first commit

server/src/helpers/getHeader.ts

@@ -0,0 +1,27 @@
+import fs from "fs";
+import path from "path";
+
+export default function getHeader(
+    companyId: string,
+    header: string | null | undefined,
+    fallback: string
+): string {
+    const rootPath = process.env.PUBLIC_HEADER_URL;
+    if (companyId == null) return fallback;
+    if (header == undefined || header == null || header === "") return fallback;
+
+    const rootDir =
+        process.env.NODE_ENV !== "production"
+            ? process.env.GET_HEADER_COMPANIES_FILES_ROOT_DEV
+            : process.env.GET_HEADER_COMPANIES_FILES_ROOT_PRO;
+
+    const uploadPath = path.join(__dirname, rootDir + companyId);
+
+    const filePath = path.join(uploadPath, header);
+
+    if (!fs.existsSync(filePath)) {
+        return fallback;
+    }
+
+    return header ? rootPath + companyId + "/" + header : "";
+}