redirect urls with old format to new one

dojopuzzles/dojopuzzles/urls.py

@@ -19,5 +19,6 @@
 urlpatterns = [
     path("admin/", admin.site.urls),
     path("problems/", include("problems.urls")),
+    path("problemas/", include("problems.old_urls")),
     path("", include("core.urls")),
 ]

dojopuzzles/problems/old_urls.py

@@ -0,0 +1,13 @@
+# handles the old routes and match them to views that redirects to new urls format
+from django.urls import path
+
+from problems import oldurlstonew_views as views
+
+urlpatterns = [
+    path("exibe/random/", views.problem_random_redirect),
+    path(
+        "exibe/select/<int:problem_id>",
+        views.problem_select_redirect,
+    ),
+    path("exibe/<slug:slug>/", views.problem_details_redirect),
+]

dojopuzzles/problems/oldurlstonew_views.py

@@ -0,0 +1,14 @@
+# views to redirect old urls format to new ones.
+from django.shortcuts import redirect
+
+
+def problem_details_redirect(request, slug):
+    return redirect("problems:problem_details", slug=slug)
+
+
+def problem_random_redirect(request):
+    return redirect("problems:problem_random")
+
+
+def problem_select_redirect(request, problem_id):
+    return redirect("problems:problem_select", problem_id=problem_id)