Class: Indexmap::Storage::ActiveStorage

Inherits:
Object
  • Object
show all
Defined in:
lib/indexmap/storage/active_storage.rb

Constant Summary collapse

DEFAULT_CONTENT_TYPE = 
"application/xml"

Instance Method Summary collapse

Constructor Details

#initialize(model:, public_url:, filename_column: :filename, attachment: :file, content_type: DEFAULT_CONTENT_TYPE) ⇒ ActiveStorage

Returns a new instance of ActiveStorage.



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# File 'lib/indexmap/storage/active_storage.rb', line 11

def initialize(model:, public_url:, filename_column: :filename, attachment: :file, content_type: DEFAULT_CONTENT_TYPE)
  @model = model
  @public_url_base = public_url
  @filename_column = filename_column
  @attachment = attachment
  @default_content_type = content_type
end

Instance Method Details

#delete(filename) ⇒ Object 



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# File 'lib/indexmap/storage/active_storage.rb', line 56

def delete(filename)
  record = find_record(filename)
  record&.public_send(attachment)&.purge
end

#exist?(filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/indexmap/storage/active_storage.rb', line 39

def exist?(filename)
  attached?(find_record(filename))
end

#inspect ⇒ Object 



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# File 'lib/indexmap/storage/active_storage.rb', line 65

def inspect
  "#<#{self.class.name} model=#{model}>"
end

#list(prefix: nil, suffix: nil) ⇒ Object 



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# File 'lib/indexmap/storage/active_storage.rb', line 43

def list(prefix: nil, suffix: nil)
  relation = relation_for(prefix: prefix, suffix: suffix)

  relation.filter_map do |record|
    filename = record.public_send(filename_column).to_s
    next if prefix && !filename.start_with?(prefix)
    next if suffix && !filename.end_with?(suffix)
    next unless attached?(record)

    filename
  end.sort
end

#public_url(filename) ⇒ Object 



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# File 'lib/indexmap/storage/active_storage.rb', line 61

def public_url(filename)
  URI.join("#{public_url_base}/", filename).to_s
end

#read(filename) ⇒ Object 



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# File 'lib/indexmap/storage/active_storage.rb', line 32

def read(filename)
  record = find_record(filename)
  return unless attached?(record)

  record.public_send(attachment).download
end

#write(filename, body, content_type: nil) ⇒ Object 



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# File 'lib/indexmap/storage/active_storage.rb', line 19

def write(filename, body, content_type: nil)
  attachment_content_type = content_type || default_content_type
  record = find_or_initialize(filename)
  record.save! unless record.persisted?
  record.public_send(attachment).attach(
    io: StringIO.new(body.to_s),
    filename: filename,
    content_type: attachment_content_type
  )

  File.new(filename: filename, body: body.to_s, content_type: attachment_content_type)
end