def grant_permission_to_tag(session, tag_id, permission_id, argument=''):
# type: (Session, int, int, str) -> bool
"""
Grant a permission to this tag. This will fail if the (permission, argument) has already
been granted to this tag.
Args:
session(models.base.session.Sessioan): database session
tag_id(int): the id of the tag we're granting the permission to
permission_id(int): the id of the permission to be granted
argument(str): must match constants.ARGUMENT_VALIDATION
Throws:
AssertError if argument does not match ARGUMENT_VALIDATION regex
Returns:
bool indicating whether the function succeeded or not
"""
assert re.match(ARGUMENT_VALIDATION, argument), 'Permission argument does not match regex.'
try:
mapping = TagPermissionMap(permission_id=permission_id, tag_id=tag_id, argument=argument)
mapping.add(session)
Counter.incr(session, "updates")
except IntegrityError:
session.rollback()
return False
session.commit()
return True
def grant_permission_to_tag(session, tag_id, permission_id, argument=''):
# type: (Session, int, int, str) -> bool
"""
Grant a permission to this tag. This will fail if the (permission, argument) has already
been granted to this tag.
Args:
session(models.base.session.Sessioan): database session
tag_id(int): the id of the tag we're granting the permission to
permission_id(int): the id of the permission to be granted
argument(str): must match constants.ARGUMENT_VALIDATION
Throws:
AssertError if argument does not match ARGUMENT_VALIDATION regex
Returns:
bool indicating whether the function succeeded or not
"""
assert re.match(ARGUMENT_VALIDATION + r"$", argument), \
'Permission argument does not match regex.'
try:
mapping = TagPermissionMap(permission_id=permission_id, tag_id=tag_id, argument=argument)
mapping.add(session)
Counter.incr(session, "updates")
except IntegrityError:
session.rollback()
return False
session.commit()
return True
