Developer
0a9588abb7
- Add pagination support to findAll (page, limit query params) - Add findByTemplateId method to service - Add GET /by-template/:templateId endpoint to controller - Service already includes CRUD for QuestionBank and QuestionBankItem
41 lines
1.2 KiB
TypeScript
41 lines
1.2 KiB
TypeScript
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import { RawFile } from '../types';
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export const readFile = (file: File): Promise<RawFile> => {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = () => {
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const base64String = reader.result as string;
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// Remove data URL prefix (e.g., "data:image/png;base64,") to get raw base64
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const base64Content = base64String.split(',')[1];
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resolve({
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name: file.name,
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type: file.type,
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size: file.size,
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content: base64Content,
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preview: file.type.startsWith('image/') ? base64String : undefined,
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file: file,
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});
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};
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reader.onerror = () => {
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// Rejection returns the file name to allow the UI to construct a localized message
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reject(file.name);
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};
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// Read as Data URL to easily get Base64
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reader.readAsDataURL(file);
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});
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};
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export const formatBytes = (bytes: number, decimals = 2) => {
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if (!+bytes) return '0 B';
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const k = 1024;
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const dm = decimals < 0 ? 0 : decimals;
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const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return `${parseFloat((bytes / Math.pow(k, i)).toFixed(dm))} ${sizes[i]}`;
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};
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