mirror of
https://framagit.org/framasoft/mobilizon.git
synced 2024-12-23 08:22:50 +00:00
9c9f1385fb
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
319 lines
8.8 KiB
Elixir
319 lines
8.8 KiB
Elixir
defmodule Mobilizon.GraphQL.Resolvers.Group do
|
||
@moduledoc """
|
||
Handles the group-related GraphQL calls.
|
||
"""
|
||
|
||
alias Mobilizon.{Actors, Events, Users}
|
||
alias Mobilizon.Actors.{Actor, Member}
|
||
alias Mobilizon.Federation.ActivityPub
|
||
alias Mobilizon.GraphQL.API
|
||
alias Mobilizon.GraphQL.Resolvers.Person
|
||
alias Mobilizon.Storage.Page
|
||
alias Mobilizon.Users.User
|
||
|
||
require Logger
|
||
|
||
@doc """
|
||
Find a group
|
||
"""
|
||
def find_group(
|
||
parent,
|
||
%{preferred_username: name} = args,
|
||
%{
|
||
context: %{
|
||
current_user: %User{} = user
|
||
}
|
||
}
|
||
) do
|
||
with {:ok, %Actor{id: group_id} = group} <-
|
||
ActivityPub.find_or_make_group_from_nickname(name),
|
||
{:actor, %Actor{id: actor_id} = _actor} <- {:actor, Users.get_actor_for_user(user)},
|
||
{:member, true} <- {:member, Actors.is_member?(actor_id, group_id)},
|
||
group <- Person.proxify_pictures(group) do
|
||
{:ok, group}
|
||
else
|
||
{:member, false} ->
|
||
find_group(parent, args, nil)
|
||
|
||
_ ->
|
||
{:error, "Group with name #{name} not found"}
|
||
end
|
||
end
|
||
|
||
@doc """
|
||
Find a group
|
||
"""
|
||
def find_group(_parent, %{preferred_username: name}, _resolution) do
|
||
with {:ok, actor} <- ActivityPub.find_or_make_group_from_nickname(name),
|
||
%Actor{} = actor <- Person.proxify_pictures(actor),
|
||
%Actor{} = actor <- restrict_fields_for_non_member_request(actor) do
|
||
{:ok, actor}
|
||
else
|
||
_ ->
|
||
{: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 creator_actor_id <- Map.get(args, :creator_actor_id),
|
||
{:is_owned, %Actor{} = creator_actor} <- User.owns_actor(user, creator_actor_id),
|
||
args <- Map.put(args, :creator_actor, creator_actor),
|
||
{:ok, _activity, %Actor{type: :Group} = group} <-
|
||
API.Groups.create_group(args) do
|
||
{:ok, group}
|
||
else
|
||
{:error, err} when is_binary(err) ->
|
||
{:error, err}
|
||
|
||
{:is_owned, nil} ->
|
||
{:error, "Creator actor id is not owned by the current user"}
|
||
end
|
||
end
|
||
|
||
def create_group(_parent, _args, _resolution) do
|
||
{:error, "You need to be logged-in to create a group"}
|
||
end
|
||
|
||
@doc """
|
||
Create a new group. The creator is automatically added as admin
|
||
"""
|
||
def update_group(
|
||
_parent,
|
||
args,
|
||
%{
|
||
context: %{
|
||
current_user: %User{} = user
|
||
}
|
||
}
|
||
) do
|
||
with %Actor{} = updater_actor <- Users.get_actor_for_user(user),
|
||
args <- Map.put(args, :updater_actor, updater_actor),
|
||
{:ok, _activity, %Actor{type: :Group} = group} <-
|
||
API.Groups.update_group(args) do
|
||
{:ok, group}
|
||
else
|
||
{:error, err} when is_binary(err) ->
|
||
{:error, err}
|
||
|
||
{:is_owned, nil} ->
|
||
{:error, "Creator actor id is not owned by the current user"}
|
||
end
|
||
end
|
||
|
||
def update_group(_parent, _args, _resolution) do
|
||
{:error, "You need to be logged-in to update 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 {actor_id, ""} <- Integer.parse(actor_id),
|
||
{group_id, ""} <- Integer.parse(group_id),
|
||
{:ok, %Actor{} = group} <- Actors.get_group_by_actor_id(group_id),
|
||
{:is_owned, %Actor{}} <- User.owns_actor(user, actor_id),
|
||
{:ok, %Member{} = member} <- Actors.get_member(actor_id, group.id),
|
||
{:is_admin, true} <- {:is_admin, 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, nil} ->
|
||
{: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, "Actor id 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
|
||
|
||
@doc """
|
||
Join an existing group
|
||
"""
|
||
def join_group(
|
||
_parent,
|
||
%{group_id: group_id, actor_id: actor_id},
|
||
%{
|
||
context: %{
|
||
current_user: user
|
||
}
|
||
}
|
||
) do
|
||
with {actor_id, ""} <- Integer.parse(actor_id),
|
||
{group_id, ""} <- Integer.parse(group_id),
