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import * as React from 'react';
import { useState, useEffect, useCallback } from 'react';
import Box from '@mui/material/Box';
import Card from '@mui/material/Card';
import CardContent from '@mui/material/CardContent';
import Typography from '@mui/material/Typography';
import './Sources.css';
// Helper function to extract a friendly domain name from a URL.
const getDomainName = (url) => {
try {
const hostname = new URL(url).hostname;
// Remove "www." if present.
const domain = hostname.startsWith('www.') ? hostname.slice(4) : hostname;
// Return the first part in title case.
const parts = domain.split('.');
return parts[0].charAt(0).toUpperCase() + parts[0].slice(1);
} catch (err) {
return url;
}
};
export default function Sources({ sources, handleSourceClick }) {
// "sources" prop is the payload passed from the parent.
const [fetchedSources, setFetchedSources] = useState([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState(null);
const fetchSources = useCallback(async () => {
setLoading(true);
setError(null);
const startTime = Date.now(); // record start time
try {
// Use sources.payload if it exists.
const bodyData = sources && sources.payload ? sources.payload : sources;
const res = await fetch("/action/sources", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify(bodyData)
});
const data = await res.json();
// Backend returns {"result": [...]}
setFetchedSources(data.result);
} catch (err) {
console.error("Error fetching sources:", err);
setError("Error fetching sources.");
}
const elapsed = Date.now() - startTime;
// Ensure that the loading state lasts at least 1 second.
if (elapsed < 500) {
setTimeout(() => {
setLoading(false);
}, 500 - elapsed);
} else {
setLoading(false);
}
}, [sources]);
useEffect(() => {
if (sources) {
fetchSources();
}
}, [sources, fetchSources]);
if (loading) {
return (
<Box className="sources-container">
<Typography className="loading-sources" variant="body2">Loading Sources...</Typography>
</Box>
);
}
if (error) {
return (
<Box className="sources-container">
<Typography variant="body2" color="error">{error}</Typography>
</Box>
);
}
return (
<Box className="sources-container">
{fetchedSources.map((source, index) => {
const domain = getDomainName(source.link);
let hostname = '';
try {
hostname = new URL(source.link).hostname;
} catch (err) {
hostname = source.link;
}
return (
<Card
key={index}
variant="outlined"
className="source-card"
onClick={() => handleSourceClick(source)}
>
<CardContent>
{/* Header/Title */}
<Typography variant="h6" component="div" className="source-title">
{source.title}
</Typography>
{/* Link info: icon, domain, bullet, serial number */}
<Typography variant="body2" className="source-link">
<img
src={`https://www.google.com/s2/favicons?domain=${hostname}`}
alt={domain}
className="source-icon"
/>
<span className="source-domain">{domain}</span>
<span className="separator"> • </span>
<span className="source-serial">{index + 1}</span>
</Typography>
{/* Description */}
<Typography variant="body2" className="source-description">
{source.description}
</Typography>
</CardContent>
</Card>
);
})}
</Box>
);
} |