Class: Quiver::Adapter::ActiveRecord::ARecLowLevelDeleter

Inherits:
Object
  • Object
show all
Defined in:
lib/quiver/adapter/arec_low_level_deleter.rb

Instance Method Summary collapse

Constructor Details

#initialize(adapter_klass, original_attributes) ⇒ ARecLowLevelDeleter

Returns a new instance of ARecLowLevelDeleter.



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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 5

def initialize(adapter_klass, original_attributes)
  self.adapter_klass = adapter_klass
  self.failed = false
  self.original_attributes = original_attributes
  self.attrs = {}
  self.calls = []
end

Instance Method Details

#failed! ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 52

def failed!
  self.failed = true
end

#map(attributes, opts) ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 13

def map(attributes, opts)
  record = record_class(opts[:to])

  if opts[:foreign_key]
    record = record.where(opts[:foreign_key])
  end

  if opts[:primary]
    record = record.where(
      adapter_klass.primary_key_name => primary_key
    )
  end

  calls.unshift -> {
    record.delete_all == 1
  }
end

#map_array(h, opts) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 31

def map_array(h, opts)
  raise ArgumentError, 'map_array requires opts[foreign_key] to be set' unless opts[:foreign_key]

  h.each do |key, items|
    record = record_class(opts[:to])
    query = record.where(opts[:foreign_key])

    remove_ids = record.pluck(:id)

    calls.unshift -> {
      query.where(id: remove_ids).delete_all == remove_ids.count
    }
  end
end

#primary_key ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 60

def primary_key
  original_attributes[adapter_klass.primary_key_name]
end

#result ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 56

def result
  {}
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/quiver/adapter/arec_low_level_deleter.rb', line 46

def success?
  calls.all? do |call|
    call.call
  end && !failed
end