264 lines
9.4 KiB
Elixir
264 lines
9.4 KiB
Elixir
defmodule Mobilizon.GraphQL.Resolvers.Participant do
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@moduledoc """
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Handles the participation-related GraphQL calls.
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"""
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alias Mobilizon.{Actors, Config, Crypto, Events}
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Events.{Event, Participant}
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alias Mobilizon.GraphQL.API.Participations
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alias Mobilizon.GraphQL.Resolvers.Person
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alias Mobilizon.Users.User
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alias Mobilizon.Web.Email
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alias Mobilizon.Web.Email.Checker
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require Logger
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@doc """
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Join an event for an regular actor
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"""
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def actor_join_event(
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_parent,
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%{actor_id: actor_id, event_id: event_id} = args,
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%{context: %{current_user: %User{} = user}}
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) do
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case User.owns_actor(user, actor_id) do
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{:is_owned, %Actor{} = actor} ->
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do_actor_join_event(actor, event_id, args)
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_ ->
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{:error, "Actor id is not owned by authenticated user"}
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end
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end
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@doc """
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Join an event for an anonymous actor
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"""
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def actor_join_event(
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_parent,
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%{actor_id: actor_id, event_id: event_id} = args,
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_resolution
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) do
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with {:has_event, {:ok, %Event{} = event}} <-
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{:has_event, Mobilizon.Events.get_event_with_preload(event_id)},
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{:anonymous_participation_enabled, true} <-
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{:anonymous_participation_enabled,
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event.local == true && Config.anonymous_participation?() &&
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event.options.anonymous_participation == true},
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{:anonymous_actor_id, true} <-
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{:anonymous_actor_id, to_string(Config.anonymous_actor_id()) == actor_id},
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{:email_required, true} <-
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{:email_required,
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Config.anonymous_participation_email_required?() &&
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args |> Map.get(:email) |> valid_email?()},
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{:confirmation_token, {confirmation_token, role}} <-
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{:confirmation_token,
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if(Config.anonymous_participation_email_confirmation_required?(),
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do: {Crypto.random_string(30), :not_confirmed},
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else: {nil, :participant}
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)},
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# We only federate if the participation is not to be confirmed later
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args <-
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args
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|> Map.put(:confirmation_token, confirmation_token)
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|> Map.put(:cancellation_token, Crypto.random_string(30))
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|> Map.put(:role, role)
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|> Map.put(:local, role == :participant),
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{:actor_not_found, %Actor{} = actor} <-
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{:actor_not_found, Actors.get_actor_with_preload(actor_id)},
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{:ok, %Participant{} = participant} <- do_actor_join_event(actor, event_id, args) do
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if Config.anonymous_participation_email_required?() &&
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Config.anonymous_participation_email_confirmation_required?() do
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args
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|> Map.get(:email)
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|> Email.Participation.anonymous_participation_confirmation(participant)
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|> Email.Mailer.deliver_later()
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end
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{:ok, participant}
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else
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{:error, err} ->
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{:error, err}
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{:has_event, _} ->
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{:error, "Event with this ID #{inspect(event_id)} doesn't exist"}
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{:anonymous_participation_enabled, false} ->
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{:error, "Anonymous participation is not enabled"}
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{:anonymous_actor_id, false} ->
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{:error, "Actor ID provided is not the anonymous actor one"}
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{:email_required, _} ->
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{:error, "A valid email is required by your instance"}
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{:actor_not_found, _} ->
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Logger.error(
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"The actor ID \"#{actor_id}\" provided by configuration doesn't match any actor in database"
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)
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{:error, "Internal Error"}
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end
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end
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def actor_join_event(_parent, _args, _resolution) do
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{:error, "You need to be logged-in to join an event"}
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end
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@spec do_actor_join_event(Actor.t(), integer | String.t(), map()) ::
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{:ok, Participant.t()} | {:error, String.t()}
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defp do_actor_join_event(actor, event_id, args) do
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with {:has_event, {:ok, %Event{} = event}} <-
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{:has_event, Events.get_event_with_preload(event_id)},
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{:ok, _activity, participant} <- Participations.join(event, actor, args),
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%Participant{} = participant <-
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participant
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|> Map.put(:event, event)
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|> Map.put(:actor, Person.proxify_pictures(actor)) do
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{:ok, participant}
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else
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{:maximum_attendee_capacity, _} ->
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{:error, "The event has already reached its maximum capacity"}
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{:has_event, _} ->
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{:error, "Event with this ID #{inspect(event_id)} doesn't exist"}
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{:error, :event_not_found} ->
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{:error, "Event id not found"}
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{:ok, %Participant{}} ->
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{:error, "You are already a participant of this event"}
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end
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end
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@doc """
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Leave an event for an actor
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"""
