Merge pull request #659 from Yamato-Security/658-output-percentage-of-detections-in-results-summary

Added output percentage of detections in results summary

CHANGELOG-Japanese.md

@@ -12,6 +12,7 @@
 - ルールのアップデート機能のルールパスの出力から./を削除した。 (#642) (@hitenkoku)
 - MITRE ATT&CK関連のタグとその他タグを出力するための出力用のエイリアスを追加した。 (#637) (@hitenkoku)
 - 結果概要の数値をカンマをつけて見やすくした。 (#649) (@hitenkoku)
+- 結果概要内の検知数にパーセント表示を追加した。 (#658) (@hitenkoku)
 
 **バグ修正:**
 

CHANGELOG.md

@@ -12,6 +12,7 @@
 - Removed ./ from rule path when updating. (#642) (@hitenkoku)
 - Added new output alias for MITRE ATT&CK tags and other tags. (#637) (@hitenkoku)
 - Added commas to summary numbers to make them easier to read. (#649) (@hitenkoku)
+- Added output percentage of detections in Result Summary. (#658) (@hitenkoku)
 
 **Bug Fixes:**
 

src/afterfact.rs

@@ -437,6 +437,7 @@ fn _print_unique_results(
     // the order in which are registered and the order of levels to be displayed are reversed
     counts_by_level.reverse();
 
+    let total_count = counts_by_level.iter().sum::<u128>();
     // output total results
     write_color_buffer(
         &BufferWriter::stdout(ColorChoice::Always),
@@ -445,10 +446,7 @@ fn _print_unique_results(
             "{} {}: {}",
             head_word,
             tail_word,
-            counts_by_level
-                .iter()
-                .sum::<u128>()
-                .to_formatted_string(&Locale::en),
+            total_count.to_formatted_string(&Locale::en),
         ),
         true,
     )
@@ -458,12 +456,18 @@ fn _print_unique_results(
         if "undefined" == *level_name {
             continue;
         }
+        let percent = if total_count == 0 {
+            0 as f64
+        } else {
+            (counts_by_level[i] as f64) / (total_count as f64) * 100.0
+        };
         let output_raw_str = format!(
-            "{} {} {}: {}",
+            "{} {} {}: {} ({:.2}%)",
             head_word,
             level_name,
             tail_word,
-            counts_by_level[i].to_formatted_string(&Locale::en)
+            counts_by_level[i].to_formatted_string(&Locale::en),
+            percent
         );
         write_color_buffer(
             &BufferWriter::stdout(ColorChoice::Always),