Workflow statuses editing

app/services/project_admin/workflows/statuses/batch_update.rb

@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module ProjectAdmin
+  module Workflows
+    module Statuses
+      class BatchUpdate < ApplicationService
+        class TaskStatus
+          include ActiveModel::Model
+          include ActiveModel::Attributes
+
+          attribute :id, :string
+          attribute :_destroy, :boolean
+          attribute :name
+          attribute :color
+          attribute :icon
+        end
+
+        attr_accessor :task_statuses
+        attr_reader :workflow
+
+        def self.from_model(workflow)
+          new(task_statuses_attributes: workflow.task_statuses.map do |ts|
+            ts.attributes.slice(*TaskStatus.attribute_names)
+          end)
+        end
+
+        def task_statuses_attributes=(attributes)
+          @task_statuses = Array(attributes).map { |e| TaskStatus.new(e) }
+        end
+
+        def perform(workflow)
+          @workflow = workflow
+          task_status_models = @workflow.task_statuses.index_by(&:id)
+
+          @workflow.transaction(requires_new: true) do
+            task_statuses.each do |ts|
+              model = task_status_models.fetch(ts.id.to_i)
+              if ts._destroy
+                model.destroy!
+              else
+                model.update!(
+                  name: ts.name,
+                  icon: ts.icon,
+                  color: ts.color
+                )
+              end
+            end
+          end
+
+          true
+        end
+      end
+    end
+  end
+end