akkoma/priv/repo/migrations/20190408123347_create_conversations.exs

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.CreateConversations do
use Ecto.Migration
def change do
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create_if_not_exists table(:conversations) do
add(:ap_id, :string, null: false)
timestamps()
end
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create_if_not_exists table(:conversation_participations) do
add(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
add(:conversation_id, references(:conversations, on_delete: :delete_all))
add(:read, :boolean, default: false)
timestamps()
end
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create_if_not_exists(index(:conversation_participations, [:conversation_id]))
create_if_not_exists(unique_index(:conversation_participations, [:user_id, :conversation_id]))
create_if_not_exists(unique_index(:conversations, [:ap_id]))
end
end