Class: Tumblr::Object

Inherits:
Object
  • Object
show all
Defined in:
lib/tumblr/object.rb

Direct Known Subclasses

Blog, Chat::Dialogue, Photo::Size, Post, User, Video::Player

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.page_size ⇒ Object

Returns the value of attribute page_size.



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# File 'lib/tumblr/object.rb', line 4

def page_size
  @page_size
end

Class Method Details

.array_attribute(*args) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 61

def array_attribute(*args)
  options = args.extract_options!
  attr_reader *args
  klass = systematize(options[:object]) if options[:object]
  args.each do |arg|
    attributes << arg
    define_method "#{arg}=" do |value|
      if klass
        set_attribute_value(arg, value.to_a.collect { |params| klass.build(params) })
      else
        set_attribute_value(arg, value.to_a)
      end
    end
  end
end

.attributes ⇒ Object 



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# File 'lib/tumblr/object.rb', line 47

def attributes
  @attributes ||= Set.new
end

.boolean_attribute(*args) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 77

def boolean_attribute(*args)
  attr_reader *args
  args.each do |arg|
    attributes << arg
    define_method "#{arg}=" do |value|
      set_attribute_value(arg, !!value)
    end
  end
end

.build(attributes) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 37

def build(attributes)
  object = new
  attributes.each do |attribute, value|
    if object.respond_to?("#{attribute}=")
      object.send("#{attribute}=", value)
    end
  end
  object
end

.date_attribute(*args) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 98

def date_attribute(*args)
  attr_reader *args
  args.each do |arg|
    attributes << arg
    define_method "#{arg}=" do |value|
      value = Time.at(value) if value.kind_of?(Fixnum)
      value = Date.parse(value) rescue nil if value.kind_of?(String)
      value ||= value
      set_attribute_value(arg, value)
    end
  end
end

.numeric_attribute(*args) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 87

def numeric_attribute(*args)
  attr_reader *args
  args.each do |arg|
    attributes << arg
    define_method "#{arg}=" do |value|
      value = (value.to_i == value.to_f) ? value.to_i : value.to_f
      set_attribute_value(arg, value)
    end
  end
end

.object_attribute(*args) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 111

def object_attribute(*args)
  attr_reader *args
  options = args.extract_options!
  klass = systematize(options[:object]) if options[:object]
  args.each do |arg|
    attributes << arg
    define_method "#{arg}=" do |value|
      set_attribute_value(arg, klass.build(value))
    end
  end
end

.objectify(hash) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 20

def objectify(hash)
  objectified = {}
  hash.keys.each do |key|
    klass = systematize(key)
    if klass
      if hash[key].kind_of?(Array)
        objectified[key] = hash[key].collect { |value| klass.build(value) }
      else
        objectified[key] = klass.build(hash[key])
      end
    else
      objectified[key] = hash[key]
    end
  end
  objectified
end

.string_attribute(*args) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 51

def string_attribute(*args)
  attr_reader *args
  args.each do |arg|
    attributes << arg
    define_method "#{arg}=" do |value|
      set_attribute_value(arg, value.to_s)
    end
  end
end

.systematize(string) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 15

def systematize(string)
  string = string.to_s.gsub(/^Tumblr::/, '')
  "Tumblr::#{string.singularize.classify}".constantize rescue nil
end

.unserialize(value) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 10

def unserialize(value)
  value = JSON.parse(value)
  systematize(value.first).build(value.last)
end

Instance Method Details

#as_json ⇒ Object 



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# File 'lib/tumblr/object.rb', line 144

def as_json
  json = {}
  self.class.attributes.each do |key|
    json[key] = send(key)
  end
  json
end

#commit ⇒ Object 



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# File 'lib/tumblr/object.rb', line 132

def commit
  storage.value = serialize
end

#dom_class ⇒ Object 



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# File 'lib/tumblr/object.rb', line 136

def dom_class
  self.class.to_s.split("::").last.underscore
end

#etag ⇒ Object 



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# File 'lib/tumblr/object.rb', line 140

def etag
  Digest::SHA1.hexdigest(to_json)
end

#serialize ⇒ Object 



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# File 'lib/tumblr/object.rb', line 124

def serialize
  [self.class.to_s, as_json].to_json
end

#storage ⇒ Object 



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# File 'lib/tumblr/object.rb', line 128

def storage
  @_storage ||= Redis::Value.new("#{Blog::STORAGE_KEY}:#{slug}", Tumblr.config.redis)
end

#to_json(force = false) ⇒ Object 



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# File 'lib/tumblr/object.rb', line 152

def to_json(force=false)
  @json = nil if force
  @json ||= JSON.generate(as_json)
end