lib/nos_oignons/member.rb

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