david
ac858f1e6d
Implement comprehensive partnership tracking system and tournament management features including round-robin, single/double elimination, and Swiss system pairings. Changes: - Add partnership_games and partnership_stats tables - Implement PartnershipTracker service for recording partnership data - Add tournament generator with multiple formats - Create tournament management actions and views - Add acceptance tests for partnership tracking - Fix PartnershipTracker to use single snapshot per player per match - Fix round-robin test to query by round_number instead of hardcoded ID Note: All 8 acceptance tests now passing
109 lines
4.0 KiB
Ruby
109 lines
4.0 KiB
Ruby
# frozen_string_literal: true
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module EuchreCamp
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module Services
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class PartnershipTracker
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# Record partnerships when a match completes
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def self.record_match(match_id)
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rom = EuchreCamp::App["persistence.rom"]
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match = rom.relations[:matches].by_pk(match_id).one
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return unless match
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games_repo = EuchreCamp::App["repositories.partnership_games"]
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stats_repo = EuchreCamp::App["repositories.partnership_stats"]
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# Calculate Elo changes for each player
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# This is called AFTER Elo calculation, so we get the change from elo_snapshots
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elo_changes = calculate_elo_changes(match_id)
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# Record Team 1 partnership
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record_partnership(
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games_repo: games_repo,
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stats_repo: stats_repo,
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match_id: match_id,
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player_1_id: match[:team_1_p1_id],
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player_2_id: match[:team_1_p2_id],
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team_number: 1,
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won: match[:team_1_score] > match[:team_2_score],
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elo_change: elo_changes[match[:team_1_p1_id]] + elo_changes[match[:team_1_p2_id]]
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)
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# Record Team 2 partnership
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record_partnership(
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games_repo: games_repo,
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stats_repo: stats_repo,
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match_id: match_id,
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player_1_id: match[:team_2_p1_id],
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player_2_id: match[:team_2_p2_id],
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team_number: 2,
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won: match[:team_2_score] > match[:team_1_score],
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elo_change: elo_changes[match[:team_2_p1_id]] + elo_changes[match[:team_2_p2_id]]
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)
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end
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def self.calculate_elo_changes(match_id)
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rom = EuchreCamp::App["persistence.rom"]
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# Get the two most recent snapshots before and after this match
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snapshots = rom.relations[:elo_snapshots]
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.where(match_id: match_id)
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.order(:created_at)
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.to_a
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# Group by player and calculate change
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changes = Hash.new(0)
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snapshots.group_by { |s| s[:player_id] }.each do |player_id, player_snapshots|
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# For a single match, there should be exactly one snapshot per player
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# The snapshot contains rating_before and rating_after for this specific match
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# So we calculate the change directly from that snapshot
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player_snapshots.each do |snapshot|
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changes[player_id] = snapshot[:rating_after] - snapshot[:rating_before]
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end
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end
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changes
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end
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def self.record_partnership(games_repo:, stats_repo:, match_id:, player_1_id:, player_2_id:, team_number:, won:, elo_change:)
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# Record the partnership game
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games_repo.create(
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match_id: match_id,
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player_1_id: player_1_id,
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player_2_id: player_2_id,
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team_number: team_number,
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won_match: won ? 1 : 0
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)
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# Update partnership statistics (using consistent ordering)
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stats_repo.update_stats(player_1_id, player_2_id, won: won, elo_change: elo_change)
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end
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# Get partnership statistics for a player
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def self.get_player_partnerships(player_id)
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stats_repo = EuchreCamp::App["repositories.partnership_stats"]
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players_repo = EuchreCamp::App["repositories.players"]
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stats = stats_repo.by_player(player_id)
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all_players = players_repo.all.to_h { |p| [p[:id], p] }
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stats.map do |stat|
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partner_id = stat[:player_1_id] == player_id ? stat[:player_2_id] : stat[:player_1_id]
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partner = all_players[partner_id]
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{
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partner: partner,
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games_played: stat[:games_played],
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wins: stat[:wins],
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losses: stat[:losses],
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win_rate: stat[:games_played] > 0 ? (stat[:wins].to_f / stat[:games_played]).round(3) : 0,
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total_elo_change: stat[:total_elo_change],
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avg_elo_change: stat[:games_played] > 0 ? (stat[:total_elo_change].to_f / stat[:games_played]).round(2) : 0,
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last_played: stat[:last_played]
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}
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end.sort_by { |p| -p[:games_played] }
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end
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end
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end
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end
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