重构成功

lib/plugins/convert/service.js

@@ -0,0 +1,65 @@
+import fs from "fs";
+import path from "path";
+import { spawnSync } from "child_process";
+import { MODEL_CONVERTER } from "../../paths.js";
+
+// 格式映射
+const FORMAT_EXT = {
+  collada: ".dae", stp: ".stp", obj: ".obj", objnomtl: ".obj",
+  stl: ".stl", stlb: ".stl", ply: ".ply", plyb: ".ply", "3ds": ".3ds",
+  gltf2: ".gltf", glb2: ".glb",
+  assbin: ".assbin", assxml: ".assxml", x3d: ".x3d",
+  fbx: ".fbx", fbxa: ".fbx", "3mf": ".3mf", pbrt: ".pbrt", assjson: ".json"
+};
+
+// 缓存
+let importExts = null;
+let exportFormats = null;
+
+// 获取支持的导入格式
+export const getImportExtensions = () => {
+  if (!importExts) {
+    const r = spawnSync(MODEL_CONVERTER, ["listext"], { encoding: "utf8" });
+    if (!r.stdout) throw new Error("无法获取支持的导入格式，请检查 model_converter.exe 是否存在");
+    importExts = r.stdout.trim().split(";").map(e => e.replace("*", "").toLowerCase());
+  }
+  return importExts;
+};
+
+// 获取支持的导出格式
+export const getExportFormats = () => {
+  if (!exportFormats) {
+    const r = spawnSync(MODEL_CONVERTER, ["listexport"], { encoding: "utf8" });
+    if (!r.stdout) throw new Error("无法获取支持的导出格式，请检查 model_converter.exe 是否存在");
+    exportFormats = r.stdout.trim().split(/\r?\n/).filter(Boolean);
+  }
+  return exportFormats;
+};
+
+// 转换文件
+export const convert = async (inputFile, outputFile, format, cwd = process.cwd()) => {
+  const r = spawnSync(MODEL_CONVERTER, ["export", inputFile, outputFile, `-f${format}`], { encoding: "utf8", cwd });
+  if (r.status !== 0) throw new Error(r.stderr || r.stdout || "转换失败");
+  return outputFile;
+};
+
+// 获取输出文件扩展名
+const getOutputExt = (format) => {
+  return FORMAT_EXT[format] || "." + format;
+};
+
+// 处理单个文件
+export const processFile = async (file, config) => {
+  const cwd = process.cwd();
+  const { dir, name } = path.parse(file);
+  const outputExt = getOutputExt(config.outputFormat);
+  const outputFile = path.join(dir || "", `${name}${outputExt}`);
+  const absolutePath = path.join(cwd, file);
+
+  if (!fs.existsSync(absolutePath)) {
+    return { ok: false, file, reason: "文件不存在" };
+  }
+
+  await convert(file, outputFile, config.outputFormat, cwd);
+  return { ok: true, file, output: outputFile };
+};