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[gestion-adh.git] / lib / nos_oignons / member.rb
1 require 'safe_yaml'
2 SafeYAML::OPTIONS[:default_mode] = :safe
3
4 module NosOignons
5   MEMBERS_ROOT = 'Membres'
6   MEMBER_FIELDS = [:name, :address, :email, :membership_fee_paid_on]
7   MEMBER_MANDATORY_FIELDS = [:name, :email]
8
9   class Member < Struct.new(*MEMBER_FIELDS)
10     class << self
11       def all
12         Dir.glob("#{MEMBERS_ROOT}/*.mdwn").sort.collect do |file|
13           member_id = File.basename(file).gsub(/\.mdwn$/, '')
14           Member.new(member_id)
15         end
16       end
17
18       def filename_for_id(member_id)
19         "Membres/%06d.mdwn" % member_id
20       end
21
22       def read_from_git(ref, file)
23         IO.popen(['git', 'show', "#{ref}:#{file}"]) do |f|
24           member_id = File.basename(file).gsub(/\.mdwn$/, '')
25           Member.new(member_id, f.read)
26         end
27       end
28     end
29
30     attr_reader :member_id
31
32     def initialize(member_id, page_content=nil)
33       unless member_id =~ /\A\d{6}\z/
34         raise ArgumentError.new('bad member id format')
35       end
36       @member_id = member_id
37       unless page_content
38         page_content = File.open(Member.filename_for_id(member_id)).read
39       end
40       unless page_content.start_with?("---\n")
41         raise ArgumentError.new('content is not a proper YAML document')
42       end
43       data = YAML.load(page_content)
44       MEMBER_FIELDS.each do |field|
45         self[field] = data[field.to_s]
46       end
47       # Immutability for the win
48       MEMBER_FIELDS.each do |field|
49         instance_eval{ undef :"#{field}=" }
50       end
51       MEMBER_MANDATORY_FIELDS.each do |sym|
52         raise ArgumentError.new('missing mandatory fields') unless self[sym]
53       end
54       if membership_fee_paid_on && !membership_fee_paid_on.is_a?(Date)
55         raise ArgumentError.new('membership_fee_paid_on is not a date')
56       end
57     end
58
59     def up_to_date?
60       now = Time.now
61       last_year = Time.new(now.year - 1, now.month, now.day).to_date
62       membership_fee_paid_on && last_year < membership_fee_paid_on
63     end
64   end
65 end