lib/nos_oignons/member.rb

   1 require 'safe_yaml'
   2 SafeYAML::OPTIONS[:default_mode] = :safe
   3
   4 require 'nos_oignons/reminder_db'
   5
   6 module NosOignons
   7   MEMBER_FIELDS = [:name, :address, :email, :joined_on, :membership_fee_paid_on]
   8   MEMBER_MANDATORY_FIELDS = [:name, :email]
   9   # Directory in the board wiki which holds the member pages
  10   MEMBERS_DB_DIR = 'Membres'
  11
  12   class Member < Struct.new(*MEMBER_FIELDS)
  13     class << self
  14       def db_path
  15         if ENV['NOS_OIGNONS_BOARD_WIKI_PATH']
  16           @db_path = File.join(ENV['NOS_OIGNONS_BOARD_WIKI_PATH'], MEMBERS_DB_DIR)
  17         else
  18           return @db_path if @db_path
  19
  20           git_path = `git rev-parse --show-toplevel`.strip
  21           if File.exists?(File.join(git_path, MEMBERS_DB_DIR))
  22             @db_path = File.join(git_path, MEMBERS_DB_DIR)
  23           else
  24             @db_path = File.join(File.expand_path('../wiki-ca', git_path), MEMBERS_DB_DIR)
  25           end
  26         end
  27         @db_path
  28       end
  29
  30       def all
  31         Dir.glob("#{db_path}/*.mdwn").sort.collect do |file|
  32           member_id = File.basename(file).gsub(/\.mdwn$/, '')
  33           Member.new(member_id)
  34         end
  35       end
  36
  37       def filename_for_id(member_id)
  38         case member_id
  39         when String
  40           "#{NosOignons::Member.db_path}/#{member_id}.mdwn"
  41         when Integer
  42           "#{NosOignons::Member.db_path}/%06d.mdwn" % member_id
  43         end
  44       end
  45
  46       def read_from_git(ref, file)
  47         IO.popen(['git', 'show', "#{ref}:#{file}"]) do |f|
  48           member_id = File.basename(file).gsub(/\.mdwn$/, '')
  49           Member.new(member_id, f.read)
  50         end
  51       end
  52     end
  53
  54     attr_reader :member_id
  55
  56     def initialize(member_id, page_content=nil)
  57       unless member_id =~ /\A\d{6}\z/
  58         raise ArgumentError.new('bad member id format')
  59       end
  60       @member_id = member_id
  61       unless page_content
  62         begin
  63           page_content = File.open(Member.filename_for_id(member_id)).read
  64         rescue Errno::ENOENT
  65           raise ArgumentError.new('unknown member')
  66         end
  67       end
  68       unless page_content.start_with?("---\n")
  69         raise ArgumentError.new('content is not a proper YAML document')
  70       end
  71       yaml_content = /\A---\n(.*)\n---\n/m.match(page_content)[1]
  72       data = YAML.load(yaml_content)
  73       MEMBER_FIELDS.each do |field|
  74         self[field] = data[field.to_s]
  75       end
  76       # Immutability for the win
  77       MEMBER_FIELDS.each do |field|
  78         instance_eval{ undef :"#{field}=" }
  79       end
  80       MEMBER_MANDATORY_FIELDS.each do |sym|
  81         raise ArgumentError.new('missing mandatory fields') unless self[sym]
  82       end
  83       [:joined_on, :membership_fee_paid_on].each do |sym|
  84         if self[sym] && !self[sym].is_a?(Date)
  85           raise ArgumentError.new("#{sym.to_s} is not a date")
  86         end
  87       end
  88     end
  89
  90     def up_to_date?
  91       return false if !joined_on || !membership_fee_paid_on
  92
  93       today = Time.now.to_date
  94       expire_on = Time.new(membership_fee_paid_on.year + 1, joined_on.month, joined_on.day).to_date
  95       today <= expire_on
  96     end
  97
  98     def remind(reminder)
  99       reminder.send(self)
 100       ReminderDb.instance.record(self)
 101     end
 102
 103     def reminded_on
 104       ReminderDb.instance.last_reminder(self)
 105     end
 106
 107     def create_reciept!(amount)
 108       require 'nos_oignons/reciept'
 109
 110       reciept = Reciept.new(self, amount)
 111       reciept.create!
 112     end
 113   end
 114 end