Datasets: label experimental

Fixes #4275.

apps/transport/lib/db/dataset.ex

@@ -1127,6 +1127,14 @@ defmodule DB.Dataset do
   def full_logo(%__MODULE__{full_logo: full_logo, custom_full_logo: custom_full_logo}),
     do: custom_full_logo || full_logo
 
+  @doc """
+  iex> experimental?(%DB.Dataset{custom_tags: ["experimental", "foo"]})
+  true
+  iex> experimental?(%DB.Dataset{custom_tags: ["foo"]})
+  false
+  """
+  def experimental?(%__MODULE__{} = dataset), do: has_custom_tag?(dataset, @experimental_tag)
+
   def reject_experimental_datasets(queryable) do
     queryable
     |> where([d], @experimental_tag not in d.tags)

apps/transport/lib/transport_web/live/backoffice/custom_tags_live.ex

@@ -72,6 +72,10 @@ defmodule TransportWeb.CustomTagsLive do
       %{
         name: "authentification_requise",
         doc: "Indique sur la page du JDD qu'il est nécessaire de s'authentifier pour accéder aux données."
+      },
+      %{
+        name: "experimental",
+        doc: "Ajoute sur la page du JDD une bannière indiquant que le jeu est expérimental"
       }
     ]
   end

apps/transport/lib/transport_web/templates/dataset/_banner.html.heex

@@ -10,3 +10,9 @@
     "The producer requires authentication to access the data. Consequently, some features on transport.data.gouv.fr, such as data availability, validations, and metadata, are unavailable for this dataset. Please follow the producer's instructions to gain access to the data."
   ) %>
 </p>
+<p :if={experimental?(@dataset)} class="notification mt-0">
+  ℹ️ <%= dgettext(
+    "page-dataset-details",
+    "This unofficial dataset is provided experimentally. Do not use it for travel information purpose."
+  ) %>
+</p>

apps/transport/lib/transport_web/views/dataset_view.ex

@@ -8,6 +8,7 @@ defmodule TransportWeb.DatasetView do
   # ~H expects a variable named `assigns`, so wrapping the calls to `~H` inside
   # a helper function would be cleaner and more future-proof to avoid conflicts at some point.
   import Phoenix.Component, only: [sigil_H: 2, live_render: 3]
+  import DB.Dataset, only: [experimental?: 1]
   import DB.MultiValidation, only: [get_metadata_info: 2, get_metadata_info: 3]
   alias Shared.DateTimeDisplay
   alias Transport.Validators.GTFSTransport

apps/transport/priv/gettext/en/LC_MESSAGES/page-dataset-details.po

@@ -717,3 +717,7 @@ msgstr ""
 #, elixir-autogen, elixir-format
 msgid "Data under the responsibility of"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+msgid "This unofficial dataset is provided experimentally. Do not use it for travel information purpose."
+msgstr ""

apps/transport/priv/gettext/fr/LC_MESSAGES/page-dataset-details.po

@@ -717,3 +717,7 @@ msgstr "Le producteur requiert une authentification pour accéder aux données.
 #, elixir-autogen, elixir-format
 msgid "Data under the responsibility of"
 msgstr "Données sous la responsabilité de"
+
+#, elixir-autogen, elixir-format
+msgid "This unofficial dataset is provided experimentally. Do not use it for travel information purpose."
+msgstr "Ce jeu de données non officiel est publié à titre expérimental. Veuillez à ne pas le réutiliser à des fins d'information voyageur."

apps/transport/priv/gettext/page-dataset-details.pot

@@ -717,3 +717,7 @@ msgstr ""
 #, elixir-autogen, elixir-format
 msgid "Data under the responsibility of"
 msgstr ""
+
+#, elixir-autogen, elixir-format
+msgid "This unofficial dataset is provided experimentally. Do not use it for travel information purpose."
+msgstr ""