add detailed finance stuff and reuse euro teplate tag

gaehsnitz/admin.py

@@ -1,20 +1,14 @@
-from decimal import Decimal
-from typing import Union
-
 from django.contrib import admin
 from django.contrib.auth import get_user_model
 from django.contrib.auth.admin import UserAdmin
 from django.utils.safestring import mark_safe
 
 from gaehsnitz.models import Donation, Payment, Drink, Consumption, Payback
+from gaehsnitz.templatetags.money import euro
 
 User = get_user_model()
 
 
-def euro(value: Union[int, float, Decimal]) -> str:
-    return f"{value:.2f} €"
-
-
 class DonationInline(admin.TabularInline):
     model = Donation
     extra = 0

gaehsnitz/management/commands/drink_stats.py

@@ -2,6 +2,7 @@ from django.core.management import BaseCommand
 from django.db.models import Sum
 
 from gaehsnitz.models import Drink
+from gaehsnitz.templatetags.money import euro
 
 
 class Command(BaseCommand):
@@ -29,4 +30,4 @@ class Command(BaseCommand):
             remaining = bought - consumed
             print(f"  übrig:     {remaining}")
             purchase_value = remaining * drink.purchase_price_per_bottle
-            print(f"  Wert:      {purchase_value:.2f} €")
+            print(f"  Wert:      {euro(purchase_value)}")

gaehsnitz/management/commands/total_balance.py

@@ -3,6 +3,7 @@ from django.core.management import BaseCommand
 from django.db.models import Sum
 
 from gaehsnitz.models import Payment, Donation
+from gaehsnitz.templatetags.money import euro
 
 User = get_user_model()
 
@@ -10,23 +11,23 @@ User = get_user_model()
 class Command(BaseCommand):
     def handle(self, *args, **options):
         all_donations_sum = Donation.objects.all().aggregate(sum=Sum("amount"))["sum"]
-        print(f"Alle Spenden/Zahlungen: {all_donations_sum:.2f} €")
+        print(f"Alle Spenden/Zahlungen: {euro(all_donations_sum)}")
         all_payments_sum = Payment.objects.all().aggregate(sum=Sum("amount"))["sum"]
-        print(f"Alle Ausgaben: {all_payments_sum:.2f} €")
+        print(f"Alle Ausgaben: {euro(all_payments_sum)}")
         balance = all_donations_sum - all_payments_sum
         print("-------------------------")
-        print(f"Bilanz: {balance:.2f} €")
+        print(f"Bilanz: {euro(balance)}")
         print()
 
         print("Leute mit Schulden:")
         awaited_sum = 0
         for user in User.objects.all().order_by("username"):
             if (value := user.balance) < 0:
-                print(f"{user}: {-value:.2f} €")
+                print(f"{user}: {euro(-value)}")
                 awaited_sum -= value
         print("-------------------------")
-        print(f"gesamt: {awaited_sum:.2f} €")
+        print(f"gesamt: {euro(awaited_sum)}")
         balance_after_payments = balance + awaited_sum
         print("-------------------------")
-        print(f"Bilanz danach: {balance_after_payments:.2f} €")
+        print(f"Bilanz danach: {euro(balance_after_payments)}")
         print()

gaehsnitz/management/commands/user_stats.py

@@ -3,6 +3,7 @@ from django.core.management import BaseCommand
 from django.db.models import Sum
 
 from gaehsnitz.models import Drink
+from gaehsnitz.templatetags.money import euro
 
 User = get_user_model()
 
@@ -21,26 +22,26 @@ class Command(BaseCommand):
                     amount = drink_dict["amount"]
                     drink_list.append(f"{amount}x {name}")
                 drink_list_str = ", ".join(drink_list)
-                print(f"zu zahlen: {to_pay:.2f} € ({drink_list_str})")
+                print(f"zu zahlen: {euro(to_pay)} ({drink_list_str})")
 
             donated = user.donations_made
             if donated != 0:
-                don_list = [f"{don.date:%d.%m.} {don.amount:.2f} €" for don in user.donations.order_by("date")]
+                don_list = [f"{don.date:%d.%m.} {euro(don.amount)}" for don in user.donations.order_by("date")]
                 don_list_str = ", ".join(don_list)
-                print(f"gespendet: {donated:.2f} € ({don_list_str})")
+                print(f"gespendet: {euro(donated)} ({don_list_str})")
 
             paid = user.other_payments_made
             if paid != 0:
-                pay_list = [f"{pay.purpose} {pay.amount:.2f} €" for pay in user.payments.order_by("date")]
+                pay_list = [f"{pay.purpose} {euro(pay.amount)}" for pay in user.payments.order_by("date")]
                 pay_list_str = ", ".join(pay_list)
-                print(f"bezahlt: {paid:.2f} € ({pay_list_str})")
+                print(f"bezahlt: {euro(paid)} ({pay_list_str})")
 
