viveksantayana/ska-referee-test
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Exception handling for database queries

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This commit is contained in:
Vivek Santayana
2022-08-20 10:56:43 +01:00
parent b8fd65d856
commit 866c9b10cf
15 changed files with 234 additions and 114 deletions
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18
ref-test/app/models/test.py
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@@ -66,8 +66,7 @@ class Test(db.Model):
def delete(self):
if self.entries: return False, f'Cannot delete a test with submitted entries.'
db.session.delete(self)
try:
db.session.commit()
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when deleting test {self.get_code()}: {exception}')
@@ -79,8 +78,7 @@ class Test(db.Model):
now = datetime.now()
if self.start_date.date() > now.date():
self.start_date = now
try:
db.session.commit()
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when launching test {self.get_code()}: {exception}')
@@ -93,8 +91,7 @@ class Test(db.Model):
now = datetime.now()
if self.end_date >= now:
self.end_date = now
try:
db.session.commit()
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when closing test {self.get_code()}: {exception}')
@@ -108,8 +105,7 @@ class Test(db.Model):
code = secrets.token_hex(3).lower()
adjustments[code] = time
self.adjustments = adjustments
try:
db.session.commit()
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when adding adjustment to test {self.get_code()}: {exception}')
@@ -121,8 +117,7 @@ class Test(db.Model):
if not self.adjustments: return False, f'There are no adjustments configured for test {self.get_code()}.'
self.adjustments.pop(code)
if not self.adjustments: self.adjustments = None
try:
db.session.commit()
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when deleting adjustment from test {self.get_code()}: {exception}')
@@ -135,8 +130,7 @@ class Test(db.Model):
if start_date: self.start_date = start_date
if end_date: self.end_date = end_date
if time_limit is not None: self.time_limit = time_limit
try:
db.session.commit()
try: db.session.commit()
except SQLAlchemyError as exception:
db.session.rollback()
write('system.log', f'Database error when updating test {self.get_code()}: {exception}')