Class: SportDb::MatchParser

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

Overview

simple match parser for team match schedules

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lines, start) ⇒ MatchParser

todo/fix: change start to start: too!!!

might be optional in the future!! - why? why not?



69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/sportdb/quick/match_parser.rb', line 69

def initialize( lines, start )
  # for convenience split string into lines
  ##    note: removes/strips empty lines
  ## todo/check: change to text instead of array of lines - why? why not?

  ## note - wrap in enumerator/iterator a.k.a lines reader
  ## @lines = lines.is_a?( String ) ?
  ##                _read_lines( lines ) : lines

  @txt          = _prep_lines( lines )    
  @start        = start
  @errors = []
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



84
85
86
 
# File 'lib/sportdb/quick/match_parser.rb', line 84

def errors
  @errors
end

Class Method Details

.debug=(value) ⇒ Object 



6
 
# File 'lib/sportdb/quick/match_parser.rb', line 6

def self.debug=(value) @@debug = value; end

.debug? ⇒ Boolean

note: default is FALSE

Returns:

  • (Boolean) 


7
 
# File 'lib/sportdb/quick/match_parser.rb', line 7

def self.debug?() @@debug ||= false; end

.parse(lines, start:) ⇒ Object 



25
26
27
28
29
30
31
 
# File 'lib/sportdb/quick/match_parser.rb', line 25

def self.parse( lines, start: )
  ##  todo/fix: add support for txt and lines
  ##    check if lines_or_txt is an array or just a string
  ##   use teams: like start:  why? why not?
  parser = new( lines, start )
  parser.parse
end

Instance Method Details

#_build_date(m:, d:, y:, start:) ⇒ Object 



227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
 
# File 'lib/sportdb/quick/match_parser.rb', line 227

def _build_date( m:, d:, y:, start:  )


## quick debug hack
 if m == 2 && d == 29
    puts "quick check  feb/29 dates"
    pp [d,m,y]
    pp start
 end

  if y.nil?   ## try to calculate year
    y =  if  m > start.month ||
             (m == start.month && d >= start.day)
              # assume same year as start_at event (e.g. 2013 for 2013/14 season)
              start.year
         else
               # assume year+1 as start_at event (e.g. 2014 for 2013/14 season)
              start.year+1
         end
  end



    Date.new( y,m,d )  ## y,m,d
end

#_prep_lines(lines) ⇒ Object

todo/check: add alias preproc_lines or build_lines or prep_lines etc. - why? why not?



35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/sportdb/quick/match_parser.rb', line 35

def _prep_lines( lines )   ## todo/check:  add alias preproc_lines or build_lines or prep_lines etc. - why? why not?

  ## todo/fix - rework and make simpler
  ##             no need to double join array of string to txt etc.

  txt =  if lines.is_a?( Array )
             ## join together with newline
              lines.reduce( String.new ) do |mem,line|
                                             mem << line; mem << "\n"; mem
                                         end
           else  ## assume single-all-in-one txt
              lines
           end

  ##  preprocess automagically - why? why not?
  ##   strip lines with comments and empty lines striped / removed
  txt_new = String.new
  txt.each_line do |line|    ## preprocess
     line = line.strip
     next if line.empty? || line.start_with?('#')   ###  skip empty lines and comments
     
     line = line.sub( /#.*/, '' ).strip             ###  cut-off end-of line comments too
     
     txt_new << line
     txt_new << "\n"
  end
  txt_new
end

#debug? ⇒ Boolean

Returns:

  • (Boolean) 


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

def debug?()  self.class.debug?; end

#errors? ⇒ Boolean

Returns:

  • (Boolean) 


85
 
# File 'lib/sportdb/quick/match_parser.rb', line 85

def errors?() @errors.size > 0; end

#log(msg) ⇒ Object 



12
13
14
15
16
17
18
19
 
# File 'lib/sportdb/quick/match_parser.rb', line 12

def log( msg )
  ## append msg to ./logs.txt
  ##     use ./errors.txt - why? why not?
  File.open( './logs.txt', 'a:utf-8' ) do |f|
    f.write( msg )
    f.write( "\n" )
  end
end

