fn set_percentage_stats()

in src/server.rs [1851:1900]

• 44 lines of code
• 7 McCabe index (conditional complexity)

    fn set_percentage_stats(&self, stats_vec: &mut Vec<(String, String, usize)>, advanced: bool) {
        set_percentage_stat(
            stats_vec,
            self.cache_hits.all(),
            self.cache_misses.all() + self.cache_hits.all(),
            "Cache hits rate",
        );

        let (stats_hits, stats_misses): (Vec<_>, Vec<_>) = if advanced {
            (
                self.cache_hits.adv_counts.iter().collect(),
                self.cache_misses.adv_counts.iter().collect(),
            )
        } else {
            (
                self.cache_hits.counts.iter().collect(),
                self.cache_misses.counts.iter().collect(),
            )
        };

        let mut all_languages: HashSet<&String> = HashSet::new();
        for (lang, _) in &stats_hits {
            all_languages.insert(lang);
        }
        for (lang, _) in &stats_misses {
            all_languages.insert(lang);
        }

        let mut all_languages: Vec<&String> = all_languages.into_iter().collect();
        all_languages.sort();

        for lang in all_languages {
            let count_hits = stats_hits
                .iter()
                .find(|&&(l, _)| l == lang)
                .map_or(0, |&(_, &count)| count);

            let count_misses = stats_misses
                .iter()
                .find(|&&(l, _)| l == lang)
                .map_or(0, |&(_, &count)| count);

            set_percentage_stat(
                stats_vec,
                count_hits,
                count_hits + count_misses,
                &format!("Cache hits rate ({})", lang),
            );
        }
    }