Module: Paperclip::Storage::Redis

Defined in:
lib/paperclip/storage/redis.rb

Defined Under Namespace

Classes: App

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



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# File 'lib/paperclip/storage/redis.rb', line 4

def self.extended(base)
  begin
    require 'redis'
  rescue LoadError => e
    e.message << " (You may need to install the redis gem)"
    raise e
  end unless defined?(Redis)

  base.instance_eval do
    @options[:path] ||= ":class/:attachment/:id_partition/:style/:filename"
    @options[:url] ||= "/dynamic/:class/:attachment/:id_partition/:style/:filename"
    @redis = ::Redis.new( url: ENV['PAPERCLIP_REDIS'])
  end
end

Instance Method Details

#copy_to_local_file(style, destination_path) ⇒ Object 



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# File 'lib/paperclip/storage/redis.rb', line 42

def copy_to_local_file(style, destination_path)
  File.open(destination_path, "w") do |f|
    f << read
  end
end

#exists?(style = default_style) ⇒ Boolean

Returns:



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# File 'lib/paperclip/storage/redis.rb', line 19

def exists?(style = default_style)
  @redis.exists(path(style))
end

#flush_deletes ⇒ Object 



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# File 'lib/paperclip/storage/redis.rb', line 35

def flush_deletes
  @queued_for_delete.each do |path|
    log("deleting #{path}")
    @redis.del(path)
  end
end

#flush_writes ⇒ Object 



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# File 'lib/paperclip/storage/redis.rb', line 27

def flush_writes
  @queued_for_write.each do |style, file|
    log("saving #{path(style)}")
    file.rewind
    @redis.set(path(style), file.read)
  end
end

#ping ⇒ Object 



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# File 'lib/paperclip/storage/redis.rb', line 23

def ping
  @redis.ping
end

#read(style = default_style) ⇒ Object 



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# File 'lib/paperclip/storage/redis.rb', line 48

def read(style = default_style)
  @redis.get(path(style))
end