Class: SportDb::Standings

Inherits:
Object
  • Object
show all
Defined in:
lib/sportdb/standings.rb

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Standings

Returns a new instance of Standings.



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# File 'lib/sportdb/standings.rb', line 39

def initialize( opts={} )
  ## fix:
  # passing in e.g. pts for win (3? 2? etc.)
  # default to 3 for now

  ## lets you pass in 2 as an alterantive, for example
  @pts_won = opts[:pts_won] || 3

  @lines = {}   # StandingsLines cached by team name/key
end

Instance Method Details

#to_a ⇒ Object 



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# File 'lib/sportdb/standings.rb', line 68

def to_a
  ## return lines; sort and add rank
  ## note: will update rank!!!! (side effect)

  #############################
  ### calc ranking position (rank)
  ## fix/allow same rank e.g. all 1 or more than one team 3rd etc.

  # build array from hash
  ary = []
  @lines.each do |k,v|
    ary << v
  end

  ary.sort! do |l,r|
    ## note: reverse order (thus, change l,r to r,l)
    value = r.pts <=> l.pts
    if value == 0 # same pts try goal diff
      value = (r.goals_for-r.goals_against) <=> (l.goals_for-l.goals_against)
      if value == 0 # same goal diff too; try assume more goals better for now
        value = r.goals_for <=> l.goals_for
      end
    end
    value
  end

  ## update rank using ordered array
  ary.each_with_index do |line,i|
    line.rank = i+1 ## add ranking (e.g. 1,2,3 etc.) - note: i starts w/ zero (0)
  end
  
  ary
end

#update(match_or_matches) ⇒ Object 



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# File 'lib/sportdb/standings.rb', line 51

def update( match_or_matches )
  puts " [debug] update match_or_matches.class.name: #{match_or_matches.class.name}"

  ## convenience - update all matches at once
  if match_or_matches.is_a?( Array ) ||
     match_or_matches.is_a?( ActiveRecord::Associations::CollectionProxy )
    matches = match_or_matches
    matches.each_with_index do |match,i| # note: index(i) starts w/ zero (0)
      update_match( match )
    end
  else
    match = match_or_matches
    update_match( match )
  end
  self  # note: return self to allow chaining
end