41 lines
1.5 KiB
Rust
41 lines
1.5 KiB
Rust
//! 成长领域错误。
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//!
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//! 错误保持纯领域语义，例如章节参数非法、经验预算非法或用户/章节标识缺失。
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use std::{error::Error, fmt};
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#[derive(Clone, Debug, PartialEq, Eq)]
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pub enum ProgressionFieldError {
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MissingUserId,
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MissingChapterId,
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InvalidChapterIndex,
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InvalidTotalChapters,
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InvalidLevel,
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InvalidEntryExitLevel,
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InvalidXpBudget,
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InvalidExpectedHostileDefeatCount,
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}
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impl fmt::Display for ProgressionFieldError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::MissingUserId => f.write_str("player_progression.user_id 不能为空"),
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Self::MissingChapterId => f.write_str("chapter_progression.chapter_id 不能为空"),
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Self::InvalidChapterIndex => {
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f.write_str("chapter_progression.chapter_index 必须大于 0")
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}
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Self::InvalidTotalChapters => f.write_str("chapter_progression.total_chapters 非法"),
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Self::InvalidLevel => f.write_str("player_progression.level 非法"),
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Self::InvalidEntryExitLevel => {
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f.write_str("chapter_progression.entry_level / exit_level 非法")
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}
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Self::InvalidXpBudget => f.write_str("chapter_progression 经验预算非法"),
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Self::InvalidExpectedHostileDefeatCount => {
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f.write_str("chapter_progression.expected_hostile_defeat_count 非法")
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}
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}
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}
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}
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impl Error for ProgressionFieldError {}
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