Refactor micropub specific things out to a slice

slices/micropub/commands/posts/create_entry.rb

@@ -0,0 +1,43 @@
+require "dry/monads"
+
+module Micropub
+  module Commands
+    module Posts
+      class CreateEntry < Adamantium::Command
+        include Deps["repos.post_repo",
+          "post_utilities.slugify",
+          renderer: "renderers.markdown",
+          syndicate: "commands.posts.syndicate",
+          send_to_dayone: "syndication.dayone",
+          send_webmentions: "commands.posts.send_webmentions",
+          auto_tag: "commands.auto_tagging.tag",
+                    ]
+
+        include Dry::Monads[:result]
+
+        def call(post)
+          post_params = prepare_params(params: post)
+          created_post = post_repo.create(post_params)
+
+          auto_tag.call
+
+          syndicate.call(created_post.id, post)
+
+          decorated_post = Decorators::Posts::Decorator.new(created_post)
+
+          send_webmentions.call(post_content: created_post.content, post_url: decorated_post.permalink)
+
+          Success(created_post)
+        end
+
+        private
+
+        def prepare_params(params:)
+          attrs = params.to_h
+          attrs[:content] = renderer.call(content: attrs[:content])
+          attrs
+        end
+      end
+    end
+  end
+end