Module: Shrine::Plugins::Model::AttacherMethods

Defined in:
lib/shrine/plugins/model.rb

Instance Method Summary collapse

Instance Method Details

#initialize(model_cache: shrine_class.opts[:model]) ⇒ Object 



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# File 'lib/shrine/plugins/model.rb', line 93

def initialize(model_cache: shrine_class.opts[:model][:cache], **)
  super(**)
  @model_cache = model_cache
  @model       = nil
end

#load_model(record, name) ⇒ Object

Saves record and name and initializes attachment from the model attribute. Called from ‘Attacher.from_model`.



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# File 'lib/shrine/plugins/model.rb', line 101

def load_model(record, name)
  set_model(record, name)
  read
end

#model_assign(value) ⇒ Object

Called by the attachment attribute setter on the model.



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# File 'lib/shrine/plugins/model.rb', line 114

def model_assign(value, **)
  if model_cache?
    assign(value, **)
  else
    attach(value, **)
  end
end

#set ⇒ Object

Writes uploaded file data into the model.



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# File 'lib/shrine/plugins/model.rb', line 123

def set(*)
  result = super
  write if model?
  result
end

#set_model(record, name) ⇒ Object

Saves record and name without loading attachment from the model attribute.



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# File 'lib/shrine/plugins/model.rb', line 108

def set_model(record, name)
  set_entity(record, name)
  @model = true
end

#write ⇒ Object

Writes the attachment data into the model attribute.



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# File 'lib/shrine/plugins/model.rb', line 130

def write
  column_values.each do |name, value|
    write_attribute(name, value)
  end
end