mobilizon/lib/graphql/api/participations.ex

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defmodule Mobilizon.GraphQL.API.Participations do
@moduledoc """
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Common API to join events and groups.
"""
alias Mobilizon.Actors.Actor
alias Mobilizon.Events
alias Mobilizon.Events.{Event, Participant}
alias Mobilizon.Federation.ActivityPub.{Actions, Activity}
alias Mobilizon.Service.Notifications.Scheduler
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alias Mobilizon.Web.Email.Participation
@spec join(Event.t(), Actor.t(), map()) ::
{:ok, Activity.t(), Participant.t()} | {:error, :already_participant}
def join(%Event{id: event_id} = event, %Actor{id: actor_id} = actor, args \\ %{}) do
case Mobilizon.Events.get_participant(event_id, actor_id, args) do
{:ok, %Participant{}} ->
{:error, :already_participant}
{:error, :participant_not_found} ->
Actions.Join.join(event, actor, Map.get(args, :local, true), %{metadata: args})
end
end
@spec leave(Event.t(), Actor.t(), map()) ::
{:ok, Activity.t(), Participant.t()}
| {:error, :is_only_organizer | :participant_not_found | Ecto.Changeset.t()}
def leave(%Event{} = event, %Actor{} = actor, args \\ %{}),
do: Actions.Leave.leave(event, actor, Map.get(args, :local, true), %{metadata: args})
@doc """
Update participation status
"""
@spec update(Participant.t(), Actor.t(), atom()) ::
{:ok, Activity.t(), Participant.t()} | {:error, Ecto.Changeset.t()}
def update(%Participant{} = participation, %Actor{} = moderator, :participant),
do: accept(participation, moderator)
def update(%Participant{} = participation, %Actor{} = _moderator, :not_approved) do
with {:ok, %Participant{} = participant} <-
Events.update_participant(participation, %{role: :not_approved}) do
Scheduler.pending_participation_notification(participation.event)
{:ok, nil, participant}
end
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end
def update(%Participant{} = participation, %Actor{} = moderator, :rejected),
do: reject(participation, moderator)
@spec accept(Participant.t(), Actor.t()) ::
{:ok, Activity.t(), Participant.t()} | {:error, Ecto.Changeset.t()}
defp accept(
%Participant{} = participation,
%Actor{} = moderator
) do
case Actions.Accept.accept(
:join,
participation,
true,
%{"actor" => moderator.url}
) do
{:ok, activity, %Participant{role: :participant} = participation} ->
Participation.send_emails_to_local_user(participation)
{:ok, activity, participation}
{:error, err} ->
{:error, err}
end
end
@spec reject(Participant.t(), Actor.t()) :: {:ok, Activity.t(), Participant.t()}
defp reject(
%Participant{} = participation,
%Actor{} = moderator
) do
with {:ok, activity, %Participant{role: :rejected} = participation} <-
Actions.Reject.reject(
:join,
participation,
true,
%{"actor" => moderator.url}
),
:ok <- Participation.send_emails_to_local_user(participation) do
{:ok, activity, participation}
end
end
end