Module: Textus::Domain::Policy::Predicates::Registry

Defined in:
lib/textus/domain/policy/predicates/registry.rb

Overview

The single source of truth for the predicate vocabulary (ADR 0031 §3). Replaces both Promote::KNOWN and Promotion::REGISTRY. Each entry is name => ->(params:, schemas:) { predicate }.

Constant Summary collapse

ENTRIES = 
{
  "zone_writable_by" => ->(**) { ZoneWritableBy.new },
  "author_held" => ->(**) { AuthorHeld.new },
  "target_is_canon" => ->(**) { TargetIsCanon.new },
  "schema_valid" => ->(schemas:, **) { SchemaValid.new(schemas: schemas) },
  "etag_match" => ->(params:, **) { EtagMatch.new(if_etag: params) },
  "fresh_within" => ->(params:, **) { FreshWithin.new(duration: params) },
}.freeze

Class Method Summary collapse

Class Method Details

.build(spec, schemas:) ⇒ Object

Accepts either “name” or { “name” => params }.



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# File 'lib/textus/domain/policy/predicates/registry.rb', line 21

def self.build(spec, schemas:)
  name, params =
    if spec.is_a?(Hash)
      spec.first
    else
      [spec.to_s, nil]
    end
  ctor = ENTRIES[name.to_s] or raise Textus::UsageError.new(
    "unknown guard predicate: '#{name}' (known: #{ENTRIES.keys.join(", ")})",
  )
  ctor.call(params: params, schemas: schemas)
end

.known ⇒ Object 



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# File 'lib/textus/domain/policy/predicates/registry.rb', line 34

def self.known = ENTRIES.keys