Add preferences to user model

app/models/user.rb

@@ -1,6 +1,8 @@
 class User < ApplicationRecord
   include EmailValidatable
 
+  serialize :preferences, Hash, default: {}
+
   # Relations
   has_many :invitations, dependent: :destroy
   has_one  :invitation, inverse_of: :invitee, foreign_key: 'invited_user_id'
@@ -133,6 +135,11 @@ class User < ApplicationRecord
     ldap.delete_attribute(dn,:service)
   end
 
+  def pref_enabled?(key)
+    value = preferences.dig(*key.split(":"))
+    [true, "true", 1, "enabled"].include?(value)
+  end
+
   def exchange_xmpp_contact_with_inviter
     return unless inviter.services_enabled.include?("ejabberd") &&
                   services_enabled.include?("ejabberd")

db/migrate/20230403135149_add_preferences_to_users.rb

@@ -0,0 +1,5 @@
+class AddPreferencesToUsers < ActiveRecord::Migration[7.0]
+  def change
+    add_column :users, :preferences, :text
+  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[7.0].define(version: 2023_03_19_101128) do
+ActiveRecord::Schema[7.0].define(version: 2023_04_03_135149) do
   create_table "donations", force: :cascade do |t|
     t.integer "user_id"
     t.integer "amount_sats"
@@ -57,8 +57,10 @@ ActiveRecord::Schema[7.0].define(version: 2023_03_19_101128) do
     t.text "ln_login_ciphertext"
     t.text "ln_password_ciphertext"
     t.string "ln_account"
+    t.string "nostr_pubkey"
     t.datetime "remember_created_at"
     t.string "remember_token"
+    t.text "preferences"
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end

spec/models/user_spec.rb

@@ -149,4 +149,50 @@ RSpec.describe User, type: :model do
       end
     end
   end
+
+  describe "#pref_enabled?" do
+    describe "preference not set" do
+      # TODO return default value
+      it "returns false" do
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(false)
+      end
+    end
+
+    describe "preference is set" do
+      it "returns true for boolean true" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => true}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(true)
+      end
+
+      it "returns true for string 'true'" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => "true"}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(true)
+      end
+
+      it "returns true for string 'enabled'" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => "enabled"}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(true)
+      end
+
+      it "returns true for integer 1" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => 1}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(true)
+      end
+
+      it "returns false for boolean false" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => false}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(false)
+      end
+
+      it "returns false for string 'false'" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => "false"}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(false)
+      end
+
+      it "returns false for integer 0" do
+        user.preferences.merge!({"lightning" => {"notify_sats_received" => 0}})
+        expect(user.pref_enabled?("lightning:notify_sats_received")).to be(false)
+      end
+    end
+  end
 end