added：增加Linux-server

write-server/src/lib/bot/sessions.ts

@@ -0,0 +1,101 @@
+import { createPost, updatePost, getPost } from "@/lib/posts";
+import { DEFAULT_AUTHOR, CONTENT_DIR } from "@/lib/config";
+import path from "path";
+
+export interface Session {
+  title: string;
+  slug: string;
+  content: string;
+  categories: string[];
+  tags: string[];
+  author: string;
+  draft: boolean;
+  chunks: string[];
+  originalSlug?: string;
+  dirPath: string;
+}
+
+function computeDirPath(title: string, date?: string): string {
+  const d = date ? new Date(date) : new Date();
+  const year = d.getFullYear().toString();
+  const dateStr = d.toISOString().slice(0, 10);
+  const titlePart = (title || "untitled")
+    .replace(/[^\w一-鿿㐀-䶿]+/g, "-")
+    .replace(/^-+|-+$/g, "")
+    .toLowerCase() || "post";
+  return path.join(CONTENT_DIR, year, `${dateStr}-${titlePart}`);
+}
+
+const sessions = new Map<number, Session>();
+
+export function getSession(chatId: number): Session {
+  if (!sessions.has(chatId)) {
+    sessions.set(chatId, {
+      title: "",
+      slug: "",
+      content: "",
+      categories: [],
+      tags: [],
+      author: DEFAULT_AUTHOR,
+      draft: true,
+      chunks: [],
+      dirPath: "",
+    });
+  }
+  return sessions.get(chatId)!;
+}
+
+export function hasSession(chatId: number): boolean {
+  return sessions.has(chatId);
+}
+
+export function clearSession(chatId: number): void {
+  sessions.delete(chatId);
+}
+
+export function appendContent(chatId: number, text: string): void {
+  const s = getSession(chatId);
+  s.chunks.push(text + "\n\n");
+  s.content += text + "\n\n";
+}
+
+export function undoLastChunk(chatId: number): boolean {
+  const s = getSession(chatId);
+  if (s.chunks.length === 0) return false;
+  const lastChunk = s.chunks.pop()!;
+  const idx = s.content.lastIndexOf(lastChunk);
+  if (idx >= 0) {
+    s.content = s.content.slice(0, idx) + s.content.slice(idx + lastChunk.length);
+  }
+  return true;
+}
+
+export function initSessionDir(chatId: number, title: string, date?: string): void {
+  const s = getSession(chatId);
+  if (!s.dirPath) {
+    s.dirPath = computeDirPath(title, date);
+  }
+}
+
+export async function saveSession(s: Session, isDraft: boolean): Promise<void> {
+  const dateStr = new Date().toISOString().slice(0, 10);
+  const frontMatter = {
+    title: s.title,
+    slug: s.slug,
+    date: dateStr,
+    draft: isDraft,
+    categories: s.categories,
+    tags: s.tags,
+    author: s.author,
+  };
+
+  const existing = getPost(s.slug);
+  if (existing) {
+    const result = updatePost(s.slug, frontMatter, s.content);
+    if (!result.success) throw new Error("更新文章失败");
+    s.dirPath = result.dirPath;
+  } else {
+    const dirPath = createPost(frontMatter, s.content);
+    s.dirPath = dirPath;
+  }
+}