Class: Appstats::DateRange

Inherits:
Object
  • Object
show all
Defined in:
lib/appstats/date_range.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data = {}) ⇒ DateRange

Returns a new instance of DateRange.



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# File 'lib/appstats/date_range.rb', line 7

def initialize(data = {})
  @from = data[:from]
  @to = data[:to]
  @format = data[:format] || :inclusive
end

Instance Attribute Details

#format ⇒ Object

Returns the value of attribute format.



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# File 'lib/appstats/date_range.rb', line 5

def format
  @format
end

#from ⇒ Object

Returns the value of attribute from.



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# File 'lib/appstats/date_range.rb', line 5

def from
  @from
end

#to ⇒ Object

Returns the value of attribute to.



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# File 'lib/appstats/date_range.rb', line 5

def to
  @to
end

Class Method Details

.parse(raw_input) ⇒ Object 



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# File 'lib/appstats/date_range.rb', line 84

def self.parse(raw_input)
  range = DateRange.new
  return range if raw_input.nil? || raw_input == ''
  input = raw_input.strip
  
  m = input.match(/^today|yesterday|YTD|ytd$/)
  unless m.nil?
    range.from = EntryDate.parse(input)
    range.format = :fixed_point
  end
  
  m = input.match(/^between\s*(.*)\s*and\s*(.*)$/)
  unless m.nil?
    range.from = EntryDate.parse(m[1])
    range.to = EntryDate.parse(m[2])
    return range
  end
  
  m = input.match(/^(in|on)\s*(.*)$/)
  unless m.nil?
    range.from = EntryDate.parse(m[2])
    range.format = :fixed_point
    return range
  end

  m = input.match(/^before\s*(.*)$/)
  unless m.nil?
    range.to = EntryDate.parse(m[1])
    range.format = :exclusive
    return range
  end

  m = input.match(/^after\s*(.*)$/)
  unless m.nil?
    range.from = EntryDate.parse(m[1])
    range.format = :exclusive
    return range
  end

  m = input.match(/^since\s*(.*)$/)
  unless m.nil?
    range.from = EntryDate.parse(m[1])
    range.format = :inclusive
    return range
  end


  m = input.match(/^this\s*(year|quarter|month|week|day)$/)
  unless m.nil?
    range.from = EntryDate.parse(input)
    range.format = :fixed_point
    return range
  end

  m = input.match(/^(last|previous)\s*(year|quarter|month|week|day)$/)
  unless m.nil?
    range.from = EntryDate.parse(input)
    range.format = :fixed_point
    return range
  end

  m = input.match(/^last\s*(.+)\s*(year|years|quarter|quarters|month|months|week|weeks|day|days)$/)
  unless m.nil?
    range.from = EntryDate.parse(input)
    range.format = :inclusive
    return range
  end

  m = input.match(/^(.+)\s*(year|years|quarter|quarters|month|months|week|weeks|day|days)\s*ago$/)
  unless m.nil?
    range.from = EntryDate.parse(input)
    range.format = :fixed_point
    return range
  end


  m = input.match(/^previous\s*(.+)\s*(year|quarter|month|week|day)s?$/)
  unless m.nil?
    range.from = EntryDate.parse(input)
    to = EntryDate.parse("last #{m[2]}")
    if m[2] == "week"
      to = to.end_of_week
    elsif m[2] == "quarter"
      to = to.end_of_quarter  
    end
    range.to = to
    range.format = :inclusive
    return range
  end
  
  range
end

Instance Method Details

#==(o) ⇒ Object Also known as: eql? 



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# File 'lib/appstats/date_range.rb', line 177

def ==(o)
   o.class == self.class && o.send(:state) == state
end

#from_date ⇒ Object 



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# File 'lib/appstats/date_range.rb', line 13

def from_date
  return nil if @from.nil?
  mode = @format == :exclusive ? :end : :beginning
  @from.to_time(mode)
end

#from_date_to_s ⇒ Object 



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# File 'lib/appstats/date_range.rb', line 28

def from_date_to_s
  return nil if from_date.nil?
  from_date.strftime('%Y-%m-%d %H:%M:%S')
end

#to_date ⇒ Object 



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# File 'lib/appstats/date_range.rb', line 19

def to_date
  if @format == :fixed_point && !@from.nil?
    return @from.to_time(:end)
  end
  return nil if @to.nil?
  mode = @format == :exclusive ? :beginning : :end
  @to.to_time(mode)
end

#to_date_to_s ⇒ Object 



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# File 'lib/appstats/date_range.rb', line 33

def to_date_to_s
  return nil if to_date.nil?
  to_date.strftime('%Y-%m-%d %H:%M:%S')
end

#to_sql ⇒ Object 



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# File 'lib/appstats/date_range.rb', line 38

def to_sql
  return "1=1" if @from.nil? && @to.nil?
  
  if !@from.nil? && @to.nil?
    return case @format
      when :inclusive then 
        "occurred_at >= '#{from_date_to_s}'"
      when :exclusive then 
        "occurred_at > '#{from_date_to_s}'"
      when :fixed_point then 
        if !@from.quarter.nil? 
          answer = "(year=#{@from.year} and quarter=#{@from.quarter})"
        elsif !@from.week.nil? && @from.week == -1
          answer = "((year=#{@from.year - 1} and week=#{EntryDate.calculate_week_of(@from.to_time.beginning_of_week)}) or (year=#{@from.year} and week=#{@from.week}))"
        elsif !@from.week.nil? && @from.to_time.end_of_week.year != @from.year
          answer = "((year=#{@from.year} and week=#{@from.week}) or (year=#{@from.year+1} and week=-1))"
        elsif !@from.week.nil?
          answer = "(year=#{@from.year} and week=#{@from.week})"
        else
          answer = "("
          [:year,:month,:day,:hour,:min,:sec].each do |t|
            next if @from.send(t).nil?
            answer += " and " unless answer.size == 1
            answer += "#{t}=#{from.send(t)}"
          end
          answer += ")"
        end
        answer 
    end
  elsif @from.nil? && !@to.nil?
    return case @format
      when :inclusive then "occurred_at <= '#{to_date_to_s}'"
      when :exclusive then "occurred_at < '#{to_date_to_s}'"
      else "1=1"
    end
  else
    return case @format
      when :inclusive then "(occurred_at >= '#{from_date_to_s}' and occurred_at <= '#{to_date_to_s}')"
      when :exclusive then "(occurred_at > '#{from_date_to_s}' and occurred_at < '#{to_date_to_s}')"
      else "1=1"
    end
  end
  
  
end