mobilizon/lib/service/workers/notification.ex

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Elixir
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defmodule Mobilizon.Service.Workers.Notification do
@moduledoc """
Worker to send notifications
"""
alias Mobilizon.Actors.Actor
alias Mobilizon.Events
alias Mobilizon.Events.{Event, Participant}
alias Mobilizon.Storage.Page
alias Mobilizon.Users
alias Mobilizon.Users.{Setting, User}
alias Mobilizon.Web.Email.{Mailer, Notification}
use Mobilizon.Service.Workers.Helper, queue: "mailers"
@impl Oban.Worker
def perform(%{"op" => "before_event_notification", "participant_id" => participant_id}, _job) do
with %Participant{actor: %Actor{user_id: user_id}, event: %Event{status: :confirmed}} =
participant <- Events.get_participant(participant_id),
%User{email: email, locale: locale, settings: %Setting{notification_before_event: true}} <-
Users.get_user_with_settings!(user_id) do
email
|> Notification.before_event_notification(participant, locale)
|> Mailer.deliver_later()
:ok
end
end
def perform(%{"op" => "on_day_notification", "user_id" => user_id}, _job) do
with %User{locale: locale, settings: %Setting{timezone: timezone, notification_on_day: true}} =
user <- Users.get_user_with_settings!(user_id),
{start, tomorrow} <- calculate_start_end(1, timezone),
%Page{
elements: participations,
total: total
}
when total > 0 <-
Events.list_participations_for_user(user_id, start, tomorrow, 1, 5),
participations <-
Enum.filter(participations, fn participation ->
participation.event.status == :confirmed
end),
true <- length(participations) > 0 do
user
|> Notification.on_day_notification(participations, total, locale)
|> Mailer.deliver_later()
:ok
else
_ -> :ok
end
end
def perform(%{"op" => "weekly_notification", "user_id" => user_id}, _job) do
with %User{
locale: locale,
settings: %Setting{timezone: timezone, notification_each_week: true}
} = user <- Users.get_user_with_settings!(user_id),
{start, end_week} <- calculate_start_end(7, timezone),
%Page{
elements: participations,
total: total
}
when total > 0 <-
Events.list_participations_for_user(user_id, start, end_week, 1, 5),
participations <-
Enum.filter(participations, fn participation ->
participation.event.status == :confirmed
end),
true <- length(participations) > 0 do
user
|> Notification.weekly_notification(participations, total, locale)
|> Mailer.deliver_later()
:ok
else
_err ->
:ok
end
end
defp shift_zone(datetime, timezone) do
case DateTime.shift_zone(datetime, timezone) do
{:ok, shift_datetime} -> shift_datetime
{:error, _} -> datetime
end
end
defp calculate_start_end(days, timezone) do
now = DateTime.utc_now()
%DateTime{} = now_shifted = shift_zone(now, timezone)
start = %{now_shifted | hour: 8, minute: 0, second: 0, microsecond: {0, 0}}
{:ok, %NaiveDateTime{} = tomorrow} =
Date.utc_today() |> Date.add(days) |> NaiveDateTime.new(~T[08:00:00])
{:ok, %DateTime{} = tomorrow} = DateTime.from_naive(tomorrow, timezone)
{start, tomorrow}
end
end