84 lines
2.4 KiB
TypeScript
84 lines
2.4 KiB
TypeScript
/**
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* Service for URL-related operations like extracting titles from web pages
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*/
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import { handleAuthResponse } from './authUtils';
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import { getApiPath } from '../config/paths';
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export interface UrlTitleResult {
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url: string;
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title: string | null;
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image?: string | null;
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description?: string | null;
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found?: boolean;
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error?: string;
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}
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/**
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* Extract the title of a web page from its URL
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* @param url The URL to extract the title from
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* @returns Promise resolving to the page title or null if not found
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*/
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export const extractUrlTitle = async (url: string): Promise<UrlTitleResult> => {
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try {
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const response = await fetch(
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getApiPath(`url/title?url=${encodeURIComponent(url)}`),
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{
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credentials: 'include',
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headers: {
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Accept: 'application/json',
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},
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}
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);
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await handleAuthResponse(response, 'Failed to extract URL title');
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return await response.json();
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} catch (error) {
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console.error('Error extracting URL title:', error);
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return { url, title: null, error: (error as Error).message };
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}
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};
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/**
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* Extract a URL and its title from arbitrary text
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* @param text The text that might contain a URL
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* @returns Promise resolving to the URL and title if found
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*/
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export const extractTitleFromText = async (
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text: string
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): Promise<UrlTitleResult | null> => {
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try {
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const response = await fetch(getApiPath('url/extract-from-text'), {
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method: 'POST',
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credentials: 'include',
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headers: {
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'Content-Type': 'application/json',
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Accept: 'application/json',
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},
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body: JSON.stringify({ text }),
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});
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await handleAuthResponse(response, 'Failed to extract title from text');
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const result = await response.json();
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if (result.found === false) {
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return null;
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}
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return result;
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} catch (error) {
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console.error('Error extracting title from text:', error);
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return null;
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}
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};
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/**
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* Check if a string is likely a URL
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* @param text The text to check
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* @returns True if the text appears to be a URL
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*/
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export const isUrl = (text: string): boolean => {
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// Basic URL validation regex
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const urlRegex =
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/^(https?:\/\/)?[a-z0-9]+([-.]?[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/i;
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return urlRegex.test(text.trim());
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};
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