#on_date_header(node) ⇒ Object 



344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
 
# File 'lib/sportdb/quick/match_parser.rb', line 344

def on_date_header( node )
  logger.debug( "date header: >#{node}<")

  date = _build_date( m: node.date[:m],
                      d: node.date[:d],
                      y: node.date[:y],
                      start: @start )

  logger.debug( "    date: #{date} with start: #{@start}")

    @last_date = date   # keep a reference for later use
    @last_time = nil

    ###  quick "corona" hack - support seasons going beyond 12 month (see swiss league 2019/20 and others!!)
    ##    find a better way??
    ##  set @start date to full year (e.g. 1.1.) if date.year  is @start.year+1
    ##   todo/fix: add to linter to check for chronological dates!! - warn if NOT chronological
    ###  todo/check: just turn on for 2019/20 season or always? why? why not?

    ## todo/fix: add switch back to old @start_org
    ##   if year is date.year == @start.year-1    -- possible when full date with year set!!!
=begin
    if @start.month != 1
       if date.year == @start.year+1
         logger.debug( "!! hack - extending start date to full (next/end) year; assumes all dates are chronologigal - always moving forward" )
         @start_org = @start   ## keep a copy of the original (old) start date - why? why not? - not used for now
         @start = Date.new( @start.year+1, 1, 1 )
       end
    end
=end
end

#on_goal_line(node) ⇒ Object 



377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
 
# File 'lib/sportdb/quick/match_parser.rb', line 377

def on_goal_line( node )
  logger.debug "on goal line: >#{node}<"

  goals1 = node.goals1
  goals2 = node.goals2

 
  pp [goals1,goals2]     if debug?


## wrap in struct andd add/append to match
=begin
class GoalStruct
######
# flat struct for goals - one entry per goals
attr_accessor :name
attr_accessor :team   #  1 or 2 ? check/todo: add team1 or team2 flag?
attr_accessor :minute, :offset
attr_accessor :penalty, :owngoal
attr_accessor :score1, :score2  # gets calculated
=end

  goals = []
  goals1.each do |rec|
    rec.minutes.each do |minute|
      goal = Import::Goal.new(
                player: rec.player,
                team:   1,
                minute:  minute.m,
                offset:  minute.offset,
                penalty: minute.pen || false, #  note: pass along/use false NOT nil
                owngoal: minute.og || false
              )
      goals << goal
    end
  end
  goals2.each do |rec|
    rec.minutes.each do |minute|
      goal = Import::Goal.new(
                player: rec.player,
                team:   2,
                minute:  minute.m,
                offset:  minute.offset,
                penalty: minute.pen || false, #  note: pass along/use false NOT nil
                owngoal: minute.og || false
              )
    goals << goal
    end
  end

  pp goals   if debug?

  ## quick & dirty - auto add goals to last match
  ##   note - for hacky (quick& dirty) multi-line support
  ##     always append for now
  match = @matches[-1]
  match.goals ||= []
  match.goals += goals

  ## todo/fix
  ##   sort by minute
  ##    PLUS auto-fill score1,score2 - why? why not?
end

#on_group_def(node) ⇒ Object 



205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
 
# File 'lib/sportdb/quick/match_parser.rb', line 205

def on_group_def( node )
  logger.debug "on group def: >#{node}<"

 ## e.g
 ##  [:group_def, "Group A"],
 ##   [:team, "Germany"],
 ##   [:team, "Scotland"],
 ##   [:team, "Hungary"],
 ##   [:team, "Switzerland"]

  node.teams.each do |team|
        @teams[ team ] += 1
  end
 
  ## todo/check/fix: add back group key - why? why not?
  group = Import::Group.new( name:  node.name,
                             teams: node.teams )

