Class: ExifDatify::DateExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/exif_datify.rb

Constant Summary collapse

DATETIME_REGEX = 
/^\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DateExtractor

Returns a new instance of DateExtractor.



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# File 'lib/exif_datify.rb', line 13

def initialize
  @logger = Logger.new(STDOUT)
  @logger.level = Logger::WARN
  @tags = ['DateTimeOriginal', 'MediaCreateDate']
  @datetime_format = "%Y-%m-%d_%H-%M-%S_"
  @quiet = false
  @counters = Hash.new(0)
  rename!
  @month_subdirectories = false
end

Instance Attribute Details

#counters ⇒ Object (readonly)

Returns the value of attribute counters.



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# File 'lib/exif_datify.rb', line 9

def counters
  @counters
end

#datetime_format ⇒ Object

Returns the value of attribute datetime_format.



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# File 'lib/exif_datify.rb', line 10

def datetime_format
  @datetime_format
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/exif_datify.rb', line 9

def logger
  @logger
end

#operation ⇒ Object (readonly)

Returns the value of attribute operation.



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# File 'lib/exif_datify.rb', line 9

def operation
  @operation
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/exif_datify.rb', line 10

def tags
  @tags
end

Instance Method Details

#copy!(destination) ⇒ Object 



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# File 'lib/exif_datify.rb', line 42

def copy!(destination)
  raise "#{destination} does not exist" unless FileTest.directory?(destination)
  @operation = :copy
  @destination = destination
end

#extract_datetime(file_path) ⇒ Object 



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# File 'lib/exif_datify.rb', line 48

def extract_datetime(file_path)
  @logger.debug "Extracting datetime from #{file_path}"
  meta = exiftool(file_path)
  @tags.each do |tag|
    return DateTime.parse(meta[tag]) if meta[tag]
  end
  nil
end

#month_subdirectories! ⇒ Object 



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# File 'lib/exif_datify.rb', line 28

def month_subdirectories!
  @month_subdirectories = true
end

#move!(destination) ⇒ Object 



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# File 'lib/exif_datify.rb', line 36

def move!(destination)
  raise "#{destination} does not exist" unless FileTest.directory?(destination)
  @operation = :move
  @destination = destination
end

#process(file_path) ⇒ Object 



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# File 'lib/exif_datify.rb', line 57

def process(file_path)
  @counters[:total] += 1
  datetime = extract_datetime(file_path)
  if datetime.nil?
    puts "Could not extract date from #{current_name}" unless @quiet
  else
    operate(file_path, datetime)
  end
end

#quiet! ⇒ Object 



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# File 'lib/exif_datify.rb', line 24

def quiet!
  @quiet = true
end

#rename! ⇒ Object 



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# File 'lib/exif_datify.rb', line 32

def rename!
  @operation = :rename
end