More stable error reporting

app/controllers/application_controller.rb

@@ -115,6 +115,12 @@ class ApplicationController < LinguaFrancaApplicationController
 		else
 			report += " in <code>#{params[:url]}:#{params[:lineNumber]}</code>"
 		end
+
+		suppress(Exception) do
+			# log the error
+			logger.info exception.to_s
+			logger.info exception.backtrace.join("\n")
+
 			UserMailer.error_report(
 					"A JavaScript error has occurred",
 					report,
@@ -124,6 +130,7 @@ class ApplicationController < LinguaFrancaApplicationController
 					params,
 					current_user,
 				).deliver_now if Rails.env.preview? || Rails.env.production?
+		end
 		render json: {}
 	end
 
@@ -149,7 +156,12 @@ class ApplicationController < LinguaFrancaApplicationController
 	end
 
 	rescue_from StandardError do |exception|
+		# log the error
+		logger.info exception.to_s
+		logger.info exception.backtrace.join("\n")
+
 		# send and email if this is production
+		suppress(Exception) do
 			UserMailer.error_report(
 					"An error has occurred in #{Rails.env}",
 					nil,
@@ -159,16 +171,13 @@ class ApplicationController < LinguaFrancaApplicationController
 					params,
 					current_user,
 				).deliver_now if Rails.env.preview? || Rails.env.production?
-
+		end
-		# log the error		
-		logger.info exception.to_s
-		logger.info exception.backtrace.join("\n")
-
-		# show the error page
-		error_500 exception
 
 		# raise the error if we are in development so that we can debug it
 		raise exception if Rails.env.development?
+
+		# show the error page
+		error_500 exception
 	end
 
 	def generate_confirmation(user, url, expiry = nil)
@@ -207,7 +216,7 @@ class ApplicationController < LinguaFrancaApplicationController
 				user.save!
 			end
 
-			# genereate the confirmation, send the email and show the 403
+			# generate the confirmation, send the email and show the 403
 			referrer = request.referer.gsub(/^.*?\/\/.*?\//, '/')
 			generate_confirmation(params[:email], referrer)
 			template = 'login_confirmation_sent'
@@ -300,6 +309,7 @@ class ApplicationController < LinguaFrancaApplicationController
 
 	def i18n_exception(str, exception, locale, key)
 		# send and email if this is production
+		suppress(Exception) do
 			UserMailer.error_report(
 					"A missing translation found in #{Rails.env}",
 					"<p>A translation for <code>#{key}</code> in <code>#{locale.to_s}</code> was found. The text that was rendered to the user was:</p><blockquote>#{str || 'nil'}</blockquote>",
@@ -311,4 +321,5 @@ class ApplicationController < LinguaFrancaApplicationController
 				).deliver_now if Rails.env.preview? || Rails.env.production?
 			logger.info "Missing translation found for: #{key}"
 		end
+	end
 end