Class: ZeroRailsAdapter::Processor

Inherits:
Object
  • Object
show all
Defined in:
lib/zero_rails_adapter/processor.rb

Constant Summary collapse

CLEANUP_MUTATION_NAME = 
"_zero_cleanupResults"
DATABASE_ERROR_MESSAGE = 
"Database error"
INTERNAL_ERROR_MESSAGE = 
"Internal server error"
PERSISTABLE_MUTATION_ERRORS = 
[
  ActiveModel::UnknownAttributeError,
  ActiveModel::ValidationError,
  ActiveRecord::RecordInvalid,
  ActiveRecord::RecordNotDestroyed,
  ActiveRecord::RecordNotFound,
  ActiveRecord::RecordNotSaved
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request:, context:) ⇒ Processor

Returns a new instance of Processor.



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# File 'lib/zero_rails_adapter/processor.rb', line 19

def initialize(request:, context:)
  @request = request
  @context = context.with(request:)
  @storage = ZeroRailsAdapter.configuration.storage_provider.call(request)
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/zero_rails_adapter/processor.rb', line 17

def context
  @context
end

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/zero_rails_adapter/processor.rb', line 17

def request
  @request
end

#storage ⇒ Object (readonly)

Returns the value of attribute storage.



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# File 'lib/zero_rails_adapter/processor.rb', line 17

def storage
  @storage
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/zero_rails_adapter/processor.rb', line 25

def call
  responses = []
  processed_count = 0

  request.mutations.each do |mutation|
    if mutation.name == CLEANUP_MUTATION_NAME
      cleanup_results(mutation)
      processed_count += 1
      next
    end

    responses << ActiveSupport::Notifications.instrument(
      "mutation.zero_rails_adapter",
      name: mutation.name,
      client_id: mutation.client_id,
      mutation_id: mutation.id,
      client_group_id: request.client_group_id,
      app_id: request.app_id,
      schema: request.schema
    ) { process_mutation(mutation) }
    processed_count += 1
  end

  {
    "kind" => "MutateResponse",
    "mutations" => responses,
    "userID" => context.user_id
  }
rescue OutOfOrderMutationError => error
  push_failed(
    reason: "oooMutation",
    message: error.message,
    mutation_ids: request.mutation_ids.drop(processed_count)
  )
rescue ActiveRecord::ActiveRecordError => error
  mutation_ids = request.mutation_ids.drop(processed_count)
  log_push_failure(error, reason: "database", mutation_ids:)
  push_failed(
    reason: "database",
    message: DATABASE_ERROR_MESSAGE,
    mutation_ids:
  )
rescue StandardError => error
  mutation_ids = request.mutation_ids.drop(processed_count)
  log_push_failure(error, reason: "internal", mutation_ids:)
  push_failed(
    reason: "internal",
    message: INTERNAL_ERROR_MESSAGE,
    mutation_ids:
  )
end