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Replaced the invalid_period() method in Period.Parser with ValueError in the Mia core application.

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This commit is contained in:
依瑪貓 2020-08-03 21:42:51 +08:00
parent 95cd08a887
commit 95e0173126
2 changed files with 42 additions and 65 deletions
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9
accounting/converters.py
View File

@ -52,15 +52,16 @@ class PeriodConverter:
Returns:
Period: The period.
Raises:
ValueError: When the period specification is invalid.
"""
first_txn = Transaction.objects.order_by("date").first()
data_start = first_txn.date if first_txn is not None else None
last_txn = Transaction.objects.order_by("-date").first()
data_end = last_txn.date if last_txn is not None else None
period = Period(value, data_start, data_end)
if period.error is not None:
raise ValueError
return period
# Raises ValueError
return Period(value, data_start, data_end)
def to_url(self, value):
"""Returns the specification of a period.

98
mia_core/period.py
View File

@ -36,8 +36,12 @@ class Period:
spec (str): The current period specification
data_start (datetime.date): The available first day of the data.
data_end (datetime.date): The available last day of the data.
Raises:
ValueError: When the period specification is invalid.
"""
def __init__(self, spec=None, data_start=None, data_end=None):
# Raises ValueError
self._period = self.Parser(spec)
self._data_start = data_start
self._data_end = data_end
@ -407,6 +411,9 @@ class Period:
Args:
spec (str|None): The period specification.
Raises:
ValueError: When the period specification is invalid.
Attributes:
spec (str): The currently-using period specification.
start (datetime.date): The start of the period.
@ -433,11 +440,8 @@ class Period:
if m is not None:
year = int(m.group(1))
month = int(m.group(2))
try:
self.start = datetime.date(year, month, 1)
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.start = datetime.date(year, month, 1)
self.end = self._month_last_day(self.start)
self.description = self._month_text(year, month)
return
@ -446,11 +450,8 @@ class Period:
if m is not None:
year = int(m.group(1))
month = int(m.group(2))
try:
self.start = datetime.date(year, month, 1)
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.start = datetime.date(year, month, 1)
self.end = self._month_last_day(timezone.localdate())
self.description = gettext("Since %s")\
% self._month_text(year, month)
@ -460,11 +461,8 @@ class Period:
if m is not None:
year = int(m.group(1))
month = int(m.group(2))
try:
until_month = datetime.date(year, month, 1)
except ValueError:
self.invalid_period()
return
# Raises ValueError
until_month = datetime.date(year, month, 1)
self.start = Period.Parser.VERY_START
self.end = self._month_last_day(until_month)
self.description = gettext("Until %s")\
@ -474,11 +472,8 @@ class Period:
m = re.match("^([0-9]{4})$", spec)
if m is not None:
year = int(m.group(1))
try:
self.start = datetime.date(year, 1, 1)
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.start = datetime.date(year, 1, 1)
self.end = datetime.date(year, 12, 31)
self.description = self._year_text(year)
return
@ -486,11 +481,8 @@ class Period:
m = re.match("^-([0-9]{4})$", spec)
if m is not None:
year = int(m.group(1))
try:
self.end = datetime.date(year, 12, 31)
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.end = datetime.date(year, 12, 31)
self.start = Period.Parser.VERY_START
self.description = gettext("Until %s")\
% self._year_text(year)
@ -505,14 +497,11 @@ class Period:
m = re.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})$",
spec)
if m is not None:
try:
self.start = datetime.date(
int(m.group(1)),
int(m.group(2)),
int(m.group(3)))
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.start = datetime.date(
int(m.group(1)),
int(m.group(2)),
int(m.group(3)))
self.end = self.start
self.description = self._date_text(self.start)
return
@ -521,18 +510,15 @@ class Period:
"-([0-9]{4})-([0-9]{2})-([0-9]{2})$"),
spec)
if m is not None:
try:
self.start = datetime.date(
int(m.group(1)),
int(m.group(2)),
int(m.group(3)))
self.end = datetime.date(
int(m.group(4)),
int(m.group(5)),
int(m.group(6)))
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.start = datetime.date(
int(m.group(1)),
int(m.group(2)),
int(m.group(3)))
self.end = datetime.date(
int(m.group(4)),
int(m.group(5)),
int(m.group(6)))
today = timezone.localdate()
# Spans several years
if self.start.year != self.end.year:
@ -567,20 +553,17 @@ class Period:
# Until a specific day
m = re.match("^-([0-9]{4})-([0-9]{2})-([0-9]{2})$", spec)
if m is not None:
try:
self.end = datetime.date(
int(m.group(1)),
int(m.group(2)),
int(m.group(3)))
except ValueError:
self.invalid_period()
return
# Raises ValueError
self.end = datetime.date(
int(m.group(1)),
int(m.group(2)),
int(m.group(3)))
self.start = Period.Parser.VERY_START
self.description = gettext("Until %s")\
% self._date_text(self.end)
return
# Wrong period format
self.invalid_period()
raise ValueError
def set_this_month(self):
"""Sets the period to this month."""
@ -590,13 +573,6 @@ class Period:
self.end = self._month_last_day(self.start)
self.description = gettext("This Month")
def invalid_period(self):
"""Sets the period when the period specification is
invalid.
"""
self.error = gettext("Invalid period.")
self.set_this_month()
@staticmethod
def _month_last_day(day):
"""Calculates and returns the last day of a month.