Make Categories a predefined list

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

Allow null values for categories for now

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

lib/mobilizon_web/resolvers/category.ex

@@ -1,48 +0,0 @@
-defmodule MobilizonWeb.Resolvers.Category do
-  @moduledoc """
-  Handles the category-related GraphQL calls
-  """
-  require Logger
-  alias Mobilizon.Actors.User
-
-  ###
-  # TODO : Refactor this into MobilizonWeb.API.Categories when a standard AS category is defined
-  ###
-  def list_categories(_parent, %{page: page, limit: limit}, _resolution) do
-    categories =
-      Mobilizon.Events.list_categories(page, limit)
-      |> Enum.map(fn category ->
-        urls = MobilizonWeb.Uploaders.Category.urls({category.picture, category})
-        Map.put(category, :picture, %{url: urls.original, url_thumbnail: urls.thumb})
-      end)
-
-    {:ok, categories}
-  end
-
-  def create_category(_parent, %{title: title, picture: picture, description: description}, %{
-        context: %{current_user: %User{} = _user}
-      }) do
-    with {:ok, category} <-
-           Mobilizon.Events.create_category(%{
-             title: title,
-             description: description,
-             picture: picture
-           }),
-         urls <- MobilizonWeb.Uploaders.Category.urls({category.picture, category}) do
-      Logger.info("Created category " <> title)
-      {:ok, Map.put(category, :picture, %{url: urls.original, url_thumbnail: urls.thumb})}
-    else
-      {:error, %Ecto.Changeset{errors: errors} = _changeset} ->
-        # This is pretty ridiculous for changeset to error
-        errors =
-          Enum.into(errors, %{})
-          |> Enum.map(fn {key, {value, _}} -> Atom.to_string(key) <> ": " <> value end)
-
-        {:error, errors}
-    end
-  end
-
-  def create_category(_parent, _args, %{}) do
-    {:error, "You are not allowed to create a category if not connected"}
-  end
-end