51 lines
1.3 KiB
Elixir
51 lines
1.3 KiB
Elixir
defmodule MatrixServer.Room do
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use Ecto.Schema
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import Ecto.Changeset
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import Ecto.Query
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alias MatrixServer.{Repo, Room, Event}
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alias MatrixServerWeb.API.CreateRoom
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@primary_key {:id, :string, []}
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schema "rooms" do
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field :visibility, Ecto.Enum, values: [:public, :private]
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field :forward_extremities, {:array, :string}
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has_many :events, Event, foreign_key: :event_id
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end
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def changeset(room, params \\ %{}) do
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cast(room, params, [:visibility])
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end
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def create_changeset(%CreateRoom{} = input) do
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visibility = input.visibility || :public
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%Room{}
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|> changeset(%{visibility: visibility})
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|> put_change(:id, generate_room_id())
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end
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def generate_room_id do
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"!" <> MatrixServer.random_string(18) <> ":" <> MatrixServer.server_name()
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end
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def update_forward_extremities(%Event{
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event_id: event_id,
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prev_events: prev_event_ids,
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room_id: room_id
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}) do
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%Room{forward_extremities: forward_extremities} =
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Room
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|> where([r], r.id == ^room_id)
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|> Repo.one!()
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new_forward_extremities = [event_id | forward_extremities -- prev_event_ids]
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{_, [room | _]} =
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from(r in Room, where: r.id == ^room_id, select: r)
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|> Repo.update_all(set: [forward_extremities: new_forward_extremities])
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room
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end
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end
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