open file improve

src/app/infra/file-system/mobile/file-system-mobile.service.ts

@@ -0,0 +1,47 @@
+import { Injectable } from '@angular/core';
+import { File, IWriteOptions } from '@awesome-cordova-plugins/file/ngx';
+import { err, ok, Result } from 'neverthrow';
+import { FileOpener } from '@awesome-cordova-plugins/file-opener/ngx';
+
+
+@Injectable({
+  providedIn: 'root'
+})
+export class FileSystemMobileService {
+
+  constructor(
+    private file: File,
+    private FileOpener: FileOpener,
+  ) { }
+
+    /**
+     * Write a new file to the desired location.
+     *
+     * @param {string} path Base FileSystem. Please refer to the iOS and Android filesystem above
+     * @param {string} fileName path relative to base path
+     * @param {string | Blob | ArrayBuffer} text content, blob or ArrayBuffer to write
+     * @param {IWriteOptions} whether to replace/append to an existing file. See IWriteOptions for more information.
+     * @param options
+     * @returns {Promise<any>} Returns a Promise that resolves to updated file entry or rejects with an error.
+     */
+  async writeFile(path: string, fileName: string, context: string | Blob | ArrayBuffer, options?: IWriteOptions): Promise<Result<any, any>> {
+    try {
+      const result = await this.file.writeFile(path, fileName, context, { replace: true })
+      return ok(result)
+    } catch (e) {
+      console.log('Error writing file', e)
+      return err(e)
+    }
+  }
+
+  async fileOpener(filePath: string, mimetype: string) {
+    try {
+      const result = this.FileOpener.open(filePath, mimetype)
+      return ok(result)
+    } catch (e) {
+      console.error('Error opening file', e)
+      return err(e)
+    }
+  }
+
+}