Class: Textus::Read::PolicyExplain

Inherits:
Object
  • Object
show all
Defined in:
lib/textus/read/policy_explain.rb

Overview

For one key, surface every matching policy block along with the per-slot effective value (which loses ties win-by-specificity).

Instance Method Summary collapse

Constructor Details

#initialize(container:, call: nil) ⇒ PolicyExplain

rubocop:disable Lint/UnusedMethodArgument



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# File 'lib/textus/read/policy_explain.rb', line 6

def initialize(container:, call: nil) # rubocop:disable Lint/UnusedMethodArgument
  @manifest = container.manifest
end

Instance Method Details

#call(key:) ⇒ Object 



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# File 'lib/textus/read/policy_explain.rb', line 10

def call(key:)
  policies = @manifest.rules
  matching = policies.explain(key)
  winners  = policies.for(key)

  {
    key: key,
    matched_blocks: matching.map do |b|
      {
        match: b.match,
        refresh: !b.refresh.nil?,
        handler_allowlist: !b.handler_allowlist.nil?,
        promote: !b.promote.nil?,
        retention: !b.retention.nil?,
      }
    end,
    effective: {
      refresh: winners.refresh && {
        ttl_seconds: winners.refresh.ttl_seconds,
        on_stale: winners.refresh.on_stale,
      },
      handler_allowlist: winners.handler_allowlist&.handlers,
      promotion: winners.promote && { requires: winners.promote.requires },
      retention: winners.retention && {
        expire_after: winners.retention.expire_after,
        archive_after: winners.retention.archive_after,
      },
    },
  }
end