calendar slug added, settings quick change working

priv/repo/migrations/20200913000515_create_users_auth_tables.exs

@@ -11,10 +11,11 @@ defmodule Shift73k.Repo.Migrations.CreateUsersAuthTables do
       add(:role, :string, null: false)
       add(:confirmed_at, :naive_datetime)
       add(:week_start_at, :string, null: false)
+      add(:calendar_slug, :string, null: false)
       timestamps()
     end
 
-    create(unique_index(:users, [:email]))
+    create(unique_index(:users, [:email, :calendar_slug]))
 
     create table(:users_tokens, primary_key: false) do
       add(:id, :binary_id, primary_key: true)

priv/repo/seeds.exs

@@ -71,6 +71,7 @@ mock_users =
       role: String.to_existing_atom(e["role"]),
       hashed_password: Bcrypt.hash_pwd_salt(e["password"]),
       week_start_at: Enum.at(week_starts, Enum.random(0..2)),
+      calendar_slug: Ecto.UUID.generate(),
       inserted_at: add_dt,
       updated_at: add_dt,
       confirmed_at: (e["confirmed_at"] && NaiveDateTime.add(add_dt, 300, :second)) || nil