0520发布文章

write/src/lib/recycle.ts

@@ -0,0 +1,146 @@
+import fs from "fs";
+import path from "path";
+import {
+  RECYCLE_DIR,
+  RECYCLE_POSTS_DIR,
+  RECYCLE_META_DIR,
+  RECYCLE_DAYS,
+} from "./config";
+
+export interface RecycleItem {
+  slug: string;
+  title: string;
+  deletedAt: string; // ISO date
+  originalPath: string;
+  expiresAt: string; // ISO date
+  daysRemaining: number;
+}
+
+export function initRecycleBin(): void {
+  if (!fs.existsSync(RECYCLE_DIR)) {
+    fs.mkdirSync(RECYCLE_DIR, { recursive: true });
+  }
+  if (!fs.existsSync(RECYCLE_POSTS_DIR)) {
+    fs.mkdirSync(RECYCLE_POSTS_DIR, { recursive: true });
+  }
+  if (!fs.existsSync(RECYCLE_META_DIR)) {
+    fs.mkdirSync(RECYCLE_META_DIR, { recursive: true });
+  }
+}
+
+export function moveToRecycle(
+  slug: string,
+  sourceDir: string,
+  title: string
+): void {
+  initRecycleBin();
+
+  const now = new Date();
+  const expires = new Date(now);
+  expires.setDate(expires.getDate() + RECYCLE_DAYS);
+
+  const meta: Omit<RecycleItem, "daysRemaining"> = {
+    slug,
+    title,
+    deletedAt: now.toISOString(),
+    originalPath: sourceDir,
+    expiresAt: expires.toISOString(),
+  };
+
+  // Move post directory to recycle
+  const targetDir = path.join(RECYCLE_POSTS_DIR, slug);
+  if (fs.existsSync(targetDir)) {
+    fs.rmSync(targetDir, { recursive: true, force: true });
+  }
+  fs.renameSync(sourceDir, targetDir);
+
+  // Save metadata
+  const metaPath = path.join(RECYCLE_META_DIR, `${slug}.json`);
+  fs.writeFileSync(metaPath, JSON.stringify(meta, null, 2), "utf-8");
+}
+
+export function listRecycle(): RecycleItem[] {
+  initRecycleBin();
+
+  if (!fs.existsSync(RECYCLE_META_DIR)) return [];
+
+  const items: RecycleItem[] = [];
+  const files = fs.readdirSync(RECYCLE_META_DIR).filter((f) => f.endsWith(".json"));
+
+  for (const file of files) {
+    const metaPath = path.join(RECYCLE_META_DIR, file);
+    const raw = fs.readFileSync(metaPath, "utf-8");
+    const meta = JSON.parse(raw);
+    const now = new Date();
+    const expires = new Date(meta.expiresAt);
+    const daysRemaining = Math.max(
+      0,
+      Math.ceil((expires.getTime() - now.getTime()) / (1000 * 60 * 60 * 24))
+    );
+
+    items.push({ ...meta, daysRemaining });
+  }
+
+  items.sort(
+    (a, b) =>
+      new Date(b.deletedAt).getTime() - new Date(a.deletedAt).getTime()
+  );
+
+  return items;
+}
+
+export function restoreFromRecycle(slug: string): boolean {
+  const metaPath = path.join(RECYCLE_META_DIR, `${slug}.json`);
+  if (!fs.existsSync(metaPath)) return false;
+
+  const raw = fs.readFileSync(metaPath, "utf-8");
+  const meta = JSON.parse(raw);
+  const recyclePostPath = path.join(RECYCLE_POSTS_DIR, slug);
+
+  if (!fs.existsSync(recyclePostPath)) return false;
+
+  // Ensure target directory exists
+  const targetDir = path.dirname(meta.originalPath);
+  if (!fs.existsSync(targetDir)) {
+    fs.mkdirSync(targetDir, { recursive: true });
+  }
+
+  // If target already exists, remove it first
+  if (fs.existsSync(meta.originalPath)) {
+    fs.rmSync(meta.originalPath, { recursive: true, force: true });
+  }
+
+  fs.renameSync(recyclePostPath, meta.originalPath);
+  fs.unlinkSync(metaPath);
+
+  return true;
+}
+
+export function permanentDelete(slug: string): boolean {
+  const metaPath = path.join(RECYCLE_META_DIR, `${slug}.json`);
+  const recyclePostPath = path.join(RECYCLE_POSTS_DIR, slug);
+
+  let deleted = false;
+  if (fs.existsSync(recyclePostPath)) {
+    fs.rmSync(recyclePostPath, { recursive: true, force: true });
+    deleted = true;
+  }
+  if (fs.existsSync(metaPath)) {
+    fs.unlinkSync(metaPath);
+    deleted = true;
+  }
+
+  return deleted;
+}
+
+export function cleanExpired(): number {
+  const items = listRecycle();
+  let count = 0;
+  for (const item of items) {
+    if (item.daysRemaining <= 0) {
+      permanentDelete(item.slug);
+      count++;
+    }
+  }
+  return count;
+}