Class: SportsManager::Constraints::MultiCategoryConstraint

Inherits:
CSP::Constraint
  • Object
show all
Defined in:
lib/sports_manager/constraints/multi_category_constraint.rb

Constant Summary collapse

MINUTE = 
60
IN_PAIRS = 
2

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(target_participant:, matches:, match_time:, break_time:) ⇒ MultiCategoryConstraint

Returns a new instance of MultiCategoryConstraint.



29
30
31
32
33
34
35
36
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 29

def initialize(target_participant:, matches:, match_time:, break_time:)
  super(matches)
  @target_participant = target_participant
  @matches = matches
  @match_time = match_time
  @break_time = break_time
  @minimum_match_gap = match_time + break_time
end

Instance Attribute Details

#break_time ⇒ Object (readonly)

Returns the value of attribute break_time.



6
7
8
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 6

def break_time
  @break_time
end

#match_time ⇒ Object (readonly)

Returns the value of attribute match_time.



6
7
8
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 6

def match_time
  @match_time
end

#matches ⇒ Object (readonly)

Returns the value of attribute matches.



6
7
8
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 6

def matches
  @matches
end

#minimum_match_gap ⇒ Object (readonly)

Returns the value of attribute minimum_match_gap.



6
7
8
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 6

def minimum_match_gap
  @minimum_match_gap
end

#target_participant ⇒ Object (readonly)

Returns the value of attribute target_participant.



6
7
8
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 6

def target_participant
  @target_participant
end

Class Method Details

.for_tournament(tournament:, csp:) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 12

def self.for_tournament(tournament:, csp:)
  tournament.multi_tournament_participants.each do |participant|
    matches = tournament.find_participant_matches(participant)

    matches.combination(IN_PAIRS) do |match1, match2|
      constraint = new(
        target_participant: participant,
        matches: [match1, match2],
        match_time: tournament.match_time,
        break_time: tournament.break_time
      )

      csp.add_constraint(constraint)
    end
  end
end

Instance Method Details

#satisfies?(assignment) ⇒ Boolean

TODO: See if needs review in case of solution of split timeslots under match_time

Returns:

  • (Boolean) 


39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/sports_manager/constraints/multi_category_constraint.rb', line 39

def satisfies?(assignment)
  return true unless variables.all? { |variable| assignment.key?(variable) }

  timeslots = assignment.slice(*variables).values.map(&:slot)

  timeslots.combination(2).all? do |timeslot1, timeslot2|
    diff_in_minutes = (timeslot1 - timeslot2).abs / MINUTE

    diff_in_minutes >= minimum_match_gap
  end
end