             paid_back = user.paybacks_received
             if paid_back != 0:
-                pb_list = [f"{pb.date:%d.%m.} {pb.amount:.2f} €" for pb in user.paybacks.order_by("date")]
+                pb_list = [f"{pb.date:%d.%m.} {euro(pb.amount)}" for pb in user.paybacks.order_by("date")]
                 pb_list_str = ", ".join(pb_list)
-                print(f"zurückbekommen: {paid_back:.2f} € ({pb_list_str})")
+                print(f"zurückbekommen: {euro(paid_back)} ({pb_list_str})")
 
             balance = donated + paid - to_pay - paid_back
-            print(f"==> STAND: {balance:.2f} €")
+            print(f"==> STAND: {euro(balance)}")
             print()

gaehsnitz/static/gaehsnitz/style.css

@@ -114,8 +114,8 @@ p, ul {
 }
 
 table {
-    margin-top: 12px;
-    margin-bottom: 12px;
+    margin-top: 16px;
+    margin-bottom: 16px;
     border-spacing: 1px;
 }
 
@@ -132,7 +132,8 @@ thead {
 }
 
 td {
-    padding: 3px 8px;
+    padding: 3px 12px;
+    text-align: right;
 }
 
 hr {
@@ -172,20 +173,6 @@ hr {
     max-width: 800px;
 }
 
-#drinks-table {
-    font-size: 0.9rem;
-}
-
-#drinks-table td {
-    padding: 2px 5px;
-    text-align: right;
-    white-space: nowrap;
-}
-
-#drinks-table tfoot {
-    color: #EE9933;
-}
-
 .bandbox {
     display: flex;
     flex-direction: row;

gaehsnitz/templates/gaehsnitz/finance.html

@@ -1,4 +1,5 @@
 {% extends "gaehsnitz/base.html" %}
+{% load money %}
 
 {% block content %}
 
@@ -40,9 +41,46 @@
         ganz transparent eine Übersicht, von wo nach wo eigentlich wie viel Kohle geflossen ist.
         Nur keine Klarnamen. ;)
     </p>
+
+    <h3>Zusammenfassung</h3>
+    <table>
+        <tr class="odd-row">
+            <td>Summe aller Spenden/Zahlungen</td>
+            <td>{{ total_donations|euro }}</td>
+        </tr>
+        <tr class="even-row-row">
+            <td>Summe aller Ausgaben</td>
+            <td>{{ total_payments|euro }}</td>
+        </tr>
+        <tr class="odd-row">
+            <td>Stand</td>
+            <td class="accent">{{ total_balance|euro }}</td>
+        </tr>
+    </table>
+
+    <h3>Ausgaben</h3>
+    <table>
+        <thead>
+        <tr class="odd-row">
+            <td>Zweck</td>
+            <td>Betrag</td>
+            <td>Datum</td>
+        </tr>
+        </thead>
+        {% for payment in payments %}
+            <tr class="{% cycle 'even-row' 'odd-row' %}">
+                <td>{{ payment.purpose }}</td>
+                <td>{{ payment.amount|euro }}</td>
+                <td>{% if payment.date %}{{ payment.date|date:"d.m." }}{% else %}-{% endif %}</td>
+            </tr>
+        {% endfor %}
+    </table>
+
     <p>
-        ... dynamische Listen kommen zeitnah &#128526; ...
+        Details zu den Spenden und Rückzahlungen an die Leute, die die Ausgaben geleistet haben,
+        lassen wir hier erstmal weg. Wer's ganz genau wissen will, kann ja fragen.
     </p>
+
     <p>
         Nicht aufgelistet sind kurzfristige Dinge für die Vorbereitungsaktionen, also z.B. Suff und Sprit, den wir für
         die Arbeitseinsätze gekauft und auch direkt vernichtet haben. Danke an dieser Stelle nochmal allen für die

gaehsnitz/templatetags/money.py

@@ -0,0 +1,11 @@
+from decimal import Decimal
+from typing import Union
+
+from django.template.defaultfilters import register
+
+
+@register.filter(name="euro")
+def euro(value: Union[int, float, Decimal]):
+    if not value:
+        return "-"
+    return f"{value:.0f} €"

gaehsnitz/views.py

@@ -1,7 +1,10 @@
 from datetime import date
 
+from django.db.models import Sum
 from django.views.generic import TemplateView
 
+from gaehsnitz.models import Donation, Payment
+
 festival_start_date, festival_end_date = date(2022, 8, 25), date(2022, 8, 28)
 
 
@@ -34,8 +37,25 @@ class FinanceView(GaehsnitzTemplateView):
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
 
-        # TODO reimplement
+        total_donations = Donation.objects.all().aggregate(sum=Sum("amount"))["sum"]
+        total_payments = Payment.objects.all().aggregate(sum=Sum("amount"))["sum"]
+        total_balance = total_donations - total_payments
 
+        band_sum, displayed_payments = 0, []
+        for pay in Payment.objects.order_by("date"):
+            if pay.purpose.startswith("Band"):
+                band_sum += pay.amount
+            else:
+                displayed_payments.append(pay)
+
+        displayed_payments.append(Payment(purpose="Bands", amount=band_sum))
+
+        context.update({
+            "total_donations": total_donations,
+            "total_payments": total_payments,
+            "total_balance": total_balance,
+            "payments": displayed_payments,
+        })
         return context