"""
PPM Domain — Exceptions

استثناهای دامنه ماژول مدیریت پرتفولیو و برنامه.
"""


class PPMDomainException(Exception):
    """Base PPM domain exception."""
    pass


class PortfolioNotFoundException(PPMDomainException):
    pass


class ProgramNotFoundException(PPMDomainException):
    pass


class BusinessCaseNotFoundException(PPMDomainException):
    pass


class InvalidPortfolioStatusTransition(PPMDomainException):
    pass


class InvalidProgramStatusTransition(PPMDomainException):
    pass


class DuplicateProjectInProgramException(PPMDomainException):
    pass


class CircularDependencyException(PPMDomainException):
    pass