olympiamanagement/app/controllers/admin/olympiamanagements_controller.rb

class Admin::OlympiamanagementsController < OrbitAdminController
	require 'spreadsheet'
	require 'rubyXL'
	require 'fileutils'
	require "axlsx"
	before_action :create_first_fields
	helper Admin::OlympiamanagementsHelper
	load File.expand_path(__dir__)+'/zipgenerator.rb'
	def index
		session[:sign_up_setting_id] = ""
		page_num = params[:page] || 1
		@sign_up_settings = SignUpSetting.all.desc(:id)
		@sign_up_settings = @sign_up_settings.page(page_num).per(10)
	end
	def add_school_data
		SchoolDataFields.create if SchoolDataFields.all.count == 0
		@SchoolDataField = SchoolDataFields.first
		@olympia_school_data_field = (params[:id].nil? ? OlympiaSchoolDataFields.new : ((OlympiaSchoolDataFields.find(params[:id]).nil? rescue true) ? OlympiaSchoolDataFields.new : OlympiaSchoolDataFields.find(params[:id])))
	end
	def update_sign_up_data
		if params[:type] == "delete_old_data"
			@students = OlympiaStudentDataField.where(:sign_up_setting_id=>@sign_up_setting.id)
			@error_msg = []
			if @students.length !=0
				@students.destroy_all
				@error_msg << ((I18n.locale.to_s == "zh_tw") ? "已刪除#{@students.length}筆學生資料" : "Already delete #{@students.length} student data.")
			else
				@error_msg << ((I18n.locale.to_s == "zh_tw") ? "尚無學生資料" : "There is no student data yet.")
			end
			render 'error_message'
		elsif params[:type] == "active"
			@sign_up_setting = SignUpSetting.find(params[:id]) rescue nil
			if !@sign_up_setting.nil?
				@sign_up_setting.active = true
				@sign_up_setting.save
			end
			redirect_to :back
		elsif params[:type] == "view"
			@sign_up_setting = SignUpSetting.find(params[:id]) rescue nil
			if !@sign_up_setting.nil?
				session[:sign_up_setting_id] = params[:id]
				redirect_to admin_olympiamanagements_school_data_list_path
			else
				@error_msg = []
				@error_msg << ((I18n.locale.to_s == "zh_tw") ? "查無資料" : "Not found.")
				render 'error_message'
			end
		elsif params[:type] == "delete_sign_up_setting"
			@sign_up_setting = SignUpSetting.find(params[:id]) rescue nil
			if !@sign_up_setting.nil?
				@sign_up_setting.destroy
				redirect_to :back
			else
				@error_msg = []
				@error_msg << ((I18n.locale.to_s == "zh_tw") ? "查無資料" : "Not found.")
				render 'error_message'
			end
		else
			render :html => '404' and return
		end
	end
	def update_school_data
		if params[:type] == 'class_setting'
			@ClassSettingField = (params[:id].nil? ? ClassSettingFields.new : ((ClassSettingFields.find(params[:id]).nil? rescue true) ? ClassSettingFields.new : ClassSettingFields.find(params[:id])))
			@ClassSettingField.class_number_range = params[:class_number_range].map{|num| num.to_i}
			@ClassSettingField.enrollment_available = params[:enrollment_available].to_i
			@ClassSettingField.save
			render :json => {'success'=>true} and return
		elsif params[:type] == 'class_setting_for_form'
			@ClassSettingField = (params[:id].nil? ? ClassSettingFields.new : ((ClassSettingFields.find(params[:id]).nil? rescue true) ? ClassSettingFields.new : ClassSettingFields.find(params[:id])))
			@ClassSettingField.class_number_range = [params[:MinClass],params[:MaxClass]].map{|str| str.to_i}.sort
			@ClassSettingField.enrollment_available = params[:Person].to_i
			@ClassSettingField.save
			redirect_to admin_olympiamanagements_class_setting_path
		elsif params[:type] == 'delete_class_setting'
			if !params[:id].to_s.blank?
