Class: Footty::Dataset

Inherits:
Object
  • Object
show all
Defined in:
lib/footty/dataset/dataset.rb

Overview

note - assume “upstream” date is always date object or nil (NOT string)!!!

Direct Known Subclasses

OpenfootballDataset

Instance Method Summary collapse

Instance Method Details

#_select_matches(&blk) ⇒ Object 



91
92
93
94
95
96
97
98
99
100
 
# File 'lib/footty/dataset/dataset.rb', line 91

def _select_matches( &blk )
  selected = []
  matches.each do |match|
     selected << match   if blk.call( match )
  end

  ## todo/fix:
  ##  sort matches here; might not be chronologicial (by default)
  selected
end

#end_date ⇒ Object 



19
20
21
22
23
24
25
26
27
 
# File 'lib/footty/dataset/dataset.rb', line 19

def end_date
   @end_date ||= begin
                    end_date = nil
                    matches.each do |match|
                       end_date = match['date']   if end_date.nil? || match['date'] > end_date
                    end
                    end_date
                 end
end

#league_name ⇒ Object

Raises:

  • (ArgumentError) 


13
14
15
 
# File 'lib/footty/dataset/dataset.rb', line 13

def league_name
   raise ArgumentError, "method league_name must be implemented by concrete class!!"
end

#matches ⇒ Object

Raises:

  • (ArgumentError) 


9
10
11
 
# File 'lib/footty/dataset/dataset.rb', line 9

def matches
   raise ArgumentError, "method matches must be implemented by concrete class!!"
end

#past_matches(date: Date.today) ⇒ Object 



65
66
67
68
69
70
 
# File 'lib/footty/dataset/dataset.rb', line 65

def past_matches( date: Date.today )
  matches = _select_matches { |match| date > match['date'] }
  ## note reveserve matches (chronological order/last first)
  ## matches.reverse
  matches
end

#query(q) ⇒ Object 



74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/footty/dataset/dataset.rb', line 74

def query( q )
    ## query/check for team name match for now
    rx =  /#{Regexp.escape(q)}/i   ## use case-insensitive regex match

    _select_matches do |match|
                      if rx.match( match['team1'] ) ||
                         rx.match( match['team2'] )
                         true
                      else
                         false
                      end
                    end
end

#start_date ⇒ Object 



29
30
31
32
33
34
35
36
37
 
# File 'lib/footty/dataset/dataset.rb', line 29

def start_date
   @start_date ||= begin
                    start_date = nil
                    matches.each do |match|
                       start_date = date = match['date']  if start_date.nil? || date = match['date'] < start_date
                    end
                    start_date
                   end
end

#todays_matches(date: Date.today) ⇒ Object 



40
 
# File 'lib/footty/dataset/dataset.rb', line 40

def todays_matches(     date: Date.today )  _select_matches { |match| date   == match['date'] };  end

#tomorrows_matches(date: Date.today) ⇒ Object 



41
 
# File 'lib/footty/dataset/dataset.rb', line 41

def tomorrows_matches(  date: Date.today )  _select_matches { |match| date+1 == match['date'] };  end

#upcoming_matches(date: Date.today, limit: nil) ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/footty/dataset/dataset.rb', line 52

def upcoming_matches( date: Date.today,
                      limit: nil )
  ## note: includes todays matches for now
  matches = _select_matches { |match| date <= match['date'] }

  if limit
    matches[0, limit]  ## cut-off
  else
    matches
  end
end

#weeks_matches(start_week, end_week) ⇒ Object 



45
46
47
48
49
 
# File 'lib/footty/dataset/dataset.rb', line 45

def weeks_matches( start_week, end_week )
  _select_matches do |match|
                             match['date'] >= start_week && match['date'] <= end_week
                   end
end

#yesterdays_matches(date: Date.today) ⇒ Object 



42
 
# File 'lib/footty/dataset/dataset.rb', line 42

def yesterdays_matches( date: Date.today )  _select_matches { |match| date-1 == match['date'] };  end