Initial commit

src/server/book-handlers.ts

@@ -0,0 +1,190 @@
+import type { IncomingMessage, ServerResponse } from "node:http";␍
+import { listSkills } from "../skills/loader.js";␍
+import { createBook, deleteBook, getBook, listBooks, updateBook } from "../book/store.js";␍
+import { sessionManager } from "./session-manager.js";␍
+␍
+async function readBody(req: IncomingMessage): Promise<string> {␍
+  const chunks: Buffer[] = [];␍
+  for await (const chunk of req) {␍
+    chunks.push(chunk as Buffer);␍
+  }␍
+  return Buffer.concat(chunks).toString("utf8");␍
+}␍
+␍
+function json(res: ServerResponse, status: number, data: unknown): void {␍
+  res.writeHead(status, { "Content-Type": "application/json; charset=utf-8" });␍
+  res.end(JSON.stringify(data));␍
+}␍
+␍
+export async function handleBooksApi(␍
+  req: IncomingMessage,␍
+  res: ServerResponse,␍
+  pathname: string,␍
+): Promise<boolean> {␍
+  if (pathname === "/api/skills" && req.method === "GET") {␍
+    const skills = await listSkills();␍
+    json(res, 200, {␍
+      skills: skills.map((s) => ({␍
+        id: s.name,␍
+        name: s.name,␍
+        description: s.description,␍
+        category: s.category,␍
+        bookKind: s.bookKind,␍
+      })),␍
+    });␍
+    return true;␍
+  }␍
+␍
+  if (pathname === "/api/books" && req.method === "GET") {␍
+    json(res, 200, { books: listBooks() });␍
+    return true;␍
+  }␍
+␍
+  if (pathname === "/api/books" && req.method === "POST") {␍
+    const body = JSON.parse(await readBody(req)) as { title?: string };␍
+    const book = createBook({ title: body.title });␍
+    const session = await sessionManager.createForBook(book.id);␍
+    json(res, 201, { book, session });␍
+    return true;␍
+  }␍
+␍
+  const savesListMatch = pathname.match(/^\/api\/books\/([^/]+)\/saves$/);␍
+  if (savesListMatch) {␍
+    const bookId = decodeURIComponent(savesListMatch[1]);␍
+    const book = getBook(bookId);␍
+    if (!book) {␍
+      json(res, 404, { error: "Book 不存在" });␍
+      return true;␍
+    }␍
+␍
+    if (req.method === "GET") {␍
+      try {␍
+        const saves = sessionManager.listGameSnapshots(bookId);␍
+        json(res, 200, { saves });␍
+      } catch (err) {␍
+        json(res, 400, {␍
+          error: err instanceof Error ? err.message : "读取存档失败",␍
+        });␍
+      }␍
+      return true;␍
+    }␍
+␍
+    if (req.method === "POST") {␍
+      const body = JSON.parse(await readBody(req)) as {␍
+        label?: string;␍
+        note?: string;␍
+        sessionId?: string;␍
+        kind?: "instance" | "run";␍
+      };␍
+      const sessionId =␍
+        body.sessionId?.trim() ||␍
+        sessionManager.getActiveSessionForBook(bookId)?.id;␍
+      if (!sessionId) {␍
+        json(res, 400, { error: "当前作品没有活跃会话，无法存档" });␍
+        return true;␍
+      }␍
+      const kind = body.kind === "instance" ? "instance" : "run";␍
+      try {␍
+        const save = sessionManager.saveGameSnapshot(␍
+          sessionId,␍
+          body.label ?? "",␍
+          kind,␍
+          body.note,␍
+        );␍
+        json(res, 201, { save });␍
+      } catch (err) {␍
+        json(res, 400, {␍
+          error: err instanceof Error ? err.message : "存档失败",␍
+        });␍
+      }␍
+      return true;␍
+    }␍
+  }␍
+␍
+  const saveItemMatch = pathname.match(␍
+    /^\/api\/books\/([^/]+)\/saves\/([^/]+)(\/load)?$/,␍
+  );␍
+  if (saveItemMatch) {␍
+    const bookId = decodeURIComponent(saveItemMatch[1]);␍
+    const saveId = decodeURIComponent(saveItemMatch[2]);␍
+    const isLoad = saveItemMatch[3] === "/load";␍
+␍
+    if (isLoad && req.method === "POST") {␍
+      try {␍
+        const session = await sessionManager.loadGameSnapshot(bookId, saveId);␍
+        json(res, 200, { session });␍
+      } catch (err) {␍
+        json(res, 400, {␍
+          error: err instanceof Error ? err.message : "读档失败",␍
+        });␍
+      }␍
+      return true;␍
+    }␍
+␍
+    if (req.method === "DELETE") {␍
+      try {␍
+        sessionManager.deleteGameSnapshot(bookId, saveId);␍
+        json(res, 200, { ok: true });␍
+      } catch (err) {␍
+        json(res, 404, {␍
+          error: err instanceof Error ? err.message : "删除失败",␍
+        });␍
+      }␍
+      return true;␍
+    }␍
+  }␍
+␍
+  const bookMatch = pathname.match(/^\/api\/books\/([^/]+)(\/open)?$/);␍
+  if (bookMatch) {␍
+    const bookId = decodeURIComponent(bookMatch[1]);␍
+    const isOpen = bookMatch[2] === "/open";␍
+␍
+    if (isOpen && req.method === "POST") {␍
+      const book = getBook(bookId);␍
+      if (!book) {␍
+        json(res, 404, { error: "Book 不存在" });␍
+        return true;␍
+      }␍
+      const session = await sessionManager.openBook(book.id);␍
+      json(res, 200, { book, session });␍
+      return true;␍
+    }␍
+␍
+    if (req.method === "GET") {␍
+      const book = getBook(bookId);␍
+      if (!book) {␍
+        json(res, 404, { error: "Book 不存在" });␍
+        return true;␍
+      }␍
+      json(res, 200, { book });␍
+      return true;␍
+    }␍
+␍
+    if (req.method === "PUT") {␍
+      const body = JSON.parse(await readBody(req)) as { title?: string };␍
+      try {␍
+        const book = updateBook(bookId, { title: body.title?.trim() });␍
+        json(res, 200, { book });␍
+      } catch (err) {␍
+        json(res, 404, {␍
+          error: err instanceof Error ? err.message : "更新失败",␍
+        });␍
+      }␍
+      return true;␍
+    }␍
+␍
+    if (req.method === "DELETE") {␍
+      const book = getBook(bookId);␍
+      if (!book) {␍
+        json(res, 404, { error: "Book 不存在" });␍
+        return true;␍
+      }␍
+      sessionManager.dropBookSessions(bookId);␍
+      deleteBook(bookId);␍
+      json(res, 200, { ok: true });␍
+      return true;␍
+    }␍
+  }␍
+␍
+  return false;␍
+}␍