Clean up webmentions

app/actions/webmentions/create.rb

@@ -4,29 +4,24 @@ module Adamantium
   module Actions
     module Webmentions
       class Create < Adamantium::Action
-
-        include Deps["repos.webmentions_repo", "repos.post_repo"]
+        include Deps["repos.webmentions_repo",
+          "repos.post_repo",
+          webmention_parser: "param_parser.webmention"
+                ]
 
         def handle(req, res)
-          if req.params[:"wm-property"] == "in-reply-to"
-
+          webmention = webmention_parser.call(params: req.params)
+          case webmention
+          in Success[:reply, reply]
             slug = req.params[:"in-reply-to"].split("/").last
             post = post_repo.fetch!(slug)
 
-            attrs = {
-              type: "reply",
-              author_name: req.params[:author][:name],
-              author_photo: req.params[:author][:photo],
-              author_url: req.params[:author][:url],
-              published_at: req.params[:published],
-              content_html: req.params[:content][:html],
-              content_text: req.params[:content][:text],
-              source_url: req.params[:url],
-              target_url: req.params[:"in-reply-to"],
-              post_id: post.id
-            }
+            reply[:post_id] = post.id
 
-            webmentions_repo.create(attrs)
+            webmentions_repo.create(reply)
+            res.status = 201
+          in Failure(:invalid_request)
+            res.status = 429
           end
         end
       end