1 files changed, 75 insertions, 0 deletions
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index ffba3f390..746f78168 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -57,6 +57,7 @@ defmodule Pleroma.User do
     field(:search_type, :integer, virtual: true)
     field(:tags, {:array, :string}, default: [])
     field(:last_refreshed_at, :naive_datetime_usec)
+    field(:last_digest_emailed_at, :naive_datetime)
     has_many(:notifications, Notification)
     has_many(:registrations, Registration)
     embeds_one(:info, User.Info)
@@ -1348,6 +1349,80 @@ defmodule Pleroma.User do
     target.ap_id not in user.info.muted_reblogs
   end
 
+  @doc """
+  The function returns a query to get users with no activity for given interval of days.
+  Inactive users are those who didn't read any notification, or had any activity where
+  the user is the activity's actor, during `inactivity_threshold` days.
+  Deactivated users will not appear in this list.
+
+  ## Examples
+
+      iex> Pleroma.User.list_inactive_users()
+      %Ecto.Query{}
+  """
+  @spec list_inactive_users_query(integer()) :: Ecto.Query.t()
+  def list_inactive_users_query(inactivity_threshold \\ 7) do
+    negative_inactivity_threshold = -inactivity_threshold
+    now = NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second)
+    # Subqueries are not supported in `where` clauses, join gets too complicated.
+    has_read_notifications =
+      from(n in Pleroma.Notification,
+        where: n.seen == true,
+        group_by: n.id,
+        having: max(n.updated_at) > datetime_add(^now, ^negative_inactivity_threshold, "day"),
+        select: n.user_id
+      )
+      |> Pleroma.Repo.all()
+
+    from(u in Pleroma.User,
+      left_join: a in Pleroma.Activity,
+      on: u.ap_id == a.actor,
+      where: not is_nil(u.nickname),
+      where: fragment("not (?->'deactivated' @> 'true')", u.info),
+      where: u.id not in ^has_read_notifications,
+      group_by: u.id,
+      having:
+        max(a.inserted_at) < datetime_add(^now, ^negative_inactivity_threshold, "day") or
+          is_nil(max(a.inserted_at))
+    )
+  end
+
+  @doc """
+  Enable or disable email notifications for user
+
+  ## Examples
+
+      iex> Pleroma.User.switch_email_notifications(Pleroma.User{info: %{email_notifications: %{"digest" => false}}}, "digest", true)
+      Pleroma.User{info: %{email_notifications: %{"digest" => true}}}
+
+      iex> Pleroma.User.switch_email_notifications(Pleroma.User{info: %{email_notifications: %{"digest" => true}}}, "digest", false)
+      Pleroma.User{info: %{email_notifications: %{"digest" => false}}}
+  """
+  @spec switch_email_notifications(t(), String.t(), boolean()) ::
+          {:ok, t()} | {:error, Ecto.Changeset.t()}
+  def switch_email_notifications(user, type, status) do
+    info = Pleroma.User.Info.update_email_notifications(user.info, %{type => status})
+
+    change(user)
+    |> put_embed(:info, info)
+    |> update_and_set_cache()
+  end
+
+  @doc """
+  Set `last_digest_emailed_at` value for the user to current time
+  """
+  @spec touch_last_digest_emailed_at(t()) :: t()
+  def touch_last_digest_emailed_at(user) do
+    now = NaiveDateTime.truncate(NaiveDateTime.utc_now(), :second)
+
+    {:ok, updated_user} =
+      user
+      |> change(%{last_digest_emailed_at: now})
+      |> update_and_set_cache()
+
+    updated_user
+  end
+
   @spec toggle_confirmation(User.t()) :: {:ok, User.t()} | {:error, Changeset.t()}
   def toggle_confirmation(%User{} = user) do
     need_confirmation? = !user.info.confirmation_pending