implement persistence

Gemfile

@@ -13,6 +13,10 @@ gem "dry-types", "~> 1.0", ">= 1.6.1"
 gem "puma"
 gem "rake"
 
+gem "rom", "~> 5.3"
+gem "rom-sql", "~> 3.6"
+gem "sqlite3"
+
 group :development do
   gem "hanami-webconsole", "~> 2.1"
   gem "guard-puma"

config/providers/persistence.rb

@@ -0,0 +1,19 @@
+Hanami.app.register_provider :persistence, namespace: true do
+  prepare do
+    require 'rom'
+
+    config = ROM::Configuration.new(:sql, target["settings"].database_url)
+
+    register "config", config
+    register "db", config.gateways[:default].connection
+  end
+
+  start do
+    config = target["persistence.config"]
+
+    config.auto_registration(target.root.join('lib/euchre_camp/persistence'), 
+    namespace: "EuchreCamp::Persistence")
+
+    register "rom", ROM.container(config)
+  end
+end

config/settings.rb

@@ -5,5 +5,6 @@ module EuchreCamp
     # Define your app settings here, for example:
     #
     # setting :my_flag, default: false, constructor: Types::Params::Bool
+    setting :database_url, constructor: Types::String
   end
 end