dynamically populate signup languages field with known languages (#129)

lab/gateway/urls.py

@@ -26,4 +26,6 @@
     path("survey_invites/", views.SurveyInvitesView.as_view()),
     #
     path("deactivate/", views.DeactivateView.as_view()),
+    #
+    path("languages/", views.LanguagesView.as_view()),
 ]

lab/gateway/views.py

@@ -5,6 +5,8 @@
 from rest_framework.response import Response
 
 from experiments.serializers import AppointmentSerializer
+from participants.models import Language
+from participants.serializers import LanguageSerializer
 from signups.models import Signup
 from signups.serializers import SignupSerializer
 from survey_admin.models import SurveyDefinition, SurveyResponse
@@ -109,3 +111,8 @@ class DeactivateView(views.APIView):
     def post(self, request, *args, **kwargs):
         self.request.participant.deactivate()
         return Response(dict())
+
+
+class LanguagesView(generics.ListAPIView):
+    serializer_class = LanguageSerializer
+    queryset = Language.objects.all()

lab/participants/migrations/0007_default_languages.py

@@ -0,0 +1,37 @@
+# Generated by Django 4.0.7 on 2023-11-24 09:42
+
+from django.db import migrations
+
+languages = [
+    "Engels",
+    "Duits",
+    "Spaans",
+    "Frans",
+    "Italiaans",
+    "Turks",
+    "Fries",
+    "Arabisch",
+    "Russisch",
+    "Chinees",
+    "Grieks",
+    "Portugees",
+    "Hongaars",
+]
+
+
+def create_default_languages(apps, schema_editor):
+    Language = apps.get_model("participants", "Language")
+    for lang in languages:
+        Language.objects.create(name=lang)
+
+
+def undo(apps, schema_editor):
+    pass
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("participants", "0006_participant_english_contact_participant_save_longer"),
+    ]
+
+    operations = [migrations.RunPython(create_default_languages, undo)]

lab/participants/serializers.py

@@ -1,8 +1,15 @@
 from rest_framework import serializers
 
-from .models import Participant
+from .models import Participant, Language
+
 
 class ParticipantSerializer(serializers.ModelSerializer):
     class Meta:
         model = Participant
-        fields = ['id', 'name']
+        fields = ["id", "name"]
+
+
+class LanguageSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Language
+        fields = ["name"]

parent/mailauth/views.py

@@ -1,13 +1,14 @@
 from cdh.rest import client as rest
 from django.contrib import messages
 from django.http.response import HttpResponse
-from django.shortcuts import render, redirect
-from django.views.generic.edit import FormView
+from django.shortcuts import redirect, render
 from django.urls import reverse_lazy
+from django.views.generic.edit import FormView
 
-from .forms import LoginForm
 from parent.utils import gateway
 
+from .forms import LoginForm
+
 
 def link_verify(request, token):
     ok, response = gateway(request, f"/gateway/mailauth/token/{token}/")
@@ -24,7 +25,7 @@ def link_verify(request, token):
         # ask the user to choose a specific participant
         return list_pps(request, response["possible_pps"])
 
-    redirect_to = request.GET.get('redirect', '/overview')
+    redirect_to = request.GET.get("redirect", "/overview")
     return redirect(redirect_to)
 
 
@@ -35,9 +36,7 @@ def list_pps(request, possible_pps):
 
 def resolve_pp(request, participant_id):
     """tell the lab app which participant we should refer to for the rest of the session"""
-    ok, response = gateway(
-        request, f"/gateway/mailauth/set_participant/", data=dict(participant_id=int(participant_id))
-    )
+    ok, response = gateway(request, "/gateway/mailauth/set_participant/", data=dict(participant_id=int(participant_id)))
     return redirect("/overview")
 
 

parent/parent/forms.py

@@ -1,4 +1,3 @@
-import json
 from datetime import date
 
 from cdh.core.forms import (
@@ -21,11 +20,6 @@ def value_from_datadict(self, data, files, name):
         value = data.getlist(name)
         return value
 
-    def get_context(self, name, value, attrs):
-        context = super().get_context(name, value, attrs)
-
-        return context
-
 
 class LanguagesField(forms.MultipleChoiceField):
     def to_python(self, value):
@@ -88,12 +82,7 @@ class SignupForm(TemplatedForm):
         # but it should still support prepopulating with known
         label=_("parent:forms:signup:languages"),
         widget=LanguagesWidget,
-        choices=(
-            ("Nederlands", "Nederlands"),
-            ("Engels", "Engels"),
-            ("Duits", "Duits"),
-            ("Spaans", "Spaans"),
-        ),
+        choices=[],
     )
     parent_header = TemplatedFormTextField(header=_("parent:forms:signup:parent_header"))
     parent_first_name = forms.CharField(label=_("parent:forms:signup:parent_first_name"))

parent/parent/templates/widgets/languages_widget.html

@@ -17,19 +17,11 @@
 <div class="uu-form-field">
     <select class="w-100" id="id_languages_mono_select" name="languages" disabled>
         <option></option>
-        <option>Engels</option>
-        <option>Duits</option>
-        <option>Spaans</option>
-        <option>Frans</option>
-        <option>Italiaans</option>
-        <option>Turks</option>
-        <option>Fries</option>
-        <option>Arabisch</option>
-        <option>Russisch</option>
-        <option>Chinees</option>
-        <option>Grieks</option>
-        <option>Portugees</option>
-        <option>Hongaars</option>
+        {% for group_name, group_choices, group_index in widget.optgroups %}
+            {% for option in group_choices %}
+                <option value="{{ option.value }}">{{ option.label }}</option>
+            {% endfor %}
+        {% endfor %}
     </select>
 </div>
 
@@ -42,20 +34,12 @@
 
 <div class="uu-form-field">
     <select class="w-100" id="id_languages_multi_select" name="languages" multiple="true" disabled>
-        <option>Nederlands</option>
-        <option>Engels</option>
-        <option>Duits</option>
-        <option>Spaans</option>
-        <option>Frans</option>
-        <option>Italiaans</option>
-        <option>Turks</option>
-        <option>Fries</option>
-        <option>Arabisch</option>
-        <option>Russisch</option>
-        <option>Chinees</option>
-        <option>Grieks</option>
-        <option>Portugees</option>
-        <option>Hongaars</option>
+        <option></option>
+        {% for group_name, group_choices, group_index in widget.optgroups %}
+            {% for option in group_choices %}
+                <option value="{{ option.value }}">{{ option.label }}</option>
+            {% endfor %}
+        {% endfor %}
     </select>
 </div>
 

parent/parent/views.py

@@ -58,6 +58,17 @@ def form_valid(self, form):
         log.error("Couldn't reach server while processing signup")
         return super().get(self.request)
 
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        ok, languages = gateway(self.request, "/gateway/languages/")
+
+        choices = []
+        for lang in languages:
+            choices.append((lang["name"], lang["name"]))
+
+        context["form"].fields["languages"].choices = choices
+        return context
+
 
 class SignupDone(TemplateView):
     template_name = "signup_done.html"