[enh] start to display diff of modifieds members in a command

carnet_rose/templatetags/getattribute.py

+import re
+from django import template
+from django.conf import settings
+
+
+numeric_test = re.compile("^\d+$")
+register = template.Library()
+
+@register.filter
+def get_field(entry, field):
+    """Gets an attribute of an object dynamically from a string name"""
+
+    if field.name in entry.field_dict:
+        if field.choices:
+            return getattr(entry.object, "get_%s_display" % field.name)()
+        return entry.field_dict[field.name]
+    else:
+        return settings.TEMPLATE_STRING_IF_INVALID
+
+
+@register.filter
+def only_existing(fields_list, entry):
+    for i in fields_list:
+        if entry.field_dict[i.name]:
+            yield i

members/management/commands/notify_modified_members.py

+import reversion
+
+from datetime import date, timedelta
+
+from django.core.mail import send_mail
+from django.core.management.base import BaseCommand
+from django.template import Context, Template
+
+from members.models import Member
+
+
+email_template = """\
+{% load getattribute %}
+Hello everyone,
+
+Here are the modified and created user entries from yesterday :
+{% for entry, users in data.created %}
+'{{ entry.object }}' created by {{ users }}:
+{% for field in fields|only_existing:entry %}* {% if field.verbose_name %}{{ field.verbose_name }}{% else %}{{ field.name }}{% endif %}: {{ entry|get_field:field }}
+{% endfor %}{% endfor %}
+{% for new, old, users in data.modified %}
+{% endfor %}
+
+Thanks for your work <3
+"""
+
+
+class Command(BaseCommand):
+    args = '<poll_id poll_id ...>'
+    help = 'Closes the specified poll for voting'
+
+    def handle(self, *args, **options):
+        data = {
+            "created": [],
+            "modified": [],
+        }
+
+        today = date.today()
+        yesterday = today - timedelta(days=1)
+        # modified_yesterday_members = Member.objects.filter(last_modified__lt=date.today(), last_modified__gt=yesterday)
+        modified_yesterday_members = Member.objects.filter(last_modified__gt=date.today())
+
+        for member_revisions in map(reversion.get_for_object, modified_yesterday_members):
+            member_revisions = list(member_revisions.get_unique())
+
+            # yesterday_modifications = filter(lambda x: x.field_dict["last_modified"].date() == yesterday, member_revisions)
+            yesterday_modifications = filter(lambda x: x.field_dict["last_modified"].date() == today, member_revisions)
+
+            users_that_has_modified_the_documented = u", ".join(set(map(lambda x: unicode(x.revision.user), yesterday_modifications)))
+
+            # older_modifications = filter(lambda x: x.field_dict["last_modified"].date() < yesterday, member_revisions)
+            older_modifications = filter(lambda x: x.field_dict["last_modified"].date() < today, member_revisions)
+            if not older_modifications:
+                data["created"].append([yesterday_modifications[0], users_that_has_modified_the_documented])
+            else:
+                data["modified"].append([yesterday_modifications[0], older_modifications[0], users_that_has_modified_the_documented])
+
+        fields = filter(lambda x: x.name not in ('added_on', 'last_modified', 'id', 'pk'), Member._meta.fields)
+
+        email_content = Template(email_template).render(Context({
+            "data": data,
+            "fields": fields,
+        }))
+
+        send_mail('[NeutrinetMembersManangement] modifications of %s' % yesterday.strftime("%F"), email_content, 'noreply@neutrinet.be', ['administration@neutrinet.be'], fail_silently=False)