split_datetime.rb
1.87 KB
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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