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)
+    }
+  }
+
+}

src/app/ui/chat/modal/messages/messages.page.ts

@@ -55,6 +55,7 @@ import { LastMessage } from '../../utils/lastMessage';
 import { File } from '@awesome-cordova-plugins/file/ngx';
 import { Filesystem, Directory } from '@capacitor/filesystem';
 import { FileOpener } from '@awesome-cordova-plugins/file-opener/ngx';
+import { FileSystemMobileService } from 'src/app/infra/file-system/mobile/file-system-mobile.service';
 
 
 const IMAGE_DIR = 'stored-images';
@@ -172,6 +173,7 @@ export class MessagesPage implements OnInit, AfterViewInit, OnDestroy {
     private messageLocalDataSourceService: MessageLocalDataSourceService,
     private file: File,
     private fileOpener: FileOpener,
+    private fileSystemMobileService: FileSystemMobileService
   ) {
 
 
@@ -1385,15 +1387,11 @@ export class MessagesPage implements OnInit, AfterViewInit, OnDestroy {
     }
     console.log(pathFile)
     console.log(contentFile)
-    this.file
-      .writeFile(pathFile, fileName, contentFile, { replace: true })
-      .then(success => {
-        this.fileOpener
-          .open(pathFile + fileName, fileType)
-          .then(() => console.log('File is opened'))
-          .catch(e => console.log('Error opening file', e));
-      })
-      .catch(e => console.log('Error writing file', e))
+    const writeResult = await this.fileSystemMobileService.writeFile(pathFile, fileName, contentFile, { replace: true })
+
+    if(writeResult.isOk()) {
+      const openResult = await this.fileSystemMobileService.fileOpener(pathFile + fileName, fileType)
+    }
   }
 
   removeTextBeforeSlash(inputString, controlString) {