Redis check for self hosted apps (#2353)

* Redis check for self hosted apps

* Run linter with autocorrect

* Add Redis to CI

app/controllers/concerns/self_hostable.rb

@@ -3,6 +3,8 @@ module SelfHostable
 
   included do
     helper_method :self_hosted?, :self_hosted_first_login?
+
+    prepend_before_action :verify_self_host_config
   end
 
   private
@@ -13,4 +15,29 @@ module SelfHostable
     def self_hosted_first_login?
       self_hosted? && User.count.zero?
     end
+
+    def verify_self_host_config
+      return unless self_hosted?
+
+      # Special handling for Redis configuration error page
+      if controller_name == "pages" && action_name == "redis_configuration_error"
+        # If Redis is now working, redirect to home
+        if redis_connected?
+          redirect_to root_path, notice: "Redis is now configured properly! You can now setup your Maybe application."
+        end
+
+        return
+      end
+
+      unless redis_connected?
+        redirect_to redis_configuration_error_path
+      end
+    end
+
+    def redis_connected?
+      Redis.new.ping
+      true
+    rescue Redis::CannotConnectError
+      false
+    end
 end

app/controllers/pages_controller.rb

@@ -1,7 +1,8 @@
 class PagesController < ApplicationController
-  skip_before_action :authenticate_user!, only: %i[early_access]
   include Periodable
 
+  skip_authentication only: :redis_configuration_error
+
   def dashboard
     @balance_sheet = Current.family.balance_sheet
     @accounts = Current.family.accounts.active.with_attached_logo
@@ -47,12 +48,8 @@ class PagesController < ApplicationController
     render layout: "settings"
   end
 
-  def early_access
-    redirect_to root_path if self_hosted?
-
-    @invite_codes_count = InviteCode.count
-    @invite_code = InviteCode.order("RANDOM()").limit(1).first
-    render layout: false
+  def redis_configuration_error
+    render layout: "blank"
   end
 
   private