feat: 模板管理 IPC handler

electron/ipc/templateIpc.js

@@ -0,0 +1,79 @@
+const { ipcMain, dialog, app, shell } = require("electron");
+const path = require("path");
+const fs = require("fs");
+const { spawn } = require("child_process");
+const { listTemplates, saveTemplate, updateTemplate, deleteTemplate } = require("../db/templateDb");
+
+const APPDATA_DIR = path.join(app.getPath("userData"), "excel-batch-editor", "templates");
+fs.mkdirSync(APPDATA_DIR, { recursive: true });
+
+const PYTHON_BIN = app.isPackaged
+  ? path.join(process.resourcesPath, "python", "main")
+  : path.join(__dirname, "../../python/main.py");
+
+function callPython(payload) {
+  return new Promise((resolve, reject) => {
+    const isPackaged = app.isPackaged;
+    const proc = isPackaged
+      ? spawn(PYTHON_BIN)
+      : spawn(process.env.PYTHON_PATH || "python3", [PYTHON_BIN]);
+
+    let stdout = "";
+    proc.stdout.on("data", (d) => (stdout += d));
+    proc.stderr.on("data", (d) => console.error("[python]", d.toString()));
+    proc.on("close", () => {
+      try {
+        resolve(JSON.parse(stdout.trim()));
+      } catch (e) {
+        reject(new Error("Python 返回了无效 JSON: " + stdout));
+      }
+    });
+    proc.stdin.write(JSON.stringify(payload) + "\n");
+    proc.stdin.end();
+  });
+}
+
+ipcMain.handle("template:list", () => listTemplates());
+
+ipcMain.handle("template:save", (_, data) => {
+  const id = saveTemplate(data);
+  return id;
+});
+
+ipcMain.handle("template:update", (_, id, data) => {
+  updateTemplate(id, data);
+  return true;
+});
+
+ipcMain.handle("template:delete", (_, id) => {
+  deleteTemplate(id);
+  return true;
+});
+
+ipcMain.handle("template:parse", async (_, filePath) => {
+  return callPython({ action: "parse_template", file_path: filePath });
+});
+
+ipcMain.handle("file:select", async (_, filters = []) => {
+  const result = await dialog.showOpenDialog({ filters, properties: ["openFile"] });
+  return result.canceled ? null : result.filePaths[0];
+});
+
+ipcMain.handle("file:selectDir", async () => {
+  const result = await dialog.showOpenDialog({ properties: ["openDirectory"] });
+  return result.canceled ? null : result.filePaths[0];
+});
+
+ipcMain.handle("file:openDir", (_, dirPath) => {
+  shell.openPath(dirPath);
+});
+
+ipcMain.handle("file:copyToAppData", (_, srcPath, templateId) => {
+  const dir = path.join(APPDATA_DIR, templateId);
+  fs.mkdirSync(dir, { recursive: true });
+  const dest = path.join(dir, path.basename(srcPath));
+  fs.copyFileSync(srcPath, dest);
+  return dest;
+});
+
+module.exports = { callPython };