  @groups[ node.name ] = group
end

#on_group_header(node) ⇒ Object 



181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
 
# File 'lib/sportdb/quick/match_parser.rb', line 181

def on_group_header( node )
  logger.debug "on group header: >#{node}<"

  # note: group header resets (last) round  (allows, for example):
  #  e.g.
  #  Group Playoffs/Replays       -- round header
  #    team1 team2                -- match
  #  Group B                      -- group header
  #    team1 team2 - match  (will get new auto-matchday! not last round)
  @last_round     = nil

  name = node.name

  group = @groups[ name ]
  if group.nil?
    puts "!! PARSE ERROR - no group def found for >#{name}<"
    exit 1
  end

  # set group for games
  @last_group = group
end

#on_match_line(node) ⇒ Object 



442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
 
# File 'lib/sportdb/quick/match_parser.rb', line 442

def on_match_line( node )
  logger.debug( "on match: >#{node}<" )

  ## collect (possible) nodes by type
  num    = nil
  num = node.ord   if node.ord
      
  date   = nil
  date =  _build_date( m: node.date[:m],
                       d: node.date[:d],
                       y: node.date[:y],
                       start: @start )   if node.date

  ## note - there's no time (-only) type in ruby
  ##  use string (e.g. '14:56', '1:44')
  ##   use   01:44 or 1:44 ?
  ##  check for 0:00 or 24:00  possible?  
  time   = nil                       
  time   =  ('%d:%02d' % [node.time[:h], node.time[:m]])  if node.time
 

  ### todo/fix
  ##    add keywords (e.g. ht, ft or such) to Score.new - why? why not?
  ##     or use new Score.build( ht:, ft:, ) or such - why? why not?
  ## pp score              
  score  = nil
  if node.score
    ht = node.score[:ht] || [nil,nil]
    ft = node.score[:ft] || [nil,nil]
    et = node.score[:et] || [nil,nil]
    p  = node.score[:p]  || [nil,nil]
    values = [*ht, *ft, *et, *p]
    ## pp values
    score = Score.new( *values )
  end
 

  status = nil
  status =  node.status   if node.status   ### assume text for now             
  ## if node_type == :status  # e.g. awarded, canceled, postponed, etc.
  ##  status = node[1]
  #
  ## todo - add    ## find (optional) match status e.g. [abandoned] or [replay] or [awarded]
  ##                                   or [cancelled] or [postponed] etc.
  ##    status = find_status!( line )   ## todo/check: allow match status also in geo part (e.g. after @) - why? why not?

  
  ###############
  #  add more for ground (and timezone!!!)
  more   = []
#
#        elsif node_type == :'@' ||
#              node_type == :',' ||
#              node_type == :geo ||
#              node_type == :timezone
       ## e.g.
       ## [:"@"], [:geo, "Stade de France"], [:","], [:geo, "Saint-Denis"]]
       ## [:"@"], [:geo, "Arena de São Paulo"], [:","], [:geo, "São Paulo"], [:timezone, "(UTC-3)"]
#            more << node[1]  if node_type == :geo


  team1 = node.team1
  team2 = node.team2

  @teams[ team1 ] += 1
  @teams[ team2 ] += 1


  ###
  # check if date found?
  #   note: 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
    @last_time = nil
    # @last_time = nil
  else
    date = @last_date    # no date found; (re)use last seen date
  end

  if time
    @last_time = time
  else
    time = @last_time
  end


  round = nil
  if @last_round
    round = @last_round
  else
    ## find (first) matching round by date if rounds / matchdays defined
    ##   if not rounds / matchdays defined - YES, allow matches WITHOUT rounds!!!
    if @rounds.size > 0
      @rounds.values.each do |round_rec|
        ## note: convert date to date only (no time) with to_date!!!
        if (round_rec.start_date && round_rec.end_date) &&
           (date.to_date >= round_rec.start_date &&
           date.to_date <= round_rec.end_date)
          round = round_rec
          break
        end
      end
      if round.nil?
        puts "!! PARSE ERROR - no matching round found for match date:"
        pp date
        exit 1
      end
    end
  end