				begin
					ClassSettingFields.find(params[:id]).destroy
				rescue
					puts 'not_found id='+params[:id]+' in ClassSettingFields'
				end
				redirect_to :back
			end
		elsif params[:type] == 'delete_school_data'
			if !params[:id].to_s.blank?
				begin
					OlympiaSchoolDataFields.find(params[:id]).destroy
				rescue
					puts 'not_found id='+params[:id]+' in OlympiaSchoolDataFields'
				end
				redirect_to :back
			end
		elsif params[:type] == 'add_school_data'
			@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:id]) rescue nil
			if @olympia_school_data_field.nil?
				if OlympiaSchoolDataFields.where(:account_number => params['add_school_data']['account_number'],:sign_up_setting_id=>@sign_up_setting.id).length != 0
					@error_msg = []
					@error_msg << ((I18n.locale.to_s == "zh_tw") ? "帳號:#{params['add_school_data']['account_number']}已存在(帳號不可重複建立)" : "Account number: #{params['add_school_data']['account_number']} already exist.(Account name can not be created repeatedly.)")
					render "error_message" and return
				end
				@olympia_school_data_field = OlympiaSchoolDataFields.new
			else
				if @olympia_school_data_field.account_number != params['add_school_data']['account_number']
						if OlympiaSchoolDataFields.where(:account_number => params['add_school_data']['account_number'],:sign_up_setting_id=>@sign_up_setting.id).length != 0
						@error_msg = []
						@error_msg << ((I18n.locale.to_s == "zh_tw") ? "帳號:#{params['add_school_data']['account_number']}已存在(帳號不可重複建立)" : "Account number: #{params['add_school_data']['account_number']} already exist.(Account name can not be created repeatedly.)")
						render "error_message" and return
					end
				end
			end
			params['add_school_data'].keys.each do |field|
				@olympia_school_data_field[field] = params['add_school_data'][field]
			end
			@olympia_school_data_field.sign_up_setting_id = @sign_up_setting.id
			@olympia_school_data_field.save
			redirect_to admin_olympiamanagements_school_data_list_path
		elsif params[:type] == 'import_class_setting'
			if params[:upload_file].nil?
				redirect_to admin_olympiamanagements_import_editing_number_of_school_class_path+'?error=true'
			else
				import_class_setting
			end
		elsif params[:type] == 'approved'
			@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:id]) rescue nil
			if @olympia_school_data_field.nil?
				render_404_html
			else
				@olympia_school_data_field.approved = true
				@olympia_school_data_field.save
				redirect_to :back
			end
		elsif params[:type] == 'unapproved'
			@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:id]) rescue nil
			if @olympia_school_data_field.nil?
				render_404_html
			else
				@olympia_school_data_field.approved = false
				@olympia_school_data_field.save
				redirect_to :back
			end
		elsif params[:type] == 'sign_up_setting'
			@sign_up_params = params.require(:sign_up_setting).permit!
			if params[:new_sign_up] == "true"
				#render :html => @sign_up_params and return
				SignUpSetting.create(@sign_up_params)
				redirect_to :back
			else
				@sign_up_setting = SignUpSetting.find(params[:id]) rescue SignUpSetting.where(:active=>true).last
				if @sign_up_setting.nil?
					render_404_html
				else
					@sign_up_setting.update_attributes(@sign_up_params)
					redirect_to :back
				end
			end
		else
			render :html => params and return
		end
	end
	def render_404_html
		render :html => File.read('app/views/errors/404.html').html_safe
	end
	def school_data_list
		@SchoolDataField = SchoolDataFields.first
		@SchoolDataname = @SchoolDataField.school_data_fields.map{|field| field.keys[0]}
		page_num = params[:page] || 1
		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.where(:sign_up_setting_id=>@sign_up_setting.id).asc(:id)
		@OlympiaSchoolDataFields = @OlympiaSchoolDataFields.where("school_name" => /#{params[:school_name].gsub('(','\(').gsub(')','\)').gsub('[','\[').gsub(']','\]')}/) if !params[:school_name].to_s.blank?
