initial commit

internal/screenshots.go

@@ -0,0 +1,52 @@
+package steamimmich
+
+import (
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+)
+
+func listScreenshots(steamUserdataDir string) (map[string][]string, error) {
+	if _, err := os.Stat(steamUserdataDir); os.IsNotExist(err) {
+		return nil, err
+	}
+
+	// Pattern: userdata/<steamid>/760/remote/<appid>/screenshots
+	reAppDir := regexp.MustCompile(`.*/760/remote/([0-9]+)/screenshots$`)
+
+	screenshotFiles := make(map[string][]string)
+
+	err := filepath.WalkDir(steamUserdataDir, func(path string, d os.DirEntry, err error) error {
+		if err != nil {
+			return nil
+		}
+		if !d.IsDir() {
+			return nil
+		}
+
+		if reAppDir.MatchString(path) {
+			appid := reAppDir.FindStringSubmatch(path)[1]
+			files, _ := os.ReadDir(path)
+			for _, f := range files {
+				if f.IsDir() {
+					continue
+				}
+				name := strings.ToLower(f.Name())
+				if strings.HasSuffix(name, ".jpg") ||
+					strings.HasSuffix(name, ".jpeg") ||
+					strings.HasSuffix(name, ".png") {
+					fullPath := filepath.Join(path, f.Name())
+					screenshotFiles[appid] = append(screenshotFiles[appid], fullPath)
+				}
+			}
+		}
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return screenshotFiles, nil
+}