wip: creating a multiple choice field for additional categories

2 files changed, 12 insertions, 4 deletions

diff --git a/pyblackbird_cc/resources/forms.py b/pyblackbird_cc/resources/forms.py
index 35c5034..1b82ab7 100644
--- a/pyblackbird_cc/resources/forms.py
+++ b/pyblackbird_cc/resources/forms.py
@@ -1,4 +1,5 @@
 import logging
+from typing import List, Tuple
 
 import magic
 from crispy_forms.helper import FormHelper
@@ -18,6 +19,14 @@ ALLOWED_THUMBNAILS = 5
 ALLOWED_PDFS = 20
 
 
+def _create_choices_tuple() -> List[Tuple[str, str]]:
+    qs_lst = list(ResourceCategory.objects.values_list('name', flat=True))
+    res = []
+    for x in qs_lst:
+        res.append((x, x))
+    return res
+
+
 class ResourceCreateForm(forms.Form):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -75,8 +84,8 @@ class ResourceCreateForm(forms.Form):
         "searches. It's a good idea to limit the number of subjects you select "
         "to one or two to make your resource easier to find.",
     )
-    additional_resource_category = forms.ModelChoiceField(
-        queryset=ResourceCategory.objects.all(),
+    additional_resource_category = forms.MultipleChoiceField(
+        choices=_create_choices_tuple(),
         required=False,
     )
     pdf_files = forms.FileField(
diff --git a/pyblackbird_cc/resources/models.py b/pyblackbird_cc/resources/models.py
index 6b0a9b0..d302ae6 100644
--- a/pyblackbird_cc/resources/models.py
+++ b/pyblackbird_cc/resources/models.py
@@ -45,9 +45,8 @@ class Resource(models.Model):
         null=False,
         related_name="main_resource_category",
     )
-    additional_resource_category = models.ForeignKey(
+    additional_resource_category = models.ManyToManyField(
         "ResourceCategory",
-        on_delete=models.CASCADE,
         null=True,
         blank=True,
         related_name="additional_resource_category",