87 lines
1.9 KiB
Elixir
87 lines
1.9 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.ChatMessageReference do
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@moduledoc """
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A reference that builds a relation between an AP chat message that a user can see and whether it has been seen
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by them, or should be displayed to them. Used to build the chat view that is presented to the user.
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"""
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use Ecto.Schema
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alias Pleroma.Chat
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alias Pleroma.Object
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alias Pleroma.Repo
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import Ecto.Changeset
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import Ecto.Query
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@primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
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schema "chat_message_references" do
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belongs_to(:object, Object)
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belongs_to(:chat, Chat)
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field(:seen, :boolean, default: false)
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timestamps()
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end
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def changeset(struct, params) do
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struct
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|> cast(params, [:object_id, :chat_id, :seen])
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|> validate_required([:object_id, :chat_id, :seen])
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end
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def get_by_id(id) do
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__MODULE__
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|> Repo.get(id)
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|> Repo.preload(:object)
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end
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def delete(cm_ref) do
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cm_ref
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|> Repo.delete()
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end
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def delete_for_object(%{id: object_id}) do
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from(cr in __MODULE__,
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where: cr.object_id == ^object_id
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)
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|> Repo.delete_all()
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end
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def for_chat_and_object(%{id: chat_id}, %{id: object_id}) do
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__MODULE__
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|> Repo.get_by(chat_id: chat_id, object_id: object_id)
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|> Repo.preload(:object)
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end
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def for_chat_query(chat) do
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from(cr in __MODULE__,
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where: cr.chat_id == ^chat.id,
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order_by: [desc: :id],
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preload: [:object]
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)
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end
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def last_message_for_chat(chat) do
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chat
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|> for_chat_query()
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|> limit(1)
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|> Repo.one()
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end
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def create(chat, object, seen) do
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params = %{
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chat_id: chat.id,
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object_id: object.id,
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seen: seen
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}
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%__MODULE__{}
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|> changeset(params)
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|> Repo.insert()
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end
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end
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