Refactor PPC to pull out reusable componenets.

src/main/util/ems-util.ts

@@ -0,0 +1,36 @@
+import path from "path";
+import store from "../store/store";
+import fs from "fs";
+
+const generatePpcFilePath = (filename: string): string => {
+  const ppcOutFilePath: string | null = store.get("settings.ppcFilePath");
+  if (!ppcOutFilePath) {
+    throw new Error("PPC file path is not set");
+  }
+  return path.resolve(ppcOutFilePath, filename);
+};
+
+const generateEmsOutFilePath = (filename: string): string => {
+  const emsOutFilePath: string | null = store.get("settings.emsOutFilePath");
+  if (!emsOutFilePath) {
+    throw new Error("EMS Out file path is not set");
+  }
+  return path.resolve(emsOutFilePath, filename);
+};
+
+const deleteEmsFileIfExists = async (filename: string): Promise<void> => {
+  // Check if the file exists and delete it if it does
+  try {
+    await fs.promises.access(filename); // Check if the file exists
+    await fs.promises.unlink(filename); // Delete the file
+    console.log(`Existing file at ${filename} deleted.`);
+  } catch (err) {
+    if ((err as NodeJS.ErrnoException).code !== "ENOENT") {
+      // If the error is not "file not found", rethrow it
+      throw err;
+    }
+    console.log(`No existing file found at ${filename}.`);
+  }
+};
+
+export { generatePpcFilePath, generateEmsOutFilePath, deleteEmsFileIfExists };