Module: MediaOrganizer::Image

Defined in:
lib/scrapers/image.rb

Defined Under Namespace

Classes: FileNotFoundError

Constant Summary collapse

SUPPORTED_FILETYPES = 
%w{.jpg .tif}

Class Method Summary collapse

Class Method Details

.getJpegData(file) ⇒ Hash

Returns metadata fields associated with the file provided as input.

Parameters:

  • file (String) —

    URI for the file from which to pull metadata

Returns:

  • (Hash) —

    metadata fields associated with the file provided as input



12
13
14
15
16
 
# File 'lib/scrapers/image.rb', line 12

def Image.getJpegData(file)
  meta = EXIFR::JPEG.new(file)
  return meta.to_hash
  #!!! Rescue from common file-related and exifr-related errors here
end

.getTiffData(file) ⇒ Object 



18
19
20
21
22
 
# File 'lib/scrapers/image.rb', line 18

def Image.getTiffData(file)
  meta = EXIFR::TIFF.new(file) 
  return meta.to_hash
  #!!! Rescue from common file-related and exifr-related errors here
end

.is_image?(uri) ⇒ Boolean

Returns:

  • (Boolean) 


28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/scrapers/image.rb', line 28

def Image.is_image?(uri)
  unless !uri.nil? && uri.is_a?(String) && File.exists?(uri)
    raise FileNotFoundError, "Directory given (#{uri}) could not be accessed."
  end

  if SUPPORTED_FILETYPES.include?(File.extname(uri).downcase)
    return true
  else
    return false
  end

rescue FileNotFoundError => e
  puts e.message
  puts e.backtrace.inspect
  return false
end

.supported_filetypes ⇒ Object 



24
25
26
 
# File 'lib/scrapers/image.rb', line 24

def Image.supported_filetypes
  return SUPPORTED_FILETYPES   
end