feat(下载对话框): 学 MoviePilot 重做手动下载对话框

- 标题区:海报、作品名 (年份)、站点;资源行显示原始标题、促销、H&R、做种 / 下载、大小、发布时间 - 下载器与保存目录并排下拉,缺省「自动」,下方写明「将保存到」的实际路径;保留「自定义路径」 - 作品身份折叠区:类型 + TMDB 编号(可搜索作品),未识别时默认展开,指定后随下载绑定 - 已有版本先显示一行摘要,选一次性洗版才展开勾选列表 - 搜索、工作台、原站视图三处调用方补传资源字段 Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei
2026-10-06 12:10:03 +08:00
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+import type {
+  AssetVersion,
+  DownloadSavePaths,
+  DownloadSaveTarget,
+  LibraryVersions,
+  ManualAcquisitionRequest,
+  VersionSummary,
+} from "@umt/contracts";
+import { formatBytes } from "~/lib/utils.ts";
+
+// 手动下载对话框的纯逻辑:保存目录解析、已有版本摘要、提交参数。界面在 manual-download-dialog.tsx。
+
+export type ManualDownloadOptions = Omit<ManualAcquisitionRequest, "sourceReleaseId">;
+export type TmdbType = "movie" | "tv";
+
+/** 保存目录下拉的取值:"" = 自动,CUSTOM_DIR = 自定义路径,其余是目录本身 */
+export const CUSTOM_DIR = "__custom__";
+
+/** 选中的下载器;没选时用「自动」会用的那个 */
+export function targetOf(paths: DownloadSavePaths | undefined, instanceId: string): DownloadSaveTarget | null {
+  if (!paths) return null;
+  const id = instanceId || paths.autoInstanceId;
+  return paths.instances.find((t) => t.instanceId === id) ?? null;
+}
+
+/** 「将保存到」显示的路径:自动 = 下载器默认保存目录;自定义取输入框;没有可用下载器为 null */
+export function resolveSavePath(
+  target: DownloadSaveTarget | null,
+  dir: string,
+  custom: string,
+): { path: string; hostPath: string | null } | null {
+  if (dir === CUSTOM_DIR) {
+    const p = custom.trim();
+    return p ? { path: p, hostPath: null } : null;
+  }
+  if (!target) return null;
+  const hit = dir ? target.dirs.find((d) => d.path === dir) : target.dirs[0];
+  return hit ? { path: hit.path, hostPath: hit.hostPath } : null;
+}
+
+/** 本机路径与下载器路径不同时括注本机路径,方便对照文件管理 */
+export function savePathText(r: { path: string; hostPath: string | null }): string {
+  return r.hostPath && r.hostPath !== r.path ? `${r.path}（本机 ${r.hostPath}）` : r.path;
+}
+
+/** 已有版本去重展开(电影 / 每集 / 未对上集的) */
+export function existingVersions(inv: LibraryVersions | undefined): AssetVersion[] {
+  const out = new Map<string, AssetVersion>();
+  for (const v of inv?.movie?.versions ?? []) out.set(v.assetId, v);
+  for (const season of inv?.seasons ?? [])
+    for (const episode of season.episodes) for (const v of episode.versions) out.set(v.assetId, v);
+  for (const v of inv?.unplaced ?? []) out.set(v.assetId, v);
+  return [...out.values()];
+}
+
+/** 一行摘要:「媒体库已有：1080p WEB-DL · 8.9 GB」;多种规格只列前两种 */
+export function versionSummaryText(s: VersionSummary | undefined): string | null {
+  if (!s?.versionCount) return null;
+  const specs = s.specs.map((g) => [g.resolution, g.source, ...g.hdr].filter(Boolean).join(" ")).filter(Boolean);
+  const head = specs.slice(0, 2).join("、") + (specs.length > 2 ? ` 等 ${specs.length} 种` : "");
+  const parts = [
+    head,
+    s.versionCount > 1 ? `${s.versionCount} 个版本` : "",
+    s.sizeBytes ? formatBytes(s.sizeBytes, 1) : "",
+  ];
+  return `媒体库已有：${parts.filter(Boolean).join(" · ")}`;
+}
+
+/** 下载前指定的作品:本地作品,或按类型 + TMDB 编号 */
+export type IdentityChoice =
+  | { kind: "entity"; id: string; title: string }
+  | { kind: "tmdb"; type: TmdbType; id: string };
+
+/** 作品当前的 TMDB 身份;和它相同就不算改动 */
+export function identityChanged(
+  choice: IdentityChoice | null,
+  current: { entityId?: string | undefined; tmdb?: { type: TmdbType; id: string } | null },
+): boolean {
+  if (!choice) return false;
+  if (choice.kind === "entity") return choice.id !== current.entityId;
+  if (!/^\d+$/.test(choice.id)) return false;
+  return !(current.tmdb && current.tmdb.type === choice.type && current.tmdb.id === choice.id);
+}
+
+export function buildManualOptions(s: {
+  entityId?: string | undefined;
+  currentTmdb?: { type: TmdbType; id: string } | null;
+  identity: IdentityChoice | null;
+  instanceId: string;
+  target: DownloadSaveTarget | null;
+  dir: string;
+  custom: string;
+  allowUnrecognized: boolean;
+  mode: "normal" | "replace";
+  selected: string[];
+}): ManualDownloadOptions {
+  const changed = identityChanged(s.identity, { entityId: s.entityId, tmdb: s.currentTmdb ?? null });
+  const identity: ManualDownloadOptions["identity"] =
+    changed && s.identity
+      ? s.identity.kind === "entity"
+        ? { mediaEntityId: s.identity.id }
+        : { external: { provider: "tmdb", entityType: s.identity.type, externalId: s.identity.id } }
+      : undefined;
+  // 改了作品时已有版本属于旧作品,只能正常入库
+  const mode = identity ? "normal" : s.mode;
+  const savePath = s.dir === CUSTOM_DIR ? s.custom.trim() : s.dir;
+  // 自动下载器 + 指定目录:钉住解析出的那个下载器,目录才对得上
+  const instanceId = s.instanceId || (savePath && s.dir !== CUSTOM_DIR ? (s.target?.instanceId ?? "") : "");
+  return {
+    ...(identity ? { identity } : s.entityId ? { entityId: s.entityId } : {}),
+    ...(instanceId ? { downloaderInstanceId: instanceId } : {}),
+    ...(savePath ? { savePath } : {}),
+    ...(s.allowUnrecognized && !identity ? { allowUnrecognized: true } : {}),
+    importMode: mode,
+    replacementAssetIds: mode === "replace" ? s.selected : [],
+  };
+}
+
+/** 从标题解析结果猜类型:有季或集就是剧集 */
+export function kindHintOf(parsed: unknown): TmdbType {
+  const p = (parsed ?? {}) as { season?: unknown; episodes?: unknown };
+  return (p.season !== undefined && p.season !== null) || (p.episodes !== undefined && p.episodes !== null)
+    ? "tv"
+    : "movie";
+}
+
+/** 作品类型 → TMDB 类型 */
+export const tmdbTypeOf = (kind: string | undefined): TmdbType => (kind === "movie" ? "movie" : "tv");