defmodule MobilizonWeb.Resolvers.Person do @moduledoc """ Handles the person-related GraphQL calls """ alias Mobilizon.Actors alias Mobilizon.Actors.Actor alias Mobilizon.Events alias Mobilizon.Events.Participant alias Mobilizon.Service.ActivityPub alias Mobilizon.Users alias Mobilizon.Users.User @doc """ Get a person """ def get_person(_parent, %{id: id}, _resolution) do with %Actor{} = actor <- Actors.get_actor_with_preload(id), actor <- proxify_pictures(actor) do {:ok, actor} else _ -> {:error, "Person with ID #{id} not found"} end end @doc """ Find a person """ def fetch_person(_parent, %{preferred_username: preferred_username}, _resolution) do with {:ok, %Actor{} = actor} <- ActivityPub.find_or_make_actor_from_nickname(preferred_username), actor <- proxify_pictures(actor) do {:ok, actor} else _ -> {:error, "Person with username #{preferred_username} not found"} end end @doc """ Returns the current actor for the currently logged-in user """ def get_current_person(_parent, _args, %{context: %{current_user: user}}) do {:ok, Users.get_actor_for_user(user)} end def get_current_person(_parent, _args, _resolution) do {:error, "You need to be logged-in to view current person"} end @doc """ Returns the list of identities for the logged-in user """ def identities(_parent, _args, %{context: %{current_user: user}}) do {:ok, Users.get_actors_for_user(user)} end def identities(_parent, _args, _resolution) do {:error, "You need to be logged-in to view your list of identities"} end @doc """ This function is used to create more identities from an existing user """ def create_person( _parent, %{preferred_username: _preferred_username} = args, %{context: %{current_user: user}} = _resolution ) do args = Map.put(args, :user_id, user.id) with args <- save_attached_pictures(args), {:ok, %Actor{} = new_person} <- Actors.new_person(args) do {:ok, new_person} end end @doc """ This function is used to create more identities from an existing user """ def create_person(_parent, _args, _resolution) do {:error, "You need to be logged-in to create a new identity"} end @doc """ This function is used to update an existing identity """ def update_person( _parent, %{id: id} = args, %{context: %{current_user: user}} = _resolution ) do args = Map.put(args, :user_id, user.id) with {:find_actor, %Actor{} = actor} <- {:find_actor, Actors.get_actor(id)}, {:is_owned, %Actor{}} <- User.owns_actor(user, actor.id), args <- save_attached_pictures(args), {:ok, _activity, %Actor{} = actor} <- ActivityPub.update(:actor, actor, args, true) do {:ok, actor} else {:find_actor, nil} -> {:error, "Actor not found"} {:is_owned, nil} -> {:error, "Actor is not owned by authenticated user"} end end def update_person(_parent, _args, _resolution) do {:error, "You need to be logged-in to update an identity"} end @doc """ This function is used to delete an existing identity """ def delete_person( _parent, %{id: id} = _args, %{context: %{current_user: user}} = _resolution ) do with {:find_actor, %Actor{} = actor} <- {:find_actor, Actors.get_actor(id)}, {:is_owned, %Actor{}} <- User.owns_actor(user, actor.id), {:last_identity, false} <- {:last_identity, last_identity?(user)}, {:last_admin, false} <- {:last_admin, last_admin_of_a_group?(actor.id)}, {:ok, actor} <- Actors.delete_actor(actor) do {:ok, actor} else {:find_actor, nil} -> {:error, "Actor not found"} {:last_identity, true} -> {:error, "Cannot remove the last identity of a user"} {:last_admin, true} -> {:error, "Cannot remove the last administrator of a group"} {:is_owned, nil} -> {:error, "Actor is not owned by authenticated user"} end end def delete_person(_parent, _args, _resolution) do {:error, "You need to be logged-in to delete an identity"} end defp last_identity?(user) do length(Users.get_actors_for_user(user)) <= 1 end defp save_attached_pictures(args) do Enum.reduce([:avatar, :banner], args, fn key, args -> if Map.has_key?(args, key) && !is_nil(args[key][:picture]) do pic = args[key][:picture] with {:ok, %{name: name, url: url, content_type: content_type, size: _size}} <- MobilizonWeb.Upload.store(pic.file, type: key, description: pic.alt) do Map.put(args, key, %{"name" => name, "url" => url, "mediaType" => content_type}) end else args end end) end @doc """ This function is used to register a person afterwards the user has been created (but not activated) """ def register_person(_parent, args, _resolution) do with {:ok, %User{} = user} <- Users.get_user_by_email(args.email), {:no_actor, nil} <- {:no_actor, Users.get_actor_for_user(user)}, args <- Map.put(args, :user_id, user.id), args <- save_attached_pictures(args), {:ok, %Actor{} = new_person} <- Actors.new_person(args) do {:ok, new_person} else {:error, :user_not_found} -> {:error, "No user with this email was found"} {:no_actor, _} -> {:error, "You already have a profile for this user"} {:error, %Ecto.Changeset{} = e} -> {:error, e} end end @doc """ Returns the participation for a specific event """ def person_participations(%Actor{id: actor_id}, %{event_id: event_id}, %{ context: %{current_user: user} }) do with {:is_owned, %Actor{} = _actor} <- User.owns_actor(user, actor_id), {:no_participant, {:ok, %Participant{} = participant}} <- {:no_participant, Events.get_participant(event_id, actor_id)} do {:ok, [participant]} else {:is_owned, nil} -> {:error, "Actor id is not owned by authenticated user"} {:no_participant, _} -> {:ok, []} end end @doc """ Returns the list of events this person is going to """ def person_participations(%Actor{id: actor_id}, _args, %{context: %{current_user: user}}) do with {:is_owned, %Actor{} = actor} <- User.owns_actor(user, actor_id), participations <- Events.list_event_participations_for_actor(actor) do {:ok, participations} else {:is_owned, nil} -> {:error, "Actor id is not owned by authenticated user"} end end def proxify_pictures(%Actor{} = actor) do actor |> proxify_avatar |> proxify_banner end # We check that the actor is not the last administrator/creator of a group @spec last_admin_of_a_group?(integer()) :: boolean() defp last_admin_of_a_group?(actor_id) do length(Actors.list_group_ids_where_last_administrator(actor_id)) > 0 end @spec proxify_avatar(Actor.t()) :: Actor.t() defp proxify_avatar(%Actor{avatar: %{url: avatar_url} = avatar} = actor) do actor |> Map.put(:avatar, avatar |> Map.put(:url, MobilizonWeb.MediaProxy.url(avatar_url))) end @spec proxify_avatar(Actor.t()) :: Actor.t() defp proxify_avatar(%Actor{} = actor), do: actor @spec proxify_banner(Actor.t()) :: Actor.t() defp proxify_banner(%Actor{banner: %{url: banner_url} = banner} = actor) do actor |> Map.put(:banner, banner |> Map.put(:url, MobilizonWeb.MediaProxy.url(banner_url))) end @spec proxify_banner(Actor.t()) :: Actor.t() defp proxify_banner(%Actor{} = actor), do: actor end