exif.rb in file_data-5.2.0

- old
+ new

@@ -1,11 +1,14 @@
 require_relative 'exif_reader'
 require_relative 'exif_jpeg'
+require 'time'
 
 module FileData
   # Convenience class for extracting exif data from a file or stream
   class Exif
+    ['.jpeg', '.jpg'].each { |e| FileInfo.info_maps[e] = Exif }
+
     # Create methods that forward to ExifReader
     # Each method requires the stream as a parameter to help the user
     # fall into a "pit of success" by only opening and closing
     # the stream once to get data
     ExifReader.public_instance_methods(false).each do |method_name|
@@ -21,12 +24,21 @@
       end
     end
 
     def self.streamify(input)
       if input.is_a?(String)
-        File.open(input, 'rb') { |f| yield f }
+        ::File.open(input, 'rb') { |f| yield f }
       else
         yield input
       end
+    end
+
+    def self.creation_date(input)
+      raw_tag = FileData::Exif.only_image_tag(input, [34_665, 36_867])
+      Time.strptime(raw_tag, '%Y:%m:%d %H:%M:%S') unless raw_tag.nil?
+    end
+
+    def self.origin_date(input)
+      creation_date(input)
     end
   end
 end