use super::{base_caps, concepts_of, finding_from_concept};
use crate::domain::concepts::ConceptKind;
use crate::domain::model::LanguageModel;
use crate::domain::rule::{Rule, RuleMeta};
use crate::domain::types::{Confidence, Finding, Severity};
use std::sync::OnceLock;
#[derive(Default)]
pub struct NonIdempotentRetryRule;
impl Rule for NonIdempotentRetryRule {
fn meta(&self) -> &RuleMeta {
static META: OnceLock<RuleMeta> = OnceLock::new();
META.get_or_init(|| RuleMeta {
id: "non-idempotent-retry".into(),
name: "Non-idempotent retry".into(),
description: "Retry of an operation that may not be safe to repeat.".into(),
default_severity: Severity::High,
required_capabilities: base_caps(),
autofix_safe: false,
})
}
fn evaluate(&self, model: &LanguageModel) -> Vec<Finding> {
concepts_of(model, ConceptKind::Retry)
.filter(|(_, c)| c.idempotent == Some(false))
.map(|(lang, c)| {
finding_from_concept(
&self.meta().id,
lang,
c,
Severity::High,
Confidence::Low,
"Retry may re-execute a non-idempotent side effect.",
"Duplicate charges, double writes, or split-brain updates.",
"Make the operation idempotent or use a single-flight / ledger guard.",
)
})
.collect()
}
}