From 673ee6d7cc2386a233743e0daececc5b45459a5d Mon Sep 17 00:00:00 2001
From: Konrad Mohrfeldt <konrad.mohrfeldt@farbdev.org>
Date: Wed, 23 Mar 2022 01:34:16 +0100
Subject: [PATCH] feat: add new syntaxes for filtering by choices
In addition to the
?foo=1,2,3
filter syntax we now also support
?foo=1&foo=2&foo=3
?foo[]=1&foo[]=2&foo[]=3
---
program/filters.py | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/program/filters.py b/program/filters.py
index 4afad051..7e8a3eb7 100644
--- a/program/filters.py
+++ b/program/filters.py
@@ -20,8 +20,19 @@ class StaticFilterHelpTextMixin:
class ModelMultipleChoiceFilter(filters.ModelMultipleChoiceFilter):
+ class QueryArrayWidget(widgets.QueryArrayWidget):
+ # see: https://github.com/carltongibson/django-filter/issues/1047
+ def value_from_datadict(self, data, files, name):
+ new_data = {}
+ for key in data.keys():
+ if len(data.getlist(key)) == 1 and "," in data[key]:
+ new_data[key] = data[key]
+ else:
+ new_data[key] = data.getlist(key)
+ return super().value_from_datadict(new_data, files, name)
+
def __init__(self, *args, **kwargs):
- kwargs.setdefault("widget", widgets.CSVWidget())
+ kwargs.setdefault("widget", self.QueryArrayWidget())
kwargs["lookup_expr"] = "in"
super().__init__(*args, **kwargs)
--
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