add noticed

Gemfile

@@ -107,3 +107,5 @@ gem "image_processing", ">= 1.2"
 gem "devise-i18n", "~> 1.10"
 
 gem "dockerfile-rails", ">= 1.5", group: :development
+
+gem "noticed", "~> 1.6"

Gemfile.lock

@@ -149,6 +149,7 @@ GEM
       activerecord (>= 4.2, < 8)
     dockerfile-rails (1.5.3)
       rails
+    domain_name (0.6.20231109)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
       dotenv (= 2.8.1)
@@ -164,6 +165,9 @@ GEM
     faker (3.0.0)
       i18n (>= 1.8.11, < 2)
     ffi (1.15.5)
+    ffi-compiler (1.0.1)
+      ffi (>= 1.0.0)
+      rake
     formatador (1.1.0)
     globalid (1.0.1)
       activesupport (>= 5.0)
@@ -181,6 +185,14 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
+    http (5.1.1)
+      addressable (~> 2.8)
+      http-cookie (~> 1.0)
+      http-form_data (~> 2.2)
+      llhttp-ffi (~> 0.4.0)
+    http-cookie (1.0.5)
+      domain_name (~> 0.5)
+    http-form_data (2.3.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     image_processing (1.12.2)
@@ -222,6 +234,9 @@ GEM
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    llhttp-ffi (0.4.0)
+      ffi-compiler (~> 1.0)
+      rake (~> 13.0)
     loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -257,6 +272,9 @@ GEM
       racc (~> 1.4)
     nokogiri (1.16.0-x86_64-linux)
       racc (~> 1.4)
+    noticed (1.6.3)
+      http (>= 4.0.0)
+      rails (>= 5.2.0)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -489,6 +507,7 @@ DEPENDENCIES
   kaminari (~> 1.2)
   mobility (~> 1.2)
   mobility-ransack (~> 1.2.2)
+  noticed (~> 1.6)
   pg (~> 1.1)
   puma (~> 6.4)
   pundit (~> 2.2)

app/models/notification.rb

@@ -0,0 +1,4 @@
+class Notification < ApplicationRecord
+  include Noticed::Model
+  belongs_to :recipient, polymorphic: true
+end

app/models/user.rb

@@ -9,6 +9,7 @@ class User < ApplicationRecord
   has_many :discussions, dependent: :destroy
   has_many :posts, dependent: :destroy
   has_one :preference, dependent: :destroy
+  has_many :notifications, as: :recipient, dependent: :destroy
 
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable

db/migrate/20240102141608_create_notifications.rb

@@ -0,0 +1,13 @@
+class CreateNotifications < ActiveRecord::Migration[7.0]
+  def change
+    create_table :notifications do |t|
+      t.references :recipient, polymorphic: true, null: false
+      t.string :type, null: false
+      t.jsonb :params
+      t.datetime :read_at
+
+      t.timestamps
+    end
+    add_index :notifications, :read_at
+  end
+end

spec/factories/notifications.rb

@@ -0,0 +1,8 @@
+FactoryBot.define do
+  factory :notification do
+    recipient factory: :user
+    type { "" }
+    params { "" }
+    read_at { Time.zone.today }
+  end
+end

spec/models/notification_spec.rb

@@ -0,0 +1,5 @@
+require "rails_helper"
+
+RSpec.describe Notification, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end