Implement Credo software design suggestions

lib/mobilizon/reports/report.ex

@@ -11,6 +11,8 @@ defmodule Mobilizon.Reports.Report do
   alias Mobilizon.Events.{Comment, Event}
   alias Mobilizon.Reports.{Note, ReportStatus}
 
+  alias Mobilizon.Web.Endpoint
+
   @type t :: %__MODULE__{
           content: String.t(),
           status: ReportStatus.t(),
@@ -71,7 +73,7 @@ defmodule Mobilizon.Reports.Report do
   @spec maybe_generate_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
   defp maybe_generate_url(%Ecto.Changeset{} = changeset) do
     with res when res in [:error, {:data, nil}] <- fetch_field(changeset, :url),
-         url <- "#{Mobilizon.Web.Endpoint.url()}/report/#{Ecto.UUID.generate()}" do
+         url <- "#{Endpoint.url()}/report/#{Ecto.UUID.generate()}" do
       put_change(changeset, :url, url)
     else
       _ -> changeset