		@OlympiaSchoolDataFields = @OlympiaSchoolDataFields.where("school_code" => /#{params[:school_code]}/) if !params[:school_code].to_s.blank?
		@OlympiaSchoolDataFields = @OlympiaSchoolDataFields.page(page_num).per(10)
	end
	def class_setting
		page_num = params[:page] || 1
		@class_setting_list = ClassSettingFields.all.asc(:enrollment_available).page(page_num).per(10)
		@ClassSettingField = (params[:id].nil? ? nil : ((ClassSettingFields.find(params[:id]).nil? rescue true) ? nil : ClassSettingFields.find(params[:id])))
	end
	def import_class_setting
		if !params[:upload_file].blank?
			flag = read_xlsx_temp_file_and_import_class_setting(params[:upload_file].tempfile,params[:upload_file].original_filename)
			if flag == true
				redirect_to admin_olympiamanagements_school_data_list_path
			else
				render 'import_error_msg'
			end
		end
	end
	def read_xlsx_temp_file_and_import_class_setting(tempfile,filename)
		import_class_setting_check(tempfile,filename)
		if !@error_msg.empty?
			return false
		else
			@error_msg = Array.new
			@filename = filename.nil? ? tempfile.path : filename
			workbook = RubyXL::Parser.parse(tempfile)
			sheet = workbook[0].sheet_data.rows
			flag = 1
			sheet.each_with_index do |raw_row,index|
				row = raw_row.cells.map{ |cell| (cell.nil?) ? '' : cell.value } rescue nil
				if row.nil?
					next
				end
				if flag == 1
					flag = 0
				else
					#@error_msg << @row_index_hash and return false
					@olympia_school_data_field = OlympiaSchoolDataFields.where(:school_code=> row[@row_index_hash["school_code"]],:sign_up_setting_id=>@sign_up_setting.id).first
					@olympia_school_data_field = OlympiaSchoolDataFields.new() if @olympia_school_data_field.nil?
					@update_attributes = @row_index_hash.map{|key,index| [key,row[index]]}.to_h
					@olympia_school_data_field.update_attributes(@update_attributes)
				end
			end
			return true
		end
	end
	def import_class_setting_check(tempfile,filename)
		@profile_data_row = [ "school_code", "school_name" , "school_address" ,"class_number","enrollment_limited","school_contact_person_name","department_job_title","office_tel_number","fax","mobile_number","email","enrollment"]
		@error_msg = Array.new
		@filename = filename.nil? ? tempfile.path : filename
		@row_index_hash = {}
		begin
			workbook = RubyXL::Parser.parse(tempfile)
		rescue 
			@error_msg << filename+'格式錯誤'
			return @error_msg
		end
		sheet = workbook[0].sheet_data.rows
		flag = 1
		sheet.each_with_index do |raw_row,index|
			begin
				row = raw_row.cells.map{ |cell| (cell.nil?) ? '' : cell.value } rescue nil
			rescue
				@error_msg << filename+'格式錯誤'
				return @error_msg
			end
			if row.nil?
