Module: ArSync::ModelBase::InstanceMethods

Defined in:
lib/ar_sync/instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#_serializer_field_value(name) ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 33

def _serializer_field_value(name)
  field = self.class._serializer_field_info name
  preloadeds = field.preloaders.map do |preloader|
    args = [[self], nil]
    preloader.call(*(preloader.arity < 0 ? args : args.take(preloader.arity)))
  end
  instance_exec(*preloadeds, nil, &field.data_block)
end

#_sync_current_belongs_to_info ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 42

def _sync_current_belongs_to_info
  belongs = {}
  self.class._each_sync_child do |name, (type, option, data_block)|
    next unless type == :one
    option ||= {}
    association_name = (option[:association] || name).to_s.underscore
    association = self.class.reflect_on_association association_name
    next if association && !association.belongs_to?
    if association && !option[:preload] && !data_block
      belongs[name] = {
        type: association.foreign_type && self[association.foreign_type],
        id: self[association.foreign_key]
      }
    else
      belongs[name] = { value: _serializer_field_value(name) }
    end
  end
  belongs
end

#_sync_current_parents_info ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 17

def _sync_current_parents_info
  parents = []
  self.class._each_sync_parent do |parent, inverse_name:, only_to:, watch:|
    parent = send parent if parent.is_a? Symbol
    parent = instance_exec(&parent) if parent.is_a? Proc
    if only_to
      to_user = only_to.is_a?(Symbol) ? instance_eval(&only_to) : instance_exec(&only_to)
      parent = nil unless to_user
    end
    inverse_name = instance_exec(&inverse_name) if inverse_name.is_a? Proc
    owned = parent.class._sync_child_info(inverse_name).present? if parent
    parents << [parent, [inverse_name, to_user, owned, watch]]
  end
  parents
end

#_sync_current_watch_values ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 7

def _sync_current_watch_values
  values = {}
  self.class._each_sync_parent do |_, info|
    [*info[:watch]].each do |watch|
      values[watch] = watch.is_a?(Proc) ? instance_exec(&watch) : __send__(watch)
    end
  end
  values
end

#_sync_notify(action) ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 2

def _sync_notify(action)
  _sync_notify_parent action
  _sync_notify_self if self.class._sync_self? && action == :update
end

#_sync_notify_child_added(child, name, to_user) ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 104

def _sync_notify_child_added(child, name, to_user)
  ArSync.sync_send to: self, action: :add, model: child, path: name, to_user: to_user
end

#_sync_notify_child_changed(name, to_user) ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 108

def _sync_notify_child_changed(name, to_user)
  ArSync.sync_send to: self, action: :update, model: self, field: name, to_user: to_user
end

#_sync_notify_child_removed(child, name, to_user) ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 100

def _sync_notify_child_removed(child, name, to_user)
  ArSync.sync_send to: self, action: :remove, model: child, path: name, to_user: to_user
end

#_sync_notify_parent(action) ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 62

def _sync_notify_parent(action)
  if action == :create
    parents = _sync_current_parents_info
    parents_was = parents.map { nil }
  elsif action == :destroy
    parents_was = _sync_parents_info_before_mutation
    return unless parents_was
    parents = parents_was.map { nil }
  else
    parents_was = _sync_parents_info_before_mutation
    return unless parents_was
    parents = _sync_current_parents_info
    column_values_was = _sync_watch_values_before_mutation || {}
    column_values = _sync_current_watch_values
  end
  parents_was.zip(parents).each do |(parent_was, info_was), (parent, info)|
    name, to_user, owned, watch = info
    name_was, to_user_was, owned_was = info_was
    if parent_was != parent || info_was != info
      if owned_was
        parent_was&._sync_notify_child_removed self, name_was, to_user_was
      else
        parent_was&._sync_notify_child_changed name_was, to_user_was
      end
      if owned
        parent&._sync_notify_child_added self, name, to_user
      else
        parent&._sync_notify_child_changed name, to_user
      end
    elsif parent
      changed = [*watch].any? do |w|
        column_values_was[w] != column_values[w]
      end
      parent._sync_notify_child_changed name, to_user if changed
    end
  end
end

#_sync_notify_self ⇒ Object 



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# File 'lib/ar_sync/instance_methods.rb', line 112

def _sync_notify_self
  belongs_was = _sync_belongs_to_info_before_mutation
  return unless belongs_was
  belongs = _sync_current_belongs_to_info
  belongs.each do |name, info|
    next if belongs_was[name] == info
    value = info.key?(:value) ? info[:value] : _serializer_field_value(name)
    _sync_notify_child_added value, name, nil if value.is_a? ArSerializer::Serializable
    _sync_notify_child_removed value, name, nil if value.nil?
  end
  ArSync.sync_send to: self, action: :update, model: self
end