Class: Insika::Commands::DeleteConcept

Inherits:
Object
  • Object
show all
Defined in:
lib/insika/commands/delete_concept.rb

Overview

Control command: removes a learned concept from the KnowledgeStore. -> { name, agent, tenant, deleted: true }.

Instance Method Summary collapse

Constructor Details

#initialize(knowledge_store:, event_stream:) ⇒ DeleteConcept

Returns a new instance of DeleteConcept.



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# File 'lib/insika/commands/delete_concept.rb', line 10

def initialize(knowledge_store:, event_stream:)
  @knowledge_store = knowledge_store
  @event_stream = event_stream
end

Instance Method Details

#call(command) ⇒ Object

Raises:



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# File 'lib/insika/commands/delete_concept.rb', line 15

def call(command)
  p = AgentPayload.symbolize(command.payload)
  name = AgentPayload.presence(p[:name])
  agent = AgentPayload.presence(p[:agent])
  tenant = AgentPayload.presence(p[:tenant])
  raise Insika::ValidationError, "name is required" if name.nil?
  raise Insika::ValidationError, "agent is required" if agent.nil?

  deleted = @knowledge_store.delete(agent, name, tenant: tenant)
  raise Insika::NotFoundError, "concept '#{name}' not found for agent '#{agent}'" unless deleted

  @event_stream.emit(Insika::Event.new(
                       type: :knowledge_deleted, data: { name: name, agent: agent },
                       meta: { at: Time.now.utc.iso8601 }
                     ))
  { name: name, agent: agent, tenant: tenant, deleted: true }
end