philomena/priv/repo/migrations/20220321173359_add_approval_queue.exs

defmodule Philomena.Repo.Migrations.AddApprovalQueue do
  use Ecto.Migration

  def change do
    alter table("reports") do
      add :system, :boolean, default: false
    end

    alter table("images") do
      add :approved, :boolean, default: false
    end

    alter table("comments") do
      add :approved, :boolean, default: false
    end

    alter table("posts") do
      add :approved, :boolean, default: false
    end

    alter table("messages") do
      add :approved, :boolean, default: false
    end

    alter table("users") do
      add :verified, :boolean, default: false
    end

    create index(:images, [:hidden_from_users, :approved],
             where: "hidden_from_users = false and approved = false"
           )

    create index(:reports, [:system], where: "system = true")

    execute("update images set approved = true;")
    execute("update posts set approved = true;")
    execute("update comments set approved = true;")
    execute("update messages set approved = true;")
    execute("update users set verified = true where created_at < '2022-03-01';")
  end
end