mobilizon.chapril.org-mobil.../lib/mobilizon_web/api/search.ex

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defmodule MobilizonWeb.API.Search do
@moduledoc """
API for Search
"""
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Actors
alias Mobilizon.Actors.Actor
alias Mobilizon.Events
alias Mobilizon.Events.{Event, Comment}
require Logger
@doc """
Search
"""
@spec search(String.t(), integer(), integer()) ::
{:ok, list(Actor.t())} | {:ok, []} | {:error, any()}
def search(search, page \\ 1, limit \\ 10) do
do_search(search, page, limit, %{events: true, actors: true})
end
@doc """
Not used at the moment
"""
# TODO: Use me
@spec search_actors(String.t(), integer(), integer()) ::
{:ok, list(Actor.t())} | {:ok, []} | {:error, any()}
def search_actors(search, page \\ 1, limit \\ 10) do
do_search(search, page, limit, %{actors: true})
end
@doc """
Not used at the moment
"""
# TODO: Use me
@spec search_events(String.t(), integer(), integer()) ::
{:ok, list(Event.t())} | {:ok, []} | {:error, any()}
def search_events(search, page \\ 1, limit \\ 10) do
do_search(search, page, limit, %{events: true})
end
# Do the actual search
@spec do_search(String.t(), integer(), integer(), map()) :: {:ok, list(any())}
defp do_search(search, page, limit, opts) do
search = String.trim(search)
cond do
search == "" ->
{:error, "Search can't be empty"}
String.match?(search, ~r/@/) ->
{:ok, process_from_username(search)}
String.starts_with?(search, "https://") ->
{:ok, process_from_url(search)}
String.starts_with?(search, "http://") ->
{:ok, process_from_url(search)}
true ->
events =
Task.async(fn ->
if Map.get(opts, :events, false),
do: Events.find_events_by_name(search, page, limit),
else: []
end)
actors =
Task.async(fn ->
if Map.get(opts, :actors, false),
do: Actors.find_actors_by_username_or_name(search, page, limit),
else: []
end)
{:ok, Task.await(events) ++ Task.await(actors)}
end
end
# If the search string is an username
@spec process_from_username(String.t()) :: Actor.t() | nil
defp process_from_username(search) do
with {:ok, actor} <- ActivityPub.find_or_make_actor_from_nickname(search) do
actor
else
{:error, _err} ->
Logger.debug(fn -> "Unable to find or make actor '#{search}'" end)
nil
end
end
# If the search string is an URL
@spec process_from_url(String.t()) :: Actor.t() | Event.t() | Comment.t() | nil
defp process_from_url(search) do
with {:ok, object} <- ActivityPub.fetch_object_from_url(search) do
object
else
{:error, _err} ->
Logger.debug(fn -> "Unable to find or make object from URL '#{search}'" end)
nil
end
end
end