Class: Charting::Period

Inherits:
Object
  • Object
show all
Defined in:
lib/ar_to_chart/charting/period.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.clear ⇒ Object

Clear the saved instance which we should do at the start of each Rails request



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# File 'lib/ar_to_chart/charting/period.rb', line 141

def self.clear
  Thread.current[:period2] = nil
end

.filter(controller) ⇒ Object

Called when we’re configured as a before_filter which we need to ensure our thread data is ours and no left over from somebody else



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# File 'lib/ar_to_chart/charting/period.rb', line 147

def self.filter(controller)
  clear
end

.method_missing(method, *args) ⇒ Object

Arrange for instance methods to be called as if class methods. Make threadsafe.



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# File 'lib/ar_to_chart/charting/period.rb', line 152

def self.method_missing(method, *args)
  Thread.current[:period2] = new unless Thread.current[:period2]
  self.instance_methods.include?(method.to_s) ? Thread.current[:period2].send(method, *args) : super
end

Instance Method Details

#beginning_of_epoch ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 80

def beginning_of_epoch
  today - 20.years
end

#date_from_param(date, default) ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 24

def date_from_param(date, default)
  return default unless date
  return date.to_date if date.is_a?(Date) || date.is_a?(Time)
  Time.parse(date) rescue default
end

#first_day_of_last_month ⇒ Object

Last month



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# File 'lib/ar_to_chart/charting/period.rb', line 112

def first_day_of_last_month
  last_month = Date.today - 1.month
  Date.new(last_month.year, last_month.month, 1)
end

#first_day_of_last_week ⇒ Object

Last week



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# File 'lib/ar_to_chart/charting/period.rb', line 103

def first_day_of_last_week
  first_day_of_this_week - 7.days
end

#first_day_of_last_year ⇒ Object

Last year



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# File 'lib/ar_to_chart/charting/period.rb', line 131

def first_day_of_last_year
  Date.new(today.year - 1, 1, 1)
end

#first_day_of_this_month ⇒ Object

This month



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# File 'lib/ar_to_chart/charting/period.rb', line 94

def first_day_of_this_month
  Date.new(today.year, today.month, 1)
end

#first_day_of_this_week ⇒ Object

This week



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# File 'lib/ar_to_chart/charting/period.rb', line 85

def first_day_of_this_week
  today - today.wday.days
end

#first_day_of_this_year ⇒ Object

This year



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# File 'lib/ar_to_chart/charting/period.rb', line 122

def first_day_of_this_year
  Date.new(today.year, 1, 1)
end

#from_param(period, default) ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 30

def from_param(period, default)
  return default.first, default.last unless period
  period_range = case period.to_sym
    when :today          then today.beginning_of_day..today.end_of_day
    when :yesterday      then yesterday.beginning_of_day..yesterday.end_of_day
    when :this_week      then first_day_of_this_week.beginning_of_day..last_day_of_this_week.end_of_day
    when :this_month     then first_day_of_this_month.beginning_of_day..last_day_of_this_month.end_of_day
    when :this_year      then first_day_of_this_year.beginning_of_day..last_day_of_this_year.end_of_day
    when :last_week      then first_day_of_last_week.beginning_of_day..last_day_of_last_week.end_of_day
    when :last_month     then first_day_of_last_month.beginning_of_day..last_day_of_last_month.end_of_day
    when :last_year      then first_day_of_last_year.beginning_of_day..last_day_of_last_year.end_of_day
    when :last_30_days   then (today - 30.days).beginning_of_day..today.end_of_day
    when :last_12_months then (today - 12.months).beginning_of_day..today.end_of_day
    when :lifetime       then beginning_of_epoch.beginning_of_day..today.end_of_day;
    else default
  end
  return period_range.first, period_range.last
end

#from_params(params = {}) ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 12

def from_params(params = {})
  default_from  = (today - 30.days).beginning_of_day
  default_to    = today.end_of_day
  if params[:period]
    from, to = from_param(params[:period], default_from..default_to)
  else
    to = date_from_param(params[:to], default_to)
    from = date_from_param(params[:from], default_from)
  end       
  from..to
end

#last_day_of_last_month ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 117

def last_day_of_last_month
  first_day_of_last_month + 1.month - 1.day
end

#last_day_of_last_week ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 107

def last_day_of_last_week
  first_day_of_last_week + 7.days
end

#last_day_of_last_year ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 135

def last_day_of_last_year
  Date.new(first_day_of_last_year.year, 12, 31)
end

#last_day_of_this_month ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 98

def last_day_of_this_month
  first_day_of_this_month + 1.month - 1.day
end

#last_day_of_this_week ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 89

def last_day_of_this_week
  first_day_of_this_week + 7.days
end

#last_day_of_this_year ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 126

def last_day_of_this_year
  Date.new(today.year, 12, 31)
end

#range_from(params) ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 49

def range_from(params)
  period = self.from_params(params)
  case params[:time_group]
  when 'date'
    period.first.to_date..period.last.to_date
  when 'day_of_week'
    0..6
  when 'day_of_month'
    1..31
  when 'hour'
    0..24
  when 'month'
    1..12
  when 'year'
    period.first.to_date.year..period.last.to_date.year
  end
end

#today ⇒ Object

Basic markers



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# File 'lib/ar_to_chart/charting/period.rb', line 68

def today
  Time.zone.now.to_date
end

#tomorrow ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 76

def tomorrow
  today + 1.day
end

#yesterday ⇒ Object 



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# File 'lib/ar_to_chart/charting/period.rb', line 72

def yesterday
  today - 1.day
end