Class: SportDb::MatchParserSimpleV2

Inherits:
Object
  • Object
show all
Includes:
LogUtils::Logging
Defined in:
lib/sportdb/readers/match_parser.rb

Overview

simple match parser for club match schedules

Defined Under Namespace

Classes: Match, Round

Instance Method Summary collapse

Constructor Details

#initialize(lines, teams, start) ⇒ MatchParserSimpleV2

Returns a new instance of MatchParserSimpleV2.



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# File 'lib/sportdb/readers/match_parser.rb', line 8

def initialize( lines, teams, start )
   @lines        = lines     ## todo/check: change to text instead of array of lines - why? why not?
   @mapper_teams = TeamMapper.new( teams )
   @start        = start

   ## build lookup hash by (team) key
   @teams =  teams.reduce({}) { |h,team| h[team.key]=team; h }

   ## debug_dump_teams( teams )
   ## exit 1
end

Instance Method Details

#debug_dump_teams(teams) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 20

def debug_dump_teams( teams )
  puts "== #{teams.size} teams"
  teams.each do |team|
    print "#{team.key}, "
    print "#{team.title}, "
    print "#{team.synonyms.split('|').join(', ')}"
    puts
  end
end

#find_date!(line, start:) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 425

def find_date!( line, start: )
  ## NB: lets us pass in start_at/end_at date (for event)
  #   for auto-complete year

  # extract date from line
  # and return it
  # NB: side effect - removes date from line string
  DateFormats.find!( line, start: start )
end

#find_round_header_title!(line) ⇒ Object

method find_round_pos!



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# File 'lib/sportdb/readers/match_parser.rb', line 121

def find_round_header_title!( line )
  # assume everything left is the round title
  #  extract all other items first (round title2, round pos, group title n pos, etc.)

  ## todo/fix:
  ##  cleanup method
  ##   use  buf.index( '//' ) to split string (see found_round_def)
  ##     why? simpler why not?
  ##  - do we currently allow groups if title2 present? add example if it works?

  buf = line.dup
  logger.debug "  find_round_header_title! line-before: >>#{buf}<<"

  buf.gsub!( /\[[^\]]+\]/, '' )   # e.g. remove [ROUND.POS], [ROUND.TITLE2], [GROUP.TITLE+POS] etc.
  buf.strip!    # remove leading and trailing whitespace

  logger.debug "  find_round_title! line-after: >>#{buf}<<"

  ### bingo - assume what's left is the round title

  logger.debug "   title: >>#{buf}<<"
  line.sub!( buf, '[ROUND.TITLE]' )

  buf
end

#find_round_pos!(line) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 75

def find_round_pos!( line )
  # pass #1) extract optional round pos from line
  # e.g.  (1)   - must start line
  regex_pos = /^[ \t]*\((\d{1,3})\)[ \t]+/

  # pass #2) find free standing number  e.g. Matchday 3 or Round 5 or 3. Spieltag etc.
  # note: /\b(\d{1,3})\b/
  #   will match -12
  #  thus, use space required - will NOT match  -2 e.g. Group-2 Play-off
  #  note:  allow  1. Runde  n
  #                1^ Giornata
  regex_num = /(?:^|\s)(\d{1,3})(?:[.\^\s]|$)/

  if line =~ regex_pos
    logger.debug "   pos: >#{$1}<"

    line.sub!( regex_pos, '[ROUND.POS] ' )  ## NB: add back trailing space that got swallowed w/ regex -> [ \t]+
    return $1.to_i
  elsif line =~ regex_num
    ## assume number in title is pos (e.g. Jornada 3, 3 Runde etc.)
    ## NB: do NOT remove pos from string (will get removed by round title)

    num = $1.to_i  # note: clone capture; keep a copy (another regex follows; will redefine $1)

    #### fix:
    #  use/make keywords required
    #  e.g. Round of 16  -> should NOT match 16!
    #    Spiel um Platz 3  (or 5) etc -> should NOT match 3!
    #  Round 16 - ok
    #  thus, check for required keywords

    ## quick hack for round of 16
    # todo: mask match e.g. Round of xxx ... and try again - might include something
    #  reuse pattern for Group XX Replays for example
    if line =~ /^\s*Round of \d{1,3}\b/
       return nil
    end

    logger.debug "   pos: >#{num}<"
    return num
  else
    ## fix: add logger.warn no round pos found in line
    return nil
  end
end

#find_scores!(line, opts = {}) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 212

def find_scores!( line, opts={} )
  # note: always call after find_dates !!!
  #  scores match date-like patterns!!  e.g. 10-11  or 10:00 etc.
  #   -- note: score might have two digits too

  finder = ScoresFinder.new
  finder.find!( line, opts )
end

#is_round?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sportdb/readers/match_parser.rb', line 69

def is_round?( line )
  ## note: =~ return nil if not match found, and 0,1, etc for match
  (line =~ SportDb.lang.regex_round) != nil
end