				next
			end
			if flag == 1
				@field_data = row
				delete_array = []
				@profile_data_row.each do |row_key|
					if !@field_data.include?(t('olympiamanagement.'+row_key))
						delete_array << row_key
					else
						@row_index_hash[row_key] = @field_data.index(t('olympiamanagement.'+row_key))
					end
				end
				delete_array.each{|element| @profile_data_row.delete(element)}
				flag = 0
			else
				#@error_msg << @row_index_hash and return
				if(row[@row_index_hash["school_code"]] == "" rescue true)
					begin
						@error_msg << @filename+"中#{make_alpha_from_numbers(@row_index_hash['school_code'])}#{index+1}欄位學校代碼不符(該欄位值不可為空)。" 
					rescue 
						@error_msg << "#{@filename}檔案格式錯誤"
						return
					end
				end
			end
		end
	end
	def make_alpha_from_numbers(number)
		@numeric = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		if number < @numeric.size
		  @a = @numeric[number]
		else
		  @dev_by = (number/@numeric.size).floor
		  @a = "#{make_alpha_from_numbers(@dev_by-1)}#{make_alpha_from_numbers(number-(@dev_by*@numeric.size))}";
		end
	end
	def sign_up_setting
		@site_locales = Site.first.in_use_locales
		@site_locales.delete(I18n.locale)
		@site_locales.insert(0,I18n.locale)
	end
	def export_school_connection_data
		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.where(:sign_up_setting_id=>@sign_up_setting.id).asc(:id)
		dir_path = 'tmp/olypiamanagement/'
		#FileUtils.rm_r(dir_path, :force => true) if Dir.exist?(dir_path)
		FileUtils.mkdir dir_path if !Dir.exist?(dir_path) #create dir for storing tmp_file if dir doesn't exist
		@filename = 'school_export.xlsx'
		Dir.chdir(dir_path) do 
			File.open(@filename, 'w') do |f|
				f.write render_to_string( :handlers=> [:axlsx], :formats=> [:xlsx] ,:partial=> 'school_export.xlsx',:locals=> {:@OlympiaSchoolDataFields=>@OlympiaSchoolDataFields} )
			end
		end
		tmp_filename_data = File.read(dir_path +@filename)
		send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: @filename)
	end
	def sign_up_student_data_list
		page_num = params[:page] || 1
		@field_infos = StudentDataField.first.student_data_fields
		@sign_up_setting_id = @sign_up_setting.id
		@student_fields = OlympiaStudentDataField.where(:olympia_school_data_fields_id=>params[:olympia_school_id],:sign_up_setting_id=>@sign_up_setting_id).asc(:id).page(page_num).per(10)
	end
	def export_sign_up_student_data
		@student_data_fields = OlympiaStudentDataField.all.asc(:id)
		dir_path = 'tmp/olypiamanagement/'
		#FileUtils.rm_r(dir_path, :force => true) if Dir.exist?(dir_path)
		FileUtils.mkdir dir_path if !Dir.exist?(dir_path) #create dir for storing tmp_file if dir doesn't exist
		@field_infos = (StudentDataField.first || StudentDataField.new).student_data_fields
		@student_data_list = []
		@fields = [ "school_code", "school_name" , "StudentName" ,"StudentSex","StudentIDNO","birth_date","StudentClass","StudentPhone","StudentCode","StudentAddress","StudentArea","StudentIdentity"]
		@student_data_fields.each do |field|
			@tmp_student_data = []
			@fields.each do |field_name|
				@value = field[field_name] rescue ""
				@index = @field_infos.map{|hash| hash.keys[0]}.index(field_name) rescue nil
				if !@index.nil?
					if !['String','Year','select_num','File'].include?(@field_infos.map{|hash| hash.values[0]}[@index]['type'])
						@value = (@field_infos.map{|hash| hash.values[0]}[@index]['values'][I18n.locale.to_s][@value.to_i].to_s rescue @value)
					end
				else
					if field_name == 'birth_date'
						@value = "#{field.StudentBirthYear}-#{field.StudentBirthMonth}-#{field.StudentBirthDay}"
					else
						@school = OlympiaSchoolDataFields.find(field.olympia_school_data_fields_id) rescue nil
						if !@school.nil?
							@value = @school[field_name].to_s
						end
					end
				end
				@tmp_student_data << @value
			end
			@student_data_list << @tmp_student_data
		end
		#render :html => @student_data_list and return
		if @student_data_list.empty?
