feat: allow multiple nationalities

Resolves #108

people/forms.py

@@ -171,7 +171,7 @@ class PersonAnswerSetForm(forms.ModelForm, DynamicAnswerSetBase):
             'longitude',
         ]
         widgets = {
-            'nationality': Select2Widget(),
+            'nationality': Select2MultipleWidget(),
             'country_of_residence': Select2Widget(),
             'organisation_started_date': DatePickerInput(format='%Y-%m-%d'),
             'project_started_date': DatePickerInput(format='%Y-%m-%d'),

people/migrations/0052_allow_multiple_nationalities.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.10 on 2021-03-19 15:39
+
+from django.db import migrations
+import django_countries.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('people', '0051_refactor_hardcoded_questions'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='personanswerset',
+            name='nationality',
+            field=django_countries.fields.CountryField(blank=True, default=[], max_length=746, multiple=True),
+            preserve_default=False,
+        ),
+    ]

people/models/person.py

@@ -147,7 +147,7 @@ class PersonAnswerSet(AnswerSet):
     ##################
     # Static questions
 
-    nationality = CountryField(blank=True, null=True)
+    nationality = CountryField(multiple=True, blank=True)
 
     country_of_residence = CountryField(blank=True, null=True)
 

people/models/question.py

@@ -176,8 +176,11 @@ class AnswerSet(models.Model):
         try:
             for question in questions:
                 if question.hardcoded_field:
-                    question_answers[question.text] = getattr(
+                    answer = getattr(self, question.hardcoded_field)
-                        self, question.hardcoded_field)
+                    if isinstance(answer, list):
+                        answer = ', '.join(map(str, answer))
+
+                    question_answers[question.text] = answer
 
                 else:
                     answers = self.question_answers.filter(