forked from potsda.mn/mobilizon
94 lines
2.4 KiB
Elixir
94 lines
2.4 KiB
Elixir
defmodule Mobilizon.Web.Email.Event do
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@moduledoc """
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Handles emails sent about events.
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"""
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use Bamboo.Phoenix, view: Mobilizon.Web.EmailView
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import Bamboo.Phoenix
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import Mobilizon.Web.Gettext
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Events
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alias Mobilizon.Events.Event
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alias Mobilizon.Storage.Repo
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alias Mobilizon.Users.User
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alias Mobilizon.Web.{Email, Gettext}
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@important_changes [:title, :begins_on, :ends_on, :status, :physical_address]
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@spec event_updated(User.t(), Actor.t(), Event.t(), Event.t(), MapSet.t(), String.t()) ::
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Bamboo.Email.t()
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def event_updated(
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%User{} = user,
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%Actor{} = actor,
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%Event{} = old_event,
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%Event{} = event,
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changes,
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locale \\ "en"
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) do
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Gettext.put_locale(locale)
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subject =
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gettext(
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"Event %{title} has been updated",
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title: old_event.title
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)
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Email.base_email(to: {Actor.display_name(actor), user.email}, subject: subject)
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|> assign(:locale, locale)
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|> assign(:event, event)
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|> assign(:old_event, old_event)
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|> assign(:changes, changes)
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|> assign(:subject, subject)
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|> render(:event_updated)
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end
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def calculate_event_diff_and_send_notifications(
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%Event{} = old_event,
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%Event{id: event_id} = event,
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changes
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) do
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important = MapSet.new(@important_changes)
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diff =
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changes
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|> Map.keys()
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|> MapSet.new()
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|> MapSet.intersection(important)
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if MapSet.size(diff) > 0 do
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Repo.transaction(fn ->
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event_id
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|> Events.list_local_emails_user_participants_for_event_query()
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|> Repo.stream()
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|> Enum.to_list()
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|> Enum.each(
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&send_notification_for_event_update_to_participant(&1, old_event, event, diff)
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)
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end)
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end
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end
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defp send_notification_for_event_update_to_participant(
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{%Actor{} = actor, %User{locale: locale} = user},
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%Event{} = old_event,
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%Event{} = event,
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diff
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) do
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user
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|> Email.Event.event_updated(actor, old_event, event, diff, locale)
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|> Email.Mailer.deliver_later()
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end
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defp send_notification_for_event_update_to_participant(user, old_event, new_event, diff) do
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require Logger
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Logger.error(inspect(user))
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Logger.error(inspect(old_event))
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Logger.error(inspect(new_event))
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Logger.error(inspect(diff))
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end
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end
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