			@error_msg = []
			@error_msg << ((I18n.locale.to_s == "zh_tw") ? "尚無學生資料" : "There is no student data yet.")
			render 'error_message'
		else
			@filename = 'student_export.xlsx'
			Dir.chdir(dir_path) do 
				File.open(@filename, 'w') do |f|
					f.write render_to_string( :handlers=> [:axlsx], :formats=> [:xlsx] ,:partial=> 'student_export.xlsx',:locals=> {:@student_data_list=>@student_data_list,:@fields=>@fields} )
				end
			end
			tmp_filename_data = File.read(dir_path +@filename)
			send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: @filename)
		end
	end
	def download_scan_file_of_certificate
		@sign_up_setting_id = @sign_up_setting.id
		if !params[:student_id].to_s.blank?
			@student = OlympiaStudentDataField.find(params[:student_id]) rescue nil
			if @student.nil?
				redirect_to :back
			else
				tmp_filename_data = @student.olympia_student_images.last.student_file.file.read
				send_data(tmp_filename_data, type: 'image/jpg', disposition: 'attachment', filename: "#{@student.StudentName}.jpg")
			end
		else
			@student_data_list = OlympiaStudentDataField.where(:sign_up_setting_id=>@sign_up_setting_id)
			@student_data_image_path_arr = @student_data_list.flat_map{|student_data| student_data.olympia_student_images}.map{|student_image| student_image.student_file.file.file}
			zip_path = "tmp/student_images/#{@sign_up_setting_id}/"
			tmp_filename = ''
			FileUtils.rm_r(zip_path, :force => true) if Dir.exist?(zip_path)
			FileUtils.mkdir_p zip_path #create dir for storing tmp_file
			@student_data_image_path_arr.each do |image_path|
				@pathname = Pathname.new(image_path)
				@temp_name = @pathname.basename
				Dir.chdir(@pathname.dirname.to_s) do
					@index = 1
					@original_filename =@pathname.basename.to_s
					@new_pathname = Pathname.new("#{Rails.root}/#{zip_path}#{@original_filename}")
					while @new_pathname.exist? do
						@new_pathname = Pathname.new(@new_pathname.to_s.insert(@new_pathname.to_s.rindex('.'),"-#{@index}"))
						@index += 1
					end
					FileUtils.cp(@original_filename,@new_pathname)
				end
			end
			if !@student_data_image_path_arr.empty?
				@filename = Pathname.new(zip_path).parent.to_s+"/#{Time.now.strftime('%Y_%m_%d')}_student_images.zip"
				zip_file= ZipFileGenerator.new(zip_path,@filename)
				begin
					zip_file.write
				rescue
					File.delete(@filename)
					zip_file.write
				end
				tmp_filename_data = File.read(@filename)
				send_data(tmp_filename_data, type: 'application/zip', disposition: 'attachment', filename: Pathname.new(@filename).basename.to_s)
			else
				@error_msg = []
				@error_msg << ((I18n.locale.to_s == "zh_tw") ? "尚無學生獎狀掃描檔案。" : 'There is no scan file of certificate yet.' )
				render 'error_message'
			end
		end
	end
	def add_sign_up_student_data
		@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:school_id]) rescue nil
		redirect_to :back if @olympia_school_data_field.nil?
		@required_fields = [:school_contact_person_name,:department_job_title,:office_tel_number,:fax,:mobile_number,:email]
		@error_msg = []
		@flag = true
		@required_fields.each do |field|
			if @olympia_school_data_field[field].to_s.blank?
				@flag = false
				break
			end
		end
		if !@flag
			I18n.t('olympiamanagement.please_set_school_connect_data')
			@error_msg << "<p><a href=#{school_connection_data_olympiamanagements_path}>#{I18n.t('olympiamanagement.please_set_school_connect_data')}</a></p>".html_safe
			render 'error_message'
		else
			@student_data_field = StudentDataField.first
			@olympia_student_data = (OlympiaStudentDataField.find(params[:id]) rescue OlympiaStudentDataField.new)
		end
	end
	def update_student_data
		if params[:type] == 'add_student_data'
			@error_msg = []
			@student_params = params.require(:add_student_data).permit!
