Initial commit

app/actions/posts/handle.rb

@@ -0,0 +1,66 @@
+require "pry"
+
+module Adamantium
+  module Actions
+    module Posts
+      class Handle < Action
+        before :authenticate!
+
+        include Deps[
+          "settings",
+          post_param_parser: "param_parser.micropub_post",
+          create_resolver: "commands.posts.creation_resolver",
+          delete_post: "commands.posts.delete",
+          undelete_post: "commands.posts.undelete",
+          update_post: "commands.posts.update"
+        ]
+
+        def handle(req, res)
+          req_entity = post_param_parser.call(params: req.params.to_h)
+          action = req.params[:action]
+
+          if action
+            operation, permission_check = resolve_operation(action)
+
+            if permission_check.call(req)
+              operation.call(params: req.params.to_h)
+              res.status = 200
+            else
+              res.status = 401
+            end
+          elsif req_entity
+            halt 401 unless verify_scope(req: req, scope: :create)
+
+            command, contract = create_resolver.call(entry_type: req_entity).values_at(:command, :validation)
+
+            validation = contract.call(req_entity.to_h)
+            if validation.success?
+              post = command.call(validation.to_h)
+
+              res.status = 201
+              res.headers.merge!(
+                "Location" => "#{settings.micropub_site_url}/#{post.post_type}/#{post.slug}"
+              )
+            else
+              res.body = {error: validation.errors.to_h}.to_json
+              res.status = 422
+            end
+          end
+        end
+
+        private
+
+        def resolve_operation(action)
+          case action
+          when "delete"
+            [delete_post, ->(req) { verify_scope(req: req, scope: :delete) }]
+          when "undelete"
+            [undelete_post, ->(req) { verify_scope(req: req, scope: :undelete) }]
+          when "update"
+            [update_post, ->(req) { verify_scope(req: req, scope: :update) }]
+          end
+        end
+      end
+    end
+  end
+end