mobilizon.chapril.org-mobil.../lib/graphql/resolvers/activity.ex

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defmodule Mobilizon.GraphQL.Resolvers.Activity do
@moduledoc """
Handles the activity-related GraphQL calls.
"""
import Mobilizon.Users.Guards
alias Mobilizon.{Activities, Actors, Discussions, Events, Posts, Resources, Users}
alias Mobilizon.Activities.Activity
alias Mobilizon.Actors.Actor
alias Mobilizon.Events.Event
alias Mobilizon.Storage.Page
alias Mobilizon.Users.User
require Logger
def group_activity(%Actor{type: :Group, id: group_id}, %{page: page, limit: limit} = args, %{
context: %{current_user: %User{role: role} = 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) or is_moderator(role)} do
%Page{total: total, elements: elements} =
Activities.list_group_activities_for_member(
group_id,
actor_id,
[type: Map.get(args, :type), author: Map.get(args, :author)],
page,
limit
)
elements =
Enum.map(elements, fn %Activity{} = activity ->
activity
|> Map.update(:subject_params, %{}, &transform_params/1)
|> Map.put(:object, get_object(activity))
end)
{:ok, %Page{total: total, elements: elements}}
else
{:member, false} ->
{:error, :unauthorized}
end
end
def group_activity(_, _, _) do
{:error, :unauthenticated}
end
defp get_object(%Activity{object_type: object_type, object_id: object_id}) do
get_object(object_type, object_id)
end
defp get_object(_, nil), do: nil
defp get_object(:event, event_id) do
case Events.get_event(event_id) do
{:ok, %Event{} = event} -> event
_ -> nil
end
end
defp get_object(:post, post_id) do
Posts.get_post(post_id)
end
defp get_object(:member, member_id) do
Actors.get_member(member_id)
end
defp get_object(:resource, resource_id) do
Resources.get_resource(resource_id)
end
defp get_object(:discussion, discussion_id) do
Discussions.get_discussion(discussion_id)
end
defp get_object(:group, group_id) do
Actors.get_actor(group_id)
end
defp get_object(:comment, comment_id) do
Discussions.get_comment(comment_id)
end
@spec transform_params(map()) :: list()
defp transform_params(params) do
Enum.map(params, fn {key, value} -> %{key: key, value: transform_value(value)} end)
end
defp transform_value(value) when is_list(value) do
Enum.join(value, ",")
end
defp transform_value(value), do: value
end