mirror of
https://framagit.org/framasoft/mobilizon.git
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4ff00e92b6
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
339 lines
10 KiB
Elixir
339 lines
10 KiB
Elixir
defmodule Mobilizon.GraphQL.Resolvers.Event do
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@moduledoc """
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Handles the event-related GraphQL calls.
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"""
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alias Mobilizon.{Actors, Admin, Events, Users}
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Config
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alias Mobilizon.Events.{Event, EventParticipantStats}
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alias Mobilizon.Users.User
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alias Mobilizon.GraphQL.API
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alias Mobilizon.Federation.ActivityPub.Activity
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import Mobilizon.Users.Guards, only: [is_moderator: 1]
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import Mobilizon.Web.Gettext
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# We limit the max number of events that can be retrieved
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@event_max_limit 100
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@number_of_related_events 3
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def organizer_for_event(
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%Event{attributed_to_id: attributed_to_id, organizer_actor_id: organizer_actor_id},
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_args,
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%{context: %{current_user: %User{role: user_role} = user}} = _resolution
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)
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when not is_nil(attributed_to_id) do
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with %Actor{id: group_id} <- Actors.get_actor(attributed_to_id),
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%Actor{id: actor_id} <- Users.get_actor_for_user(user),
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{:member, true} <-
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{:member, Actors.is_member?(actor_id, group_id) or is_moderator(user_role)},
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%Actor{} = actor <- Actors.get_actor(organizer_actor_id) do
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{:ok, actor}
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else
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_ -> {:ok, nil}
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end
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end
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def organizer_for_event(
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%Event{attributed_to_id: attributed_to_id},
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_args,
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_resolution
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)
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when not is_nil(attributed_to_id) do
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case Actors.get_actor(attributed_to_id) do
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%Actor{} -> {:ok, nil}
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_ -> {:error, "Unable to get organizer actor"}
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end
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end
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def organizer_for_event(
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%Event{organizer_actor_id: organizer_actor_id},
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_args,
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_resolution
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) do
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case Actors.get_actor(organizer_actor_id) do
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%Actor{} = actor -> {:ok, actor}
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_ -> {:error, "Unable to get organizer actor"}
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end
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end
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def list_events(
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_parent,
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%{page: page, limit: limit, order_by: order_by, direction: direction},
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_resolution
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)
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when limit < @event_max_limit do
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{:ok, Events.list_events(page, limit, order_by, direction)}
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end
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def list_events(_parent, %{page: _page, limit: _limit}, _resolution) do
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{:error, :events_max_limit_reached}
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end
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defp find_private_event(
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_parent,
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%{uuid: uuid},
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%{context: %{current_user: %User{id: user_id}}} = _resolution
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) do
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case {:has_event, Events.get_own_event_by_uuid_with_preload(uuid, user_id)} do
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{:has_event, %Event{} = event} ->
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{:ok, event}
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{:has_event, _} ->
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{:error, :event_not_found}
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end
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end
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defp find_private_event(_parent, _args, _resolution) do
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{:error, :event_not_found}
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end
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def find_event(parent, %{uuid: uuid} = args, %{context: context} = resolution) do
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with {:has_event, %Event{} = event} <-
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{:has_event, Events.get_public_event_by_uuid_with_preload(uuid)},
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{:access_valid, true} <-
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{:access_valid, Map.has_key?(context, :current_user) || check_event_access(event)} do
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{:ok, event}
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else
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{:has_event, _} ->
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find_private_event(parent, args, resolution)
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{:access_valid, _} ->
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{:error, :event_not_found}
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end
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end
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@spec check_event_access(Event.t()) :: boolean()
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defp check_event_access(%Event{local: true}), do: true
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defp check_event_access(%Event{url: url}) do
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relay_actor_id = Config.relay_actor_id()
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Events.check_if_event_has_instance_follow(url, relay_actor_id)
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end
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@doc """
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List participants for event (through an event request)
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"""
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def list_participants_for_event(
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%Event{id: event_id},
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%{page: page, limit: limit, roles: roles},
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%{context: %{current_user: %User{} = user}} = _resolution
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) do
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with %Actor{id: actor_id} <- Users.get_actor_for_user(user),
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# Check that moderator has right
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{:actor_approve_permission, true} <-
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{:actor_approve_permission, Events.moderator_for_event?(event_id, actor_id)} do
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roles =
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case roles do
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"" ->
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[]
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roles ->
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roles
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|> String.split(",")
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|> Enum.map(&String.downcase/1)
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|> Enum.map(&String.to_existing_atom/1)
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end
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participants = Events.list_participants_for_event(event_id, roles, page, limit)
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{:ok, participants}
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else
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{:actor_approve_permission, _} ->
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{:error,
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dgettext("errors", "Provided moderator profile doesn't have permission on this event")}
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end
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end
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def list_participants_for_event(_, _args, _resolution) do
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{:ok, %{total: 0, elements: []}}
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end
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def stats_participants(
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%Event{participant_stats: %EventParticipantStats{} = stats, id: event_id} = _event,
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_args,
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%{context: %{current_user: %User{id: user_id} = _user}} = _resolution
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) do
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if Events.is_user_moderator_for_event?(user_id, event_id) do
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{:ok,
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Map.put(
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stats,
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:going,
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stats.participant + stats.moderator + stats.administrator + stats.creator
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)}
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else
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{:ok, %{participant: stats.participant}}
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end
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end
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def stats_participants(
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%Event{participant_stats: %EventParticipantStats{participant: participant}},
