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Add special case for po2 teams in tournament and half advancing

This commit is contained in:
Daniel Schädler 2024-04-07 23:10:36 +02:00
parent c35905b52a
commit e70d16b688
1 changed files with 24 additions and 10 deletions
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34
app/services/group_stage_service.rb
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@ -103,18 +103,32 @@ class GroupStageService
# @return [Array] the teams advancing from that group stage
def get_advancing_teams(group_stage)
advancing_teams = []
group_winners = group_stage.groups.map(&method(:teams_sorted_by_group_scores))
teams_per_group_ranked = group_stage.groups.map(&method(:teams_sorted_by_group_scores))
# teams_per_group_ranked is a 2D array
# [
# [ group_a_first, group_a_second, ... ],
# [ group_b_first, group_b_second, ... ],
# ...
# ]
advancing_teams_amount = group_stage.tournament.instant_finalists_amount +
group_stage.tournament.intermediate_round_participants_amount
advancing_teams_amount.times do |i|
# group_winners is a 2D array
# [
# [ group_a_first, group_a_second, ... ],
# [ group_b_first, group_b_second, ... ],
# ...
# ]
# we want to take the first team of the first group, then the first team of the second group, ...
advancing_teams << group_winners[i % group_stage.groups.size].shift
tournament_teams_amount = group_stage.tournament.teams.size
# special case for po2 teams in tournament and half of them advancing:
# we want to match first of first group with second of second group and so on
if Utils.po2?(tournament_teams_amount) and advancing_teams_amount * 2 == tournament_teams_amount
teams_per_group_ranked.each_with_index do |_group_teams, i|
first = teams_per_group_ranked[i % teams_per_group_ranked.size][0]
second = teams_per_group_ranked[(i + 1) % teams_per_group_ranked.size][1]
advancing_teams << first
advancing_teams << second
end
# default case
else
advancing_teams_amount.times do |i|
# we want to take the first team of the first group, then the first team of the second group, ...
advancing_teams << teams_per_group_ranked[i % group_stage.groups.size].shift
end
end
advancing_teams
end