Implement search with PostgreSQL trigrams

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Rename function to reflect that we only get one result

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Add loggers and make Ecto call parallels during search

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Implement trigrams for events & replace pg similarity operator % with <%

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Fix tests

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon_web/resolvers/event.ex

@@ -2,7 +2,6 @@ defmodule MobilizonWeb.Resolvers.Event do
   @moduledoc """
   Handles the event-related GraphQL calls
   """
-  alias Mobilizon.Service.ActivityPub
   alias Mobilizon.Activity
   alias Mobilizon.Events.{Event, Participant}
   alias Mobilizon.Actors.User
@@ -122,39 +121,6 @@ defmodule MobilizonWeb.Resolvers.Event do
     {:error, "You need to be logged-in to leave an event"}
   end
 
-  @doc """
-  Search events by title
-  """
-  def search_events(_parent, %{search: search, page: page, limit: limit}, _resolution) do
-    {:ok, Mobilizon.Events.find_events_by_name(search, page, limit)}
-  end
-
-  @doc """
-  Search events and actors by title
-  """
-  def search_events_and_actors(_parent, %{search: search, page: page, limit: limit}, _resolution) do
-    search = String.trim(search)
-
-    found =
-      case String.contains?(search, "@") do
-        true ->
-          with {:ok, actor} <- ActivityPub.find_or_make_actor_from_nickname(search) do
-            actor
-          else
-            {:error, _err} ->
-              nil
-          end
-
-        _ ->
-          Mobilizon.Events.find_events_by_name(search, page, limit) ++
-            Mobilizon.Actors.find_actors_by_username_or_name(search, page, limit)
-      end
-
-    require Logger
-    Logger.debug(inspect(found))
-    {:ok, found}
-  end
-
   @doc """
   Create an event
   """

lib/mobilizon_web/resolvers/group.ex

@@ -81,7 +81,7 @@ defmodule MobilizonWeb.Resolvers.Group do
           }
         }
       ) do
-    with {:ok, %Actor{} = group} <- Actors.find_group_by_actor_id(group_id),
+    with {:ok, %Actor{} = group} <- Actors.get_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),

lib/mobilizon_web/resolvers/search.ex

@@ -0,0 +1,13 @@
+defmodule MobilizonWeb.Resolvers.Search do
+  @moduledoc """
+  Handles the event-related GraphQL calls
+  """
+  alias MobilizonWeb.API.Search
+
+  @doc """
+  Search events and actors by title
+  """
+  def search_events_and_actors(_parent, %{search: search, page: page, limit: limit}, _resolution) do
+    Search.search(search, page, limit)
+  end
+end