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.
"""
+ @type t :: %__MODULE__{}
@primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
schema "chats" do
|> unique_constraint(:user_id, name: :chats_user_id_recipient_index)
end
+ @spec get_by_user_and_id(User.t(), FlakeId.Ecto.CompatType.t()) ::
+ {:ok, t()} | {:error, :not_found}
+ def get_by_user_and_id(%User{id: user_id}, id) do
+ from(c in __MODULE__,
+ where: c.id == ^id,
+ where: c.user_id == ^user_id
+ )
+ |> Repo.find_resource()
+ end
+
+ @spec get_by_id(FlakeId.Ecto.CompatType.t()) :: t() | nil
def get_by_id(id) do
- __MODULE__
- |> Repo.get(id)
+ Repo.get(__MODULE__, id)
end
+ @spec get(FlakeId.Ecto.CompatType.t(), String.t()) :: t() | nil
def get(user_id, recipient) do
- __MODULE__
- |> Repo.get_by(user_id: user_id, recipient: recipient)
+ Repo.get_by(__MODULE__, user_id: user_id, recipient: recipient)
end
+ @spec get_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
+ {:ok, t()} | {:error, Ecto.Changeset.t()}
def get_or_create(user_id, recipient) do
%__MODULE__{}
|> changeset(%{user_id: user_id, recipient: recipient})
)
end
+ @spec bump_or_create(FlakeId.Ecto.CompatType.t(), String.t()) ::
+ {:ok, t()} | {:error, Ecto.Changeset.t()}
def bump_or_create(user_id, recipient) do
%__MODULE__{}
|> changeset(%{user_id: user_id, recipient: recipient})