Show query errors in UI

lib/vaccins_web/live/location_component.ex

@@ -14,7 +14,8 @@ defmodule VaccinsWeb.LocationComponent do
          last_refresh_date: nil,
          last_early_slot_seen: nil,
          render_as: :description_list,
-         is_local?: false
+         is_local?: false,
+         error_on_last_query?: false
        )}
 
   @impl true
@@ -91,6 +92,7 @@ defmodule VaccinsWeb.LocationComponent do
     do: ~L"""
       <%= cond do %>
         <%= @loading -> %>...
+        <% @error_on_last_query? -> %>>__<
         <% not has_slots?(assigns) -> %>Pas de créneau <%= if @last_early_slot_seen do %>(<%= @last_early_slot_seen |> DateTime.to_time() |> Time.truncate(:second) |> Time.to_string %>)<% end %>
         <% has_early_slots?(assigns) -> %><span class="alert-danger">Des dispos sous 24h !</span>
         <% has_slots?(assigns) -> %>Des dispos dans plus de 24h
@@ -115,9 +117,10 @@ defmodule VaccinsWeb.LocationComponent do
       </ul>
     """
 
-  defp integrate_availabilities(assigns = %{availabilities: {:error, _reason}}),
+  defp integrate_availabilities(assigns = %{availabilities: {:error, reason}}),
     do:
       assigns
+      |> Map.put(:error_on_last_query?, reason != :no_availability)
       |> Map.put(:slots_after, [])
       |> Map.put(:slots_before, [])
 
@@ -125,6 +128,7 @@ defmodule VaccinsWeb.LocationComponent do
        when is_list(after_slots),
        do:
          assigns
+         |> Map.put(:error_on_last_query?, false)
          |> Map.put(:slots_after, after_slots |> Enum.take(2))
          |> Map.put(:slots_before, [])
 
@@ -132,6 +136,7 @@ defmodule VaccinsWeb.LocationComponent do
        when is_list(before_slots),
        do:
          assigns
+         |> Map.put(:error_on_last_query?, false)
          |> Map.put(:slots_after, after_slots |> Enum.take(2))
          |> Map.put(:slots_before, before_slots |> Enum.take(2))
          |> Map.put(:last_early_slot_seen, DateTime.utc_now())