User definable list of ignored errors

README.md

@@ -165,6 +165,7 @@ You can configure Solid Errors via the Rails configuration object, under the `so
 * `email_subject_prefix` - Prefix added to the subject line for email notifications. See [Email notifications](#email-notifications) for more information.
 * `base_controller_class` - Specify a different controller as the base class for the Solid Errors controller. See [Authentication](#authentication) for more information.
 * `destroy_after` - If set, Solid Errors will periodically destroy resolved records that are older than the value specified. See [Automatically destroying old records](#automatically-destroying-old-records) for more information.
+* `ignored_errors` - Error classes, or their names, to never record, in addition to the built-in list in `SolidErrors::Subscriber::IGNORED_ERRORS`. For example, `config.solid_errors.ignored_errors = ["ActiveStorage::FileNotFoundError"]`.
 
 ### Database Configuration
 
@@ -388,4 +389,3 @@ The gem is available as open source under the terms of the [MIT License](https:/
 ## Code of Conduct
 
 Everyone interacting in the SolidErrors project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/fractaledmind/solid_errors/blob/main/CODE_OF_CONDUCT.md).
-

lib/solid_errors.rb

@@ -16,6 +16,7 @@ module SolidErrors
   mattr_accessor :email_to
   mattr_accessor :email_subject_prefix
   mattr_accessor :destroy_after
+  mattr_accessor :ignored_errors, default: []
 
   class << self
     # use method instead of attr_accessor to ensure

lib/solid_errors/subscriber.rb

@@ -49,7 +49,7 @@ def s(data)
     end
 
     def ignore_by_class?(error_class_name)
-      IGNORED_ERRORS.any? do |ignored_class|
+      [*IGNORED_ERRORS, *SolidErrors.ignored_errors].any? do |ignored_class|
         ignored_class_name = ignored_class.respond_to?(:name) ? ignored_class.name : ignored_class
 
         ignored_class_name == error_class_name

test/solid_errors/subscriber_test.rb

@@ -0,0 +1,34 @@
+require "test_helper"
+
+class SolidErrors::SubscriberTest < ActiveSupport::TestCase
+  CustomError = Class.new(StandardError)
+
+  teardown do
+    SolidErrors.ignored_errors = []
+  end
+
+  test "errors named in ignored_errors are not recorded while others are" do
+    SolidErrors.ignored_errors = [CustomError.name]
+
+    Rails.error.report(CustomError.new("ignored"))
+    Rails.error.report(StandardError.new("recorded"))
+
+    assert_equal ["StandardError"], SolidErrors::Error.pluck(:exception_class)
+  end
+
+  test "ignored_errors accepts classes as well as names" do
+    SolidErrors.ignored_errors = [CustomError]
+
+    Rails.error.report(CustomError.new("ignored"))
+
+    assert_empty SolidErrors::Error.all
+  end
+
+  test "the built-in ignored errors still apply alongside ignored_errors" do
+    SolidErrors.ignored_errors = [CustomError.name]
+
+    Rails.error.report(ActiveRecord::RecordNotFound.new("ignored"))
+
+    assert_empty SolidErrors::Error.all
+  end
+end