Save image

projects/common/src/fm/services/image.service.ts

@@ -0,0 +1,44 @@
+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs';
+import { IUser } from '../models/user';
+import { HttpClient,HttpHeaders } from "@angular/common/http";
+import { AppConfig } from "../shared/app.config";
+
+@Injectable({
+  providedIn: 'root',
+})
+export class ImageService {
+  constructor(public httpClient: HttpClient, public appConfig: AppConfig) {
+  }
+
+  ApiEndpoint() {
+    return this.appConfig.getConfig("apiEndPoint");
+  }
+
+  putImage(endpoint:string,blob:Blob) {
+    const formData = new FormData();
+    formData.append('file', blob,blob.type);
+    return this.httpClient.put<any>(endpoint,formData);    
+  }
+
+  b64toBlob(b64Data:string, contentType?:string):Blob  {
+    const sliceSize = 512;
+    const byteCharacters = atob(b64Data);
+    const byteArrays = [];
+  
+    for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) {
+      const slice = byteCharacters.slice(offset, offset + sliceSize);
+  
+      const byteNumbers = new Array(slice.length);
+      for (let i = 0; i < slice.length; i++) {
+        byteNumbers[i] = slice.charCodeAt(i);
+      }
+  
+      const byteArray = new Uint8Array(byteNumbers);
+      byteArrays.push(byteArray);
+    }
+  
+    const blob = new Blob(byteArrays, {type: contentType});
+    return blob;
+  }
+}