Class: Acfs::Operation Private

Inherits:
Object
  • Object
show all
Defined in:
lib/acfs/operation.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Describes a CRUD operation. Handle request creation and response processing as well as error handling and stubbing.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource, action, opts = {}, &block) ⇒ Operation

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Operation.



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# File 'lib/acfs/operation.rb', line 15

def initialize(resource, action, opts = {}, &block)
  @resource = resource
  @action   = action.to_sym

  # Operations can be delayed so dup params and data to avoid
  # later in-place changes by modifying passed hash
  @params   = (opts[:params] || {}).dup
  @data     = (opts[:data]   || {}).dup

  if opts[:url]
    @url = opts[:url]
  else
    @location = resource.location(action: @action).extract_from(@params, @data)
    @url      = location.str
  end

  @callback = block
end

Instance Attribute Details

#action ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def action
  @action
end

#callback ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def callback
  @callback
end

#data ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def data
  @data
end

#location ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def location
  @location
end

#params ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def params
  @params
end

#resource ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def resource
  @resource
end

#url ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 10

def url
  @url
end

Instance Method Details

#full_params ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 47

def full_params
  (id ? params.merge(id: id) : params).merge location_args
end

#handle_failure(response) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 73

def handle_failure(response)
  case response.code
    when 400
      raise ::Acfs::BadRequest.new response: response
    when 401
      raise ::Acfs::Unauthorized.new response: response
    when 403
      raise ::Acfs::Forbidden.new response: response
    when 404
      raise ::Acfs::ResourceNotFound.new response: response
    when 422
      raise ::Acfs::InvalidResource.new response: response, errors: response.data.try(:[], 'errors')
    when 500
      raise ::Acfs::ServerError.new response: response
    when 502
      raise ::Acfs::BadGateway.new response: response
    when 503
      raise ::Acfs::ServiceUnavailable.new response: response
    when 504
      raise ::Acfs::GatewayTimeout.new response: response
    else
      raise ::Acfs::ErroneousResponse.new response: response
  end
end

#id ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 42

def id
  # TODO
  @id ||= params.delete(:id) || data[:id]
end

#location_args ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 51

def location_args
  location ? location.args : {}
end

#method ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 55

def method
  {read: :get, list: :get, update: :put, create: :post, delete: :delete}[action]
end

#request ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/acfs/operation.rb', line 59

def request
  request = ::Acfs::Request.new url, method: method, params: params,
                                     data: data, operation: self
  request.on_complete do |response|
    ::ActiveSupport::Notifications.instrument 'acfs.operation.complete',
      operation: self,
      response: response

    handle_failure response unless response.success?
    callback.call response.data, response
  end
  request
end

#single? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/acfs/operation.rb', line 34

def single?
  i[read update delete].include? action
end

#synchronous? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 


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# File 'lib/acfs/operation.rb', line 38

def synchronous?
  i[update delete create].include? action
end