Added command and template to send out daily digest

cash/locale/de/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2013-09-13 16:05+0200\n"
+"POT-Creation-Date: 2013-09-15 21:30+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -51,11 +51,11 @@ msgstr "Autorisiert von %(first)s %(last)s"
 msgid "card number"
 msgstr "Kartennummer"
 
-#: models.py:14 views.py:80
+#: models.py:14 views.py:81
 msgid "PIN"
 msgstr "PIN"
 
-#: models.py:15 views.py:76 templates/cash/usersettings.html:10
+#: models.py:15 views.py:77 templates/cash/usersettings.html:10
 msgid "daily digest"
 msgstr "Tägliche Zusammenfassung"
 
@@ -119,7 +119,7 @@ msgstr "Strichcodes"
 msgid "timestamp"
 msgstr "Zeitstempel"
 
-#: models.py:127
+#: models.py:127 management/commands/dailydigest.py:33
 msgid "subject"
 msgstr "Betreff"
 
@@ -127,7 +127,7 @@ msgstr "Betreff"
 msgid "description"
 msgstr "Beschreibung"
 
-#: models.py:130
+#: models.py:130 management/commands/dailydigest.py:33
 msgid "amount"
 msgstr "Betrag"
 
@@ -159,14 +159,22 @@ msgstr "Verkaufsprotokolleinträge"
 msgid "Cancellation"
 msgstr "Stornierung"
 
-#: views.py:82
+#: views.py:83
 msgid "PIN (confirmation)"
 msgstr "PIN (bestätigen)"
 
-#: views.py:88
+#: views.py:89
 msgid "PINs do not match."
 msgstr "PINs stimmen nicht überein."
 
+#: management/commands/dailydigest.py:33
+msgid "date"
+msgstr "Datum"
+
+#: management/commands/dailydigest.py:48
+msgid "Account Statement"
+msgstr "Kontoauszug"
+
 #: templates/cash/base.html:27 templates/cash/base.html.py:53
 msgid "Overview"
 msgstr "Übersicht"

cash/management/commands/dailydigest.py

@@ -0,0 +1,50 @@
+from django.core.management.base import NoArgsCommand, CommandError
+from cash.models import *
+from django.utils.translation import ugettext as _
+from django.template.loader import get_template
+from django.template import Context
+from django.utils import translation
+from django.utils.dateformat import DateFormat
+from django.utils.formats import get_format
+from django.core.mail import send_mass_mail
+import datetime
+
+RANGE = 24
+USERSETTINGS_URL = 'https://cypher/kasse/usersettings/'
+
+class Command(NoArgsCommand):
+	help = 'Sends out the daily digest to all users with transactions in the last %dh' % RANGE
+
+	def handle_noargs(self, **options):
+		translation.activate('de')
+
+		tpl = get_template('cash/daily_digest.txt')
+
+		messages = []
+		for a in Account.objects.all():
+			context = {'name': '%s %s' % (a.user.first_name, a.user.last_name),
+			           'credit': a.credit,
+					   'range': RANGE,
+					   'url': USERSETTINGS_URL}
+			
+			transactions = Transaction.objects.filter(account = a).filter(timestamp__gte = datetime.datetime.now() - datetime.timedelta(hours = RANGE))
+
+			if transactions.count() > 0:
+				lengths = {'timestamp': len(_('date')), 'description': len(_('subject')), 'amount': len(_('amount'))}
+				sum = 0
+				for t in transactions:
+					lengths['timestamp'] = max(lengths['timestamp'], len(DateFormat(t.timestamp).format(get_format('SHORT_DATETIME_FORMAT'))))
+					lengths['description'] = max(lengths['description'], len(t.description))
+					lengths['amount'] = max(lengths['amount'], len(str(t.amount)))
+					t.description = t.description.split('\n')
+
+					sum += t.amount
+
+				lengths['sum'] = lengths['timestamp'] + lengths['description'] + lengths['amount']
+				context['lengths'] = lengths
+				context['tl'] = transactions
+				context['sum'] = sum
+
+				messages.append((_('Account Statement'), tpl.render(Context(context)), 'cypher@lug-saar.de', ['%s %s <%s>' % (a.user.first_name, a.user.last_name, a.user.email)]))
+
+		send_mass_mail(tuple(messages))

cash/templates/cash/daily_digest.txt

@@ -0,0 +1,24 @@
+{% load i18n %}
+Hallo, {{ name }}!
+
+du erhältst diese automatisch generierte Mail des Kassensystems, da es
+innerhalb der letzten {{ range }} Stunden folgende Bewegungen auf deinem Konto gab:
+
+
+{{ "Datum"|ljust:lengths.timestamp }}   {{ "Betreff"|ljust:lengths.description }}    {{ "Betrag"|rjust:lengths.amount }}
+{% for t in tl %}
+{{ t.timestamp|date:"SHORT_DATETIME_FORMAT"|ljust:lengths.timestamp }}   {% trans t.subject|ljust:lengths.description %}   {{ t.amount|floatformat:2|rjust:lengths.amount }}€
+{% for line in t.description %}{{ ""|ljust:lengths.timestamp }}   {{ line }}{% endfor %}
+{% endfor %}
+       {{ "------------"|rjust:lengths.sum }}   
+      {{ sum|floatformat:2|rjust:lengths.sum }}€
+
+Dein aktuelles Guthaben beträgt {{ credit|floatformat:2 }}€.
+
+Es grüßt
+   das Kassensystem
+
+PS: Wenn du diese Mail in Zukunft nicht mehr erhalten, oder andere Einstellungen
+    ändern möchtest, so kannst du das auf der folgenden Seite tun:
+    {{ url }}
+    (im internen Netzwerk des Vereins)

lugcash2/settings.py

@@ -191,3 +191,8 @@ AUTH_LDAP_FIND_GROUP_PERMS = True
 AUTH_LDAP_USER_FLAGS_BY_GROUP = {
     "is_staff": "cn=cashstaff,ou=group,dc=lug-saar,dc=spc"
 }
+
+# Use console output for testing
+# TODO: change
+EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
+