Class: Textus::Handlers::Write::AcceptProposal

Inherits:
Object
  • Object
show all
Defined in:
lib/textus/handlers/write/accept_proposal.rb

Instance Method Summary collapse

Constructor Details

#initialize(container:) ⇒ AcceptProposal

Returns a new instance of AcceptProposal.



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# File 'lib/textus/handlers/write/accept_proposal.rb', line 5

def initialize(container:)
  @container = container
end

Instance Method Details

#call(command, call) ⇒ Object 



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# File 'lib/textus/handlers/write/accept_proposal.rb', line 9

def call(command, call)
  reader = Store::Entry::Reader.from(container: @container)
  env = reader.read(command.pending_key)
  proposal = env&.meta&.dig("proposal") or
    return Value::Result.failure(:proposal_error, "entry has no proposal block: #{command.pending_key}")
  target = proposal["target_key"] or
    return Value::Result.failure(:proposal_error, "proposal missing target_key")
  action = proposal["action"] || "put"

  writer = Store::Entry::Writer.from(container: @container, call: call)
  case action
  when "put"
    mentry = @container.manifest.resolver.resolve(target).entry
    writer.put(
      target, mentry: mentry,
              payload: Textus::Value::Payload.new(meta: env.meta["_meta"] || {}, body: env.body, content: nil)
    )
  when "delete"
    writer.delete(target)
  else
    return Value::Result.failure(:proposal_error, "unknown action: #{action}")
  end

  writer.delete(command.pending_key)
  Value::Result.success("protocol" => Textus::PROTOCOL, "accepted" => command.pending_key,
                        "target_key" => target, "action" => action, "cascade_key" => target)
end