structural improvements

optimizeImage/optimizeImage.go

@@ -0,0 +1,72 @@
+package optimizeImage
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+var ImageExts = map[string]bool{
+	".jpeg": true,
+	".jpg":  true,
+	".png":  true,
+	".gif":  true,
+	".bmp":  true,
+	".tiff": true,
+	".tif":  true,
+	".webp": true,
+}
+
+const touchedFile = ".touched"
+
+var Touched = loadTouched()
+
+func OptimizeImage(path string) {
+
+	fmt.Println("optiimg")
+	cmd := exec.Command("mogrify",
+		"-strip",
+		"-interlace", "Plane",
+		"-sampling-factor", "4:2:0",
+		"-resize", "5000x3000",
+		"-quality", "80%",
+		path,
+	)
+
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		fmt.Printf("Error optimizing %s: %v\n%s", path, err, out)
+	} else {
+		markTouched(path)
+		fmt.Printf("Optimized %s\n", path)
+	}
+}
+
+func loadTouched() map[string]bool {
+	set := map[string]bool{}
+	data, err := os.ReadFile(touchedFile)
+	if err != nil {
+		return set
+	}
+	for _, line := range strings.Split(string(data), "\n") {
+		line = strings.TrimSpace(line)
+		if line != "" && !set[line] {
+			set[line] = true
+		}
+	}
+	return set
+}
+
+func markTouched(path string) {
+	f, err := os.OpenFile(touchedFile, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		fmt.Printf("Error updating %s: %v\n", touchedFile, err)
+		return
+	}
+	defer f.Close()
+
+	if _, err := fmt.Fprintln(f, path); err == nil {
+		Touched[path] = true
+	}
+}