Rumus denda di Kota Serang sama seperti Kota Tangerang Selatan

CHANGES.txt

+0.5.5 2024-02-26
+----------------
+- Rumus denda di Kota Serang sama seperti Kota Tangerang Selatan
+
 0.5.4 2024-02-15
 ----------------
 - Tambah Kota Bogor

opensipkd/pad/services/serang_kota.py

@@ -3,8 +3,23 @@ from .tangerang_kab import (
     Reversal,
     AvailableInvoice,
     )
+from .tangsel import hitung_denda
 
 
 class Inquiry(BaseInquiry):
     def get_discount_denda(self):  # Override
         return 0
+
+    def hitung_denda_waktu(self):  # Override
+        tgl_kohir = self.get_tgl_kohir()
+        if tgl_kohir:
+            tahun_terbit = tgl_kohir.year
+        else:
+            tahun_terbit = self.invoice.masadari.year
+        if tahun_terbit > 2023:
+            persen_denda = 1
+        else:
+            persen_denda = self.conf['persen_denda']
+        self.bln_tunggakan, self.denda_waktu = hitung_denda(
+            self.tagihan, self.invoice.jatuhtempotgl, persen_denda,
+            self.tgl_bayar.date())

opensipkd/pad/services/tangsel.py

@@ -3,6 +3,7 @@ from datetime import (
     datetime,
     timedelta,
     )
+from opensipkd.hitung import bulan_tunggakan_berdasarkan_tgl
 from .default import (
     Inquiry as BaseInquiry,
     Reversal as BaseReversal,
@@ -31,6 +32,21 @@ MASA_PAJAK_NON_REKLAME = date(2023, 8, 31)
 MASA_PAJAK_REKLAME = date(2023, 8, 31)
 
 
+def hitung_denda(tagihan, jatuh_tempo, persen_denda, tgl_hitung):
+    if jatuh_tempo is None:
+        return 0, 0
+    if isinstance(jatuh_tempo, datetime):
+        jatuh_tempo = jatuh_tempo.date()
+    if jatuh_tempo >= tgl_hitung or persen_denda <= 0:
+        return 0, 0
+    bulan = bulan_tunggakan_berdasarkan_tgl(jatuh_tempo, tgl_hitung)
+    persen = bulan * persen_denda
+    if persen > 48:
+        persen = 48
+    denda = persen / 100 * tagihan
+    return bulan, denda
+
+
 class Inquiry(BaseInquiry):
     def get_invoice(self):  # Override
         self.invoice = super().get_invoice()