feat(frontend): add React dashboard with TypeScript

Add modern React frontend to replace Streamlit dashboard:
- Vite build system with TypeScript
- Tailwind CSS for styling
- Component structure in src/
- Production Dockerfile with nginx
- Development server on port 5173

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2026-03-14 13:40:52 -04:00
parent 9c98b948d3
commit cb7d7121c5
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import { useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import { analyticsApi } from '../api/client';
import { AlertCircle, Database } from 'lucide-react';
import { PieChart, Pie, Cell, BarChart, Bar, XAxis, YAxis, Tooltip, ResponsiveContainer, Legend } from 'recharts';
const COLORS = ['#6366f1', '#0ea5e9', '#10b981', '#f59e0b', '#ef4444', '#8b5cf6', '#ec4899', '#14b8a6'];
export function AnalyticsPage() {
const [days, setDays] = useState(30);
const { data, isLoading, isError } = useQuery({
queryKey: ['analytics', days],
queryFn: () => analyticsApi.getAnalytics(days),
});
if (isLoading) {
return (
<div className="flex items-center justify-center min-h-[400px]">
<div className="animate-spin rounded-full h-12 w-12 border-t-2 border-b-2 border-primary"></div>
</div>
);
}
if (isError) {
return (
<div className="space-y-6">
<div>
<h2 className="text-xl font-semibold text-text-primary border-b-2 border-primary/30 pb-2 mb-2">
Analytics Dashboard
</h2>
</div>
<div className="bg-gradient-to-br from-primary/10 to-secondary/5 border border-primary/20 rounded-xl p-6">
<div className="flex items-center gap-3 text-warning mb-2">
<Database size={24} />
<span className="font-semibold">Database Not Connected</span>
</div>
<p className="text-text-secondary">
Set <code className="bg-bg-card px-2 py-1 rounded">USE_DATABASE=true</code> in your .env file to enable analytics tracking.
</p>
</div>
<div className="flex items-center gap-2 bg-secondary/10 border border-secondary/20 text-secondary rounded-xl px-4 py-3">
<AlertCircle size={18} />
<span>Analytics features require storing analysis results in PostgreSQL for historical tracking.</span>
</div>
</div>
);
}
if (!data || (data.total_messages === 0 && data.by_company.length === 0)) {
return (
<div className="space-y-6">
<div>
<h2 className="text-xl font-semibold text-text-primary border-b-2 border-primary/30 pb-2 mb-2">
Analytics Dashboard
</h2>
<p className="text-text-secondary">Track historical analysis data and view insights.</p>
</div>
<div className="flex items-center gap-2 bg-secondary/10 border border-secondary/20 text-secondary rounded-xl px-4 py-3">
<AlertCircle size={18} />
<span>No analytics data available yet. Run some analyses first!</span>
</div>
</div>
);
}
const companyData = data.by_company.map((c) => ({
name: (c.company_name || 'Unknown').toUpperCase(),
value: c.count,
}));
const typeData = data.by_type.map((t) => ({
name: t.analysis_type || 'Unknown',
count: t.count,
}));
return (
<div className="space-y-6">
{/* Header */}
<div className="flex flex-wrap items-center justify-between gap-4">
<div>
<h2 className="text-xl font-semibold text-text-primary border-b-2 border-primary/30 pb-2 mb-2">
Analytics Dashboard
</h2>
<p className="text-text-secondary">Track historical analysis data and view insights.</p>
</div>
{/* Time Range Selector */}
<select
value={days}
onChange={(e) => setDays(Number(e.target.value))}
className="bg-bg-card/80 border border-primary/30 rounded-xl px-4 py-2 text-text-primary focus:outline-none focus:border-primary"
>
<option value={7}>Last 7 days</option>
<option value={14}>Last 14 days</option>
<option value={30}>Last 30 days</option>
<option value={90}>Last 90 days</option>
</select>
</div>
{/* Summary Metrics */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
<MetricCard label="Total Analyses" value={data.total_messages} />
<MetricCard label="Companies Analyzed" value={data.by_company.length} />
<MetricCard label="Analysis Types" value={data.by_type.length} />
</div>
{/* Charts */}
<div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
{/* Pie Chart - Distribution by Company */}
{companyData.length > 0 && (
<div className="bg-bg-card/60 border border-primary/15 rounded-2xl p-6">
<h3 className="text-lg font-semibold text-text-primary mb-4">Distribution by Company</h3>
<ResponsiveContainer width="100%" height={300}>
<PieChart>
<Pie
data={companyData}
cx="50%"
cy="50%"
innerRadius={60}
outerRadius={100}
paddingAngle={2}
dataKey="value"
label={({ name, percent }) => `${name} ${(percent * 100).toFixed(0)}%`}
labelLine={false}
>
{companyData.map((_, index) => (
<Cell key={`cell-${index}`} fill={COLORS[index % COLORS.length]} />
))}
</Pie>
<Tooltip
contentStyle={{
backgroundColor: '#1e293b',
border: '1px solid rgba(99, 102, 241, 0.3)',
borderRadius: '8px',
}}
/>
<Legend />
</PieChart>
</ResponsiveContainer>
</div>
)}
{/* Bar Chart - Analysis Types */}
{typeData.length > 0 && (
<div className="bg-bg-card/60 border border-primary/15 rounded-2xl p-6">
<h3 className="text-lg font-semibold text-text-primary mb-4">Analysis Types</h3>
<ResponsiveContainer width="100%" height={300}>
<BarChart data={typeData}>
<XAxis dataKey="name" stroke="#94a3b8" fontSize={12} />
<YAxis stroke="#94a3b8" fontSize={12} />
<Tooltip
contentStyle={{
backgroundColor: '#1e293b',
border: '1px solid rgba(99, 102, 241, 0.3)',
borderRadius: '8px',
}}
labelStyle={{ color: '#f8fafc' }}
/>
<Bar dataKey="count" fill="#6366f1" radius={[4, 4, 0, 0]} />
</BarChart>
</ResponsiveContainer>
</div>
)}
</div>
</div>
);
}
function MetricCard({ label, value }: { label: string; value: number }) {
return (
<div className="bg-gradient-to-br from-primary/10 to-secondary/10 border border-primary/20 rounded-xl p-5 text-center">
<div className="text-3xl font-bold bg-gradient-to-r from-primary to-secondary bg-clip-text text-transparent">
{value}
</div>
<div className="text-sm text-text-secondary uppercase tracking-wide mt-1">{label}</div>
</div>
);
}