#99 Admin backend cleanup

* removes admin backend views which are not important for production
* adds filtering functionalities on index views
* simplifies detail views on intervention, compensation, ecoaccount and ema
* adds autocomplete fields on detail views
* adds handy horizontal filter fields on detail views

user/admin.py

@@ -19,6 +19,40 @@ class UserAdmin(admin.ModelAdmin):
         "last_name",
         "email",
     ]
+    fields = [
+        "username",
+        "first_name",
+        "last_name",
+        "email",
+        "is_active",
+        "is_staff",
+        "is_superuser",
+        "api_token",
+        "groups",
+        "notifications",
+        "date_joined",
+        "last_login",
+    ]
+    search_fields = [
+        "username",
+        "first_name",
+        "last_name",
+        "email",
+    ]
+    filter_horizontal = [
+        "groups",
+        "notifications",
+    ]
+    readonly_fields = [
+        "date_joined",
+        "last_login",
+    ]
+    autocomplete_fields = [
+        "api_token",
+    ]
+    exclude = [
+        "user_permissions",
+    ]
 
 
 class UserActionLogEntryAdmin(admin.ModelAdmin):
@@ -30,6 +64,8 @@ class UserActionLogEntryAdmin(admin.ModelAdmin):
     ]
 
 
-admin.site.register(UserNotification, UserNotificationAdmin)
-admin.site.register(UserActionLogEntry, UserActionLogEntryAdmin)
-admin.site.register(User, UserAdmin)
+admin.site.register(User, UserAdmin)
+
+# Outcommented for a cleaner admin backend on production
+#admin.site.register(UserNotification, UserNotificationAdmin)
+#admin.site.register(UserActionLogEntry, UserActionLogEntryAdmin)