mobilizon/lib/graphql/resolvers/member.ex

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Elixir
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2020-01-26 19:34:25 +00:00
defmodule Mobilizon.GraphQL.Resolvers.Member do
@moduledoc """
Handles the member-related GraphQL calls
"""
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alias Mobilizon.{Actors, Users}
alias Mobilizon.Actors.{Actor, Member}
alias Mobilizon.Federation.ActivityPub
alias Mobilizon.Storage.Page
alias Mobilizon.Users.User
@doc """
Find members for group.
If actor requesting is not part of the group, we only return the number of members, not members
"""
def find_members_for_group(
%Actor{id: group_id} = group,
%{page: page, limit: limit, roles: roles},
%{
context: %{current_user: %User{} = user}
} = _resolution
) do
with %Actor{id: actor_id} <- Users.get_actor_for_user(user),
{:member, true} <- {:member, Actors.is_member?(actor_id, group_id)} do
roles =
case roles do
"" ->
[]
roles ->
roles
|> String.split(",")
|> Enum.map(&String.downcase/1)
|> Enum.map(&String.to_existing_atom/1)
end
%Page{} = page = Actors.list_members_for_group(group, roles, page, limit)
{:ok, page}
else
{:member, false} ->
# Actor is not member of group, fallback to public
with %Page{} = page <- Actors.list_members_for_group(group) do
{:ok, %Page{page | elements: []}}
end
end
end
def find_members_for_group(%Actor{} = group, _args, _resolution) do
with %Page{} = page <- Actors.list_members_for_group(group) do
{:ok, %Page{page | elements: []}}
end
end
def invite_member(
_parent,
%{group_id: group_id, target_actor_username: target_actor_username},
%{context: %{current_user: %User{} = user}}
) do
with %Actor{id: actor_id} = actor <- Users.get_actor_for_user(user),
{:ok, %Actor{} = group} <- Actors.get_group_by_actor_id(group_id),
{:has_rights_to_invite, {:ok, %Member{role: role}}}
when role in [:moderator, :administrator, :creator] <-
{:has_rights_to_invite, Actors.get_member(actor_id, group_id)},
{:target_actor_username, {:ok, %Actor{id: target_actor_id} = target_actor}} <-
{:target_actor_username,
ActivityPub.find_or_make_actor_from_nickname(target_actor_username)},
{:error, :member_not_found} <- Actors.get_member(target_actor_id, group.id),
{:ok, _activity, %Member{} = member} <- ActivityPub.invite(group, actor, target_actor) do
{:ok, member}
else
{:is_owned, nil} ->
{:error, "Actor id is not owned by authenticated user"}
{:error, :group_not_found} ->
{:error, "Group id not found"}
{:target_actor_username, _} ->
{:error, "Actor invited doesn't exist"}
{:has_rights_to_invite, {:error, :member_not_found}} ->
{:error, "You are not a member of this group"}
{:has_rights_to_invite, _} ->
{:error, "You cannot invite to this group"}
{:ok, %Member{}} ->
{:error, "Actor is already a member of this group"}
end
end
def accept_invitation(_parent, %{id: member_id}, %{context: %{current_user: %User{} = user}}) do
with %Actor{id: actor_id} <- Users.get_actor_for_user(user),
%Member{actor: %Actor{id: member_actor_id}} = member <- Actors.get_member(member_id),
{:is_same_actor, true} <- {:is_same_actor, member_actor_id === actor_id},
{:ok, _activity, %Member{} = member} <-
ActivityPub.accept(
:invite,
member,
true
) do
# Launch an async task to refresh the group profile, fetch resources, discussions, members
{:ok, member}
end
end
end