defmodule Pleroma.Chat do
use Ecto.Schema
+
import Ecto.Changeset
+ import Ecto.Query
- alias Pleroma.User
+ alias Pleroma.Object
alias Pleroma.Repo
+ alias Pleroma.User
@moduledoc """
Chat keeps a reference to ChatMessage conversations between a user and an recipient. The recipient can be a user (for now) or a group (not implemented yet).
timestamps()
end
+ def last_message_for_chat(chat) do
+ messages_for_chat_query(chat)
+ |> order_by(desc: :id)
+ |> limit(1)
+ |> Repo.one()
+ end
+
+ def messages_for_chat_query(chat) do
+ chat =
+ chat
+ |> Repo.preload(:user)
+
+ from(o in Object,
+ where: fragment("?->>'type' = ?", o.data, "ChatMessage"),
+ where:
+ fragment(
+ """
+ (?->>'actor' = ? and ?->'to' = ?)
+ OR (?->>'actor' = ? and ?->'to' = ?)
+ """,
+ o.data,
+ ^chat.user.ap_id,
+ o.data,
+ ^[chat.recipient],
+ o.data,
+ ^chat.recipient,
+ o.data,
+ ^[chat.user.ap_id]
+ )
+ )
+ end
+
def creation_cng(struct, params) do
struct
|> cast(params, [:user_id, :recipient, :unread])
+ |> validate_change(:recipient, fn
+ :recipient, recipient ->
+ case User.get_cached_by_ap_id(recipient) do
+ nil -> [recipient: "must be an existing user"]
+ _ -> []
+ end
+ end)
|> validate_required([:user_id, :recipient])
|> unique_constraint(:user_id, name: :chats_user_id_recipient_index)
end
|> Repo.get_by(user_id: user_id, recipient: recipient)
end
+ def get_or_create(user_id, recipient) do
+ %__MODULE__{}
+ |> creation_cng(%{user_id: user_id, recipient: recipient})
+ |> Repo.insert(
+ # Need to set something, otherwise we get nothing back at all
+ on_conflict: [set: [recipient: recipient]],
+ returning: true,
+ conflict_target: [:user_id, :recipient]
+ )
+ end
+
def bump_or_create(user_id, recipient) do
%__MODULE__{}
|> creation_cng(%{user_id: user_id, recipient: recipient, unread: 1})
conflict_target: [:user_id, :recipient]
)
end
+
+ def mark_as_read(chat) do
+ chat
+ |> change(%{unread: 0})
+ |> Repo.update()
+ end
end