From 10d11e8127bc7f33435befecd5911a58208132b6 Mon Sep 17 00:00:00 2001
From: Svyatoslav Kryukov <me@skryukov.dev>
Date: Mon, 21 Oct 2024 21:49:12 +0300
Subject: [PATCH] Copy ActionFilter to support Rails < 7.1

---
 lib/inertia_rails/action_filter.rb | 27 +++++++++++++++++++++++++++
 lib/inertia_rails/controller.rb    |  5 +++--
 2 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 lib/inertia_rails/action_filter.rb

diff --git a/lib/inertia_rails/action_filter.rb b/lib/inertia_rails/action_filter.rb
new file mode 100644
index 0000000..c53969d
--- /dev/null
+++ b/lib/inertia_rails/action_filter.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+#
+# Based on AbstractController::Callbacks::ActionFilter
+# https://github.com/rails/rails/blob/v7.2.0/actionpack/lib/abstract_controller/callbacks.rb#L39
+module InertiaRails
+  class ActionFilter
+    def initialize(conditional_key, actions)
+      @conditional_key = conditional_key
+      @actions = Array(actions).map(&:to_s).to_set
+    end
+
+    def match?(controller)
+      missing_action = @actions.find { |action| !controller.available_action?(action) }
+      if missing_action
+        message = <<~MSG
+          The #{missing_action} action could not be found for the :inertia_share
+          callback on #{controller.class.name}, but it is listed in the controller's
+          #{@conditional_key.inspect} option.
+        MSG
+
+        raise ActionNotFound.new(message, controller, missing_action)
+      end
+
+      @actions.include?(controller.action_name)
+    end
+  end
+end
diff --git a/lib/inertia_rails/controller.rb b/lib/inertia_rails/controller.rb
index c10aa01..27997ab 100644
--- a/lib/inertia_rails/controller.rb
+++ b/lib/inertia_rails/controller.rb
@@ -1,5 +1,6 @@
 require_relative "inertia_rails"
 require_relative "helper"
+require_relative "action_filter"
 
 module InertiaRails
   module Controller
@@ -94,7 +95,7 @@ def extract_inertia_share_options(props)
 
       def extract_inertia_share_option(options, from, to)
         if (from_value = options.delete(from))
-          filter = AbstractController::Callbacks::ActionFilter.new([:inertia_share], from, from_value)
+          filter = InertiaRails::ActionFilter.new(from, from_value)
           options[to] = Array(options[to]).unshift(filter)
         end
       end
@@ -105,7 +106,7 @@ def filter_to_proc(filter)
           -> { send(filter) }
         when Proc
           filter
-        when AbstractController::Callbacks::ActionFilter
+        when InertiaRails::ActionFilter
           -> { filter.match?(self) }
         else
           raise ArgumentError, "You must pass a symbol or a proc as a filter."