Create view and model for duplicate member conflicts

members/admin.py

@@ -1,7 +1,8 @@
 from django.contrib import admin
-from members.models import Member, Request, Payment
+from members.models import Member, Request, Payment, MemberConflict
 
 # Register your models here.
 admin.site.register(Member)
 admin.site.register(Request)
 admin.site.register(Payment)
+admin.site.register(MemberConflict)

members/migrations/0012_memberconflict.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11 on 2017-05-28 20:32
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('members', '0011_auto_20170526_2013'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MemberConflict',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_member', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='memberconflict_first_member', to='members.Member')),
+                ('second_member', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='memberconflict_second_member', to='members.Member')),
+            ],
+        ),
+    ]

members/models.py

@@ -119,3 +119,21 @@ class Member(BaseMember):
             AYY=bool(array[4]),
             jas=bool(array[5]),
         )
+
+
+class MemberConflict(models.Model):
+
+    first_member = models.ForeignKey('Member', related_name='%(class)s_first_member')
+    second_member = models.ForeignKey('Member', related_name='%(class)s_second_member')
+
+    @property
+    def first_member_form(self):
+        return MemberForm(instance=self.first_member)
+
+    @property
+    def second_member_form(self):
+        return MemberForm(instance=self.second_member)
+
+
+# To avoid problems with a cyclical import, this is at the bottom of the file
+from members.forms import MemberForm  # nopep8

members/static/css/members.css

@@ -246,3 +246,7 @@ input {
   max-width: 100%;
   height: 10rem !important;
 }
+
+.conflict-row {
+  overflow: auto;
+}

members/templates/member_duplicates.html

@@ -0,0 +1,40 @@
+{% extends "members_base.html" %}
+
+{% load i18n %}
+{% load bootstrap3 %}
+
+{% block content %}
+<div>
+    <div>
+        <h3>{% trans "Conflicting member entries" %}</h3>
+    </div>
+
+    <div>
+        <p>{% blocktrans %}Found conflicting member entries. Choose how to handle the problematic data.{% endblocktrans %}</p>
+
+        {% for conflict in conflicts %}
+        <div class="conflict-row bg-info">
+          <div class="col-md-6">
+            <table class="table readonly" >
+                {{ conflict.first_member_form }}
+            </table>
+          </div>
+          <div class="col-md-6">
+            <table class="table readonly" >
+                {{ conflict.second_member_form }}
+            </table>
+          </div>
+          <div>
+            <form action="/members/resolve_conflict" method="POST">{% csrf_token %}
+              <p>{% blocktrans %}Which one has the correct information for this member?{% endblocktrans %}</p>
+              <input type="hidden" name="id" value="{{ conflict.id }}">
+              <button type="submit" name="action" value="first" class="btn btn-primary">{% trans "Accept first and remove second" %}</button>
+              <button type="submit" name="action" value="second" class="btn btn-primary">{% trans "Accept second and remove first" %}</button>
+              <button type="submit" name="action" value="both" class="btn btn-primary">{% trans "Accept both as two members" %}</button>
+            </form>
+          </div>
+        </div>
+        {% endfor %}
+    </div>
+</div>
+{% endblock content %}

members/urls.py

@@ -16,6 +16,7 @@ from members.views import member_update
 from members.views import member_delete_confirm
 from members.views import member_delete
 from members.views import payment_list
+from members.views import member_duplicates
 
 # rest api
 from members.views import MemberDetail
@@ -102,9 +103,7 @@ urlpatterns = [
     # rest api url
     url(r'^api/members/(?P<pk>\d+)$', MemberDetail.as_view()),
 
-    # email validation
-    # url(r'^validate/(?P<uidb64>[0-9A-Za-z_\-\']+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$', validateEmail, name='user-activation-link'),
-    # url(r'^validate/success/$', validate_success),
-    # url(r'^validate/failure/$', validate_fail),
+    # member duplicate resolution view
+    url(r'^duplicates$', member_duplicates)
 
 ]

members/views.py

@@ -26,7 +26,7 @@ import logging
 import html
 import csv
 
-from members.models import Member, Request, Payment
+from members.models import Member, Request, Payment, MemberConflict
 from members.forms import MemberForm, PaymentForm, ApplicationForm
 
 # Logger function, you can use the same idea when implementing other loggers to other apps
@@ -455,6 +455,19 @@ 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):
+    # TODO
+    conflicts = MemberConflict.objects.all()
+    context = {
+        'conflicts': conflicts
+    }
+
+    return render(request, 'member_duplicates.html', context)
+
+
 def send_mail_wrapper(subject, message, email_to):
     send_mail(subject,
               message,