Class: SportDb::Leagueset

Inherits:
Object
  • Object
show all
Defined in:
lib/leagues/leagueset.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(recs, autofill: nil) ⇒ Leagueset

Returns a new instance of Leagueset.



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# File 'lib/leagues/leagueset.rb', line 112

def initialize( recs, autofill: nil )
    ### @org_recs = recs    ## keep a record of orginal (MUST clone) - why? why not?


    ##### check for empty seasons

    recs      = _autofill( recs, autofill: autofill )
    @recs     = _norm( recs )
end

Class Method Details

.autofiller(league_query, source_path: ['.']) ⇒ Object

autofiller helper

- simple heuristic to find current (latest) season

 maybe move autofiller to fbup or such - why? why not?



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# File 'lib/leagues/leagueset.rb', line 27

def self.autofiller( league_query, source_path: ['.'] )
      [ Season('2024/25'), 
        Season('2025') 
      ].each do |season|
           league_info = LeagueCodes.find_by( code: league_query, season: season )
           league_code = league_info['code']
           
           filename = "#{season.to_path}/#{league_code}.csv"
           path = find_file( filename, path: source_path )
           if path
              return season
           end
      end
      nil  ## return nil if not found

end

.parse(txt, autofill: nil) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 73

def self.parse( txt, autofill: nil )
    ### split args in datasets with leagues and seasons

    datasets = []
    recs = parse_csv( txt )
    recs.each do |rec|
        key = rec['league'].downcase
        datasets << [key, []]

        seasons_str = rec['seasons']
        seasons = seasons_str.split( /[ ]+/ )

        seasons.each do |season_str|
            ## note - add support for ranges e.g. 2001/02..2010/11

            if season_str.index( '..' )
                    fst,snd = season_str.split( '..' )
                    # pp [fst,snd]

                    fst = Season.parse( fst )
                    snd = Season.parse( snd )
                    if fst < snd && fst.year? == snd.year?
                        datasets[-1][1] += (fst..snd).to_a
                    else
                       raise ArgumentError, "parse error - invalid season range >#{str}<, 1) two seasons required, 2) first < second, 3) same (year/academic) type"
                    end
            else
               season = Season.parse( season_str )  ## check season

               datasets[-1][1] << season
            end
        end
    end

    new(datasets, autofill: autofill)
end

.parse_args(args, autofill: nil) ⇒ Object

note - requires autofill (for seasons)

if league querykey without season/empty season



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# File 'lib/leagues/leagueset.rb', line 49

def self.parse_args( args, autofill: nil )
    ### split args in datasets with leagues and seasons

    ##   e.g.  at1 eng1    or

    ##         at1 2024/25 br1 2025    etc.

    datasets = []
    args.each do |arg|
       if arg =~ %r{^[0-9/-]+$}   ##  season

           if datasets.empty?
             puts "!! ERROR [leagueset.parse_args] - league required before season arg; sorry"
             exit 1
           end

           season = Season.parse( arg )  ## check season

           datasets[-1][1] << season
       else ## assume league key

           key = arg.downcase
           datasets << [key, []]
       end
    end

    new(datasets, autofill: autofill)
end

.read(path, autofill: nil) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 106

def self.read( path, autofill: nil ) 
   parse( read_text( path ), autofill: autofill )
end

Instance Method Details

#_autofill(datasets, autofill:) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 146

def _autofill( datasets, autofill: )
  ##### check for empty seasons

  datasets.each do |league_query, seasons|
    ### try autofill

    if seasons.empty? && autofill.is_a?(Proc)
         season = autofill.call( league_query )
         if season 
              ## note - all season as string for autfiller too

            seasons << Season(season)   
         end 
    end     
        
    if seasons.empty?
      puts "!! ERROR [leagueset] - empty seasons; autofill found no latest season for #{league_query}; sorry"
      exit 1
    end
  end
end

#_norm(recs) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 121

def _norm( recs )
  datasets = {}
 
  recs.each do |league_query, seasons| 
    unless LeagueCodes.valid?( league_query ) 
      puts "!! ERROR - (leagueset) no league (config) found for code >#{league_query}<; sorry"
      exit 1
    end

    seasons.each do |season|
         ## check league code config too - why? why not?

         league_info = LeagueCodes.find_by( code: league_query, season: season )
         if league_info.nil?
           puts "!! ERROR - (leagueset) no league config found for code #{league_query} AND season #{season}; sorry"
           exit 1
         end
 
         rec = datasets[ league_info['code'] ] ||= []
         rec << season
    end
  end # each record


  datasets.to_a  ## convert hash to array

end

#each(&blk) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 170

def each( &blk )
    @recs.each do |league_key, seasons|
       blk.call( league_key, seasons )
    end
end

#filter(queries = []) ⇒ Object

todo/check: find a better name for helper?

 find_all_datasets, filter_datatsets - add alias(es???
queries (lik ARGV) e.g. ['at'] or ['eng', 'de'] etc. list of strings

todo/fix - check if used anywhere???
          - check if works with new alt codes too (or needs update)???



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# File 'lib/leagues/leagueset.rb', line 228

def filter( queries=[] )
  ## find all matching leagues (that is, league keys)

  if queries.empty?  ## no filter - get all league keys

    self
  else
    recs = @recs.find_all do |league_key, seasons|
                               found = false
                              ## note: normalize league key 

                              ##        (remove dot and downcase)

                              norm_key = league_key.gsub( '.', '' )
                              queries.each do |query|
                                 q = query.gsub( '.', '' ).downcase
                                 if norm_key.start_with?( q )
                                   found = true
                                   break
                                 end
                              end
                              found
                           end
    ## return new typed leagueset

    self.class.new( recs )
  end
end

#pretty_print(printer) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 253

def pretty_print( printer )
    printer.text( "<Leagueset: " )
    printer.text( @recs )
    printer.text( ">")
end

#size ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 168

def size() @recs.size; end

#validate!(source_path: ['.']) ⇒ Object 



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# File 'lib/leagues/leagueset.rb', line 191

def validate!( source_path: ['.'] )
    each do |league_key, seasons|
  
      unless LeagueCodes.valid?( league_key ) 
        puts "!! ERROR - (leagueset) no league (config) found for code >#{league_key}<; sorry"
        exit 1
      end
  
      ## check source path too upfront - why? why not?

      seasons.each do |season|
           ## check league code config too - why? why not?

           league_info = LeagueCodes.find_by( code: league_key, season: season )
           if league_info.nil?
             puts "!! ERROR - (leagueset) no league config found for code #{league_key}  AND season #{season}; sorry"
             exit 1
           end
   
           filename = "#{season.to_path}/#{league_info['code']}.csv"
           path = find_file( filename, path: source_path )
  
           if path.nil?
             puts "!! ERROR - (leagueset) no source found for #{filename}; sorry"
             exit 1
           end
      end
   end # each record

end