73 lines
2.7 KiB
TypeScript
73 lines
2.7 KiB
TypeScript
// 大纲编辑器纯逻辑：按卷分组、伏笔窗口徽标文案、接近回收窗口提示（UX §6.7）。
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// OutlineChapterView/ForeshadowWindowView 已由 OpenAPI 强类型，无需手动收窄。
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import type { ForeshadowWindowView, OutlineChapterView } from "@/lib/api/types";
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export interface VolumeGroup {
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volume: number;
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chapters: OutlineChapterView[];
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}
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// 按 volume 分组（保持章号升序）；卷号升序。
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export function groupByVolume(
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chapters: readonly OutlineChapterView[] | undefined,
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): VolumeGroup[] {
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const byVolume = new Map<number, OutlineChapterView[]>();
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for (const ch of chapters ?? []) {
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const list = byVolume.get(ch.volume) ?? [];
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byVolume.set(ch.volume, [...list, ch]);
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}
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return [...byVolume.entries()]
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.sort(([a], [b]) => a - b)
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.map(([volume, list]) => ({
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volume,
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chapters: [...list].sort((a, b) => a.no - b.no),
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}));
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}
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// 视图卷过滤值："all" = 全部卷；具体数字 = 只看该卷（对齐后端 GET ?volume）。
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export type ViewVolume = number | "all";
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// 已存大纲里出现过的卷号（升序、去重）——驱动「全部 / 卷 N」选择器选项。
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export function distinctVolumes(
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chapters: readonly OutlineChapterView[] | undefined,
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): number[] {
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const seen = new Set<number>();
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for (const ch of chapters ?? []) seen.add(ch.volume);
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return [...seen].sort((a, b) => a - b);
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}
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// 按视图卷过滤：选「全部」返回全部，选具体卷只留该卷（客户端过滤，避免重复请求）。
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export function filterByViewVolume(
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chapters: readonly OutlineChapterView[] | undefined,
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view: ViewVolume,
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): OutlineChapterView[] {
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const all = [...(chapters ?? [])];
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if (view === "all") return all;
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return all.filter((ch) => ch.volume === view);
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}
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// 伏笔窗口徽标文案（纯文本，旗标图标由渲染层的 lucide Flag 承载，不掺字形）：
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// `F-012 (40-60)` / `F-012 (≤60)` / `F-012 (≥40)` / `F-012`。
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export function windowBadgeLabel(window: ForeshadowWindowView): string {
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const from = window.expected_close_from;
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const to = window.expected_close_to;
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if (typeof from === "number" && typeof to === "number") {
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return `${window.code} (${from}-${to})`;
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}
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if (typeof to === "number") return `${window.code} (≤${to})`;
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if (typeof from === "number") return `${window.code} (≥${from})`;
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return window.code;
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}
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// 接近回收：本章号落在窗口 [from,to] 内（提示「本章可回收」，UX §6.7 ⚑ 可回收）。
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export function isCloseWindow(
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chapter: OutlineChapterView,
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window: ForeshadowWindowView,
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): boolean {
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const to = window.expected_close_to;
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if (typeof to !== "number") return false;
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const from = window.expected_close_from ?? to;
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return chapter.no >= from && chapter.no <= to;
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}
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