  ## todo/check: scores are integers or strings?

  ## todo/check: pass along round and group refs or just string (canonical names) - why? why not?

  ## split date in date & time if DateTime
=begin
  time_str = nil
  date_str = nil
  if date.is_a?( DateTime )
      date_str = date.strftime('%Y-%m-%d')
      time_str = date.strftime('%H:%M')
  elsif date.is_a?( Date )
      date_str = date.strftime('%Y-%m-%d')
  else  # assume date is nil
  end
=end

  time_str = nil
  date_str = nil

  date_str = date.strftime('%Y-%m-%d')  if date
  time_str = time    if date && time


  ground   = nil
  timezone = nil
  if node.geo
     ground = node.geo
     ## note: only add/check for timezone if geo (aka ground) is present - why? why not?
     timezone = node.timezone   if node.timezone
  end


  @matches << Import::Match.new( num:      num,
                                 date:     date_str,
                                 time:     time_str,
                                 team1:    team1,  ## note: for now always use mapping value e.g. rec (NOT string e.g. team1.name)
                                 team2:    team2,  ## note: for now always use mapping value e.g. rec (NOT string e.g. team2.name)
                                 score:    score,
                                 round:    round       ? round.name       : nil,   ## note: for now always use string (assume unique canonical name for event)
                                 group:    @last_group ? @last_group.name : nil,   ## note: for now always use string (assume unique canonical name for event)
                                 status:   status,
                                 ground:   ground,
                                 timezone: timezone )
  ### todo: cache team lookups in hash?
end

#on_round_def(node) ⇒ Object 



254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
 
# File 'lib/sportdb/quick/match_parser.rb', line 254

def on_round_def( node )
  logger.debug "on round def: >#{node}<"

  ## e.g. [[:round_def, "Matchday 1"], [:duration, "Fri Jun/14 - Tue Jun/18"]]
  ##      [[:round_def, "Matchday 2"], [:duration, "Wed Jun/19 - Sat Jun/22"]]
  ##      [[:round_def, "Matchday 3"], [:duration, "Sun Jun/23 - Wed Jun/26"]]

  name  = node.name
  # NB: use extracted round name for knockout check
  # knockout_flag = is_knockout_round?( name )

  if node.date
      start_date = end_date = _build_date( m: node.date[:m],
                                           d: node.date[:d],
                                           y: node.date[:y],
                                            start: @start)
  elsif node.duration
    start_date  = _build_date( m: node.duration[:start][:m],
                               d: node.duration[:start][:d],
                               y: node.duration[:start][:y],
                                 start: @start)
    end_date    = _build_date( m: node.duration[:end][:m],
                               d: node.duration[:end][:d],
                               y: node.duration[:end][:y],
                                 start: @start)
  else
     puts "!! PARSE ERROR - expected date or duration for round def; got:"
     pp node
     exit 1
  end

  # note: - NOT needed; start_at and end_at are saved as date only (NOT datetime)
  #  set hours,minutes,secs to beginning and end of day (do NOT use default 12.00)
  #   e.g. use 00.00 and 23.59
  # start_at = start_at.beginning_of_day
  # end_at   = end_at.end_of_day

  # note: make sure start_at/end_at is date only (e.g. use start_at.to_date)
  #   sqlite3 saves datetime in date field as datetime, for example (will break date compares later!)

