G4E-9715 Storing files with hash suffix to prevent issues with files case insensitive naming on windows

Author: mitk0936

src/layouts/layouts.service.ts

@@ -2,6 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { promisify } from "util";
 import { readdir, readFile, writeFile, unlink, existsSync } from "fs";
 import { join } from "path";
+import { createHash } from "crypto";
 import * as json5 from "json5";
 import { SaveLayoutRequestDto } from './dto/save-layout-request.dto';
 import { LayoutDto } from './dto/layout.dto';
@@ -21,7 +22,7 @@ const unlinkFilePromisified = promisify(unlink);
 export class FileBasedLayoutsService {
 
 
-  private layoutsFolder = process.env.LAYOUTS_FOLDER || "./configuration/layouts";
+  private layoutsFolder = process.env.LAYOUTS_FOLDER || "./configuration/layouts";
   private defaultLayoutType = "default";
 
   async getAll(): Promise<LayoutDto[]> {
@@ -83,15 +84,17 @@ export class FileBasedLayoutsService {
       console.error("Error deleting old layout file:", error);
     }
 
-    layout.name = newName;
-    await this.saveLayout(layout);
-  }
+    layout.name = newName;
+    await this.saveLayout(layout);
+  }
 
   getLayoutPath(layout: LayoutDto): string {
     return join(this.layoutsFolder, this.getLayoutName(layout));
   }
 
   getLayoutName(layout: LayoutDto): string {
-    return `${layout.type}-${layout.name}.json`;
+    // Hash is appended to avoid conflicts due to NTFS case-insensitive file naming on Windows.
+    const hash = createHash("sha256").update(layout.name).digest("hex").slice(0, 8);
+    return `${layout.type}-${layout.name}_${hash}.json`;
   }
 }