Implement inertia_ui_modal_renderer

lib/inertia_rails_contrib/inertia_ui_modal.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require "inertia_rails/renderer"
+
+require_relative "inertia_ui_modal_renderer"
+
+InertiaRails::Renderer.prepend(Module.new do
+  def page
+    super.tap do |modal|
+      if @request.env[:_inertiaui_modal]
+        modal[:props][:_inertiaui_modal] = @request.env[:_inertiaui_modal]
+        modal[:url] = modal[:props][:_inertiaui_modal][:url]
+      end
+    end
+  end
+end)
+
+ActionController::Renderers.add :inertia_modal do |component, options|
+  InertiaRailsContrib::InertiaUIModalRenderer.new(
+    component,
+    self,
+    request,
+    response,
+    method(:render),
+    **options
+  ).render
+end

lib/inertia_rails_contrib/inertia_ui_modal_renderer.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module InertiaRailsContrib
+  class InertiaUIModalRenderer
+    def initialize(component, controller, request, response, render_method, base_url: nil, **options)
+      @request = request
+      @response = response
+      @base_url = base_url
+      @inertia_renderer = InertiaRails::Renderer.new(component, controller, request, response, render_method, **options)
+    end
+
+    def render
+      if @request.headers["X-InertiaUI-Modal-Use-Router"] == "0" || base_url.blank?
+        return @inertia_renderer.render
+      end
+
+      @request.env[:_inertiaui_modal] = @inertia_renderer.page.merge(baseUrl: base_url)
+
+      render_base_url
+    end
+
+    def base_url
+      @request.headers["X-InertiaUI-Modal-Base-Url"] || @base_url
+    end
+
+    def render_base_url
+      original_env = Rack::MockRequest.env_for(
+        base_url,
+        method: @request.method,
+        params: @request.params
+      )
+      @request.each_header do |k, v|
+        original_env[k] ||= v
+      end
+
+      original_request = ActionDispatch::Request.new(original_env)
+
+      path = ActionDispatch::Journey::Router::Utils.normalize_path(original_request.path_info)
+      Rails.application.routes.recognize_path_with_request(original_request, path, {})
+      controller = original_request.controller_class.new
+      controller.request = @request
+      controller.response = @response
+      controller.process(original_request.path_parameters[:action])
+    end
+  end
+end