From d85d0702ae0933774ad942302a632f29bacf4550 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Mon, 16 Nov 2020 11:08:14 +0100
Subject: Admin: action to add automatically department towns to an area

---
 ishtar_common/admin.py | 95 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 94 insertions(+), 1 deletion(-)

(limited to 'ishtar_common/admin.py')

diff --git a/ishtar_common/admin.py b/ishtar_common/admin.py
index b79dd8e5f..ac88cfdc6 100644
--- a/ishtar_common/admin.py
+++ b/ishtar_common/admin.py
@@ -918,7 +918,100 @@ for model in general_models:
     admin_site.register(model, GeneralTypeAdmin)
 
 
-class AreaAdmin(GeneralTypeAdmin):
+class CreateAreaForm(forms.Form):
+    department_number = forms.IntegerField(label=_("Department number"))
+    area_name = forms.CharField(label=_("Area name"), required=False)
+    area = forms.ChoiceField(label=_("Area"), required=False, choices=[])
+
+    def __init__(self, *args, **kwargs):
+        super(CreateAreaForm, self).__init__(*args, **kwargs)
+        self.fields["area"].choices = [('', '--')] + [
+            (area.pk, area.label)
+            for area in models.Area.objects.order_by("reference")]
+
+    def clean(self):
+        area_name = self.cleaned_data.get('area_name', "")
+        area = self.cleaned_data.get('area', 0)
+        if (not area_name and not area) or (area and area_name):
+            raise forms.ValidationError(_("Choose an area or set an area "
+                                          "reference."))
+        return self.cleaned_data
+
+    def clean_department_number(self):
+        value = self.cleaned_data.get('department_number', 0)
+        if value < 1 or (value > 95 and (value < 970 or value > 989)):
+            raise forms.ValidationError(_("Invalid department number."))
+        return value
+
+    def clean_area_name(self):
+        value = self.cleaned_data.get('area_name', '')
+        if not value:
+            return value
+        if models.Area.objects.filter(label=value).count():
+            raise forms.ValidationError(_("This name is already used by "
+                                          "another area."))
+        return value
+
+
+class CreateDepartmentActionAdmin(GeneralTypeAdmin):
+    change_list_template = "admin/area_change_list.html"
+
+    def get_urls(self):
+        urls = super(CreateDepartmentActionAdmin, self).get_urls()
+        my_urls = [
+            url(r'^create-department/$', self.create_area),
+        ]
+        return my_urls + urls
+
+    def create_area(self, request):
+        form = None
+
+        if 'apply' in request.POST:
+            form = CreateAreaForm(request.POST)
+            if form.is_valid():
+                area_name = form.cleaned_data.get("area_name", '')
+                if area_name:
+                    slug = "dpt-" + area_name
+                    while models.Area.objects.filter(txt_idx=slug).count():
+                        slug += "b"
+                    area = models.Area.objects.create(label=area_name,
+                                                      txt_idx=slug)
+                    self.message_user(
+                        request,
+                        str(_('Area "{}" created.')).format(area_name))
+                else:
+                    area = models.Area.objects.get(
+                        id=form.cleaned_data["area"])
+                dpt_num = form.cleaned_data['department_number']
+                if dpt_num < 10:
+                    dpt_num = "0" + str(dpt_num)
+                else:
+                    dpt_num = str(dpt_num)
+                current_towns = [a.numero_insee for a in area.towns.all()]
+                nb = 0
+                for town in models.Town.objects.filter(
+                        numero_insee__startswith=dpt_num).exclude(
+                            numero_insee__in=current_towns).all():
+                    area.towns.add(town)
+                    nb += 1
+                self.message_user(
+                    request,
+                    str(_('{} town(s) added to "{}".')).format(
+                        nb, area_name or area.label))
+                url = reverse(
+                    'admin:%s_%s_changelist' % (
+                        self.model._meta.app_label, self.model._meta.model_name)
+                )
+                return HttpResponseRedirect(url)
+        if not form:
+            form = CreateAreaForm()
+        return render(
+            request, 'admin/create_area_dpt.html',
+            {'form': form, 'current_action': 'create_area'}
+        )
+
+
+class AreaAdmin(CreateDepartmentActionAdmin):
     list_display = ('label', 'reference', 'parent', 'available')
     search_fields = ('label', 'reference')
     list_filter = ('parent',)
-- 
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