Notify user about errors raised in reports

app/jobs/report_job.rb

@@ -27,6 +27,8 @@ class ReportJob < ApplicationJob
         report_class:, user:, params:, format:
       }
     end
+
+    broadcast_error(channel)
   end
 
   def email_result(user, blob)
@@ -43,6 +45,13 @@ class ReportJob < ApplicationJob
     ).broadcast
   end
 
+  def broadcast_error(channel)
+    cable_ready[channel].inner_html(
+      selector: "#report-table",
+      html: I18n.t("report_job.report_failed")
+    ).broadcast
+  end
+
   def actioncable_content(format, blob)
     return blob.result if format.to_sym == :html
 

config/locales/en.yml

@@ -335,6 +335,10 @@ en:
       not_array_error: "must be an array"
       invalid_element_error: "must contain only valid integers"
 
+  report_job:
+    report_failed: |
+      This report failed. It may be too big to process.
+      We will look into it but please let us know if the problem persists.
   enterprise_mailer:
     confirmation_instructions:
       subject: "Please confirm the email address for %{enterprise}"