Class: Quiver::Adapter::ActiveRecord::ARecLowLevelUpdater

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

Instance Method Summary collapse

Constructor Details

#initialize(adapter_klass, original_attributes) ⇒ ARecLowLevelUpdater

Returns a new instance of ARecLowLevelUpdater.



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

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

Instance Method Details

#failed! ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_updater.rb', line 73

def failed!
  self.failed = true
end

#map(attributes, opts) ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_updater.rb', line 12

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

  result = record.update_all(attributes)

  if result == 0
    self.failed = true
  end
end

#map_array(h, opts) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/quiver/adapter/arec_low_level_updater.rb', line 32

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])

    ids = record.pluck(:id)
    remaining_ids = items.map { |i| i[:id] }.compact
    remove_ids = ids - remaining_ids

    query.where(id: remove_ids).delete_all

    attrs[key] = items.map do |item|
      item = item.merge(opts[:foreign_key])

      if item[:id]
        result = query.where(id: item[:id]).update_all(item)

        if result != 1
          self.failed = true
        else
          item
        end
      else
        result = record.create(item)

        if !result.persisted?
          self.failed = true
        else
          result.attributes.symbolize_keys
        end
      end
    end
  end
end

#primary_key ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_updater.rb', line 91

def primary_key
  original_attributes[adapter_klass.primary_key_name]
end

#result ⇒ Object 



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# File 'lib/quiver/adapter/arec_low_level_updater.rb', line 77

def result
  r = original_attributes.symbolize_keys.merge(attrs.merge(
    adapter_klass.primary_key_name => primary_key
  ).symbolize_keys)

  if original_attributes[:__type__]
    r.merge!(
      original_attributes[:__type__][:name] => original_attributes[:__type__][:value]
    )
  end

  r
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/quiver/adapter/arec_low_level_updater.rb', line 69

def success?
  !failed
end