fix: Auszahlung LJP bei zu wenigen TN verhindern und warnen

jdav_web/finance/models.py

@@ -412,6 +412,10 @@ class Statement(CommonModel):
     @property
     def paid_ljp_contributions(self):
         if hasattr(self.excursion, 'ljpproposal') and self.ljp_to:
+            
+            if self.excursion.theoretic_ljp_participant_count < 5:
+                return 0
+            
             return cvt_to_decimal(
                 min(
                     (1-settings.LJP_TAX) * settings.LJP_CONTRIBUTION_PER_DAY * self.excursion.ljp_participant_count * self.excursion.ljp_duration,
@@ -472,6 +476,7 @@ class Statement(CommonModel):
                 'allowance_to': self.allowance_to,
                 'paid_ljp_contributions': self.paid_ljp_contributions,
                 'ljp_to': self.ljp_to,
+                'theoretic_ljp_participant_count': self.excursion.theoretic_ljp_participant_count,
                 'participant_count': self.excursion.participant_count,
                 'total_seminar_days': self.excursion.total_seminar_days,
                 'ljp_tax': settings.LJP_TAX * 100,

jdav_web/members/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: 2025-04-11 18:02+0200\n"
+"POT-Creation-Date: 2025-04-15 22:36+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"
@@ -1432,20 +1432,31 @@ msgstr "Die LJP-Zuschüsse werden ausgezahlt an:"
 msgid ""
 "By submitting a seminar report, you may apply for LJP contributions. In this "
 "case,\n"
-"you may obtain up to 25€ times %(duration)s days for %(participant_count)s "
-"participants but only up to\n"
+"you may obtain up to 25€ times %(duration)s days for "
+"%(theoretic_ljp_participant_count)s participants but only up to\n"
 "90%% of the total costs. This results in a total of %(ljp_contributions)s€. "
 "If you have created a seminar report, you need to specify who should receive "
 "the contributions in order to make use of them."
 msgstr ""
 "Indem du einen Seminarbericht anfertigst, kannst du Landesjugendplan (LJP) "
 "Zuschüsse beantragen. In diesem Fall kannst du bis zu 25€ mal %(duration)s "
-"Tage für %(participant_count)s Teilnehmende, aber nicht mehr als 90%% der "
+"Tage für %(theoretic_ljp_participant_count)s Teilnehmende, aber nicht mehr als 90%% der "
 "Gesamtausgaben erhalten. Das resultiert in einem Gesamtzuschuss von "
 "%(ljp_contributions)s€. Wenn du schon einen Seminarbericht erstellt hast, "
 "musst du im Tab 'Abrechnungen' noch angeben, an wen die LJP-Zuschüsse "
 "ausgezahlt werden sollen."
 
+#: members/templates/admin/freizeit_finance_overview.html
+#, python-format
+msgid ""
+" Warning: LJP contributions can only be claimed for activities with at least "
+"5 participants and one leader. This activity currently has only "
+"%(theoretic_ljp_participant_count)s participants."
+msgstr ""
+"Achtung: Nur für Aktivitäten mit mindestens 5 Teilnehmenden und einer "
+"Leitungsperson kann ein LJP-Antrag gestellt werden. Diese Ausfahrt hat "
+"aktuell nur %(theoretic_ljp_participant_count)s Teilnehmende."
+
 #: members/templates/admin/freizeit_finance_overview.html
 msgid "Summary"
 msgstr "Zusammenfassung"
@@ -1805,13 +1816,13 @@ msgstr ""
 msgid "Echo"
 msgstr "Rückmeldung"
 
-#: members/templates/members/echo.html
+#: members/templates/members/echo.html members/tests.py
 msgid ""
 "Here is your current data. Please check if it is up to date and change "
 "accordingly."
 msgstr ""
-"Hier siehst du deine aktuellen Daten. Bitte überprüfe alles und passe es "
-"bei Bedarf an."
+"Hier siehst du deine aktuellen Daten. Bitte überprüfe alles und passe es bei "
+"Bedarf an."
 
 #: members/templates/members/echo_failed.html members/tests.py
 msgid "Echo failed"
@@ -2240,12 +2251,6 @@ msgstr "ungültig"
 msgid "expired"
 msgstr "abgelaufen"
 
-#: members/tests.py
-msgid "Thanks for echoing back. Here is your current data:"
-msgstr ""
-"Vielen Dank, dass du dich rückmeldest. Hier siehst du deine aktuellen Daten. "
-"Falls sich etwas geändert hat, trage das bitte hier ein."
-
 #: members/views.py
 msgid "Prename of the member."
 msgstr "Vorname des*der Teilnehmenden"

jdav_web/members/templates/admin/freizeit_finance_overview.html

@@ -177,12 +177,18 @@ To receive them, you need to submit the LJP-Proposal within 3 weeks after your e
 {% else %}
 <p>
 {% blocktrans %}By submitting a seminar report, you may apply for LJP contributions. In this case,
-you may obtain up to 25€ times {{ duration }} days for {{ participant_count }} participants but only up to
+you may obtain up to 25€ times {{ duration }} days for {{ theoretic_ljp_participant_count }} participants but only up to
 90% of the total costs. This results in a total of {{ ljp_contributions }}€. If you have created a seminar report, you need to specify who should receive the contributions in order to make use of them.{% endblocktrans %}
 </p>
 
 {% endif %}
 
+{% if memberlist.theoretic_ljp_participant_count < 5 %}
+<p>
+    {% blocktrans %} Warning: LJP contributions can only be claimed for activities with at least 5 participants and one leader. This activity currently has only {{ theoretic_ljp_participant_count }} participants.{% endblocktrans %}
+</p>
+{% endif %}
+
 <h3>{% trans "Summary" %}</h3>
 
 <p>