Files
panel/src/app/dashboard/page.js

134 lines
4.0 KiB
JavaScript

"use client";
import { useState, useEffect } from "react";
import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, Legend, ResponsiveContainer, BarChart, Bar, ComposedChart } from 'recharts';
export default function TeamLeadsDashboard() {
const [chartData, setChartData] = useState([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState(null);
useEffect(() => {
fetchDashboardData();
}, []);
const fetchDashboardData = async () => {
try {
const response = await fetch('/api/dashboard');
if (!response.ok) {
throw new Error('Failed to fetch dashboard data');
}
const data = await response.json();
setChartData(data);
} catch (err) {
setError(err.message);
} finally {
setLoading(false);
}
};
const formatCurrency = (value) => {
return new Intl.NumberFormat('pl-PL', {
style: 'currency',
currency: 'PLN',
minimumFractionDigits: 0,
maximumFractionDigits: 0
}).format(value);
};
const CustomTooltip = ({ active, payload, label }) => {
if (active && payload && payload.length) {
// Find the monthly and cumulative values
const monthlyData = payload.find(p => p.dataKey === 'value');
const cumulativeData = payload.find(p => p.dataKey === 'cumulative');
return (
<div className="bg-white dark:bg-gray-800 p-3 border border-gray-200 dark:border-gray-700 rounded-lg shadow-lg">
<p className="font-medium text-gray-900 dark:text-white">{`Month: ${label}`}</p>
<p className="text-blue-600 dark:text-blue-400 font-semibold">
{`Monthly Value: ${monthlyData ? formatCurrency(monthlyData.value) : 'N/A'}`}
</p>
<p className="text-green-600 dark:text-green-400 text-sm">
{`Cumulative: ${cumulativeData ? formatCurrency(cumulativeData.value) : 'N/A'}`}
</p>
</div>
);
}
return null;
};
return (
<div className="container mx-auto px-4 py-8">
<h1 className="text-3xl font-bold text-gray-900 dark:text-white mb-8">
Dashboard
</h1>
<div className="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
<h2 className="text-xl font-semibold text-gray-900 dark:text-white mb-6">
Project Completion Value Over Time
</h2>
{loading ? (
<div className="flex items-center justify-center h-64">
<div className="text-gray-500 dark:text-gray-400">Loading chart data...</div>
</div>
) : error ? (
<div className="flex items-center justify-center h-64">
<div className="text-red-500 dark:text-red-400">Error: {error}</div>
</div>
) : chartData.length === 0 ? (
<div className="flex items-center justify-center h-64">
<div className="text-gray-500 dark:text-gray-400">No completed projects data available</div>
</div>
) : (
<div className="h-96">
<ResponsiveContainer width="100%" height="100%">
<ComposedChart
data={chartData}
margin={{
top: 20,
right: 30,
left: 20,
bottom: 5,
}}
>
<CartesianGrid strokeDasharray="3 3" className="opacity-30" />
<XAxis
dataKey="month"
className="text-gray-600 dark:text-gray-400"
fontSize={12}
/>
<YAxis
className="text-gray-600 dark:text-gray-400"
fontSize={12}
tickFormatter={(value) => `${(value / 1000).toFixed(0)}k`}
/>
<Tooltip content={<CustomTooltip />} />
<Legend />
<Bar
dataKey="value"
fill="#3b82f6"
name="Monthly Value"
radius={[4, 4, 0, 0]}
/>
<Line
type="monotone"
dataKey="cumulative"
stroke="#10b981"
strokeWidth={3}
name="Cumulative Value"
dot={{ fill: '#10b981', strokeWidth: 2, r: 4 }}
activeDot={{ r: 6, stroke: '#10b981', strokeWidth: 2 }}
/>
</ComposedChart>
</ResponsiveContainer>
</div>
)}
<div className="mt-4 text-sm text-gray-600 dark:text-gray-400">
<p>This chart shows the cumulative value of completed projects over time, with monthly additions.</p>
</div>
</div>
</div>
);
}