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import { FILE_TYPE } from './../enums/FILE_TYPE.enum';
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import { Injectable } from '@angular/core';
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@Injectable({
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providedIn: 'root'
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})
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export class UtilsService {
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constructor() { }
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public base64ToFile(base64Data: string, contentType: FILE_TYPE): Blob {
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const byteString = window.atob(base64Data);
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const arrayBuffer = new ArrayBuffer(byteString.length);
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const int8Array = new Uint8Array(arrayBuffer);
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for (let i = 0; i < byteString.length; i++) {
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int8Array[i] = byteString.charCodeAt(i);
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}
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const blob = new Blob([int8Array], { type: this.convertContentType(contentType) });
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return blob;
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}
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public convertContentType(type: FILE_TYPE): string {
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switch (type) {
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case FILE_TYPE.DOC:
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return 'application/msword';
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case FILE_TYPE.DOCX:
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return 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
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case FILE_TYPE.PDF:
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return 'application/pdf';
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case FILE_TYPE.PNG:
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return 'image/png';
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case FILE_TYPE.XLS:
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return 'application/vnd.ms-excel';
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case FILE_TYPE.XLSX:
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return 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
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}
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}
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}
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