24 lines
542 B
Elixir
24 lines
542 B
Elixir
defmodule BdfrBrowser.Chat do
|
|
use Ecto.Schema
|
|
|
|
import Ecto.Query, only: [from: 2]
|
|
|
|
alias BdfrBrowser.Message
|
|
|
|
@primary_key {:id, :string, autogenerate: false}
|
|
|
|
schema "chats" do
|
|
field :accounts, {:array, :string}
|
|
|
|
has_many :messages, Message
|
|
end
|
|
|
|
def listing do
|
|
from(c in __MODULE__,
|
|
left_join: m in assoc(c, :messages),
|
|
select: %{id: c.id, accounts: c.accounts, num_messages: count(m.id), latest_message: max(m.posted_at)},
|
|
order_by: [desc: max(m.posted_at)],
|
|
group_by: c.id
|
|
)
|
|
end
|
|
end
|