refactor: split modules and harden scraping workflows

internal/service/strm_output_dir.go

@@ -0,0 +1,122 @@
+package service
+
+import (
+	"path/filepath"
+	"strings"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+)
+
+func strmLibraryOutputSubdir(lib model.Library) string {
+	parts := strmLibraryCategoryParts(lib)
+	if len(parts) == 0 {
+		return sanitizeFilename(lib.Name)
+	}
+	clean := make([]string, 0, len(parts))
+	for _, part := range parts {
+		if safe := sanitizeFilename(part); safe != "" {
+			clean = append(clean, safe)
+		}
+	}
+	if len(clean) == 0 {
+		return sanitizeFilename(lib.Name)
+	}
+	return filepath.Join(clean...)
+}
+
+func strmLibraryCategoryParts(lib model.Library) []string {
+	if parts := strmCategoryPartsFromPath(strmLibraryPathParts(lib.Path)); len(parts) > 0 {
+		return parts
+	}
+	if parts := strmCategoryPartsFromPath(strmNameParts(lib.Name)); len(parts) > 0 {
+		return parts
+	}
+	if root := mediaTypeRootDir(lib.Type); root != "" {
+		return []string{root}
+	}
+	return nil
+}
+
+func strmLibraryPathParts(raw string) []string {
+	if info, ok := ParseCloudLibraryMount(raw); ok {
+		return strmSlashParts(info.DisplayDir)
+	}
+	clean := cleanPathForVolumeMapping(raw)
+	clean = strings.Trim(pathAfterWindowsDrivePrefix(clean), "/")
+	return strmSlashParts(clean)
+}
+
+func strmNameParts(name string) []string {
+	name = strings.NewReplacer("·", "/", ">", "/", "｜", "/", "|", "/", "\\", "/").Replace(name)
+	return strmSlashParts(name)
+}
+
+func strmSlashParts(raw string) []string {
+	raw = strings.Trim(strings.TrimSpace(strings.ReplaceAll(raw, "\\", "/")), "/")
+	if raw == "" || raw == "." {
+		return nil
+	}
+	fields := strings.Split(raw, "/")
+	parts := make([]string, 0, len(fields))
+	for _, part := range fields {
+		part = strings.TrimSpace(part)
+		if part != "" && part != "." {
+			parts = append(parts, part)
+		}
+	}
+	return parts
+}
+
+func strmCategoryPartsFromPath(parts []string) []string {
+	for i, part := range parts {
+		if root := strmCanonicalRoot(part); root != "" {
+			return append([]string{root}, strmSanitizedTail(parts[i+1:])...)
+		}
+		if root := strmCategoryRoot(part); root != "" {
+			return []string{root, part}
+		}
+	}
+	return nil
+}
+
+func strmSanitizedTail(parts []string) []string {
+	out := make([]string, 0, len(parts))
+	for _, part := range parts {
+		if strings.TrimSpace(part) != "" {
+			out = append(out, part)
+		}
+	}
+	return out
+}
+
+func strmCanonicalRoot(part string) string {
+	key := strings.ToLower(strings.TrimSpace(part))
+	switch key {
+	case "电影", "movie", "movies", "film", "films":
+		return "电影"
+	case "电视剧", "剧集", "tv", "tvs", "series", "show", "shows":
+		return "电视剧"
+	case "动漫", "动画", "anime", "bangumi":
+		return "动漫"
+	case "成人", "adult", "adults", "jav", "nsfw", "9kg":
+		return "成人"
+	default:
+		return ""
+	}
+}
+
+func strmCategoryRoot(part string) string {
+	key := strings.ToLower(strings.TrimSpace(part))
+	switch key {
+	case "动画电影", "动漫电影", "华语电影", "国产电影", "外语电影", "欧美电影", "日韩电影":
+		return "电影"
+	case "国产剧", "欧美剧", "日韩剧", "日剧", "韩剧", "综艺", "真人秀", "纪录片", "纪录", "未分类":
+		return "电视剧"
+	case "国漫", "国产动漫", "日番", "番剧", "日漫", "日本动漫", "日本动画", "儿童", "少儿":
+		return "动漫"
+	case "番号":
+		return "成人"
+	default:
+		return ""
+	}
+}