Remove conflict resolver and add dynamic payments

members/views.py

@@ -6,6 +6,7 @@ from django.http import HttpResponse, HttpResponseRedirect
 from django.core.mail import send_mail
 from django.conf import settings
 from django.utils.translation import ugettext as _
+from django.forms.models import model_to_dict
 
 # Email validation
 from django.db.models.signals import post_save
@@ -25,13 +26,18 @@ import requests
 import logging
 import html
 import csv
+import pickle
 from smtplib import SMTPAuthenticationError
 
 from members.models import Member, Request, Payment, MemberConflict
-from members.forms import MemberForm, PaymentForm, ApplicationForm
+from members.forms import MemberForm, PaymentForm, ApplicationForm, CSVValidationError
 from members.tables import MemberTable, PaymentTable, RequestTable
 
 
+def error_view(request, message):
+    return render(request, 'error.html', {'error': str(message)})
+
+
 def validate_recaptcha(response):
     '''
     Recaptcha is used in member applications
@@ -421,16 +427,61 @@ def settings_page(request, *args, **kwargs):
 def import_csv(request, *args, **kwargs):
     try:
         data = request.POST['textfield']
+        payment_source = request.POST['payment_source']
     except:
         return render(request, 'error.html', {'error': _('Missing "textfield" POST request field')})
 
-    success = Member.from_csv(data)
-    if success:
-        logging.info('Imported CSV data:\n'.format(data))
-        notification = "{}.".format(_("Successfully imported multiple members"))
+    try:
+        result = MemberForm.csv_to_models(data, payment_source=payment_source)
+    except CSVValidationError as ex:
+        logging.exception('Model validation error')
+        return error_view(request, ex.form_errors)
+    except Exception as ex:
+        logging.exception('Other error in CSV import')
+        return error_view(request, ex)
+
+    member_table = MemberTable(result.members,
+                               request=request,
+                               exclude=['id', 'options'],
+                               attrs={'class': 'table table-bordered table-hover'})
+
+    member_table_html = convert_table_to_html(member_table, request)
+
+    payment_table = PaymentTable(result.payments,
+                                 request=request,
+                                 exclude=['id', 'options'],
+                                 attrs={'class': 'table table-bordered table-hover'})
+
+    payment_table_html = convert_table_to_html(payment_table, request)
+
+    request.session['models'] = result
+    context = {
+        'members': member_table_html,
+        'payments': payment_table_html
+    }
+    return render(request, 'member_add_many_confirm.html', context)
+
+
+@ensure_csrf_cookie
+@require_http_methods(["POST"])
+@permission_required('members.change_member', login_url='/login')
+def add_many_confirm(request, *args, **kwargs):
+    models = request.session['models']
+
+    try:
+        members, payments = models.members, models.payments
+        for member in members:
+            member.save()
+
+        for payment in payments:
+            payment.save()
+
+        msg = "Successfully imported {} members and {} payments."
+        notification = _(msg).format(len(members), len(payments))
         return HttpResponseRedirect('/members/list?notification={}'.format(html.escape(notification)))
-    else:
-        return render(request, 'error.html', {'error': _('Failed to import members')})
+    except Exception as ex:
+        logging.exception('Failed to save models after "add many."')
+        return error_view(request, _('Failed to import members'))
 
 
 @ensure_csrf_cookie
@@ -452,54 +503,6 @@ def export_csv(request, *args, **kwargs):
     return response
 
 
-@ensure_csrf_cookie
-@require_http_methods(["GET"])
-@permission_required('members.change_member', login_url='/login')
-def member_duplicates(request, *args, **kwargs):
-    conflicts = MemberConflict.objects.all()
-    context = {
-        'conflicts': conflicts
-    }
-
-    return render(request, 'member_duplicates.html', context)
-
-
-@ensure_csrf_cookie
-@require_http_methods(["POST"])
-@permission_required('members.change_member', login_url='/login')
-def resolve_conflict(request, *args, **kwargs):
-    action = request.POST.get('action', None)
-    if action not in ['first', 'second', 'both']:
-        return render(request, 'error.html', {'error': '{}: {}'.format(('Incorrect action value'), action)})
-
-    id = request.POST.get('id', None)
-    if id is None:
-        return render(request, 'error.html', {'error': '{}: {}'.format(('Incorrect id value'), id)})
-
-    conflict = MemberConflict.objects.get(id=id)
-    first_member = conflict.first_member
-    second_member = conflict.second_member
-
-    if action == 'first':
-        for payment in second_member.payments.all():
-            payment.member = first_member
-            payment.save()
-        second_member.delete()
-    elif action == 'second':
-        for payment in first_member.payments.all():
-            payment.member = second_member
-            payment.save()
-        first_member.delete()
-
-    conflict.delete()
-
-    if MemberConflict.objects.exists():
-        return HttpResponseRedirect('/members/duplicates')
-    else:
-        notification = _('Successfully resolved all member conflicts.')
-        return HttpResponseRedirect('/members/list?notification={}'.format(html.escape(notification)))
-
-
 def send_mail_wrapper(subject, message, email_to):
     send_mail(subject,
               message,
@@ -536,25 +539,6 @@ def email_on_accept(sender, instance, created, **kwargs):
         logging.error('Failed to send email to accepted member!')
 
 
-def check_for_duplicates(instance):
-    name_candidates = Member.objects.filter(first_name=instance.first_name,
-                                            last_name=instance.last_name)
-    email_candidates = Member.objects.filter(email=instance.email)
-
-    candidates = name_candidates | email_candidates
-    duplicates = candidates.exclude(id=instance.id)
-
-    if len(duplicates) > 0:
-        conflict = MemberConflict(first_member=instance,
-                                  second_member=duplicates[0])
-        conflict.save()
-
-
-@receiver(post_save, sender=Member)
-def duplicate_receiver(sender, instance, created, **kwargs):
-    check_for_duplicates(instance)
-
-
 # Can be used to retrieve single member information via REST API
 class MemberDetail(generics.RetrieveAPIView):
     queryset = Member.objects.all()