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