fix(create): 素材参考 - 允许选择未缓存的远端素材

web/src/pages/create/creation-library.ts

@@ -0,0 +1,32 @@
+import type { AssetLibraryPickerItem } from "@/components/assets/asset-library-picker-modal";
+import type { CreationMode } from "@/lib/creation-mode";
+import type { CreationReferenceLimits } from "./creation-references";
+import { creationAttachmentFromAsset, creationAttachmentFromAudioAsset, creationAttachmentFromExternalAsset, creationAttachmentFromVideoAsset, type CreationAttachment } from "./creation-assets";
+
+export function creationLibraryDisabledReason(mode: CreationMode, kind: string | undefined, videoLimits?: CreationReferenceLimits) {
+    if (kind !== "image" && kind !== "video" && kind !== "audio") return "此类型素材暂不支持作为创作参考";
+    if (mode === "image") return kind === "image" ? undefined : "图片创作仅支持参考图";
+    if (mode !== "video") return undefined;
+
+    const maximum = kind === "image" ? videoLimits?.maxImages : kind === "video" ? videoLimits?.maxVideos : videoLimits?.maxAudios;
+    if ((maximum || 0) > 0) return undefined;
+    const label = kind === "video" ? "视频" : kind === "audio" ? "音频" : "图片";
+    return `当前视频模型不支持参考${label}`;
+}
+
+export function creationLibrarySelectionToAttachments(ids: string[], items: AssetLibraryPickerItem[], mode: CreationMode, videoLimits?: CreationReferenceLimits): CreationAttachment[] {
+    const itemsById = new Map(items.map((item) => [item.id, item]));
+    return ids.map((id) => {
+        const item = itemsById.get(id);
+        if (!item) throw new Error("所选素材已不存在，请重新选择");
+        const kind = item.external?.item.kind || item.asset?.kind;
+        const disabledReason = item.disabledReason || creationLibraryDisabledReason(mode, kind, videoLimits);
+        if (disabledReason) throw new Error(`“${item.title}”：${disabledReason}`);
+        if (item.external) return creationAttachmentFromExternalAsset(item.external);
+        const asset = item.asset;
+        if (asset?.kind === "image") return creationAttachmentFromAsset(asset);
+        if (asset?.kind === "video") return creationAttachmentFromVideoAsset(asset);
+        if (asset?.kind === "audio") return creationAttachmentFromAudioAsset(asset);
+        throw new Error("所选素材已不存在，请重新选择");
+    });
+}