  # note - _build_date always returns Date for now - no longer needed!!
  # start_date = start_date.to_date
  #  end_date   = end_date.to_date


  ## fix:
  ##  remove knockout_flag - why? why not?
  knockout_flag = false


  logger.debug "    start_date: #{start_date}"
  logger.debug "    end_date:   #{end_date}"
  logger.debug "    name:    >#{name}<"
  logger.debug "    knockout_flag:   #{knockout_flag}"

  round = Import::Round.new( name:       name,
                             start_date: start_date,
                             end_date:   end_date,
                             knockout:   knockout_flag,
                             auto:       false )

  @rounds[ name ] = round
end

#on_round_header(node) ⇒ Object 



319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
 
# File 'lib/sportdb/quick/match_parser.rb', line 319

def on_round_header( node )
  logger.debug "on round header: >#{node}<"

  name = node.names[0]    ## ignore more names for now
                         ## fix later - fix more names!!!

  # name = name.sub( ROUND_EXTRA_WORDS_RE, '' )
  # name = name.strip

  round = @rounds[ name ]
  if round.nil?    ## auto-add / create if missing
    ## todo/check: add num (was pos) if present - why? why not?
    round = Import::Round.new( name: name )
    @rounds[ name ] = round
  end

  ## todo/check: if pos match (MUST always match for now)
  @last_round = round
  @last_group = nil   # note: reset group to no group - why? why not?

  ## todo/fix/check
  ##  make round a scope for date(time) - why? why not?
  ##   reset date/time e.g. @last_date = nil !!!!
end

#parse ⇒ Object 



87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
 
# File 'lib/sportdb/quick/match_parser.rb', line 87

def parse
  ## note: every (new) read call - resets errors list to empty
  @errors = []

  @last_date    = nil
  @last_time    = nil
  @last_round   = nil
  @last_group   = nil


  @teams   = Hash.new(0)   ## track counts (only) for now for (interal) team stats - why? why not?
  @rounds  = {}
  @groups  = {}
  @matches = []

  @warns        = []    ## track list of warnings (unmatched lines)  too - why? why not?


  @tree   = []


       if debug?
         puts "lines:"
         pp @txt
       end

=begin
        t, error_messages  =  @parser.parse_with_errors( line )


         if error_messages.size > 0
            ## add to "global" error list
            ##   make a triplet tuple (file / msg / line text)
            error_messages.each do |msg|
                @errors << [ '<file>',  ## add filename here
                             msg,
                             line
                           ]
            end
         end

         pp t   if debug?

         @tree << t
=end

   parser = RaccMatchParser.new( @txt )   ## use own parser instance (not shared) - why? why not?
   @tree = parser.parse
   ## pp @tree

  ## report parse errors here - why? why not?



  @tree.each do |node|

     if node.is_a? RaccMatchParser::RoundDef
      ## todo/fix:  add round definition (w begin n end date)
      ## todo: do not patch rounds with definition (already assume begin/end date is good)
      ##  -- how to deal with matches that get rescheduled/postponed?
        on_round_def( node )
      elsif node.is_a? RaccMatchParser::GroupDef  ## NB: group goes after round (round may contain group marker too)
      ### todo: add pipe (|) marker (required)
        on_group_def( node )
     elsif node.is_a? RaccMatchParser::GroupHeader
        on_group_header( node )
     elsif node.is_a? RaccMatchParser::RoundHeader
        on_round_header( node )
    elsif node.is_a? RaccMatchParser::DateHeader
        on_date_header( node )
    elsif node.is_a? RaccMatchParser::MatchLine
        on_match_line( node )
    elsif node.is_a? RaccMatchParser::GoalLine
        on_goal_line( node )
    elsif node.is_a? RaccMatchParser::LineupLine
         ## skip lineup for now
    else
      ## report error
      msg = "!! WARN - unknown node (parse tree type) - #{node.class.name}" 
      puts msg
      pp node

      log( msg )
      log( node.pretty_inspect )
    end
  end  # tree.each

  ## note - team keys are names and values are "internal" stats!!
  ##                      and NOT team/club/nat_team structs!!
  [@teams.keys, @matches, @rounds.values, @groups.values]
end