mobilizon.chapril.org-mobil.../lib/service/notifier/email.ex

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defmodule Mobilizon.Service.Notifier.Email do
@moduledoc """
Email notifier
"""
alias Mobilizon.Activities.Activity
alias Mobilizon.{Config, Users}
alias Mobilizon.Service.Notifier
alias Mobilizon.Service.Notifier.{Email, Filter}
alias Mobilizon.Users.{NotificationPendingNotificationDelay, Setting, User}
alias Mobilizon.Web.Email.Activity, as: EmailActivity
alias Mobilizon.Web.Email.Mailer
@behaviour Notifier
@impl Notifier
def ready? do
Config.get([__MODULE__, :enabled])
end
def send(user, activity, options \\ [])
@impl Notifier
def send(%User{} = user, %Activity{} = activity, options) do
Email.send(user, [activity], options)
end
@impl Notifier
def send(%User{email: email, locale: locale} = user, activities, options)
when is_list(activities) do
activities = Enum.filter(activities, &can_send_activity?(&1, user))
if can_send?(user) && length(activities) > 0 do
email
|> EmailActivity.direct_activity(activities, Keyword.put(options, :locale, locale))
|> Mailer.send_email()
save_last_notification_time(user)
{:ok, :sent}
else
{:ok, :skipped}
end
end
@spec can_send_activity?(Activity.t(), User.t()) :: boolean()
defp can_send_activity?(%Activity{} = activity, %User{} = user) do
Filter.can_send_activity?(activity, "email", user, &default_activity_behavior/1)
end
@default_behavior %{
"participation_event_updated" => true,
"participation_event_comment" => true,
"event_new_pending_participation" => true,
"event_new_participation" => false,
"event_created" => false,
"event_updated" => false,
"discussion_updated" => false,
"post_published" => false,
"post_updated" => false,
"resource_updated" => false,
"member_request" => true,
"member_updated" => false,
"user_email_password_updated" => true,
"event_comment_mention" => true,
"discussion_mention" => true,
"event_new_comment" => true
}
@spec default_activity_behavior(String.t()) :: boolean()
defp default_activity_behavior(activity_setting) do
Map.get(@default_behavior, activity_setting, false)
end
@type notification_type ::
:group_notifications
| :notification_pending_participation
| :notification_pending_membership
@spec user_notification_delay(User.t(), notification_type()) ::
NotificationPendingNotificationDelay.t()
defp user_notification_delay(%User{} = user, type \\ :group_notifications) do
Map.from_struct(user.settings)[type]
end
@spec can_send?(User.t()) :: boolean()
defp can_send?(%User{settings: %Setting{last_notification_sent: last_notification_sent}} = user) do
last_notification_sent_or_default = last_notification_sent || DateTime.utc_now()
notification_delay = user_notification_delay(user)
diff = DateTime.diff(DateTime.utc_now(), last_notification_sent_or_default)
cond do
notification_delay == :none -> false
is_nil(last_notification_sent) -> true
notification_delay == :direct -> true
notification_delay == :one_hour -> diff >= 60 * 60
notification_delay == :one_day -> diff >= 24 * 60 * 60
end
end
@spec save_last_notification_time(User.t()) :: {:ok, Setting.t()} | {:error, Ecto.Changeset.t()}
defp save_last_notification_time(%User{id: user_id}) do
attrs = %{user_id: user_id, last_notification_sent: DateTime.utc_now()}
case Users.get_setting(user_id) do
nil ->
Users.create_setting(attrs)
%Setting{} = setting ->
Users.update_setting(setting, attrs)
end
end
end