Refactor micropub specific things out to a slice

slices/micropub/actions/media/create.rb

@@ -0,0 +1,29 @@
+module Micropub
+  module Actions
+    module Media
+      class Create < Action
+        include Deps["commands.media.upload"]
+        before :authenticate!
+
+        def handle(req, res)
+          data = req.params[:file]
+
+          halt 401 unless verify_scope(req: req, scope: :create) || verify_scope(req: req, scope: :media)
+
+          upload_result = upload.call(file: data)
+
+          res.status = 422 if upload_result.failure?
+
+          if upload_result.success?
+            res.status = 201
+            res.headers["Location"] = upload_result.value!
+            res.headers["HX-Refresh"] = true
+            res.body = {
+              url: upload_result.value!
+            }.to_json
+          end
+        end
+      end
+    end
+  end
+end