app/models/wareki.rb
# coding: utf-8
require 'ostruct'
class Wareki < ActiveRecord::Base
attr_accessible :display_name, :note, :short_name, :year_from, :year_to
validates :display_name, :presence => true
validates :short_name, :presence => true
validates :year_from, :numericality => {:only_integer => true}, :allow_blank => false
validates :year_to, :numericality => {:only_integer => true}, :allow_blank => true
#see: http://ja.wikipedia.org/wiki/%E5%85%83%E5%8F%B7%E4%B8%80%E8%A6%A7_(%E6%97%A5%E6%9C%AC)
GENGOUS = {"寛政" => OpenStruct.new({:from=>'17890219', :to=>'18010319'}),
"享和" => OpenStruct.new({:from=>'18010319', :to=>'18040322'}),
"文化" => OpenStruct.new({:from=>'18040322', :to=>'18180526'}),
"文政" => OpenStruct.new({:from=>'18180526', :to=>'18310123'}),
"天保" => OpenStruct.new({:from=>'18310123', :to=>'18450109'}),
"弘化" => OpenStruct.new({:from=>'18440109', :to=>'18480401'}),
"嘉永" => OpenStruct.new({:from=>'18480401', :to=>'18550115'}),
"安政" => OpenStruct.new({:from=>'18550115', :to=>'18600408'}),
"万延" => OpenStruct.new({:from=>'18600408', :to=>'18610329'}),
"文久" => OpenStruct.new({:from=>'18610329', :to=>'18640327'}),
"元治" => OpenStruct.new({:from=>'18640327', :to=>'18650501'}),
"慶応" => OpenStruct.new({:from=>'18650501', :to=>'18681023'}),
"明治" => OpenStruct.new({:from=>'18681023', :to=>'19120730'}),
"M" => OpenStruct.new({:from=>'18681023', :to=>'19120730'}),
"大正" => OpenStruct.new({:from=>'19120730', :to=>'19261225'}),
"T" => OpenStruct.new({:from=>'19120730', :to=>'19261225'}),
"昭和" => OpenStruct.new({:from=>'19261225', :to=>'19890107'}),
"S" => OpenStruct.new({:from=>'19261225', :to=>'19890107'}),
"平成" => OpenStruct.new({:from=>'19890108', :to=>'20991231'}),
"H" => OpenStruct.new({:from=>'19890108', :to=>'20991231'}),
}
def self.wareki2yyyy(gengou, yy)
return nil unless GENGOUS.key?(gengou)
if yy.class == String
yyi = yy.to_i
else
yyi = yy
end
#FIXME : なんかうまいこと３項演算子がつかえない
#return (GENGOUS[gengou].to_i - 1 + (yy.class == String)?(yy.to_i):(yy))
return (GENGOUS[gengou].from[0..3].to_i) - 1 + yyi
end
def self.generate_merge_range(pub_date_from_str, pub_date_to_str)
if pub_date_from_str.present?
from4, to4 = Wareki.hiduke2yyyymmdd_sub(pub_date_from_str)
end
if pub_date_to_str.present?
from5, to5 = Wareki.hiduke2yyyymmdd_sub(pub_date_to_str)
end
from0 = from4
to0 = (to5.present?)?(to5):(to4)
return from0, to0
end
def self.hiduke2yyyymmdd_sub(datestr)
yyyymmdd_from = nil
yyyymmdd_to = nil
dfrom = nil
dto = nil
return nil, nil if datestr.blank?
orgstr = datestr.dup
pattern_hash = {"一"=>'1', "二"=>'2', "三"=>'3', "四"=>'4', "五"=>'5',
"六"=>'6', "七"=>'7', "八"=>'8', "九"=>'9', "〇"=>'0',
"元"=>'1',
}
datestr.strip!
datestr.delete!("[]?？()（）")
datestr.delete!(" ") # 半角全角スペースを削除
datestr = NKF.nkf('-m0Z1 -w', datestr) # 全角数字を半角に変換
datestr.gsub!(/[一二三四五六七八九〇元]/, pattern_hash) # 漢数字を半角数字に変換
datestr.upcase! # アルファベット半角小文字を半角大文字に変換
datestr.gsub!(".", "/")
begin
#i = GENGOUS.keys.index(datestr[0, 2])
headstr = datestr[0, 2]
i = nil
GENGOUS.each_with_index do |a, index|
if headstr.index(a[0]) == 0
i = index ; break
end
end
if i.present?
