From 1a14309e212a697bae8acd4ddb17723b0f6670a6 Mon Sep 17 00:00:00 2001
From: Arda Serdar Pektezol <1669855+pektezol@users.noreply.github.com>
Date: Mon, 3 Jul 2023 08:40:43 +0000
Subject: feat: parser for getting portal and tick count (#42)

Former-commit-id: 1619ece868b7009a661dcc3b622746cc09981042
---
 backend/parser/parser.go | 41 ++++++++++++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)

(limited to 'backend/parser')

diff --git a/backend/parser/parser.go b/backend/parser/parser.go
index 6f9a24f..040b94a 100644
--- a/backend/parser/parser.go
+++ b/backend/parser/parser.go
@@ -1,7 +1,42 @@
 package parser
 
-import "mime/multipart"
+import (
+	"bufio"
+	"fmt"
+	"os/exec"
+	"strconv"
+	"strings"
+)
 
-func ProcessDemo(demo *multipart.FileHeader) (scoreCount int, scoreTime int, err error) {
-	return 0, 0, nil
+func ProcessDemo(demoPath string) (int, int, error) {
+	cmd := exec.Command("bash", "-c", fmt.Sprintf(`echo "FEXBash" && ./parser %s`, demoPath))
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return 0, 0, err
+	}
+	cmd.Start()
+	scanner := bufio.NewScanner(stdout)
+	var cmTicks, portalCount int
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.Contains(line, "CM ticks") {
+			cmTicksStr := strings.TrimSpace(strings.Split(line, ":")[1])
+			cmTicks, err = strconv.Atoi(cmTicksStr)
+			if err != nil {
+				return 0, 0, err
+			}
+		}
+		if strings.Contains(line, "Portal count") {
+			portalCountStr := strings.TrimSpace(strings.Split(line, ":")[1])
+			portalCount, err = strconv.Atoi(portalCountStr)
+			if err != nil {
+				return 0, 0, err
+			}
+		}
+	}
+	err = cmd.Wait()
+	if err != nil {
+		return 0, 0, err
+	}
+	return cmTicks, portalCount, nil
 }
-- 
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