cirandas.net

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73

module SplitDatetime

  class << self
    def nil_time
      Time.parse "#{Time.now.hour}:0:0"
    end
    def nil_date
      Date.today
    end

    def to_time datetime
      datetime = self.nil_time if datetime.blank?
      datetime.to_formatted_s :time
    end
    def to_date datetime
      datetime = self.nil_date if datetime.blank?
      datetime.strftime '%d/%m/%Y'
    end
    def set_time datetime, value
      value = if value.blank?
                self.nil_time
              elsif value.kind_of? String
                Time.parse value
              else
                value.to_time
              end
      datetime = self.nil_date if datetime.blank?

      Time.mktime(datetime.year, datetime.month, datetime.day, value.hour, value.min, value.sec).to_datetime
    end
    def set_date datetime, value
      value = if value.blank?
                self.nil_date
              elsif value.kind_of? String
                DateTime.strptime value, '%d/%m/%Y'
              else
                value.to_time
              end
      datetime = nil_time if datetime.blank?

      Time.mktime(value.year, value.month, value.day, datetime.hour, datetime.min, datetime.sec).to_datetime
    end
  end

  module SplitMethods

    def split_datetime attr
      define_method "#{attr}_time" do
        datetime = send attr
        SplitDatetime.to_time datetime
      end
      define_method "#{attr}_date" do
        datetime = send attr
        SplitDatetime.to_date datetime
      end
      define_method "#{attr}_time=" do |value|
        datetime = send attr
        send "#{attr}=", SplitDatetime.set_time(datetime, value)
      end
      define_method "#{attr}_date=" do |value|
        datetime = send attr
        send "#{attr}=", SplitDatetime.set_date(datetime, value)
      end
    end

  end

end

Class.extend SplitDatetime::SplitMethods
ActiveRecord::Base.extend SplitDatetime::SplitMethods