|
||
{:is_owned, %Actor{} = actor} <- User.owns_actor(user, actor_id),
|
||
{:ok, %Actor{} = group} <- Actors.get_group_by_actor_id(group_id),
|
||
{:error, :member_not_found} <- Actors.get_member(actor.id, group.id),
|
||
{:is_able_to_join, true} <- {:is_able_to_join, Member.can_be_joined(group)},
|
||
role <- Member.get_default_member_role(group),
|
||
{:ok, _} <- Actors.create_member(%{parent_id: group.id, actor_id: actor.id, role: role}) do
|
||
{
|
||
:ok,
|
||
%{
|
||
parent: Person.proxify_pictures(group),
|
||
actor: Person.proxify_pictures(actor),
|
||
role: role
|
||
}
|
||
}
|
||
else
|
||
{:is_owned, nil} ->
|
||
{:error, "Actor id is not owned by authenticated user"}
|
||
|
||
{:error, :group_not_found} ->
|
||
{:error, "Group id not found"}
|
||
|
||
{:is_able_to_join, false} ->
|
||
{:error, "You cannot join this group"}
|
||
|
||
{:ok, %Member{}} ->
|
||
{:error, "You are already a member of this group"}
|
||
end
|
||
end
|
||
|
||
def join_group(_parent, _args, _resolution) do
|
||
{:error, "You need to be logged-in to join a group"}
|
||
end
|
||
|
||
@doc """
|
||
Leave a existing group
|
||
"""
|
||
def leave_group(
|
||
_parent,
|
||
%{group_id: group_id, actor_id: actor_id},
|
||
%{
|
||
context: %{
|
||
current_user: user
|
||
}
|
||
}
|
||
) do
|
||
with {actor_id, ""} <- Integer.parse(actor_id),
|
||
{group_id, ""} <- Integer.parse(group_id),
|
||
{:is_owned, %Actor{} = actor} <- User.owns_actor(user, actor_id),
|
||
{:ok, %Member{} = member} <- Actors.get_member(actor.id, group_id),
|
||
{:only_administrator, false} <-
|
||
{:only_administrator, check_that_member_is_not_last_administrator(group_id, actor_id)},
|
||
{:ok, _} <-
|
||
Mobilizon.Actors.delete_member(member) do
|
||
{
|
||
:ok,
|
||
%{
|
||
parent: %{
|
||
id: group_id
|
||
},
|
||
actor: %{
|
||
id: actor_id
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{:is_owned, nil} ->
|
||
{:error, "Actor id is not owned by authenticated user"}
|
||
|
||
{:error, :member_not_found} ->
|
||
{:error, "Member not found"}
|
||
|
||
{:only_administrator, true} ->
|
||
{:error, "You can't leave this group because you are the only administrator"}
|
||
end
|
||
end
|
||
|
||
def leave_group(_parent, _args, _resolution) do
|
||
{:error, "You need to be logged-in to leave a group"}
|
||
end
|
||
|
||
def find_events_for_group(
|
||
%Actor{id: group_id} = group,
|
||
_args,
|
||
%{
|
||
context: %{
|
||
current_user: %User{} = user
|
||
}
|
||
}
|
||
) do
|
||
with {:actor, %Actor{id: actor_id} = _actor} <- {:actor, Users.get_actor_for_user(user)},
|
||
{:member, true} <- {:member, Actors.is_member?(actor_id, group_id)} do
|
||
# TODO : Handle public / restricted to group members events
|
||
{:ok, Events.list_organized_events_for_group(group)}
|
||
else
|
||
{:member, false} ->
|
||
{:ok, %Page{total: 0, elements: []}}
|
||
end
|
||
end
|
||
|
||
def find_events_for_group(_parent, _args, _resolution) do
|
||
{:ok, %Page{total: 0, elements: []}}
|
||
end
|
||
|
||
# We check that the actor asking to leave the group is not it's only administrator
|
||
# We start by fetching the list of administrator or creators and if there's only one of them
|
||
# and that it's the actor requesting leaving the group we return true
|
||
@spec check_that_member_is_not_last_administrator(integer, integer) :: boolean
|
||
defp check_that_member_is_not_last_administrator(group_id, actor_id) do
|
||
case Actors.list_administrator_members_for_group(group_id) do
|
||
%Page{total: total} when total > 1 ->
|
||
true
|
||
|
||
%Page{
|
||
total: 1,
|
||
elements: [
|
||
%Member{
|
||
actor: %Actor{
|
||
id: member_actor_id
|
||
}
|
||
}
|
||
]
|
||
} ->
|
||
actor_id == member_actor_id
|
||
|
||
_ ->
|
||
false
|
||
end
|
||
end
|
||
|
||
defp restrict_fields_for_non_member_request(%Actor{} = group) do
|
||
Map.merge(
|
||
group,
|
||
%{
|
||
followers: [],
|
||
followings: [],
|
||
organized_events: [],
|
||
comments: [],
|
||
feed_tokens: []
|
||
}
|
||
)
|
||
end
|
||
end
|