ash_hq/priv/repo/migrations/20230122063404_migrate_resources43.exs

defmodule AshHq.Repo.Migrations.MigrateResources43 do
  @moduledoc """
  Updates resources based on their most recent snapshots.

  This file was autogenerated with `mix ash_postgres.generate_migrations`
  """

  use Ecto.Migration

  def up do
    create table(:discord_threads, primary_key: false) do
      add :id, :bigint, null: false, primary_key: true
      add :type, :bigint
      add :name, :text, null: false
      add :author, :text, null: false
      add :create_timestamp, :utc_datetime, null: false
      add :channel_id, :bigint, null: false
    end

    create table(:discord_thread_tags, primary_key: false) do
      add :thread_id,
          references(:discord_threads,
            column: :id,
            name: "discord_thread_tags_thread_id_fkey",
            type: :bigint,
            prefix: "public"
          ),
          primary_key: true,
          null: false

      add :tag_id, :bigint, null: false, primary_key: true
    end

    create table(:discord_tags, primary_key: false) do
      add :id, :bigint, null: false, primary_key: true
    end

    alter table(:discord_thread_tags) do
      modify :tag_id,
             references(:discord_tags,
               column: :id,
               prefix: "public",
               name: "discord_thread_tags_tag_id_fkey",
               type: :bigint
             )
    end

    alter table(:discord_tags) do
      add :name, :citext, null: false
      add :channel_id, :bigint
    end

    create table(:discord_reactions, primary_key: false) do
      add :id, :uuid, null: false, default: fragment("uuid_generate_v4()"), primary_key: true
      add :count, :bigint, null: false
      add :emoji, :text, null: false
      add :message_id, :bigint, null: false
    end

    create table(:discord_messages, primary_key: false) do
      add :id, :bigint, null: false, primary_key: true
    end

    alter table(:discord_reactions) do
      modify :message_id,
             references(:discord_messages,
               column: :id,
               prefix: "public",
               name: "discord_reactions_message_id_fkey",
               type: :bigint
             )
    end

    create unique_index(:discord_reactions, [:emoji, :message_id],
             name: "discord_reactions_unique_message_emoji_index"
           )

    alter table(:discord_messages) do
      add :author, :text, null: false
      add :content, :text
      add :content_html, :text
      add :timestamp, :utc_datetime, null: false

      add :thread_id,
          references(:discord_threads,
            column: :id,
            name: "discord_messages_thread_id_fkey",
            type: :bigint,
            prefix: "public"
          ),
          null: false
    end

    create table(:discord_channels, primary_key: false) do
      add :id, :bigint, null: false, primary_key: true
    end

    alter table(:discord_threads) do
      modify :channel_id,
             references(:discord_channels,
               column: :id,
               prefix: "public",
               name: "discord_threads_channel_id_fkey",
               type: :bigint
             )
    end

    alter table(:discord_tags) do
      modify :channel_id,
             references(:discord_channels,
               column: :id,
               prefix: "public",
               name: "discord_tags_channel_id_fkey",
               type: :bigint
             )
    end

    create unique_index(:discord_tags, [:name, :channel_id],
             name: "discord_tags_unique_name_per_channel_index"
           )

    alter table(:discord_channels) do
      add :name, :text, null: false
      add :order, :bigint, null: false
    end

    create table(:discord_attachments, primary_key: false) do
      add :id, :bigint, null: false, primary_key: true
      add :filename, :text
      add :size, :bigint
      add :url, :text
      add :proxy_url, :text
      add :height, :bigint
      add :width, :bigint

      add :message_id,
          references(:discord_messages,
            column: :id,
            name: "discord_attachments_message_id_fkey",
            type: :bigint,
            prefix: "public"
          ),
          null: false
    end
  end

  def down do
    drop constraint(:discord_attachments, "discord_attachments_message_id_fkey")

    drop table(:discord_attachments)

    alter table(:discord_channels) do
      remove :order
      remove :name
    end

    drop_if_exists unique_index(:discord_tags, [:name, :channel_id],
                     name: "discord_tags_unique_name_per_channel_index"
                   )

    drop constraint(:discord_tags, "discord_tags_channel_id_fkey")

    alter table(:discord_tags) do
      modify :channel_id, :bigint
    end

    drop constraint(:discord_threads, "discord_threads_channel_id_fkey")

    alter table(:discord_threads) do
      modify :channel_id, :bigint
    end

    drop table(:discord_channels)

    drop constraint(:discord_messages, "discord_messages_thread_id_fkey")

    alter table(:discord_messages) do
      remove :thread_id
      remove :timestamp
      remove :content_html
      remove :content
      remove :author
    end

    drop_if_exists unique_index(:discord_reactions, [:emoji, :message_id],
                     name: "discord_reactions_unique_message_emoji_index"
                   )

    drop constraint(:discord_reactions, "discord_reactions_message_id_fkey")

    alter table(:discord_reactions) do
      modify :message_id, :bigint
    end

    drop table(:discord_messages)

    drop table(:discord_reactions)

    alter table(:discord_tags) do
      remove :channel_id
      remove :name
    end

    drop constraint(:discord_thread_tags, "discord_thread_tags_tag_id_fkey")

    alter table(:discord_thread_tags) do
      modify :tag_id, :bigint
    end

    drop table(:discord_tags)

    drop constraint(:discord_thread_tags, "discord_thread_tags_thread_id_fkey")

    drop table(:discord_thread_tags)

    drop table(:discord_threads)
  end
end