77 lines
2.4 KiB
Elixir
77 lines
2.4 KiB
Elixir
defmodule Mobilizon.Web.Email.Activity do
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@moduledoc """
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Handles emails sent about activity notifications.
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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.Activities.Activity
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Config
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alias Mobilizon.Web.{Email, Gettext}
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@spec direct_activity(String.t(), list(), String.t()) ::
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Bamboo.Email.t()
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def direct_activity(
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email,
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activities,
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options \\ []
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) do
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locale = Keyword.get(options, :locale, "en")
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single_activity = Keyword.get(options, :single_activity, false)
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Gettext.put_locale(locale)
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subject =
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gettext(
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"Activity notification for %{instance}",
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instance: Config.instance_name()
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)
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chunked_activities = chunk_activities(activities)
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Email.base_email(to: email, subject: subject)
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|> assign(:locale, locale)
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|> assign(:subject, subject)
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|> assign(:activities, chunked_activities)
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|> assign(:total_number_activities, length(activities))
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|> assign(:single_activity, single_activity)
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|> render(:email_direct_activity)
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end
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@spec chunk_activities(list()) :: map()
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defp chunk_activities(activities) do
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activities
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|> Enum.reduce(%{}, fn %Activity{group: %Actor{id: group_id}} = activity, acc ->
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Map.update(acc, group_id, [activity], fn activities -> activities ++ [activity] end)
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end)
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|> Enum.map(fn {key, value} ->
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{key, Enum.sort(value, &(&1.inserted_at <= &2.inserted_at))}
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end)
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|> Enum.map(fn {key, value} -> {key, filter_duplicates(value)} end)
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|> Enum.into(%{})
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end
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# We filter duplicates when subject_params are being the same
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# so it will probably not catch much things
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@spec filter_duplicates(list()) :: list()
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defp filter_duplicates(activities) do
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Enum.uniq_by(activities, fn %Activity{
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author: %Actor{id: author_id},
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group: %Actor{id: group_id},
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type: type,
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subject: subject,
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subject_params: subject_params
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} ->
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%{
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author_id: author_id,
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group_id: group_id,
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type: type,
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subject: subject,
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subject_params: subject_params
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}
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end)
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end
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end
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