Class: Shrine::Storage::RedisStorage

Inherits:
Object
  • Object
show all
Defined in:
lib/shrine/storage/redis_storage.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(redis, prefix:, expire:) ⇒ RedisStorage

Returns a new instance of RedisStorage.

Raises:

  • (ArgumentError) 


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# File 'lib/shrine/storage/redis_storage.rb', line 11

def initialize(redis, prefix:, expire:)
  @redis = redis
  @prefix = prefix
  @expire = expire
  raise ArgumentError, 'Missing redis client' unless redis && redis.is_a?(Redis)
end

Instance Attribute Details

#expire ⇒ Object (readonly)

Returns the value of attribute expire.



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# File 'lib/shrine/storage/redis_storage.rb', line 9

def expire
  @expire
end

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix.



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# File 'lib/shrine/storage/redis_storage.rb', line 9

def prefix
  @prefix
end

#redis ⇒ Object (readonly)

Returns the value of attribute redis.



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# File 'lib/shrine/storage/redis_storage.rb', line 9

def redis
  @redis
end

Instance Method Details

#delete(id) ⇒ Object 



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# File 'lib/shrine/storage/redis_storage.rb', line 38

def delete(id)
  redis.del(key(id))
end

#exists?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shrine/storage/redis_storage.rb', line 34

def exists?(id)
  redis.exists(key(id))
end

#open(id) ⇒ Object 



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# File 'lib/shrine/storage/redis_storage.rb', line 29

def open(id)
  redis.expire(key(id), expire) if expire
  StringIO.new(content(id))
end

#upload(io, id, shrine_metadata: {}, **upload_options) ⇒ Object 



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# File 'lib/shrine/storage/redis_storage.rb', line 18

def upload(io, id, shrine_metadata: {}, **upload_options)
  if expire
    redis.setex(key(id), expire, io.read)
  else
    redis.set(key(id), io.read)
  end
end

#url(id, **options) ⇒ Object 



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# File 'lib/shrine/storage/redis_storage.rb', line 26

def url(id, **options)
end