#parse ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 46

def parse
  @last_date    = nil
  @last_round   = nil
  @rounds  = {}
  @matches = []


  @lines.each do |line|
    if is_round?( line )
      parse_round_header( line )
    elsif try_parse_game( line )
      # do nothing here
    elsif try_parse_date_header( line )
      # do nothing here
    else
      logger.info "skipping line (no match found): >#{line}<"
    end
  end # lines.each

  [@rounds.values, @matches]
end

#parse_date_header(line) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 436

def parse_date_header( line )
  # note: returns true if parsed, false if no match

  # line with NO teams  plus include date e.g.
  #   [Fri Jun/17]  or
  #   Jun/17  or
  #   Jun/17:   etc.

  @mapper_teams.map_teams!( line )
  team_keys = @mapper_teams.find_teams!( line )
  team1_key = team_keys[0]
  team2_key = team_keys[1]

  date = find_date!( line, start: @start )

  if date && team1_key.nil? && team2_key.nil?
    logger.debug( "date header line found: >#{line}<")
    logger.debug( "    date: #{date}")

    @last_date = date   # keep a reference for later use
    return true
  else
    return false
  end
end

#parse_game(line) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 228

def parse_game( line )
  logger.debug "parsing game (fixture) line: >#{line}<"

  @mapper_teams.map_teams!( line )   ### todo/fix: limit mapping to two(2) teams - why? why not?  might avoid matching @ Barcelona ??
  team_keys = @mapper_teams.find_teams!( line )
  team1_key = team_keys[0]
  team2_key = team_keys[1]

  ## note: if we do NOT find two teams; return false - no match found
  if team1_key.nil? || team2_key.nil?
    logger.debug "  no game match (two teams required) found for line: >#{line}<"
    return false
  end

  ## pos = find_game_pos!( line )

    date      = find_date!( line, start: @start )

  ###
  # check if date found?
  #   NB: ruby falsey is nil & false only (not 0 or empty array etc.)
  if date
    ### check: use date_v2 if present? why? why not?
    @last_date = date    # keep a reference for later use
  else
    date = @last_date    # no date found; (re)use last seen date
  end


  scores = find_scores!( line )

  logger.debug "  line: >#{line}<"


  ## todo/check: scores are integers or strings?
  @matches << Match.new( date,
                         @teams[ team1_key ],
                         @teams[ team2_key ],
                         scores[0],  ## score1i - half time (first (i) part)
                         scores[1],  ## score2i
                         scores[2],  ## score1  - full time
                         scores[3],  ## score2
                         @last_round )

  ### todo: cache team lookups in hash?

=begin
  team1 = Team.find_by_key!( team1_key )
  team2 = Team.find_by_key!( team2_key )

  @last_team1 = team1    # store for later use for goals etc.
  @last_team2 = team2


  if @round.nil?
    ## no round header found; calculate round from date

    ###
    ## todo/fix: add some unit tests for round look up
    #  fix: use date_v2 if present!! (old/original date; otherwise use date)

    #
    # fix: check - what to do with hours e.g. start_at use 00:00 and for end_at use 23.59 ??
    #  -- for now - remove hours (e.g. use end_of_day and beginnig_of_day)

    ##
    # note: start_at and end_at are dates ONLY (note datetime)
    #  - do NOT pass in hours etc. in query
    #  again use -->  date.end_of_day, date.beginning_of_day
    #  new: not working:  date.to_date, date.to_date
    #    will not find round if  start_at same as date !! (in theory hours do not matter)

    ###
    # hack:
    #  special case for sqlite3 (date compare not working reliable; use casts)
    #  fix: move to  adapter_name to activerecord_utils as sqlite? or similar?

    if ActiveRecord::Base.connection.adapter_name.downcase.starts_with?( 'sqlite' )
      logger.debug( "  [sqlite] using sqlite-specific query for date compare for rounds finder" )
      round = Round.where( 'event_id = ? AND (    julianday(start_at) <= julianday(?)'+
                                             'AND julianday(end_at)   >= julianday(?))',
                             @event.id, date.to_date, date.to_date).first
    else  # all other dbs (postgresql, mysql, etc.)
      round = Round.where( 'event_id = ? AND (start_at <= ? AND end_at >= ?)',
                           @event.id, date.to_date, date.to_date).first
    end

    pp round
    if round.nil?
      logger.warn( "  !!!! no round match found for date #{date}" )
      pp Round.all

      ###################################
      # -- try auto-adding matchday
      round = Round.new

      round_attribs = {
        event_id: @event.id,
        title: "Matchday #{date.to_date}",
        pos: 999001+@patch_round_ids_pos.length,   # e.g. 999<count> - 999001,999002,etc.
        start_at:  date.to_date,
        end_at:    date.to_date
      }

      logger.info( "  auto-add round >Matchday #{date.to_date}<" )
      logger.debug round_attribs.to_json

      round.update_attributes!( round_attribs )

