Add better support for postgres

.github/workflows/test.yml

@@ -3,6 +3,7 @@ on: [push]
 
 env:
   RAILS_ENV: test
+  TARGET_DB: sqlite
   PGHOST: localhost
   PGUSER: postgres
   MOIRAI_GITHUB_REPO_NAME: ${{ secrets.MOIRAI_GITHUB_REPO_NAME }}

Gemfile

@@ -12,6 +12,7 @@ gem "stimulus-rails"
 group :development, :test do
   gem "puma"
   gem "sqlite3"
+  gem "pg"
   gem "rake"
   gem "dotenv"
   gem "minitest"

lib/moirai/engine.rb

@@ -10,7 +10,13 @@ class Engine < ::Rails::Engine
 
     config.after_initialize do
       I18n.original_backend = I18n.backend
-      if ActiveRecord::Base.connection.data_source_exists?("moirai_translations") || ENV["RAILS_ENV"] == "test"
+      table_created =
+        begin
+          ActiveRecord::Base.connection.table_exists?("moirai_translations")
+        rescue ActiveRecord::NoDatabaseError
+          false
+        end
+      if table_created
         I18n.backend = I18n::Backend::Chain.new(I18n::Backend::Moirai.new, I18n.backend)
       else
         Rails.logger.warn("moirai disabled: tables have not been generated yet.")

test/dummy/config/database.yml

@@ -1,25 +1,25 @@
-# SQLite. Versions 3.8.0 and up are supported.
-#   gem install sqlite3
-#
-#   Ensure the SQLite 3 gem is defined in your Gemfile
-#   gem "sqlite3"
-#
+<% def database_name_from(name); (ENV["TARGET_DB"] == 'sqlite') ? "db/#{name}.sqlite3" : name; end %>
+
+<% if ENV["TARGET_DB"] == "sqlite" %>
 default: &default
   adapter: sqlite3
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 50 } %>
   timeout: 5000
+<% else %>
+default: &default
+  adapter: postgresql
+  encoding: unicode
+  pool: 5
+<% end %>
 
 development:
   <<: *default
-  database: db/development.sqlite3
+  database: <%= database_name_from("development") %>
 
-# Warning: The database defined as "test" will be erased and
-# re-generated from your development database when you run "rake".
-# Do not set this db to the same as development or production.
 test:
   <<: *default
-  database: db/test.sqlite3
+  database: <%= database_name_from("test") %>
 
 production:
   <<: *default
-  database: db/production.sqlite3
+  database: <%= database_name_from("production") %>