dekun
125 lines
3.5 KiB
TypeScript
125 lines
3.5 KiB
TypeScript
import type { CalcHistoryCreate, CalcHistoryEntry } from "@/lib/history/types";
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async function parseApiError(res: Response): Promise<string> {
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try {
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const data = (await res.json()) as { error?: string };
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return data.error ?? `请求失败 (${res.status})`;
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} catch {
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return `请求失败 (${res.status})`;
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}
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}
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export async function loadHistory(): Promise<CalcHistoryEntry[]> {
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const res = await fetch("/api/history", { cache: "no-store" });
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if (!res.ok) {
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throw new Error(await parseApiError(res));
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}
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const data = (await res.json()) as { items: CalcHistoryEntry[] };
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return data.items ?? [];
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}
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export async function saveHistoryEntry(
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entry: CalcHistoryCreate,
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): Promise<CalcHistoryEntry> {
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const res = await fetch("/api/history", {
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method: "POST",
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cache: "no-store",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(entry),
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});
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if (!res.ok) {
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throw new Error(await parseApiError(res));
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}
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const data = (await res.json()) as { entry: CalcHistoryEntry };
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return data.entry;
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}
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export async function saveHistoryEntrySafe(
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entry: CalcHistoryCreate,
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): Promise<
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{ ok: true; entry: CalcHistoryEntry } | { ok: false; error: string }
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> {
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try {
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const saved = await saveHistoryEntry(entry);
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return { ok: true, entry: saved };
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} catch (err) {
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return {
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ok: false,
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error: err instanceof Error ? err.message : String(err),
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};
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}
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}
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export async function deleteHistoryEntry(id: string): Promise<void> {
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const res = await fetch(`/api/history/${encodeURIComponent(id)}`, {
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method: "DELETE",
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cache: "no-store",
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});
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if (!res.ok) {
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throw new Error(await parseApiError(res));
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}
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}
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export function downloadMarkdown(content: string, filename: string) {
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const blob = new Blob([content], { type: "text/markdown;charset=utf-8" });
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const url = URL.createObjectURL(blob);
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const a = document.createElement("a");
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a.href = url;
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a.download = filename.endsWith(".md") ? filename : `${filename}.md`;
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a.click();
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URL.revokeObjectURL(url);
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}
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function formatBaziInputLines(entry: CalcHistoryEntry): string[] {
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if (!entry.baziInput) {
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return [];
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}
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const { baziInput } = entry;
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const gender = baziInput.gender === "male" ? "男" : "女";
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const hour = baziInput.unknownHour ? "时辰不详" : baziInput.time;
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return [
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`- 出生地域：${baziInput.birthPlaceName}`,
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`- 阳历生日：${baziInput.date} ${hour}`,
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`- 性别：${gender}`,
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];
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}
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function formatBaziChartLines(entry: CalcHistoryEntry): string[] {
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if (!entry.baziChart) {
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return [];
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}
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const { baziChart } = entry;
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const { pillars } = baziChart;
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return [
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`- 农历：${baziChart.lunarDate}`,
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`- 四柱：${pillars.year.ganZhi} ${pillars.month.ganZhi} ${pillars.day.ganZhi} ${pillars.time.ganZhi}`,
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`- 真太阳时：${baziChart.trueSolarTime}`,
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];
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}
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export function buildHistoryMarkdown(entry: CalcHistoryEntry): string {
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const lines = [
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`# ${entry.title}`,
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"",
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`- 类型：${entry.mode}`,
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`- 时间：${new Date(entry.createdAt).toLocaleString("zh-CN")}`,
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`- 问事：${entry.question}`,
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"",
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...formatBaziInputLines(entry),
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...formatBaziChartLines(entry),
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...Object.entries(entry.meta)
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.filter(([key]) => !["出生地域", "阳历生日", "农历", "性别"].includes(key))
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.map(([k, v]) => `- ${k}：${v}`),
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];
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if (entry.hexagram) {
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lines.push(
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`- 卦象：${entry.hexagram.guaTitle}`,
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`- 卦辞：${entry.hexagram.guaResult}`,
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);
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}
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lines.push("", "---", "", entry.completion);
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return lines.join("\n");
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}
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