Project Topic: Add avatar and description to the model

app/models/projects/topic.rb

@@ -2,7 +2,10 @@
 
 module Projects
   class Topic < ApplicationRecord
+    include Avatarable
+
     validates :name, presence: true, uniqueness: true, length: { maximum: 255 }
+    validates :description, length: { maximum: 1024 }
 
     has_many :project_topics, class_name: 'Projects::ProjectTopic'
     has_many :projects, through: :project_topics

db/migrate/20210915070423_add_avatar_and_description_to_topic.rb

+# frozen_string_literal: true
+
+class AddAvatarAndDescriptionToTopic < Gitlab::Database::Migration[1.0]
+  # rubocop:disable Migration/AddLimitToTextColumns
+  def up
+    add_column :topics, :avatar, :text
+    add_column :topics, :description, :text
+  end
+  # rubocop:enable Migration/AddLimitToTextColumns
+
+  def down
+    remove_column :topics, :avatar
+    remove_column :topics, :description
+  end
+end

db/migrate/20210920104446_add_text_limit_to_topics_description_and_avatar.rb

+# frozen_string_literal: true
+
+class AddTextLimitToTopicsDescriptionAndAvatar < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    add_text_limit :topics, :description, 1024
+    add_text_limit :topics, :avatar, 255
+  end
+
+  def down
+    remove_text_limit :topics, :avatar
+    remove_text_limit :topics, :description
+  end
+end

db/schema_migrations/20210915070423

+f11b237fab6b4133c73f1d6105d85c8db1548b6d0753b2fd96f613c90a4fa3c1
\ No newline at end of file

db/schema_migrations/20210920104446

+e7e9b13874081a7df42d07ccc9a54fb81973210d1c175cd995300f6339d57495
\ No newline at end of file

db/structure.sql

@@ -19613,6 +19613,10 @@ CREATE TABLE topics (
     name text NOT NULL,
     created_at timestamp with time zone NOT NULL,
     updated_at timestamp with time zone NOT NULL,
+    avatar text,
+    description text,
+    CONSTRAINT check_26753fb43a CHECK ((char_length(avatar) <= 255)),
+    CONSTRAINT check_5d1a07c8c8 CHECK ((char_length(description) <= 1024)),
     CONSTRAINT check_7a90d4c757 CHECK ((char_length(name) <= 255))
 );
 

spec/models/projects/topic_spec.rb

@@ -18,5 +18,6 @@ RSpec.describe Projects::Topic do
     it { is_expected.to validate_presence_of(:name) }
     it { is_expected.to validate_uniqueness_of(:name) }
     it { is_expected.to validate_length_of(:name).is_at_most(255) }
+    it { is_expected.to validate_length_of(:description).is_at_most(1024) }
   end
 end