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_args,
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_resolution
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) do
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{:ok, %EventParticipantStats{participant: participant}}
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end
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def stats_participants(_event, _args, _resolution) do
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{:ok, %EventParticipantStats{}}
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end
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@doc """
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List related events
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"""
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def list_related_events(
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%Event{tags: tags, organizer_actor: organizer_actor, uuid: uuid},
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_args,
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_resolution
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) do
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# We get the organizer's next public event
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events =
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[Events.get_upcoming_public_event_for_actor(organizer_actor, uuid)]
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|> Enum.filter(&is_map/1)
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# We find similar events with the same tags
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# uniq_by : It's possible event_from_same_actor is inside events_from_tags
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events =
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events
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|> Enum.concat(Events.list_events_by_tags(tags, @number_of_related_events))
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|> uniq_events()
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# TODO: We should use tag_relations to find more appropriate events
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# We've considered all recommended events, so we fetch the latest events
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events =
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if @number_of_related_events - length(events) > 0 do
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events
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|> Enum.concat(
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Events.list_events(1, @number_of_related_events, :begins_on, :asc, true).elements
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)
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|> uniq_events()
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else
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events
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end
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events =
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events
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# We remove the same event from the results
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|> Enum.filter(fn event -> event.uuid != uuid end)
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# We return only @number_of_related_events right now
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|> Enum.take(@number_of_related_events)
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{:ok, events}
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end
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defp uniq_events(events), do: Enum.uniq_by(events, fn event -> event.uuid end)
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@doc """
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Create an event
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"""
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def create_event(
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_parent,
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%{organizer_actor_id: organizer_actor_id} = args,
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%{context: %{current_user: user}} = _resolution
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) do
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# See https://github.com/absinthe-graphql/absinthe/issues/490
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with {:is_owned, %Actor{} = organizer_actor} <- User.owns_actor(user, organizer_actor_id),
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args <- Map.put(args, :options, args[:options] || %{}),
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args_with_organizer <- Map.put(args, :organizer_actor, organizer_actor),
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{:ok, %Activity{data: %{"object" => %{"type" => "Event"}}}, %Event{} = event} <-
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API.Events.create_event(args_with_organizer) do
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{:ok, event}
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else
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{:is_owned, nil} ->
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{:error, dgettext("errors", "Organizer profile is not owned by the user")}
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{:error, _, %Ecto.Changeset{} = error, _} ->
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{:error, error}
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{:error, %Ecto.Changeset{} = error} ->
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{:error, error}
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end
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end
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def create_event(_parent, _args, _resolution) do
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{:error, dgettext("errors", "You need to be logged-in to create events")}
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end
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@doc """
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Update an event
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"""
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def update_event(
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_parent,
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%{event_id: event_id} = args,
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%{context: %{current_user: %User{} = user}} = _resolution
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) do
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# See https://github.com/absinthe-graphql/absinthe/issues/490
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with args <- Map.put(args, :options, args[:options] || %{}),
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{:ok, %Event{} = event} <- Events.get_event_with_preload(event_id),
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{:old_actor, {:is_owned, %Actor{}}} <-
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{:old_actor, User.owns_actor(user, event.organizer_actor_id)},
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new_organizer_actor_id <- args |> Map.get(:organizer_actor_id, event.organizer_actor_id),
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{:new_actor, {:is_owned, %Actor{} = organizer_actor}} <-
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{:new_actor, User.owns_actor(user, new_organizer_actor_id)},
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args <- Map.put(args, :organizer_actor, organizer_actor),
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{:ok, %Activity{data: %{"object" => %{"type" => "Event"}}}, %Event{} = event} <-
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API.Events.update_event(args, event) do
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{:ok, event}
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else
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{:error, :event_not_found} ->
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{:error, dgettext("errors", "Event not found")}
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{:old_actor, _} ->
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{:error, dgettext("errors", "You can't edit this event.")}
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{:new_actor, _} ->
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{:error, dgettext("errors", "You can't attribute this event to this profile.")}
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{:error, _, %Ecto.Changeset{} = error, _} ->
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{:error, error}
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end
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end
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def update_event(_parent, _args, _resolution) do
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{:error, dgettext("errors", "You need to be logged-in to update an event")}
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end
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@doc """
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Delete an event
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"""
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def delete_event(
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_parent,
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%{event_id: event_id},
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%{context: %{current_user: %User{role: role} = user}}
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) do
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with {:ok, %Event{local: is_local} = event} <- Events.get_event_with_preload(event_id),
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%Actor{id: actor_id} = actor <- Users.get_actor_for_user(user) do
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cond do
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{:event_can_be_managed, true} == Event.can_be_managed_by(event, actor_id) ->
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do_delete_event(event, actor)
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role in [:moderator, :administrator] ->
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with {:ok, res} <- do_delete_event(event, actor, !is_local),
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%Actor{} = actor <- Actors.get_actor(actor_id) do
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Admin.log_action(actor, "delete", event)
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{:ok, res}
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end
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true ->
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{:error, dgettext("errors", "You cannot delete this event")}
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end
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else
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{:error, :event_not_found} ->
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{:error, dgettext("errors", "Event not found")}
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end
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end
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def delete_event(_parent, _args, _resolution) do
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{:error, dgettext("errors", "You need to be logged-in to delete an event")}
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end
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defp do_delete_event(%Event{} = event, %Actor{} = actor, federate \\ true)
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when is_boolean(federate) do
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with {:ok, _activity, event} <- API.Events.delete_event(event, actor) do
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{:ok, %{id: event.id}}
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end
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end
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end
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