Add Elo rating system with match entry and CSV upload

- Implement EloCalculator service for 2v2 Euchre matches
- Create background job processing with GoodJob
- Add single match entry form
- Add CSV upload for batch match entry
- Create player rankings view
- Add database schema for matches and elo snapshots

lib/euchre_camp/persistence/relations/elo_snapshots.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+module EuchreCamp
+  module Persistence
+    module Relations
+      class EloSnapshots < ROM::Relation[:sql]
+        schema(:elo_snapshots, infer: true) do
+          attribute :id, ROM::Types::Integer, primary_key: true
+          attribute :player_id, ROM::Types::Integer
+          attribute :match_id, ROM::Types::Integer
+          attribute :rating_before, ROM::Types::Integer
+          attribute :rating_after, ROM::Types::Integer
+          attribute :rating_change, ROM::Types::Integer
+          attribute :created_at, ROM::Types::DateTime
+        end
+      end
+    end
+  end
+end

lib/euchre_camp/persistence/relations/good_jobs.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module EuchreCamp
+  module Persistence
+    module Relations
+      class GoodJobs < ROM::Relation[:sql]
+        schema(:good_jobs, infer: true) do
+          attribute :id, ROM::Types::Integer
+          attribute :queue_name, ROM::Types::String
+          attribute :priority, ROM::Types::Integer
+          attribute :serialized_params, ROM::Types::String
+          attribute :scheduled_at, ROM::Types::DateTime.optional
+          attribute :performed_at, ROM::Types::DateTime.optional
+          attribute :finished_at, ROM::Types::DateTime.optional
+          attribute :error, ROM::Types::String.optional
+          attribute :created_at, ROM::Types::DateTime
+          attribute :updated_at, ROM::Types::DateTime
+          attribute :active_job_id, ROM::Types::String.optional
+          attribute :concurrency_key, ROM::Types::String.optional
+          attribute :sequence, ROM::Types::Integer.optional
+          attribute :executions_count, ROM::Types::Integer.optional
+          attribute :job_class, ROM::Types::String.optional
+          attribute :error_event, ROM::Types::Integer.optional
+          attribute :labels, ROM::Types::String.optional
+          attribute :locked_by_id, ROM::Types::String.optional
+          attribute :locked_at, ROM::Types::DateTime.optional
+        end
+      end
+    end
+  end
+end

lib/euchre_camp/persistence/relations/matches.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module EuchreCamp
+  module Persistence
+    module Relations
+      class Matches < ROM::Relation[:sql]
+        schema(:matches, infer: true) do
+          attribute :id, ROM::Types::Integer, primary_key: true
+          attribute :event_id, ROM::Types::Integer.optional
+          attribute :played_at, ROM::Types::DateTime.optional
+          attribute :team_1_p1_id, ROM::Types::Integer
+          attribute :team_1_p2_id, ROM::Types::Integer
+          attribute :team_2_p1_id, ROM::Types::Integer
+          attribute :team_2_p2_id, ROM::Types::Integer
+          attribute :team_1_score, ROM::Types::Integer
+          attribute :team_2_score, ROM::Types::Integer
+          attribute :status, ROM::Types::String.default('completed')
+
+          associations do
+            belongs_to :team_1_player, relation: :players, foreign_key: :team_1_p1_id
+            belongs_to :team_2_player, relation: :players, foreign_key: :team_1_p2_id
+            belongs_to :team_3_player, relation: :players, foreign_key: :team_2_p1_id
+            belongs_to :team_4_player, relation: :players, foreign_key: :team_2_p2_id
+          end
+        end
+      end
+    end
+  end
+end

lib/euchre_camp/persistence/relations/players.rb

@@ -1,8 +1,15 @@
+# frozen_string_literal: true
+
 module EuchreCamp
   module Persistence
     module Relations
       class Players < ROM::Relation[:sql]
-        schema(:players, infer: true)
+        schema(:players, infer: true) do
+          attribute :id, ROM::Types::Integer, primary_key: true
+          attribute :name, ROM::Types::String
+          attribute :rating, ROM::Types::Integer
+          attribute :current_elo, ROM::Types::Integer.default(1000)
+        end
       end
     end
   end