debianize-mobilizon/lib/mobilizon_web/resolvers/group.ex
2019-01-25 17:07:36 +01:00

109 lines
3.0 KiB
Elixir

defmodule MobilizonWeb.Resolvers.Group do
@moduledoc """
Handles the group-related GraphQL calls
"""
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, User, Member}
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Activity
require Logger
@doc """
Find a group
"""
def find_group(_parent, %{preferred_username: name}, _resolution) do
case ActivityPub.find_or_make_group_from_nickname(name) do
{:ok, actor} ->
{:ok, actor}
_ ->
{:error, "Group with name #{name} not found"}
end
end
@doc """
Lists all groups
"""
def list_groups(_parent, %{page: page, limit: limit}, _resolution) do
{:ok, Actors.list_groups(page, limit)}
end
@doc """
Create a new group. The creator is automatically added as admin
"""
def create_group(
_parent,
args,
%{
context: %{current_user: _user}
}
) do
with {:ok, %Activity{data: %{"object" => %{"type" => "Group"} = object}}} <-
MobilizonWeb.API.Groups.create_group(args) do
{:ok,
%Actor{
preferred_username: object["preferredUsername"],
summary: object["summary"],
type: :Group,
# uuid: object["uuid"],
url: object["id"]
}}
end
# with %Actor{id: actor_id} <- Actors.get_local_actor_by_name(actor_username),
# {:user_actor, true} <-
# {:user_actor, actor_id in Enum.map(Actors.get_actors_for_user(user), & &1.id)},
# {:ok, %Actor{} = group} <- Actors.create_group(%{preferred_username: preferred_username}) do
# {:ok, group}
# else
# {:error, %Ecto.Changeset{errors: [url: {"has already been taken", []}]}} ->
# {:error, :group_name_not_available}
# err ->
# Logger.error(inspect(err))
# err
# end
end
def create_group(_parent, _args, _resolution) do
{:error, "You need to be logged-in to create a group"}
end
@doc """
Delete an existing group
"""
def delete_group(
_parent,
%{group_id: group_id, actor_id: actor_id},
%{
context: %{
current_user: user
}
}
) do
with {:ok, %Actor{} = group} <- Actors.find_group_by_actor_id(group_id),
{:is_owned, true} <- User.owns_actor(user, actor_id),
{:ok, %Member{} = member} <- Member.get_member(actor_id, group.id),
{:is_admin, true} <- Member.is_administrator(member),
group <- Actors.delete_group!(group) do
{:ok, %{id: group.id}}
else
{:error, :group_not_found} ->
{:error, "Group not found"}
{:is_owned, false} ->
{:error, "Actor id is not owned by authenticated user"}
{:error, :member_not_found} ->
{:error, "Actor id is not a member of this group"}
{:is_admin, false} ->
{:error, "User is not an administrator of the selected group"}
end
end
def delete_group(_parent, _args, _resolution) do
{:error, "You need to be logged-in to delete a group"}
end
end