			@all_fields_name = (StudentDataField.first || StudentDataField.new).student_data_fields.map{|hash| hash.keys[0]}
			if @student_params.select{|key,value| !value.to_s.blank?}.count < @all_fields_name.slice(0,@all_fields_name.count-1).count
				@error_msg << "缺少#{@all_fields_name.slice(0,@all_fields_name.count-1).count-@student_params.select{|key,value| !value.to_s.blank?}.count}個欄位值"
			end
			@student_params.select{|key,value| value.to_s.blank?}.keys.each do |key|
				@error_msg << "#{I18n.t('olympiamanagement.'+key)}欄位值為空"
			end
			@id_error_msg = checkid(@student_params['StudentIDNO'])
			if @id_error_msg.length != 0
				@error_msg << @id_error_msg
			end
			if @student_params['StudentIdentity'] == '1' && (@student_params['olympia_student_images']['0']['StudentFile'].nil? rescue true)
				@error_msg << I18n.t('olympiamanagement.StudentFile')
			end
			@olympia_school_data_field = OlympiaSchoolDataFields.find(params[:school_id]) rescue nil
			@enrollment_limited = ((@olympia_school_data_field.enrollment_limited.nil? || @olympia_school_data_field.enrollment_limited == 0) ? ClassSettingFields.all.select{|class_setting_field| class_setting_field.class_number_range[0] <= @olympia_school_data_field.class_number.to_i && class_setting_field.class_number_range[1] >= @olympia_school_data_field.class_number.to_i}.first.enrollment_available.to_i : @olympia_school_data_field.enrollment_limited.to_i)
			@student_fields = OlympiaStudentDataField.where(:olympia_school_data_fields_id=>params[:school_id],:sign_up_setting_id=>@sign_up_setting_id)
			@olympia_student_data = OlympiaStudentDataField.find(params[:id]) rescue nil
			extra_num = 0
			extra_num = 1 if(@olympia_student_data.nil? && @student_params['StudentIdentity'] != '1')
			if (@student_fields.length + extra_num) > @enrollment_limited
				@error_msg << ((I18n.locale.to_s == "zh_tw") ? ("一般身分報名人數上限為 #{@enrollment_limited} 人。") : ("Enrollment limited of General identity is #{@enrollment_limited} people."))
				@error_msg << I18n.t('olympiamanagement.already_exceed_enrollment_limited')
			end
			if @error_msg.empty?
				@olympia_student_data = OlympiaStudentDataField.find(params[:id]) rescue nil
				if @olympia_student_data.nil?
					@olympia_student_data = OlympiaStudentDataField.create(@student_params)
					@olympia_student_data.olympia_school_data_fields_id = @olympia_school_data_field.id
					@olympia_student_data.sign_up_setting_id = @sign_up_setting.id
					@olympia_student_data.save
				else
					@olympia_student_data.update_attributes(@student_params)
				end
				redirect_to admin_olympiamanagements_sign_up_student_data_list_path+"?olympia_school_id=#{params[:school_id]}"
			else
				render 'error_message'
			end
		elsif params[:type] == 'delete_student_data'
			@olympia_student_data = OlympiaStudentDataField.find(params[:id]) rescue nil
			@olympia_student_data.destroy if !@olympia_student_data.nil?
			redirect_to :back
		else
			render :html => '404'
		end
	end
	def import_editing_number_of_school_class
		@olympia_school_data_field = OlympiaSchoolDataFields.new
	end
	def create_first_fields
		StudentDataField.create if StudentDataField.all.length == 0
		SchoolDataFields.create if SchoolDataFields.all.length == 0
		SignUpSetting.create if SignUpSetting.all.length == 0
		@sign_up_setting
		if session[:sign_up_setting_id].blank?
			@sign_up_setting = SignUpSetting.where(:active=>true).last
		else
			@sign_up_setting = SignUpSetting.find(session[:sign_up_setting_id]) rescue nil
		end
		if SignUpSetting.where(:active=>true).last.nil?
			@sign_up_setting = SignUpSetting.last if @sign_up_setting.nil?
