class Quiver::Adapter::ActiveRecord::ARecLowLevelUpdater

Attributes

adapter_klass[RW]
attrs[RW]
failed[RW]
mapper_klass[RW]
original_attributes[RW]

Public Class Methods

new(adapter_klass, original_attributes) click to toggle source
# 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

Public Instance Methods

failed!() click to toggle source
# File lib/quiver/adapter/arec_low_level_updater.rb, line 73
def failed!
  self.failed = true
end
map(attributes, opts) click to toggle source
# 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) click to toggle source
# 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() click to toggle source
# File lib/quiver/adapter/arec_low_level_updater.rb, line 91
def primary_key
  original_attributes[adapter_klass.primary_key_name]
end
result() click to toggle source
# 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?() click to toggle source
# File lib/quiver/adapter/arec_low_level_updater.rb, line 69
def success?
  !failed
end

Private Instance Methods

record_class(name) click to toggle source
# File lib/quiver/adapter/arec_low_level_updater.rb, line 99
def record_class(name)
  adapter_klass.record_classes[name]
end