mobilizon.chapril.org-mobil.../lib/service/activity/comment.ex

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defmodule Mobilizon.Service.Activity.Comment do
@moduledoc """
Insert a comment activity
"""
alias Mobilizon.Actors.Actor
alias Mobilizon.{Discussions, Events}
alias Mobilizon.Discussions.Comment
alias Mobilizon.Events.Event
alias Mobilizon.Service.Activity
alias Mobilizon.Service.Workers.{ActivityBuilder, LegacyNotifierBuilder}
import Mobilizon.Service.Activity.Utils, only: [maybe_inserted_at: 0]
@behaviour Activity
@impl Activity
def insert_activity(comment, options \\ [])
def insert_activity(
%Comment{
actor_id: actor_id,
event_id: event_id
} = comment,
options
)
when not is_nil(actor_id) and not is_nil(event_id) do
with {:ok, %Event{} = event} <-
Events.get_event_with_preload(event_id) do
res =
[]
# Notify the actors mentionned
|> handle_notification(:mentionned, comment, event, options)
# Notify participants if there's a new announcement
|> handle_notification(:announcement, comment, event, options)
# Notify event organizer or group that there's new comments
|> handle_notification(:organizer, comment, event, options)
{:ok, res}
end
end
def insert_activity(_, _), do: {:ok, nil}
@impl Activity
def get_object(comment_id) do
Discussions.get_comment(comment_id)
end
@common_params %{
"type" => :comment,
"object_type" => :comment
}
@spec handle_notification(Keyword.t(), notification_type, Comment.t(), Event.t(), Keyword.t()) ::
Keyword.t()
defp handle_notification(global_res, function, comment, event, options) do
{:ok, res} = notify(function, comment, event, options)
Keyword.put(global_res, function, res)
end
@spec legacy_notifier_enqueue(map()) :: :ok
defp legacy_notifier_enqueue(args) do
LegacyNotifierBuilder.enqueue(
:legacy_notify,
@common_params |> Map.merge(maybe_inserted_at()) |> Map.merge(args)
)
end
@type notification_type :: :mentionned | :announcement | :organizer
# An actor is mentionned
@spec notify(notification_type(), Comment.t(), Event.t(), Keyword.t()) ::
{:ok, :enqueued} | {:ok, :skipped}
defp notify(
:mentionned,
%Comment{actor_id: actor_id, id: comment_id, mentions: mentions},
%Event{
uuid: uuid,
title: title
},
_options
)
when length(mentions) > 0 do
legacy_notifier_enqueue(%{
"subject" => :event_comment_mention,
"subject_params" => %{
event_uuid: uuid,
event_title: title
},
"author_id" => actor_id,
"object_id" => to_string(comment_id),
"mentions" => Enum.map(mentions, & &1.actor_id)
})
{:ok, :enqueued}
end
# An event has a new announcement, send it to the participants
defp notify(
:announcement,
%Comment{actor_id: actor_id, is_announcement: true, id: comment_id},
%Event{
id: event_id,
uuid: uuid,
title: title
},
_options
) do
legacy_notifier_enqueue(%{
"subject" => :participation_event_comment,
"subject_params" => %{
event_id: event_id,
event_uuid: uuid,
event_title: title
},
"author_id" => actor_id,
"object_id" => to_string(comment_id)
})
{:ok, :enqueued}
end
# A group event has a new comment, send it as an activity
defp notify(
:announcement,
%Comment{
actor_id: actor_id,
in_reply_to_comment_id: in_reply_to_comment_id,
id: comment_id
},
%Event{
uuid: uuid,
title: title,
attributed_to: %Actor{type: :Group, id: group_id}
},
options
) do
ActivityBuilder.enqueue(:build_activity, %{
"type" => "event",
"subject" => Keyword.fetch!(options, :subject),
"subject_params" => %{
event_title: title,
event_uuid: uuid,
comment_reply_to: !is_nil(in_reply_to_comment_id)
},
"group_id" => group_id,
"author_id" => actor_id,
"object_type" => "comment",
"object_id" => to_string(comment_id),
"inserted_at" => DateTime.utc_now()
})
{:ok, :enqueued}
end
# An event has a new comment, send it to the organizer
defp notify(
:organizer,
%Comment{
actor_id: actor_id,
in_reply_to_comment_id: in_reply_to_comment_id,
id: comment_id,
uuid: comment_uuid
} = comment,
%Event{
uuid: event_uuid,
title: title,
attributed_to: nil,
organizer_actor_id: organizer_actor_id
},
_options
)
when actor_id !== organizer_actor_id do
legacy_notifier_enqueue(%{
"subject" => :event_new_comment,
"subject_params" => %{
event_title: title,
event_uuid: event_uuid,
comment_reply_to: !is_nil(in_reply_to_comment_id),
comment_uuid: comment_uuid,
comment_reply_to_uuid: reply_to_comment_uuid(comment)
},
"author_id" => actor_id,
"object_id" => to_string(comment_id)
})
{:ok, :enqueued}
end
defp notify(_, _, _, _), do: {:ok, :skipped}
@spec reply_to_comment_uuid(Comment.t()) :: String.t() | nil
defp reply_to_comment_uuid(%Comment{in_reply_to_comment: %Comment{uuid: comment_reply_to_uuid}}),
do: comment_reply_to_uuid
defp reply_to_comment_uuid(%Comment{in_reply_to_comment: _}), do: nil
end