Class: AssetCloud::Asset

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/asset_cloud/asset.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cloud, key, value = nil, metadata = Metadata.non_existing) {|_self| ... } ⇒ Asset

Returns a new instance of Asset.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/asset_cloud/asset.rb', line 16

def initialize(cloud, key, value = nil, metadata = Metadata.non_existing)
  @new_asset = true
  @cloud     = cloud
  @key       = key
  @value     = value
  @metadata  = metadata

  apply_extensions

  if @cloud.blank?
    raise ArgumentError, "cloud is not a valid AssetCloud::Base"
  end

  yield self if block_given?
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 175

def method_missing(method, *args)
  if (extension = @extensions.find { |e| e.respond_to?(method) })
    extension.public_send(method, *args)
  else
    super
  end
end

Instance Attribute Details

#cloud ⇒ Object

Returns the value of attribute cloud.



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# File 'lib/asset_cloud/asset.rb', line 12

def cloud
  @cloud
end

#extensions ⇒ Object (readonly)

Returns the value of attribute extensions.



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# File 'lib/asset_cloud/asset.rb', line 13

def extensions
  @extensions
end

#key ⇒ Object

Returns the value of attribute key.



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# File 'lib/asset_cloud/asset.rb', line 12

def key
  @key
end

#metadata ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 108

def metadata
  @metadata ||= cloud.stat(key)
end

#new_asset ⇒ Object

Returns the value of attribute new_asset.



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# File 'lib/asset_cloud/asset.rb', line 12

def new_asset
  @new_asset
end

#value ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 112

def value
  @value ||= if new_asset?
    nil
  else
    cloud.read(key)
  end
end

Class Method Details

.at(cloud, key, value = nil, metadata = nil, &block) ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 33

def at(cloud, key, value = nil, metadata = nil, &block)
  file = new(cloud, key, value, metadata, &block)
  file.new_asset = false
  file
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 40

def <=>(other)
  key <=> other.try(:key)
end

#basename ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 68

def basename
  File.basename(@key)
end

#basename_without_ext ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 72

def basename_without_ext
  File.basename(@key, extname)
end

#bucket ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 148

def bucket
  cloud.buckets[bucket_name.to_sym]
end

#bucket_name ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 144

def bucket_name
  @key.split("/").first
end

#checksum ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 96

def checksum
  metadata.checksum
end

#created_at ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 84

def created_at
  metadata.created_at
end

#delete ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 100

def delete
  if new_asset?
    false
  else
    cloud.delete(key)
  end
end

#dirname ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 56

def dirname
  File.dirname(@key)
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asset_cloud/asset.rb', line 80

def exist?
  metadata.exist?
end

#extname ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 60

def extname
  File.extname(@key)
end

#format ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 64

def format
  extname.sub(".", "")
end

#handle ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 136

def handle
  basename.to_handle
end

#inspect ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 152

def inspect
  "#<#{self.class.name}: #{key}>"
end

#new_asset? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asset_cloud/asset.rb', line 44

def new_asset?
  @new_asset
end

#relative_key ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 48

def relative_key
  @key.split("/", 2).last
end

#relative_key_without_ext ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 52

def relative_key_without_ext
  relative_key.gsub(/\.[^.]+$/, "")
end

#respond_to_missing?(method, include_all) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asset_cloud/asset.rb', line 183

def respond_to_missing?(method, include_all)
  @extensions.any? { |extension| extension.respond_to?(method, include_all) } || super
end

#rollback(version) ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 162

def rollback(version)
  self.value = cloud.read_version(key, version)
  self
end

#size ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 76

def size
  metadata.size
end

#store ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 120

def store
  unless @value.nil?
    @new_asset = false
    @metadata = nil
    cloud.write(key, value)
  end
end

#store! ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 128

def store!
  store || raise(AssetNotSaved, "Validation failed: #{errors.join(", ")}")
end

#to_param ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 132

def to_param
  basename
end

#updated_at ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 88

def updated_at
  metadata.updated_at
end

#url(options = {}) ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 140

def url(options = {})
  cloud.url_for(key, options)
end

#value_hash ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 92

def value_hash
  metadata.value_hash
end

#version_details ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 171

def version_details
  cloud.version_details(key)
end

#versioned? ⇒ Boolean

versioning

Returns:

  • (Boolean) 


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# File 'lib/asset_cloud/asset.rb', line 158

def versioned?
  bucket.versioned?
end

#versions ⇒ Object 



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# File 'lib/asset_cloud/asset.rb', line 167

def versions
  cloud.versions(key)
end