Class: S3Direct::File

Inherits:
Object
  • Object
show all
Defined in:
lib/s3direct/file.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model, identifier, pattern, opts = {}) ⇒ File

Returns a new instance of File.



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# File 'lib/s3direct/file.rb', line 12

def initialize(model, identifier, pattern, opts={})
  @model = model
  @identifier = identifier
  @pattern = pattern

  @options = default_options.merge(opts)
end

Instance Attribute Details

#identifier ⇒ Object (readonly)

Returns the value of attribute identifier.



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# File 'lib/s3direct/file.rb', line 4

def identifier
  @identifier
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/s3direct/file.rb', line 4

def model
  @model
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/s3direct/file.rb', line 4

def options
  @options
end

#pattern ⇒ Object (readonly)

Returns the value of attribute pattern.



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# File 'lib/s3direct/file.rb', line 4

def pattern
  @pattern
end

Class Method Details

.sanitize_filename(name) ⇒ Object 



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# File 'lib/s3direct/file.rb', line 6

def self.sanitize_filename(name)
  unless name.nil?
    name.strip
  end
end

Instance Method Details

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/s3direct/file.rb', line 48

def exists?
  name.present?
end

#key ⇒ Object 



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# File 'lib/s3direct/file.rb', line 44

def key
  ::File.join(s3_path, name)
end

#max_upload_size ⇒ Object 



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# File 'lib/s3direct/file.rb', line 52

def max_upload_size
  max_method = "#{identifier}_max_upload_size"

  if model.respond_to?(max_method)
    model.public_send(max_method)
  end
end

#name ⇒ Object 



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# File 'lib/s3direct/file.rb', line 20

def name
  @model.send "#{identifier}_file"
end

#s3_path ⇒ Object 



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# File 'lib/s3direct/file.rb', line 24

def s3_path
  StringInterpolator.new(model, pattern).to_s
end

#upload_request(filename = name, opts = {}) ⇒ Object 



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# File 'lib/s3direct/file.rb', line 36

def upload_request(filename = name, opts = {})
  if filename.blank?
    raise "Can't create an upload request without a filename - " +
      "provide it as an argument or set #{identifier}_file on the model"
  end
  UploadRequest.new s3_path, self.class.sanitize_filename(filename), options.merge(opts)
end

#url ⇒ Object 



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# File 'lib/s3direct/file.rb', line 28

def url
  if exists?
    ::File.join(config.bucket_url, key)
  else
    default_url
  end
end