Module: Balanced::Resource

Included in:
Account, ApiKey, BankAccount, Callback, Card, Credit, Customer, Debit, Event, EventCallback, Hold, Invoice, Log, Marketplace, Merchant, Refund, Reversal, Transaction, Verification
Defined in:
lib/balanced/resources/resource.rb

Defined Under Namespace

Modules: ClassMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 91

def method_missing(method, *args, &block)
  case method
    when /(.+)\=$/
      attr = method.to_s.chop
      @attributes[attr] = args[0]
    else
      # This piece of code is a bit disgusting. We will clean it up soon,
      # but basically, we were creating closures using this code snippet
      # but those closures were transferred to the actual classes themselves
      # so you would have something like BankAccount.new.account and this
      # will give the last closure added for a BankAccount even if it has
      # nothing to do with the actual class itself.
      #
      # This caused some weird errors, so the best thing to do was to just
      # move this piece of code and "dynamically" enable it for all
      # method requests that are essentially #{method}_uri.
      #
      # This solves the acute problem, for now.
      if @attributes.has_key? "#{method}_uri"

        value = @attributes["#{method}_uri"]
        # what if the server returns a _uri that we don't know how to
        # construct? Welp, we catch that NameError and return to super.
        begin
          values_class = Balanced.from_uri(value)
        rescue NameError
          super
        end

        # if uri is a collection -> this would definitely be if
        # it ends in a symbol then we should allow a lazy executor of
        # the query pager
        if Balanced.is_collection(value)
          pager = Balanced::Pager.new value, {}
          return pager.to_a
        else
          return values_class.find(value)
        end

      else
        super
      end
  end
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/balanced/resources/resource.rb', line 6

def attributes
  @attributes
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 136

def self.included(base)
  base.extend ClassMethods
end

Instance Method Details

#copy_from(other) ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 85

def copy_from other
  other.instance_variables.each do |ivar|
    instance_variable_set ivar, other.instance_variable_get(ivar)
  end
end

#destroy ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 66

def destroy
  Balanced.delete @attributes[:uri]
end

#find(*arguments) ⇒ Object

delegate the query to the pager module



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# File 'lib/balanced/resources/resource.rb', line 14

def find *arguments
  self.class.find *arguments
end

#initialize(attributes = {}) ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 8

def initialize attributes = {}
  @attributes = attributes
end

#reload(the_response = nil) ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 74

def reload the_response = nil
  if the_response
    return if the_response.body.to_s.length.zero?
    fresh = self.class.construct_from_response the_response.body
  else
    fresh = self.find(@attributes[:uri])
  end
  fresh and copy_from fresh
  self
end

#sanitize ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 31

def sanitize
  to_submit = {}
  @attributes.each do |key, value|
    if not value.is_a? Balanced::Resource
      to_submit[key] = value
    end
  end
  to_submit
end

#save ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 18

def save
  uri = @attributes.delete('uri')
  method = :post
  if uri.nil?
    uri = self.class.collection_path
  elsif !Balanced.is_collection(uri)
    method = :put
  end
  attributes_to_submit = self.sanitize
  @response = Balanced.send(method, uri, attributes_to_submit)
  reload @response
end

#unstore ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 70

def unstore
  destroy
end

#warn_on_positional(args) ⇒ Object 



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# File 'lib/balanced/resources/resource.rb', line 41

def warn_on_positional args
  msg = <<-WARNING
  Called from: #{caller[1]}
  #############################################################
  #   WARNING! WARNING! WARNING! WARNING! WARNING! WARNING!   #
  #############################################################

  Using positional arguments is **DEPRECATED**. Please use the
  keyword options pattern instead. Version __0.7.0__ of the
  Ruby client will not support positional arguments.

  If you need help, please hop on irc.freenode.net #balanced
  or contact [email protected]
  WARNING
  # warn if [...] otherwise, it's ok if it's: [], [{}] or [{...}]
  unless (args.size == 1 and args.last.is_a? Hash) or (args.size == 0)
    warn msg
  end
end