From 5ebb89a6d587e9a25edb26fe09a8272cf66269dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BE=9D=E7=91=AA=E8=B2=93?= <imacat@mail.imacat.idv.tw>
Date: Thu, 9 Mar 2023 19:56:06 +0800
Subject: [PATCH] Moved the month_end utility from the
 "accounting.report.period.period" module to the new
 "accounting.report.period.month_end" module.

---
 src/accounting/report/period/month_end.py | 31 +++++++++++++++++++++++
 src/accounting/report/period/period.py    | 12 +--------
 src/accounting/report/period/periods.py   |  3 ++-
 3 files changed, 34 insertions(+), 12 deletions(-)
 create mode 100644 src/accounting/report/period/month_end.py

diff --git a/src/accounting/report/period/month_end.py b/src/accounting/report/period/month_end.py
new file mode 100644
index 0000000..3efdcc2
--- /dev/null
+++ b/src/accounting/report/period/month_end.py
@@ -0,0 +1,31 @@
+# The Mia! Accounting Flask Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
+
+#  Copyright (c) 2023 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+"""The utility to return the end of a month.
+
+"""
+import calendar
+from datetime import date
+
+
+def month_end(day: date) -> date:
+    """Returns the end day of month for a date.
+
+    :param day: The date.
+    :return: The end day of the month of that day.
+    """
+    last_day: int = calendar.monthrange(day.year, day.month)[1]
+    return date(day.year, day.month, last_day)
diff --git a/src/accounting/report/period/period.py b/src/accounting/report/period/period.py
index cd8a132..b86b6da 100644
--- a/src/accounting/report/period/period.py
+++ b/src/accounting/report/period/period.py
@@ -20,11 +20,11 @@ This file is largely taken from the NanoParma ERP project, first written in
 2021/9/16 by imacat (imacat@nanoparma.com).
 
 """
-import calendar
 import typing as t
 from datetime import date, timedelta
 
 from .description import get_desc
+from .month_end import month_end
 from .specification import get_spec
 
 
@@ -127,13 +127,3 @@ class Period:
         if self.start is None:
             return None
         return Period(None, self.start - timedelta(days=1))
-
-
-def month_end(day: date) -> date:
-    """Returns the end day of month for a date.
-
-    :param day: The date.
-    :return: The end day of the month of that day.
-    """
-    last_day: int = calendar.monthrange(day.year, day.month)[1]
-    return date(day.year, day.month, last_day)
diff --git a/src/accounting/report/period/periods.py b/src/accounting/report/period/periods.py
index cca1ecf..3b8fd72 100644
--- a/src/accounting/report/period/periods.py
+++ b/src/accounting/report/period/periods.py
@@ -20,7 +20,8 @@
 from datetime import date, timedelta
 
 from accounting.locale import gettext
-from .period import Period, month_end
+from .month_end import month_end
+from .period import Period
 
 
 class ThisMonth(Period):