gobby-code 1.3.3

Fast Rust CLI for Gobby's code index — AST-aware search, symbol navigation, and dependency graph
Documentation 
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//! Daemon-based savings tracking for gcode.
//!
//! Reports token savings to the Gobby daemon via HTTP POST when gcode returns
//! compact symbol/outline data instead of full file contents.

/// Calculate savings percentage.
pub fn savings_pct(original_chars: usize, actual_chars: usize) -> f64 {
    if original_chars == 0 {
        return 0.0;
    }
    (1.0 - actual_chars as f64 / original_chars as f64) * 100.0
}

/// Report a savings event to the Gobby daemon via HTTP POST.
///
/// Best-effort: all errors are silently ignored. The daemon being down
/// should never break gcode functionality.
pub fn report_savings(base_url: &str, original_chars: usize, actual_chars: usize) {
    let url = format!("{}/api/admin/savings/record", base_url);
    let payload = serde_json::json!({
        "category": "code_index",
        "original_chars": original_chars,
        "actual_chars": actual_chars,
        "metadata": { "strategy": "outline" }
    });
    let _ = ureq::post(&url)
        .timeout(std::time::Duration::from_secs(1))
        .send_json(payload);
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_savings_pct_basic() {
        let pct = savings_pct(1000, 200);
        assert!((pct - 80.0).abs() < 0.01);
    }

    #[test]
    fn test_savings_pct_zero_original() {
        assert_eq!(savings_pct(0, 0), 0.0);
    }

    #[test]
    fn test_savings_pct_no_savings() {
        assert!((savings_pct(100, 100)).abs() < 0.01);
    }
}