refactor: split cloud mount modules

internal/service/cloud_mount_label.go

@@ -0,0 +1,136 @@
+package service
+
+import (
+	"net/url"
+	"strings"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service/cloud"
+)
+
+func CloudMountProviderLabel(provider string) string {
+	switch strings.TrimSpace(provider) {
+	case LegacyQuarkProvider:
+		return "已停用网盘"
+	case cloud.Type115:
+		return "115 网盘"
+	case cloud.TypeCloudDrive2:
+		return "CloudDrive2"
+	case cloud.TypeOpenList:
+		return "OpenList"
+	default:
+		if strings.TrimSpace(provider) == "" {
+			return "网盘"
+		}
+		return strings.TrimSpace(provider)
+	}
+}
+
+func stripCloudProviderDisplayPrefix(name, provider string) string {
+	name = strings.TrimSpace(name)
+	if name == "" {
+		return ""
+	}
+	for _, label := range []string{CloudMountProviderLabel(provider), strings.TrimSpace(provider)} {
+		label = strings.TrimSpace(label)
+		if label == "" || len(name) < len(label) || !strings.EqualFold(name[:len(label)], label) {
+			continue
+		}
+		rest := strings.TrimSpace(name[len(label):])
+		rest = strings.TrimLeft(rest, " \t\r\n·・-—–|｜:/\\")
+		if rest != "" {
+			return strings.TrimSpace(rest)
+		}
+		if strings.EqualFold(name, label) {
+			return ""
+		}
+	}
+	return name
+}
+
+func cloudMountDirBase(dir string) string {
+	dir = strings.Trim(strings.TrimSpace(strings.ReplaceAll(dir, "\\", "/")), "/")
+	if dir == "" {
+		return ""
+	}
+	parts := strings.Split(dir, "/")
+	for i := len(parts) - 1; i >= 0; i-- {
+		if part := strings.TrimSpace(parts[i]); part != "" {
+			return part
+		}
+	}
+	return ""
+}
+
+func normalizeLibraryMergeName(name string) string {
+	name = strings.ToLower(strings.TrimSpace(name))
+	if name == "" {
+		return ""
+	}
+	return strings.Join(strings.Fields(name), " ")
+}
+
+func ShadowedCloudLibraryIDSet(libs []model.Library) map[string]bool {
+	out := make(map[string]bool)
+	for _, lib := range libs {
+		if CloudLibraryShadowed(libs, lib) != nil {
+			out[lib.ID] = true
+		}
+	}
+	return out
+}
+
+func InferCloudMountMediaType(dir, name string) string {
+	text := strings.ToLower(dir + " " + name)
+	switch {
+	case strings.Contains(text, "成人") || strings.Contains(text, "adult") || strings.Contains(text, "jav") || strings.Contains(text, "9kg"):
+		return "adult"
+	case containsAny(text, "动画电影", "华语电影", "外语电影", "欧美电影", "日韩电影", "韩国电影", "日本电影", "港台电影", "香港电影", "台湾电影", "大陆电影", "国产电影", "纪录片", "演唱会", "电影", "movie", "movies", "film", "films", "documentary", "concert"):
+		return "movie"
+	case containsAny(text, "综艺", "真人秀", "脱口秀", "晚会", "variety"):
+		return "variety"
+	case containsAny(text, "国漫", "日漫", "日番", "番剧", "动漫", "欧美动漫", "动画剧集", "anime"):
+		return "anime"
+	case containsAny(text, "国产剧", "大陆剧", "华语剧", "欧美剧", "日韩剧", "韩剧", "日剧", "港剧", "台剧", "泰剧", "英剧", "美剧", "短剧", "电视剧", "剧集", "连续剧", "series", "tv", "shows"):
+		return "tv"
+	default:
+		return "movie"
+	}
+}
+
+func containsAny(text string, values ...string) bool {
+	for _, value := range values {
+		if strings.Contains(text, value) {
+			return true
+		}
+	}
+	return false
+}
+
+func cloudMountAncestor(parent, child string) bool {
+	parent = strings.Trim(parent, "/")
+	child = strings.Trim(child, "/")
+	if parent == child {
+		return false
+	}
+	if parent == "" {
+		return child != ""
+	}
+	return strings.HasPrefix(child, parent+"/")
+}
+
+func normalizeCloudMountDir(provider, value string) string {
+	value = strings.TrimSpace(value)
+	if decoded, err := url.PathUnescape(value); err == nil {
+		value = decoded
+	}
+	if decoded, err := url.QueryUnescape(value); err == nil {
+		value = decoded
+	}
+	value = strings.ReplaceAll(value, "\\", "/")
+	value = strings.Trim(strings.TrimSpace(value), "/")
+	if value == "." || ((provider == cloud.Type115 || provider == LegacyQuarkProvider) && value == "0") {
+		return ""
+	}
+	return value
+}