Task status model + default task status generation

app/jobs/project_post_init_job.rb

@@ -1,18 +0,0 @@
-# frozen_string_literal: true
-
-class ProjectPostInitJob < ApplicationJob
-  queue_as :default
-
-  def perform(project_id)
-    project = Project.preparing.find(project_id)
-
-    create_tasks_number_sequence(project)
-    project.update!(status: :ready)
-  end
-
-  private
-
-  def create_tasks_number_sequence(project)
-    Project.connection.execute "CREATE SEQUENCE IF NOT EXISTS #{project.tasks_number_sequence_name} AS INT UNSIGNED"
-  end
-end

app/jobs/projects/post_init_job.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Projects
+  class PostInitJob < ApplicationJob
+    queue_as :default
+
+    include Projects::CreateDefaultTaskStatuses
+
+    def perform(project_id)
+      project = Project.preparing.find(project_id)
+
+      project.transaction do
+        create_tasks_number_sequence(project)
+        create_default_task_statuses(project)
+        project.update!(status: :ready)
+      end
+    end
+
+    private
+
+    def create_tasks_number_sequence(project)
+      Project.connection.execute "CREATE SEQUENCE IF NOT EXISTS #{project.tasks_number_sequence_name} AS INT UNSIGNED"
+    end
+  end
+end

app/models/project.rb

@@ -1,12 +1,13 @@
 # frozen_string_literal: true
 
 class Project < ApplicationRecord
-  enum :status, %i[preparing ready archived].index_by(&:itself), default: :preparing
+  enum :status, %w[preparing ready archived].index_by(&:itself), default: :preparing
 
   validates :name, :code, presence: true
   validates :code, exclusion: { in: %w[new] }, uniqueness: true, format: { with: /\A[a-z]{2,}\z/ }
 
   has_many :tasks, dependent: :restrict_with_exception
+  has_many :task_statuses, dependent: :destroy
 
   has_rich_text :description
 
@@ -35,7 +36,7 @@ class Project < ApplicationRecord
   private
 
   def schedule_post_init_job
-    ProjectPostInitJob.perform_later id
+    Projects::PostInitJob.perform_later id
   end
 
   def drop_tasks_number_sequence

app/models/task_status.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class TaskStatus < ApplicationRecord
+  belongs_to :project
+
+  enum :category, { backlog: 100, analysis: 1000, development: 20_000, fulfillment: 60_000 }
+
+  validates :name, presence: true, uniqueness: { scope: :project }
+  validates :category, presence: true
+end

db/migrate/20251021204013_create_task_statuses.rb

@@ -0,0 +1,13 @@
+class CreateTaskStatuses < ActiveRecord::Migration[8.0]
+  def change
+    create_table :task_statuses do |t|
+      t.references :project, null: false, foreign_key: true
+      t.string :name, null: false
+      t.integer :category, limit: 2, unsigned: true, null: false
+
+      t.index %i[project_id name], unique: true
+      t.index %i[project_id category name]
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_10_21_180400) do
+ActiveRecord::Schema[8.0].define(version: 2025_10_21_204013) do
   create_table "action_text_rich_texts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "name", null: false
     t.text "body", size: :long
@@ -69,6 +69,17 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_21_180400) do
     t.index ["user_id"], name: "index_sessions_on_user_id"
   end
 
+  create_table "task_statuses", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.bigint "project_id", null: false
+    t.string "name", null: false
+    t.integer "category", limit: 2, null: false, unsigned: true
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["project_id", "category", "name"], name: "index_task_statuses_on_project_id_and_category_and_name"
+    t.index ["project_id", "name"], name: "index_task_statuses_on_project_id_and_name", unique: true
+    t.index ["project_id"], name: "index_task_statuses_on_project_id"
+  end
+
   create_table "tasks", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.bigint "project_id", null: false
     t.integer "number", null: false
@@ -89,5 +100,6 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_21_180400) do
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "sessions", "users"
+  add_foreign_key "task_statuses", "projects"
   add_foreign_key "tasks", "projects"
 end

lib/projects/create_default_task_statuses.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Projects
+  module CreateDefaultTaskStatuses
+    module_function
+
+    def create_default_task_statuses(project)
+      # TODO: make it configurable/templatable?
+
+      project.transaction do
+        project.task_statuses.create!(category: :backlog, name: 'Backlog')
+        project.task_statuses.create!(category: :analysis, name: 'To do')
+        project.task_statuses.create!(category: :development, name: 'In development')
+        project.task_statuses.create!(category: :fulfillment, name: 'Done')
+      end
+    end
+  end
+end