news widget

This commit is contained in:
alma 2025-05-04 16:46:25 +02:00
parent f43388c377
commit da34c32527
3 changed files with 381 additions and 2 deletions

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@ -1,7 +1,7 @@
import { getServerSession } from "next-auth/next";
import { authOptions } from "@/app/api/auth/[...nextauth]/route";
import { redirect } from "next/navigation";
import { ObservatoryFrame } from "@/components/observatory/observatory-frame";
import { ObservatoryView } from "@/components/observatory/observatory-view";
export default async function Page() {
const session = await getServerSession(authOptions);
@ -10,5 +10,5 @@ export default async function Page() {
redirect("/signin");
}
return <ObservatoryFrame />;
return <ObservatoryView />;
}

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@ -0,0 +1,145 @@
"use client";
import { useEffect, useRef } from "react";
interface CountryData {
name: string;
count: number;
// In a real implementation, we would have coordinates
x?: number;
y?: number;
}
interface ObservatoryMapProps {
countries: CountryData[];
onCountrySelect: (country: string) => void;
selectedCountry: string | null;
}
export function ObservatoryMap({
countries,
onCountrySelect,
selectedCountry
}: ObservatoryMapProps) {
const canvasRef = useRef<HTMLCanvasElement>(null);
// Draw the map and country markers
useEffect(() => {
const canvas = canvasRef.current;
if (!canvas) return;
const ctx = canvas.getContext('2d');
if (!ctx) return;
// Set canvas dimensions
const updateCanvasDimensions = () => {
const parent = canvas.parentElement;
if (parent) {
canvas.width = parent.clientWidth;
canvas.height = parent.clientHeight;
}
};
updateCanvasDimensions();
window.addEventListener('resize', updateCanvasDimensions);
// Clear canvas
ctx.clearRect(0, 0, canvas.width, canvas.height);
// Draw world map background (simplified)
ctx.fillStyle = '#e0e0e0';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Draw grid lines for better visualization
ctx.strokeStyle = '#ffffff';
ctx.lineWidth = 0.5;
// Horizontal grid lines
for (let y = 0; y < canvas.height; y += 30) {
ctx.beginPath();
ctx.moveTo(0, y);
ctx.lineTo(canvas.width, y);
ctx.stroke();
}
// Vertical grid lines
for (let x = 0; x < canvas.width; x += 30) {
ctx.beginPath();
ctx.moveTo(x, 0);
ctx.lineTo(x, canvas.height);
ctx.stroke();
}
// Draw country markers (in random positions)
countries.forEach((country, index) => {
// Generate random positions (in a real app, we would use actual coordinates)
const x = (index * 50 + 100) % (canvas.width - 50);
const y = 50 + Math.floor(index / 5) * 50;
// Draw marker
ctx.beginPath();
ctx.arc(x, y, country.count > 5 ? 10 : (country.count > 2 ? 7 : 5), 0, Math.PI * 2);
// Highlight selected country
if (selectedCountry === country.name) {
ctx.fillStyle = '#3b82f6';
} else {
ctx.fillStyle = '#ef4444';
}
ctx.fill();
// Draw country name
ctx.fillStyle = '#000000';
ctx.font = '12px Arial';
ctx.fillText(country.name, x + 12, y + 4);
// Store coordinates for click detection
country.x = x;
country.y = y;
});
// Handle click events
const handleClick = (e: MouseEvent) => {
const rect = canvas.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
// Check if a country marker was clicked
for (const country of countries) {
if (country.x && country.y) {
const distance = Math.sqrt(
Math.pow(x - country.x, 2) + Math.pow(y - country.y, 2)
);
if (distance <= 10) {
onCountrySelect(country.name);
break;
}
}
}
};
canvas.addEventListener('click', handleClick);
// Cleanup
return () => {
window.removeEventListener('resize', updateCanvasDimensions);
canvas.removeEventListener('click', handleClick);
};
}, [countries, selectedCountry, onCountrySelect]);
return (
<div className="w-full h-full bg-gray-100 rounded-lg relative">
<canvas
ref={canvasRef}
className="w-full h-full rounded-lg"
/>
{countries.length === 0 && (
<div className="absolute inset-0 flex items-center justify-center">
<p className="text-gray-500">No countries detected in the news</p>
</div>
)}
</div>
);
}