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def actor_leave_event(
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_parent,
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%{actor_id: actor_id, event_id: event_id, token: token},
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_resolution
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)
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when not is_nil(token) do
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with {:anonymous_participation_enabled, true} <-
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{:anonymous_participation_enabled, Config.anonymous_participation?()},
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{:anonymous_actor_id, true} <-
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{:anonymous_actor_id, to_string(Config.anonymous_actor_id()) == actor_id},
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{:has_event, {:ok, %Event{} = event}} <-
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{:has_event, Mobilizon.Events.get_event_with_preload(event_id)},
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%Actor{} = actor <- Actors.get_actor_with_preload(actor_id),
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{:ok, _activity, %Participant{id: participant_id} = _participant} <-
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Participations.leave(event, actor, %{local: false, cancellation_token: token}) do
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{:ok, %{event: %{id: event_id}, actor: %{id: actor_id}, id: participant_id}}
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else
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{:has_event, _} ->
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{:error, "Event with this ID #{inspect(event_id)} doesn't exist"}
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{:is_owned, nil} ->
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{:error, "Actor id is not owned by authenticated user"}
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{:only_organizer, true} ->
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{:error, "You can't leave event because you're the only event creator participant"}
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{:error, :participant_not_found} ->
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{:error, "Participant not found"}
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end
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end
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def actor_leave_event(
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_parent,
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%{actor_id: actor_id, event_id: event_id},
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%{context: %{current_user: user}}
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) do
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with {:is_owned, %Actor{} = actor} <- User.owns_actor(user, actor_id),
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{:has_event, {:ok, %Event{} = event}} <-
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{:has_event, Events.get_event_with_preload(event_id)},
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{:ok, _activity, _participant} <- Participations.leave(event, actor) do
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{:ok, %{event: %{id: event_id}, actor: %{id: actor_id}}}
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else
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{:has_event, _} ->
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{:error, "Event with this ID #{inspect(event_id)} doesn't exist"}
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{:is_owned, nil} ->
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{:error, "Actor id is not owned by authenticated user"}
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{:only_organizer, true} ->
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{:error, "You can't leave event because you're the only event creator participant"}
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{:error, :participant_not_found} ->
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{:error, "Participant not found"}
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end
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end
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def actor_leave_event(_parent, _args, _resolution) do
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{:error, "You need to be logged-in to leave an event"}
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end
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def update_participation(
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_parent,
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%{id: participation_id, moderator_actor_id: moderator_actor_id, role: new_role},
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%{
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context: %{
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current_user: user
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}
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}
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) do
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# Check that moderator provided is rightly authenticated
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with {:is_owned, moderator_actor} <- User.owns_actor(user, moderator_actor_id),
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# Check that participation already exists
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{:has_participation, %Participant{role: old_role} = participation} <-
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{:has_participation, Events.get_participant(participation_id)},
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{:same_role, false} <- {:same_role, new_role == old_role},
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# Check that moderator has right
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{:actor_approve_permission, true} <-
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{:actor_approve_permission,
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Events.moderator_for_event?(participation.event.id, moderator_actor_id)},
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{:ok, _activity, participation} <-
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Participations.update(participation, moderator_actor, new_role) do
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{:ok, participation}
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else
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{:is_owned, nil} ->
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{:error, "Moderator Actor ID is not owned by authenticated user"}
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{:has_participation, nil} ->
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{:error, "Participant not found"}
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{:actor_approve_permission, _} ->
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{:error, "Provided moderator actor ID doesn't have permission on this event"}
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{:same_role, true} ->
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{:error, "Participant already has role #{new_role}"}
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{:error, :participant_not_found} ->
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{:error, "Participant not found"}
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end
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end
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@spec confirm_participation_from_token(map(), map(), map()) ::
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{:ok, Participant.t()} | {:error, String.t()}
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def confirm_participation_from_token(
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_parent,
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%{confirmation_token: confirmation_token},
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_context
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) do
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with {:has_participant,
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%Participant{actor: actor, role: :not_confirmed, event: event} = participant} <-
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{:has_participant, Events.get_participant_by_confirmation_token(confirmation_token)},
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default_role <- Events.get_default_participant_role(event),
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{:ok, _activity, %Participant{} = participant} <-
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Participations.update(participant, actor, default_role) do
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{:ok, participant}
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else
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{:has_participant, _} ->
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{:error, "This token is invalid"}
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end
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end
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@spec valid_email?(String.t() | nil) :: boolean
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defp valid_email?(email) when is_nil(email), do: false
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defp valid_email?(email) when is_bitstring(email) do
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email
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|> String.trim()
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|> Checker.valid?()
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end
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end
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