Add Solid Cable adapter for ActionCable

.rubocop.yml

@@ -23,7 +23,7 @@ AllCops:
   NewCops: enable
   Exclude:
     - 'bin/*'
-    - 'db/schema.rb'
+    - 'db/*schema.rb'
     - 'vendor/**/*'
     # Ignore local files for faster processing
     - 'tmp/**/*'

Gemfile

@@ -41,6 +41,7 @@ gem 'sassc-rails'
 gem 'shakapacker', '8.0.2'
 gem 'simple_form'
 gem 'slim-rails'
+gem 'solid_cable'
 gem 'solid_queue'
 gem 'sprockets-rails'
 gem 'terser', require: false

Gemfile.lock

@@ -526,6 +526,8 @@ GEM
       rexml (~> 3.2)
       rubocop (>= 1.0, < 2.0)
       slim (>= 3.0, < 6.0)
+    solid_cable (2.0.2)
+      rails (>= 7.2)
     solid_queue (0.7.1)
       activejob (>= 7.1)
       activerecord (>= 7.1)
@@ -666,6 +668,7 @@ DEPENDENCIES
   simplecov
   slim-rails
   slim_lint
+  solid_cable
   solid_queue
   sprockets-rails
   stackprof

config/cable.yml

@@ -1,11 +1,24 @@
+default: &default
+  adapter: solid_cable # OR postgresql OR redis
+
+  ### Config options for `solid_cable`
+  connects_to:
+    database:
+      writing: cable
+  polling_interval: 0.1.seconds
+  message_retention: 1.day
+  autotrim: true
+  silence_polling: true
+
+  ### Config options for `redis`
+  # url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  # channel_prefix: codeharbor_production
+
 development:
-  adapter: postgresql
+  <<: *default
 
 test:
   adapter: test
 
 production:
-  adapter: postgresql # redis
-  # all other options below are only used for redis
-  # url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
-  # channel_prefix: codeharbor_production
+  <<: *default

config/database.yml.example

@@ -29,8 +29,13 @@ default: &default
   <% end %>
 
 development:
-  <<: *default
-  database: codeharbor_development
+  primary: &primary_development
+    <<: *default
+    database: codeharbor_development
+  cable:
+    <<: *primary_development
+    database: codeharbor_development_cable
+    migrations_paths: db/cable_migrate
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
@@ -56,5 +61,10 @@ test:
 # for a full overview on how database connection configuration can be specified.
 #
 production:
-  <<: *default
-  database: codeharbor_production
+  primary: &primary_production
+    <<: *default
+    database: codeharbor_production
+  cable:
+    <<: *primary_production
+    database: codeharbor_production_cable
+    migrations_paths: db/cable_migrate