Class: ForestAdminAgent::Routes::Resources::Delete

Inherits:
AbstractAuthenticatedRoute show all
Includes:
Builder, ForestAdminDatasourceToolkit::Components::Query, ForestAdminDatasourceToolkit::Components::Query::ConditionTree
Defined in:
lib/forest_admin_agent/routes/resources/delete.rb

Instance Method Summary collapse

Methods inherited from AbstractAuthenticatedRoute

#build, #format_attributes, #redacted_full_projection, #redacted_projection_with_pks

Methods inherited from AbstractRoute

#add_route, #build, #initialize, #routes

Constructor Details

This class inherits a constructor from ForestAdminAgent::Routes::AbstractRoute

Instance Method Details

#delete_records(args, selection_ids, context) ⇒ Object 



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# File 'lib/forest_admin_agent/routes/resources/delete.rb', line 37

def delete_records(args, selection_ids, context)
  condition_tree_ids = ConditionTree::ConditionTreeFactory.match_records(context.collection,
                                                                         selection_ids[:ids])
  condition_tree_ids = condition_tree_ids.inverse if selection_ids[:are_excluded]

  context.collection.schema[:fields].each_value do |field_schema|
    next unless ['PolymorphicOneToOne', 'PolymorphicOneToMany'].include?(field_schema.type)
    next if field_schema.respond_to?(:cascade_on_delete) && field_schema.cascade_on_delete

    origin_values = selection_ids[:ids].map do |pk_hash|
      if pk_hash.is_a?(Hash)
        pk_hash[field_schema.origin_key_target]
      else
        pk_names = ForestAdminDatasourceToolkit::Utils::Schema.primary_keys(context.collection)
        index = pk_names.index(field_schema.origin_key_target)
        pk_hash[index] if index
      end
    end

    condition_tree = Nodes::ConditionTreeBranch.new(
      'And',
      [
        Nodes::ConditionTreeLeaf.new(field_schema.origin_key, Operators::IN, origin_values),
        Nodes::ConditionTreeLeaf.new(field_schema.origin_type_field, Operators::EQUAL,
                                     context.collection.name.gsub('__', '::'))
      ]
    )
    filter = Filter.new(condition_tree: condition_tree)
    context.datasource.get_collection(field_schema.foreign_collection)
           .update(context.caller, filter, { field_schema.origin_key => nil,
                                             field_schema.origin_type_field => nil })
  end

  filter = ForestAdminDatasourceToolkit::Components::Query::Filter.new(
    condition_tree: ConditionTree::ConditionTreeFactory.intersect(
      [
        Utils::QueryStringParser.parse_condition_tree(context.collection, args),
        condition_tree_ids,
        context.permissions.get_scope(context.collection)
      ]
    )
  )

  context.collection.delete(context.caller, filter)
end

#handle_request(args = {}) ⇒ Object 



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# File 'lib/forest_admin_agent/routes/resources/delete.rb', line 19

def handle_request(args = {})
  context = build(args)
  context.permissions.can?(:delete, context.collection)
  primary_key_values = Utils::Id.unpack_id(context.collection, args[:params]['id'], with_key: true)
  delete_records(args, { ids: [primary_key_values], are_excluded: false }, context)

  { content: nil, status: 204 }
end

#handle_request_bulk(args = {}) ⇒ Object 



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# File 'lib/forest_admin_agent/routes/resources/delete.rb', line 28

def handle_request_bulk(args = {})
  context = build(args)
  context.permissions.can?(:delete, context.collection)
  selection_ids = Utils::Id.parse_selection_ids(context.collection, args[:params], with_key: true)
  delete_records(args, selection_ids, context)

  { content: nil, status: 204 }
end

#setup_routes ⇒ Object 



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# File 'lib/forest_admin_agent/routes/resources/delete.rb', line 12

def setup_routes
  add_route('forest_delete_bulk', 'delete', '/:collection_name', ->(args) { handle_request_bulk(args) })
  add_route('forest_delete', 'delete', '/:collection_name/:id', ->(args) { handle_request(args) })

  self
end