			@sign_up_setting.active = true
			@sign_up_setting.save
		end
	end
	def download_import_file
		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.where(:sign_up_setting_id=>@sign_up_setting.id).asc(:id)
		dir_path = 'tmp/olypiamanagement/'
		#FileUtils.rm_r(dir_path, :force => true) if Dir.exist?(dir_path)
		FileUtils.mkdir dir_path if !Dir.exist?(dir_path) #create dir for storing tmp_file if dir doesn't exist
		@filename = 'import_schoo_class_setting.xlsx'
		Dir.chdir(dir_path) do 
			File.open(@filename, 'w') do |f|
				f.write render_to_string( :handlers=> [:axlsx], :formats=> [:xlsx] ,:partial=> 'import_schoo_class_setting.xlsx',:locals=> {:@OlympiaSchoolDataFields=>@OlympiaSchoolDataFields} )
			end
		end
		tmp_filename_data = File.read(dir_path +@filename)
		send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: "#{Time.now.year}#{Time.now.month}#{Time.now.day}_import_schoo_class_setting.xlsx")
	end
	def checkid(id_number)
		@ALP_STR = "ABCDEFGHJKLMNPQRSTUVXYWZIO"
		@NUM_STR = "0123456789"
		def CheckPID(id_number)
		    @sMsg = ""
		    sPID = id_number
		    if(sPID == '')
		        @sMsg = "請輸入身分證字號"
		    elsif (sPID.length != 10)
		        @sMsg = "身分證字號長度應為 10 ！"
		    else
		        sPID = sPID.upcase.strip
		        @sMsg = chkPID_CHAR(sPID)
		        if (@sMsg.length != 0)
		        	return @sMsg
		        end
		        @iChkNum = getPID_SUM(sPID)
		        if (@iChkNum % 10 != 0)
		            iLastNum = sPID[9].to_i
		            for i in 0 .. 10
		                xRightAlpNum = @iChkNum - iLastNum + i
		                if ((xRightAlpNum % 10) == 0) 
		                    @sMsg = "身分證字號最後一個數應為：#{i}"
		                    break
		                end
		            end
		        end
		    end
		    return @sMsg;
		end
		# 身分證字號檢查器 - 檢查合法字元
		def chkPID_CHAR(sPID)
		    @sMsg = ""
		    #sPID = sPID.upcase.strip;
		    iPIDLen = String(sPID).length
		    sChk = @ALP_STR + @NUM_STR
		    for i in 0 ... iPIDLen
		        if (sChk.index(sPID[i]) < 0)
		            @sMsg = "這個身分證字號含有不正確的字元！"
		            break
		        end
		    end
		    if (@sMsg.length == 0)
		        if (@ALP_STR.index(sPID[0]) < 0)
		            @sMsg = "身分證字號第 1 碼應為英文字母(A~Z)。"
		        elsif ((sPID[1] != "1") && (sPID[1] != "2"))
		            @sMsg = "身分證字號第 2 碼應為數字(1~2)。"
		        else 
		            for i in 2 ... iPIDLen
		                if (@NUM_STR.index(sPID[i]) < 0)
		                    @sMsg = "第 #{i + 1} 碼應為數字(0~9)。"
		                    break
		                end
		            end
		        end
		    end
		    return @sMsg
		end
		#身份證字號檢查器 - 累加檢查碼
		def getPID_SUM(sPID)
		    @iChkNum = 0
		    #第 1 碼
		    @iChkNum = @ALP_STR.index(sPID[0]) + 10
		    @iChkNum = (@iChkNum / 10) + (@iChkNum % 10 * 9)
		    # 第 2 - 9 碼
		    for i in 1 ... (sPID.length - 1)
		        @iChkNum += sPID[i].to_i * (9 - i)
		    end
		    # 第 10 碼
		    @iChkNum += sPID[9].to_i;
		    return @iChkNum;
		end
		return CheckPID(id_number);
	end
end