional storage to resume normal service."
+msgstr ""
+
 msgid "NamespaceUserCap|Pending users must be reviewed and approved by a group owner. Learn more about %{user_caps_link_start}user caps%{link_end} and %{users_pending_approval_link_start}users pending approval%{link_end}."
 msgstr ""