use std::io::{self, Write};
use serde_json::json;
use crate::cli::MetricKind;
use crate::commands::metrics::section::{write_section_header, MetricSection, SectionCtx};
pub(super) struct DocCoverageSection;
impl MetricSection for DocCoverageSection {
fn metric(&self) -> MetricKind {
MetricKind::DocCoverage
}
fn render_text(&self, ctx: &SectionCtx<'_>, w: &mut dyn Write) -> io::Result<()> {
let Some(report) = ctx.reports.doc_coverage.as_ref() else {
return Ok(());
};
if report.totals.tracked_srcs == 0 {
return Ok(());
}
let top_n = ctx.cfg.metrics.top_n;
write_section_header("Doc coverage", self.metric(), ctx, w)?;
writeln!(
w,
" {} src files tracked, {} missing paired docs",
report.totals.tracked_srcs, report.totals.missing_docs,
)?;
if report.missing.is_empty() {
return Ok(());
}
for entry in report.worst_n(top_n) {
writeln!(
w,
" - {} ⇐ {} (missing)",
entry.src_path.display(),
entry.expected_doc_path.display(),
)?;
}
Ok(())
}
fn raw_json(&self, ctx: &SectionCtx<'_>) -> serde_json::Value {
json!(ctx.reports.doc_coverage.as_ref())
}
fn worst_json(&self, ctx: &SectionCtx<'_>) -> (usize, serde_json::Value) {
let n = ctx.cfg.metrics.top_n;
let entries = ctx
.reports
.doc_coverage
.as_ref()
.map(|r| r.worst_n(n))
.unwrap_or_default();
(n, json!({ "missing": entries }))
}
}