mobilizon/lib/mobilizon_web/resolvers/event.ex

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Elixir
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defmodule MobilizonWeb.Resolvers.Event do
@moduledoc """
Handles the event-related GraphQL calls
"""
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Activity
alias Mobilizon.Actors
alias Mobilizon.Events.Event
# We limit the max number of events that can be retrieved
@event_max_limit 100
def list_events(_parent, %{page: page, limit: limit}, _resolution)
when limit < @event_max_limit do
{:ok, Mobilizon.Events.list_events(page, limit)}
end
def list_events(_parent, %{page: _page, limit: _limit}, _resolution) do
{:error, :events_max_limit_reached}
end
def find_event(_parent, %{uuid: uuid}, _resolution) do
case Mobilizon.Events.get_event_full_by_uuid(uuid) do
nil ->
{:error, "Event with UUID #{uuid} not found"}
event ->
{:ok, event}
end
end
@doc """
List participant for event (separate request)
"""
def list_participants_for_event(_parent, %{uuid: uuid}, _resolution) do
{:ok, Mobilizon.Events.list_participants_for_event(uuid)}
end
@doc """
List participants for event (through an event request)
"""
def list_participants_for_event(%{uuid: uuid}, %{page: page, limit: limit}, _resolution) do
{:ok, Mobilizon.Events.list_participants_for_event(uuid, page, limit)}
end
@doc """
Search events by title
"""
def search_events(_parent, %{search: search, page: page, limit: limit}, _resolution) do
{:ok, Mobilizon.Events.find_events_by_name(search, page, limit)}
end
@doc """
Search events and actors by title
"""
def search_events_and_actors(_parent, %{search: search, page: page, limit: limit}, _resolution) do
search = String.trim(search)
found =
case String.contains?(search, "@") do
true ->
with {:ok, actor} <- ActivityPub.find_or_make_actor_from_nickname(search) do
actor
else
{:error, _err} ->
nil
end
_ ->
Mobilizon.Events.find_events_by_name(search, page, limit) ++
Mobilizon.Actors.find_actors_by_username_or_name(search, page, limit)
end
require Logger
Logger.debug(inspect(found))
{:ok, found}
end
@doc """
Create an event
"""
def create_event(_parent, args, %{context: %{current_user: user}}) do
with {:ok, %Activity{data: %{"object" => %{"type" => "Event"} = object}}} <-
args
# Set default organizer_actor_id if none set
|> Map.update(
:organizer_actor_username,
Actors.get_actor_for_user(user).preferred_username,
& &1
)
|> MobilizonWeb.API.Events.create_event() do
{:ok,
%Event{
title: object["name"],
description: object["content"],
uuid: object["uuid"],
url: object["id"]
}}
end
end
def create_event(_parent, _args, _resolution) do
{:error, "You need to be logged-in to create events"}
end
end