feat: add custom error pages

app/Entirety/entirety/urls.py

@@ -18,6 +18,11 @@
 
 from . import views
 
+handler404 = "entirety.views.custom_page_not_found_view"
+handler500 = "entirety.views.custom_error_view"
+handler403 = "entirety.views.custom_permission_denied_view"
+handler400 = "entirety.views.custom_bad_request_view"
+
 urlpatterns = [
     path("admin/", admin.site.urls),
     path("", views.home, name="home"),

app/Entirety/entirety/views.py

@@ -1,6 +1,29 @@
+import requests
+
 from django.shortcuts import render
 
 
 def home(request):
     context = {}
     return render(request, "home.html", context)
+
+
+def __generic_error_handler(request, status_code: int):
+    context = {"error_code": status_code}
+    return render(request, "error.html", context)
+
+
+def custom_page_not_found_view(request, *args, **kwargs):
+    return __generic_error_handler(request, status_code=404)
+
+
+def custom_error_view(request, *args, **kwargs):
+    return __generic_error_handler(request, status_code=500)
+
+
+def custom_permission_denied_view(request, *args, **kwargs):
+    return __generic_error_handler(request, status_code=403)
+
+
+def custom_bad_request_view(request, *args, **kwargs):
+    return __generic_error_handler(request, status_code=400)

app/Entirety/templates/error.html

@@ -0,0 +1,10 @@
+{% extends '_base.html' %}
+
+{% block title %}Error {{ error_code }}{% endblock %}
+
+{% block content %}
+    <div class="d-flex">
+        {#    TODO: use custom error layout, but hey cats :D #}
+        <img src="https://http.cat/{{ error_code }}.jpg" class="rounded mx-auto d-block" alt="...">
+    </div>
+{% endblock %}