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@ -0,0 +1,234 @@
"use client";
import { useEffect, useState } from "react";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { RefreshCw, Globe } from "lucide-react";
import { Button } from "@/components/ui/button";
import { ObservatoryMap } from "./observatory-map";
// News item interface matching the API response
interface NewsItem {
id: number;
title: string;
displayDate: string;
timestamp: string;
source: string;
description: string | null;
category: string | null;
url: string;
}
export function ObservatoryView() {
const [news, setNews] = useState<NewsItem[]>([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const [selectedCountry, setSelectedCountry] = useState<string | null>(null);
// Fetch news data
const fetchNews = async () => {
setLoading(true);
try {
const response = await fetch('/api/news?limit=50');
if (!response.ok) {
throw new Error('Failed to fetch news');
}
const data = await response.json();
setNews(data);
setError(null);
} catch (err) {
setError('Failed to fetch news');
console.error('Error fetching news:', err);
} finally {
setLoading(false);
}
};
// Fetch news on component mount
useEffect(() => {
fetchNews();
}, []);
// Extract countries from news data (simplified version)
const extractCountries = (newsItems: NewsItem[]) => {
// This is a simplified implementation
// In a real app, we would use NLP or a more sophisticated technique
const countries = [
'France', 'USA', 'Canada', 'UK', 'Germany', 'Japan', 'China',
'India', 'Brazil', 'Australia', 'Russia', 'Italy', 'Spain'
];
const result: Record<string, NewsItem[]> = {};
newsItems.forEach(item => {
countries.forEach(country => {
if (
(item.title && item.title.includes(country)) ||
(item.description && item.description.includes(country))
) {
if (!result[country]) {
result[country] = [];
}
result[country].push(item);
}
});
});
return result;
};
// Handle country selection on the map
const handleCountrySelect = (country: string) => {
setSelectedCountry(selectedCountry === country ? null : country);
};
// Get news filtered by selected country
const getFilteredNews = () => {
if (!selectedCountry) return news;
const countriesMap = extractCountries(news);
return countriesMap[selectedCountry] || [];
};
// Loading state
if (loading) {
return (
<div className="w-full h-[calc(100vh-8rem)] flex items-center justify-center">
<RefreshCw className="h-10 w-10 animate-spin text-gray-400" />
</div>
);
}
// Error state
if (error) {
return (
<div className="w-full h-[calc(100vh-8rem)] flex flex-col items-center justify-center">
<p className="text-red-500 mb-4">{error}</p>
<Button onClick={fetchNews}>Retry</Button>
</div>
);
}
const filteredNews = getFilteredNews();
const countriesMap = extractCountries(news);
const countries = Object.keys(countriesMap);
return (
<div className="container mx-auto px-4 py-8">
<div className="flex flex-col space-y-6">
<Card className="bg-white/95 backdrop-blur-sm border-0 shadow-lg">
<CardHeader className="pb-2 border-b border-gray-100">
<div className="flex justify-between items-center">
<CardTitle className="text-2xl font-semibold text-gray-800 flex items-center gap-2">
<Globe className="h-6 w-6 text-gray-600" />
News Observatory
</CardTitle>
<Button
variant="ghost"
size="sm"
onClick={fetchNews}
className="h-8 px-2 rounded-full"
>
<RefreshCw className="h-4 w-4 mr-2" />
Refresh
</Button>
</div>
</CardHeader>
</Card>
<div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
{/* News Feed Section */}
<div className="lg:col-span-2">
<Card className="bg-white/95 backdrop-blur-sm border-0 shadow-lg h-full">
<CardHeader className="pb-2 border-b border-gray-100">
<CardTitle className="text-lg font-semibold text-gray-800">
{selectedCountry ? `News about ${selectedCountry}` : 'Latest News'}
<span className="text-sm font-normal ml-2 text-gray-500">
({filteredNews.length} articles)
</span>
</CardTitle>
</CardHeader>
<CardContent className="p-4">
<div className="space-y-4 max-h-[calc(100vh-20rem)] overflow-y-auto pr-2">
{filteredNews.length === 0 ? (
<p className="text-gray-500 text-center py-10">No news available</p>
) : (
filteredNews.map(item => (
<div
key={item.id}
className="p-4 rounded-lg bg-white shadow-sm hover:shadow-md transition-all duration-200"
onClick={() => window.open(item.url, '_blank')}
>
<div className="flex flex-col gap-1">
<div className="flex items-center justify-between text-xs">
<span className="text-gray-500">{item.displayDate}</span>
<span className="text-gray-500">{item.source}</span>
</div>
<h3 className="text-md font-medium text-gray-800" title={item.title}>
{item.title}
</h3>
<p className="text-sm text-gray-600 mt-1">
{item.description}
</p>
</div>
</div>
))
)}
</div>
</CardContent>
</Card>
</div>
{/* Map Section */}
<div className="lg:col-span-1">
<Card className="bg-white/95 backdrop-blur-sm border-0 shadow-lg h-full">
<CardHeader className="pb-2 border-b border-gray-100">
<CardTitle className="text-lg font-semibold text-gray-800">
World Map
</CardTitle>
</CardHeader>
<CardContent className="p-4">
{/* Map Placeholder */}
<div
className="bg-gray-100 rounded-lg h-[300px] mb-4"
>
<ObservatoryMap
countries={Object.entries(countriesMap).map(([name, items]) => ({
name,
count: items.length
}))}
onCountrySelect={handleCountrySelect}
selectedCountry={selectedCountry}
/>
</div>
{/* Countries List */}
<div className="mt-4">
<h4 className="text-md font-medium mb-2">Mentioned Countries:</h4>
{countries.length === 0 ? (
<p className="text-gray-500">No countries detected</p>
) : (
<div className="flex flex-wrap gap-2">
{countries.map(country => (
<Button
key={country}
variant={selectedCountry === country ? "default" : "outline"}
size="sm"
onClick={() => handleCountrySelect(country)}
className="text-xs"
>
{country} ({countriesMap[country].length})
</Button>
))}
</div>
)}
</div>
</CardContent>
</Card>
</div>
</div>
</div>
</div>
);
}