#puts "i=#{i} key=#{GENGOUS.keys[i]} datestr=#{datestr}"
datestr.gsub!("年", "/")
datestr.gsub!("月", "/")
datestr.gsub!("日", "/")
# 和暦
if datestr.match(/^(#{GENGOUS.keys[i]})(\d{1,2})\/(\d{1,2})\/(\d{1,2})/)
#puts "match1 1=#{$1} 2=#{$2} 3=#{$3} 4=#{$4}"
syyyy = wareki2yyyy($1, $2.to_i)
dfrom = dto = Date.new(syyyy, $3.to_i, $4.to_i)
elsif datestr.match(/(#{GENGOUS.keys[i]})(\d{1,2})\/(\d{1,2})/)
#puts "match1 1=#{$1} 2=#{$2} 3=#{$3} 4=#{$4}"
syyyy = wareki2yyyy($1, $2)
dfrom = Date.new(syyyy, $3.to_i)
dto = Date.new(syyyy, $3.to_i).end_of_month
elsif datestr.match(/(#{GENGOUS.keys[i]})(\d{1,2})/)
#puts "match1 1=#{$1} 2=#{$2} 3=#{$3} 4=#{$4}"
syyyy = wareki2yyyy($1, $2)
dfrom = Date.new(syyyy)
dto = Date.new(syyyy).end_of_year
else
i = GENGOUS.keys.index(datestr)
if i.present?
dfrom = Date.strptime(GENGOUS[datestr].from, '%Y%m%d')
dto = Date.strptime(GENGOUS[datestr].to, '%Y%m%d')
else
puts "format error (2) #{datestr}"
end
end
yyyymmdd_from = dfrom.strftime("%Y%m%d") if dfrom
yyyymmdd_to = dto.strftime("%Y%m%d") if dto
elsif datestr.match(/^\d{4}/)
datestr.gsub!("年", "/")
datestr.gsub!("月", "/")
datestr.gsub!("日", "/")
#puts "datestr=#{datestr}"
# 西暦
if datestr.match(/^(\d{4})\/(\d{1,2})\/(\d{1,2})/)
dfrom = dto = Date.new($1.to_i, $2.to_i, $3.to_i)
elsif datestr.match(/^(\d{4})\/(\d{1,2})/)
dfrom = Date.new($1.to_i, $2.to_i)
dto = Date.new($1.to_i, $2.to_i).end_of_month
elsif datestr.match(/^(\d{4})/)
dfrom = Date.new($1.to_i)
dto = Date.new($1.to_i).end_of_year
else
puts "format error (3) #{datestr}"
end
yyyymmdd_from = dfrom.strftime("%Y%m%d") if dfrom
yyyymmdd_to = dto.strftime("%Y%m%d") if dto
else
puts "format error (1) #{datestr}"
end
rescue
puts "format error (9) msg=#{$!}"
puts "datestr=#{datestr}"
puts $@
end
return yyyymmdd_from, yyyymmdd_to
end
def self.hiduke2yyyymmdd(datestr)
# 西暦もしくは和暦をYYYYMMDD(from,to)の範囲に変換する。
# 半角のハイフンが存在する場合は範囲として認識する。
# 一致しない場合は、nil,nil を返す
# 昭和49年 => 19740101,19741231
# 昭和49年3月 => 19740301,19740331
# 昭和49年3月9日 => 19740309,19740309
# 昭和49年 - 昭和50年 => 19740101,19751231
# 昭和49年3月9日 - 昭和54年8月4日 => 19740309,19790804
# 1974 => 19740101,19741231
# 1974/3/9 - 1975/8/4 => 19740309,19790804
return nil, nil if datestr.blank?
yyyymmdd_from = nil
yyyymmdd_to = nil
from0, to0, from1, to1 = nil, nil, nil, nil
datestr.sub!('－', '-')
datestr.sub!('ー', '-')
datestr.sub!('〜', '-')
datestr.sub!('～', '-')
datestrs = datestr.split('-')
#puts "datestr0=#{datestrs[0]} datestr1=#{datestrs[1]}"
from0, to0 = hiduke2yyyymmdd_sub(datestrs[0])
from1, to1 = hiduke2yyyymmdd_sub(datestrs[1]) if datestrs[1].present?
yyyymmdd_from = from0
yyyymmdd_to = to0
yyyymmdd_to = to1 if datestrs[1].present?
return yyyymmdd_from, yyyymmdd_to
end
end