debianize-mobilizon/lib/service/notifier/email.ex

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Elixir
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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.{Setting, User}
alias Mobilizon.Web.Email.Activity, as: EmailActivity
alias Mobilizon.Web.Email.Mailer
import Mobilizon.Service.DateTime,
only: [
is_delay_ok_since_last_notification_sent?: 1,
is_delay_ok_since_last_notification_sent?: 2
]
require Logger
@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, options))
nb_activities = length(activities)
if nb_activities > 0 do
Logger.info("Sending email containing #{nb_activities} activities to #{email}")
email
|> EmailActivity.direct_activity(activities, Keyword.put(options, :locale, locale))
|> Mailer.send_email()
save_last_notification_time(user)
{:ok, :sent}
else
Logger.debug("No activities to send by email")
{:ok, :skipped}
end
end
@doc """
Send an anonymous activity directly to an email, for anonymous participants for instance
"""
@spec send_anonymous_activity(String.t(), Activity.t(), Keyword.t()) :: {:ok, :sent}
def send_anonymous_activity(email, %Activity{} = activity, options) do
email
|> EmailActivity.anonymous_activity(activity, options)
|> Mailer.send_email()
{:ok, :sent}
end
# These notifications are using LegacyNotifierBuilder and don't have any history,
# so we always send them directly, as long as the setting isn't none
@always_direct_subjects [
:participation_event_comment,
:event_comment_mention,
:discussion_mention,
:event_new_comment
]
@spec can_send_activity?(Activity.t(), User.t(), Keyword.t()) :: boolean()
defp can_send_activity?(
%Activity{subject: subject} = activity,
%User{
settings: %Setting{
group_notifications: group_notifications,
last_notification_sent: last_notification_sent
}
} = user,
options
) do
Filter.can_send_activity?(activity, "email", user, &default_activity_behavior/1) &&
match_group_notifications_setting(
group_notifications,
subject,
last_notification_sent,
options
)
end
@spec match_group_notifications_setting(
non_neg_integer(),
String.t(),
DateTime.t() | nil,
Keyword.t()
) :: boolean()
# No notifications at all
defp match_group_notifications_setting(:none, _, _, _), do: false
# Every notification
defp match_group_notifications_setting(:direct, _, _, _), do: true
# Direct notifications
defp match_group_notifications_setting(_, subject, _, _)
when subject in @always_direct_subjects,
do: true
# First notification EVER!
defp match_group_notifications_setting(:one_hour, _, last_notification_sent, _)
when is_nil(last_notification_sent),
do: true
# Delay ok since last notification
defp match_group_notifications_setting(:one_hour, _, %DateTime{} = last_notification_sent, _) do
is_delay_ok_since_last_notification_sent?(last_notification_sent)
end
# Delay ok since last notification
defp match_group_notifications_setting(
:one_day,
_,
%DateTime{} = last_notification_sent,
options
) do
is_delay_ok_since_last_notification_sent?(last_notification_sent, 3_600 * 23) and
Keyword.get(options, :recap, false) != false
end
defp match_group_notifications_setting(
:one_week,
_,
%DateTime{} = last_notification_sent,
options
) do
is_delay_ok_since_last_notification_sent?(last_notification_sent, 3_600 * 24 * 6) and
Keyword.get(options, :recap, false) != false
end
# This is a recap
defp match_group_notifications_setting(
_group_notifications,
_subject,
_last_notification_sent,
options
) do
Keyword.get(options, :recap, false) != false
end
@default_behavior %{
"participation_event_updated" => true,
"participation_event_comment" => true,
"event_new_pending_participation" => true,
"event_new_participation" => false,
"event_created" => true,
"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
@spec save_last_notification_time(User.t()) :: {:ok, Setting.t()} | {:error, Ecto.Changeset.t()}
defp save_last_notification_time(%User{id: user_id, email: email}) do
Logger.info("Saving last notification time for user #{email}")
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