alias Ecto.Multi
alias Pleroma.Repo
alias Pleroma.User
+ alias __MODULE__
@timelines ["notifications"]
|> Repo.transaction()
end
+ @spec multi_set_unread_count(Multi.t(), User.t(), String.t()) :: Multi.t()
+ def multi_set_unread_count(multi, %User{} = user, "notifications") do
+ multi
+ |> Multi.run(:counters, fn _repo, _changes ->
+ query =
+ from(q in Pleroma.Notification,
+ where: q.user_id == ^user.id,
+ select: %{
+ timeline: "notifications",
+ user_id: ^user.id,
+ unread_count: fragment("SUM( CASE WHEN seen = false THEN 1 ELSE 0 END ) as unread_count")
+ }
+ )
+
+ {:ok, Repo.one(query)}
+ end)
+ |> Multi.insert(
+ :marker,
+ fn %{counters: attrs} ->
+ Marker
+ |> struct(attrs)
+ |> Ecto.Changeset.change()
+ end,
+ returning: true,
+ on_conflict: {:replace, [:last_read_id, :unread_count]},
+ conflict_target: [:user_id, :timeline]
+ )
+ end
+
+ def set_unread_count(%User{} = user, timeline) do
+ Multi.new()
+ |> multi_set_unread_count(user, timeline)
+ |> Repo.transaction()
+ end
+
defp get_marker(user, timeline) do
case Repo.find_resource(get_query(user, timeline)) do
{:ok, marker} -> %__MODULE__{marker | user: user}
defmodule Pleroma.Notification do
use Ecto.Schema
+ alias Ecto.Multi
alias Pleroma.Activity
+ alias Pleroma.Marker
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Pagination
|> Repo.all()
end
- def set_read_up_to(%{id: user_id} = _user, id) do
+ def set_read_up_to(%{id: user_id} = user, id) do
query =
from(
n in Notification,
where: n.user_id == ^user_id,
where: n.id <= ^id,
where: n.seen == false,
- update: [
- set: [
- seen: true,
- updated_at: ^NaiveDateTime.utc_now()
- ]
- ],
# Ideally we would preload object and activities here
# but Ecto does not support preloads in update_all
select: n.id
)
- {_, notification_ids} = Repo.update_all(query, [])
+ {:ok, %{ids: {_, notification_ids}}} =
+ Multi.new()
+ |> Multi.update_all(:ids, query, set: [seen: true, updated_at: NaiveDateTime.utc_now()])
+ |> Marker.multi_set_unread_count(user, "notifications")
+ |> Repo.transaction()
Notification
|> where([n], n.id in ^notification_ids)
|> Repo.all()
end
+ @spec read_one(User.t(), String.t()) ::
+ {:ok, Notification.t()} | {:error, Ecto.Changeset.t()} | nil
def read_one(%User{} = user, notification_id) do
with {:ok, %Notification{} = notification} <- get(user, notification_id) do
- notification
- |> changeset(%{seen: true})
- |> Repo.update()
+ Multi.new()
+ |> Multi.update(:update, changeset(notification, %{seen: true}))
+ |> Marker.multi_set_unread_count(user, "notifications")
+ |> Repo.transaction()
+ |> case do
+ {:ok, %{update: notification}} -> {:ok, notification}
+ {:error, :update, changeset, _} -> {:error, changeset}
+ end
end
end
object = Object.normalize(activity)
unless object && object.data["type"] == "Answer" do
- users = get_notified_from_activity(activity)
- notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
+ notifications =
+ activity
+ |> get_notified_from_activity()
+ |> Enum.map(&create_notification(activity, &1))
+
{:ok, notifications}
else
{:ok, []}
def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity)
when type in ["Like", "Announce", "Follow"] do
- users = get_notified_from_activity(activity)
- notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
+ notifications =
+ activity
+ |> get_notified_from_activity
+ |> Enum.map(&create_notification(activity, &1))
+
{:ok, notifications}
end
# TODO move to sql, too.
def create_notification(%Activity{} = activity, %User{} = user) do
unless skip?(activity, user) do
- notification = %Notification{user_id: user.id, activity: activity}
- {:ok, notification} = Repo.insert(notification)
+ {:ok, %{notification: notification}} =
+ Multi.new()
+ |> Multi.insert(:notification, %Notification{user_id: user.id, activity: activity})
+ |> Marker.multi_set_unread_count(user, "notifications")
+ |> Repo.transaction()
["user", "user:notification"]
|> Streamer.stream(notification)