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8f67b3c785
Add new exception SelfVoteException for Submission.increment Implement new string representation built-in functions for all models
40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
class ContestException(Exception):
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"""A exception directly related to the Contest Assistant bot."""
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pass
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class FinishedPeriodException(ContestException):
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"""A inactive period, or a period in it's final state cannot be advanced or further modified."""
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def __repr__(self) -> str:
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return 'Period is inactive.'
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class DatabaseDoubleVoteException(ContestException):
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"""
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The database was asked to increment a vote for a submission with a user ID that was already added.
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Companion to `DatabaseNoVoteException`
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"""
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def __repr__(self) -> str:
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return 'You can\'t vote for a submission twice.'
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class DatabaseNoVoteException(ContestException):
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"""
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The database was asked to decrement a vote for a submission with a user ID that did not or no longer exists for the given submission.
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Companion to `DatabaseDoubleVoteException`
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"""
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def __repr__(self) -> str:
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return 'You can\'t remove a vote that never or no longer exists'
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class SelfVoteException(ContestException):
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"""A user tried to vote on his own submission."""
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def __repr__(self) -> str:
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return 'You can\'t vote on your own submission. Please choose another post.'
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