feat: obtener información sobre la instancia

app/controllers/api/v1/webhooks/social_inbox_controller.rb

@@ -150,6 +150,9 @@ module Api
             next if a.instance
 
             a.instance = ActivityPub::Instance.find_or_create_by(hostname: URI.parse(a.uri).hostname)
+
+            ActivityPub::InstanceFetchJob.perform_later(site: site, instance: a.instance)
+
             a.save!
           end
         end

app/jobs/activity_pub/instance_fetch_job.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class ActivityPub
+  # Obtiene o actualiza los datos de una instancia.
+  class InstanceFetchJob < ApplicationJob
+    def perform(site:, instance:)
+      %w[/api/v2/instance /api/v1/instance].each do |api|
+        uri = SocialInbox.generate_uri(instance.hostname) do |u|
+          u.path = api
+        end
+
+        response = site.social_inbox.dereferencer.get(uri: uri)
+
+        next unless response.ok?
+
+        instance.update(content: response.parsed_response)
+
+        break
+      end
+    end
+  end
+end

app/models/social_inbox.rb

@@ -28,7 +28,7 @@ class SocialInbox
   end
 
   def actor_id
-    @actor_id ||= generate_uri do |uri|
+    @actor_id ||= SocialInbox.generate_uri(hostname) do |uri|
       uri.path = '/about.jsonld'
     end
   end
@@ -61,7 +61,7 @@ class SocialInbox
 
   # @return [String]
   def public_key_url
-    @public_key_url ||= generate_uri do |uri|
+    @public_key_url ||= SocialInbox.generate_uri(hostname) do |uri|
       uri.path = '/about.jsonld'
       uri.fragment = 'main-key'
     end
@@ -78,7 +78,7 @@ class SocialInbox
   # Genera una URI dentro de este sitio
   #
   # @return [String]
-  def generate_uri(&block)
+  def self.generate_uri(hostname, &block)
-    @public_key_url ||= URI("https://#{hostname}").tap(&block).to_s
+    URI("https://#{hostname}").tap(&block).to_s
   end
 end