34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
"""Public error types returned by the payroll core."""
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from __future__ import annotations
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from dataclasses import dataclass, field as dataclass_field
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from typing import Mapping
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@dataclass(frozen=True, slots=True)
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class PayrollIssue:
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"""A machine-readable validation or calculation issue."""
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code: str
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message: str
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field: str | None = None
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context: Mapping[str, str] = dataclass_field(default_factory=dict)
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def to_dict(self) -> dict[str, object]:
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return {
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"code": self.code,
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"message": self.message,
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"field": self.field,
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"context": dict(self.context),
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}
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class PayrollValidationError(ValueError):
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"""Raised when calculation input cannot be processed safely."""
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def __init__(self, issues: tuple[PayrollIssue, ...] | list[PayrollIssue]):
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self.issues = tuple(issues)
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message = "; ".join(f"{issue.code}: {issue.message}" for issue in self.issues)
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super().__init__(message or "Payroll validation failed")
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