      @patch_round_ids_pos << round.id   # todo/check - add just id or "full" record as now - why? why not?
    end

    # store pos for auto-number next round if missing
    #  - note: only if greater/bigger than last; use max
    #  - note: last_round_pos might be nil - thus set to 0
    if round.pos > 999000
      # note: do NOT update last_round_pos for to-be-patched rounds
    else
      @last_round_pos = [round.pos,@last_round_pos||0].max
    end

    ## note: will crash (round.pos) if round is nil
    logger.debug( "  using round #{round.pos} >#{round.title}< start_at: #{round.start_at}, end_at: #{round.end_at}" )
  else
    ## use round from last round header
    round = @round
  end


  ### check if games exists
  ##  with this teams in this round if yes only update
  game = Game.find_by_round_id_and_team1_id_and_team2_id(
                       round.id, team1.id, team2.id
  )

  game_attribs = {
    score1i:   scores[0],
    score2i:   scores[1],
    score1:    scores[2],
    score2:    scores[3],
    score1et:  scores[4],
    score2et:  scores[5],
    score1p:   scores[6],
    score2p:   scores[7],
    play_at:    date,
    play_at_v2: date_v2,
    postponed: postponed,
    knockout:  round.knockout,   ## note: for now always use knockout flag from round - why? why not??
    ground_id: ground.present? ? ground.id : nil,
    group_id:  @group.present? ? @group.id : nil
  }

  game_attribs[ :pos ] = pos   if pos.present?

  ####
  # note: only update if any changes (or create if new record)
  if game.present? &&
     game.check_for_changes( game_attribs ) == false
        logger.debug "  skip update game #{game.id}; no changes found"
  else
    if game.present?
      logger.debug "update game #{game.id}:"
    else
      logger.debug "create game:"
      game = Game.new

      more_game_attribs = {
        round_id: round.id,
        team1_id: team1.id,
        team2_id: team2.id
      }

      ## NB: use round.games.count for pos
      ##  lets us add games out of order if later needed
      more_game_attribs[ :pos ] = round.games.count+1   if pos.nil?

      game_attribs = game_attribs.merge( more_game_attribs )
    end

    logger.debug game_attribs.to_json
    game.update_attributes!( game_attribs )
  end

  @last_game = game   # store for later reference (e.g. used for goals etc.)
=end

  return true   # game match found
end

#parse_round_header(line) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 147

def parse_round_header( line )
  logger.debug "parsing round header line: >#{line}<"

  ## todo/check/fix:
  #   make sure  Round of 16  will not return pos 16 -- how? possible?
  #   add unit test too to verify
  pos = find_round_pos!( line )

  title = find_round_header_title!( line )

  logger.debug "  line: >#{line}<"


  round = @rounds[ title ]
  if round.nil?
    round = Round.new( pos, title )
    @rounds[ title ] = round
  end
  ## todo/check: if pos match (MUST always match for now)
  @last_round = round


  ## NB: dummy/placeholder start_at, end_at date
  ##  replace/patch after adding all games for round

=begin
  round_attribs = {
    title:  title,
    title2: title2,
    knockout: knockout_flag
  }

  if pos > 999000
    # no pos (e.g. will get autonumbered later) - try match by title for now
    #  e.g. lets us use title 'Group Replays', for example, multiple times
    @round = Round.find_by_event_id_and_title( @event.id, title )
  else
    @round = Round.find_by_event_id_and_pos( @event.id, pos )
  end

  if @round.present?
    logger.debug "update round #{@round.id}:"
  else
    logger.debug "create round:"
    @round = Round.new

    round_attribs = round_attribs.merge( {
      event_id: @event.id,
      pos:   pos,
      start_at: Date.parse('1911-11-11'),
      end_at:   Date.parse('1911-11-11')
    })
  end

  logger.debug round_attribs.to_json

  @round.update_attributes!( round_attribs )

  @patch_round_ids_pos   << @round.id    if pos > 999000
  ### store list of round ids for patching start_at/end_at at the end
  @patch_round_ids_dates << @round.id   # todo/fix/check: check if round has definition (do NOT patch if definition (not auto-added) present)
=end
end

#try_parse_date_header(line) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 419

def try_parse_date_header( line )
  # note: clone line; for possible test do NOT modify in place for now
  # note: returns true if parsed, false if no match
  parse_date_header( line.dup )
end

#try_parse_game(line) ⇒ Object 



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# File 'lib/sportdb/readers/match_parser.rb', line 221

def try_parse_game( line )
  # note: clone line; for possible test do NOT modify in place for now
  # note: returns true if parsed, false if no match
  parse_game( line.dup )
end