Class: EventNlp

Inherits:
Object
  • Object
show all
Includes:
AppRoutes
Defined in:
lib/event_nlp.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(now = Time.now, params: {leap: :back}, debug: false) ⇒ EventNlp

Returns a new instance of EventNlp.



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# File 'lib/event_nlp.rb', line 28

def initialize(now=Time.now, params: {leap: :back}, debug: false)
  
  super()
  
  @debug = debug    
  
  @now = now
  @params = params
  expressions(@params)


end

Instance Attribute Details

#params ⇒ Object

Returns the value of attribute params.



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# File 'lib/event_nlp.rb', line 26

def params
  @params
end

Instance Method Details

#parse(raws) ⇒ Object 



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# File 'lib/event_nlp.rb', line 41

def parse(raws)

  s = filter_irregular(raws)

  #-----------------------------------------------------------

  @params[:input] = s
  puts 'parse: about to execute run_route' if @debug
  r = run_route(s)

  return unless r.is_a? Hash
  
  OpenStruct.new({input: s}.merge r)
  
end

#project(s, year: @now.year) ⇒ Object

returns an Array object of dates, projected from a recurring event

Example parameters:

s: ‘Council Tax 30th Monthly’ s: ‘Council Tax 30th Monthly until 2nd October’



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# File 'lib/event_nlp.rb', line 64

def project(s, year: @now.year)

  s2, raw_end_date = s.split(/ +\buntil\b +/)
  
  end_date = if raw_end_date then
    EventNlp.new().parse(raw_end_date).date    
  else
    puts 'before date parse' if @debug
    (Date.parse('1 Jan ' + (year+1).to_s) - 1).to_time
  end
  
  puts 'project/end_date: ' + end_date.inspect if @debug
  
  # filter the input to ensure validity
  r0 = parse s2
  puts 'project/r0: ' + r0.inspect if @debug
  r = parse r0.input
  puts 'project/r: ' + r.inspect if @debug
  
  dates = []
  now = @now

  if @debug then
    puts 'r.date: ' + r.date.inspect
    puts 'r.input: ' + r.input.inspect
    puts 'EventNlp.new(r.date+1).parse(r.input).date: ' + \
        EventNlp.new(r.date+1).parse(r.input).date.inspect
  end

  return [r.date] if (r.date == EventNlp.new(r.date+1, debug: @debug).parse(r.input).date)
#year.to_i

  while r.date <= end_date do

    puts 'project/r.date: ' + r.date.inspect if @debug
    dates << r.date
    @now = if r.recurring == 'month' then
     (r.date.to_date >> 1).to_time
    #elsif r.recurring == 'weekly'

    else
      r.date + 1
    end
    puts '@now: ' + @now.inspect if @debug
    #@now = r.date + 1
    r = parse(r.input)

  end

  @now = now
  return dates

end