Module: Patriot::Util::DateUtil

Included in:
Command::Base, Tool::BatchParser, Script, Worker::Servlet::JobAPIServlet
Defined in:
lib/patriot/util/date_util.rb

Overview

namesapce for date functions

Instance Method Summary collapse

Instance Method Details

#date_add(date, interval) ⇒ String

add interval to date



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# File 'lib/patriot/util/date_util.rb', line 48

def date_add(date, interval)
  d = to_date_obj(date)
  d = d + interval
  return d.strftime('%Y-%m-%d')
end

#date_add_year(date, interval) ⇒ String 



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# File 'lib/patriot/util/date_util.rb', line 67

def date_add_year(date, interval)
  s = date.split("-");
  return Date.new(s[0].to_i + interval,s[1].to_i,s[2].to_i).strftime("%Y-%m-%d")
end

#date_format(dt, time, fmt, diff = {}) ⇒ Object

format date



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# File 'lib/patriot/util/date_util.rb', line 10

def date_format(dt, time, fmt, diff={})
  diff = {:year => 0, 
          :month => 0,
          :day => 0,
          :hour => 0,
          :min => 0,
          :sec => 0}.merge(diff)

  dt  = eval "\"#{dt}\""
  time  = eval "\"#{time}\""

  t = time.split(':')
  d = dt.split('-')
  sec = t[2].to_i + diff[:sec]
  min = t[1].to_i + diff[:min] 
  hour = t[0].to_i + diff[:hour] 
  day = d[2].to_i 
  month = d[1].to_i 
  year = d[0].to_i + diff[:year]

  min = min+ sec/60
  hour = hour + min/60
  diff[:day]= diff[:day] + hour/24  

  sec = sec%60
  min = min%60
  hour = hour%24
   
  new_dt = DateTime.new(year, month, day, hour, min, sec)
  new_dt = new_dt >> diff[:month]
  new_dt = new_dt + diff[:day]
  return new_dt.strftime(fmt)
end

#date_sub(date, interval) ⇒ String

subtract interval from date



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# File 'lib/patriot/util/date_util.rb', line 58

def date_sub(date, interval)
  d = to_date_obj(date)
  d = d - interval
  return d.strftime('%Y-%m-%d')
end

#date_sub_year(date, interval) ⇒ String 



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# File 'lib/patriot/util/date_util.rb', line 75

def date_sub_year(date, interval)
  s = date.split("-");
  return Date.new(s[0].to_i - interval,s[1].to_i,s[2].to_i).strftime("%Y-%m-%d")
end

#date_to_month(date) ⇒ Object

Deprecated. 


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# File 'lib/patriot/util/date_util.rb', line 168

def date_to_month(date)
  d = date.split('-')
  return Date.new(d[0].to_i, d[1].to_i, d[2].to_i).strftime('%Y-%m')
end

#days_of_month(month) ⇒ Array<String> 



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# File 'lib/patriot/util/date_util.rb', line 142

def days_of_month(month)
  s = month.split('-')
  y = s[0].to_i
  m = s[1].to_i
  return 1.upto(31).map{|d| Date.new(y,m,d).strftime('%Y-%m-%d') if Date.valid_date?(y,m,d)}.compact
end

#days_of_month_until(dt) ⇒ Array<String> 



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# File 'lib/patriot/util/date_util.rb', line 151

def days_of_month_until(dt)
  s = dt.split('-')
  y = s[0].to_i
  m = s[1].to_i
  d = s[2].to_i
  return 1.upto(d).map{|d| Date.new(y,m,d).strftime('%Y-%m-%d') if Date.valid_date?(y,m,d)}.compact
end

#days_of_week(date) ⇒ Integer 



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# File 'lib/patriot/util/date_util.rb', line 135

def days_of_week(date)
  d = to_date_obj(date)
  return d.wday
end

#hours ⇒ Array<String> 



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# File 'lib/patriot/util/date_util.rb', line 174

def hours
  return 0.upto(23).map do |h| h_str = h.to_s.rjust(2, "0") end.flatten
end

#month_add(month, interval) ⇒ String

add interval to month



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# File 'lib/patriot/util/date_util.rb', line 84

def month_add(month, interval)
  d = to_date_obj("#{month}-01")
  d = d >> interval
  return d.strftime('%Y-%m')
end

#month_sub(month, interval) ⇒ String

subtract interval from month



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# File 'lib/patriot/util/date_util.rb', line 94

def month_sub(month, interval)
  d = to_date_obj("#{month}-01")
  d = d << interval
  return d.strftime('%Y-%m')
end

#to_date_obj(date) ⇒ Date

convert to a Date instance



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# File 'lib/patriot/util/date_util.rb', line 162

def to_date_obj(date)
  d = date.split('-')
  return Date.new(d[0].to_i, d[1].to_i, d[2].to_i)
end

#to_end_of_last_month(date) ⇒ String

get the last date of the last month



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# File 'lib/patriot/util/date_util.rb', line 127

def to_end_of_last_month(date)
  d = to_date_obj(date)
  d = d - d.day
  return d.strftime('%Y-%m-%d')
end

#to_end_of_month(date) ⇒ String

get the last date of the month



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# File 'lib/patriot/util/date_util.rb', line 119

def to_end_of_month(date)
  s = date.split("-");
  return ((Date.new(s[0].to_i,s[1].to_i,1)>>1)-1).strftime("%Y-%m-%d")
end

#to_month(date) ⇒ String

convert to month expression



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# File 'lib/patriot/util/date_util.rb', line 103

def to_month(date)
  d = to_date_obj(date)
  return d.strftime('%Y-%m')
end

#to_start_of_month(date) ⇒ String

get first date of the month



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# File 'lib/patriot/util/date_util.rb', line 111

def to_start_of_month(date)
  s = date.split("-");
  return Date.new(s[0].to_i,s[1].to_i,1).strftime("%Y-%m-%d")
end