Thread.current => RequestStore.current

Gemfile

@@ -26,6 +26,7 @@ gem "webpack-rails"
 gem "rollbar"
 gem "skylight", "1.4.0"
 gem "bunny"
+gem "request_store"
 
 group :development, :test do
   gem "codecov", require: false

Gemfile.lock

@@ -204,6 +204,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rake (12.1.0)
+    request_store (1.3.2)
     responders (2.4.0)
       actionpack (>= 4.2.0, < 5.3)
       railties (>= 4.2.0, < 5.3)
@@ -291,6 +292,7 @@ DEPENDENCIES
   rails
   rails-erd
   rails_12factor
+  request_store
   rollbar
   rspec (~> 3.5.0)
   rspec-rails (~> 3.5.0)

app/models/application_record.rb

@@ -41,9 +41,12 @@ class ApplicationRecord < ActiveRecord::Base
     }.to_json
   end
 
+  def klass_name_as_string
+    (SPECIAL_NAMES[self.class] || self.class.name)
+  end
+
   def chan_name
-    klass = self.class
-    "sync.#{(SPECIAL_NAMES[klass] || klass.name)}.#{self.id}"
+    "sync.#{klass_name_as_string}.#{self.id}"
   end
 
   def broadcast!

app/models/device.rb

@@ -42,15 +42,15 @@ class Device < ApplicationRecord
   end
 
   def self.current
-    Thread.current[:device]
+    RequestStore.current[:device]
   end
 
   def self.current=(dev)
-    Thread.current[:device] = dev
+    RequestStore.current[:device] = dev
   end
 
   def self.current_jwt
-    Thread.current[:jwt]
+    RequestStore.current[:jwt]
   end
 
   def self.mine # For development mode debugging.

app/mutations/auth/from_jwt.rb

@@ -7,7 +7,7 @@ module Auth
     def execute
       token  = SessionToken.decode!(just_the_token)
       claims = token.unencoded
-      Thread.current[:jwt] = claims.deep_symbolize_keys
+      RequestStore.current[:jwt] = claims.deep_symbolize_keys
       User
         .find_by_email_or_id(claims["sub"])
     rescue JWT::DecodeError, ActiveRecord::RecordNotFound, User::BadSub