It is a helper only, to make it easy to display a list of chats with other people, ordered by last bump. The actual messages are retrieved by querying the recipients of the ChatMessages.
"""
+ @primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
+
schema "chats" do
belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
field(:recipient, :string)
|> changeset(%{user_id: user_id, recipient: recipient})
|> Repo.insert(
on_conflict: [set: [updated_at: NaiveDateTime.utc_now()]],
+ returning: true,
conflict_target: [:user_id, :recipient]
)
end
schema "chat_message_references" do
belongs_to(:object, Object)
- belongs_to(:chat, Chat)
+ belongs_to(:chat, Chat, type: FlakeId.Ecto.CompatType)
field(:unread, :boolean, default: true)
--- /dev/null
+defmodule Pleroma.Repo.Migrations.ChangeChatIdToFlake do
+ use Ecto.Migration
+
+ def up do
+ execute("""
+ alter table chats
+ drop constraint chats_pkey cascade,
+ alter column id drop default,
+ alter column id set data type uuid using cast( lpad( to_hex(id), 32, '0') as uuid),
+ add primary key (id)
+ """)
+
+ execute("""
+ alter table chat_message_references
+ alter column chat_id set data type uuid using cast( lpad( to_hex(chat_id), 32, '0') as uuid),
+ add constraint chat_message_references_chat_id_fkey foreign key (chat_id) references chats(id) on delete cascade
+ """)
+ end
+
+ def down do
+ :ok
+ end
+end