Initial commit: MyMidas personal finance tracker

Full-stack self-hosted finance app with FastAPI backend and React frontend.

Features:
- Accounts, transactions, budgets, investments with GBP base currency
- CSV import with auto-detection for 10 UK bank formats
- ML predictions: spending forecast, net worth projection, Monte Carlo
- 7 selectable themes (Obsidian, Arctic, Midnight, Vault, Terminal, Synthwave, Ledger)
- Receipt/document attachments on transactions (JPEG, PNG, WebP, PDF)
- AES-256-GCM field encryption, RS256 JWT, TOTP 2FA, RLS, audit log
- Encrypted nightly backups + key rotation script
- Mobile-responsive layout with bottom nav

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
megaproxy 2026-04-21 11:56:10 +00:00
commit 61a7884ee5
127 changed files with 13323 additions and 0 deletions

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import { useState } from "react";
import { useQuery } from "@tanstack/react-query";
import {
getNetWorthReport,
getIncomeExpenseReport,
getCategoryBreakdown,
getBudgetVsActual,
getSpendingTrends,
} from "@/api/reports";
import { formatCurrency } from "@/utils/currency";
import { cn } from "@/utils/cn";
import {
AreaChart, Area, BarChart, Bar,
PieChart, Pie, Cell, XAxis, YAxis, CartesianGrid,
Tooltip, ResponsiveContainer, Legend
} from "recharts";
import { TrendingUp, TrendingDown, Minus } from "lucide-react";
const TABS = ["Net Worth", "Income vs Expense", "Categories", "Budget vs Actual", "Spending Trends"] as const;
type Tab = typeof TABS[number];
const COLORS = [
"#6366f1", "#22c55e", "#f97316", "#ec4899", "#14b8a6",
"#f59e0b", "#8b5cf6", "#06b6d4", "#84cc16", "#ef4444",
];
function StatCard({ label, value, change, currency }: {
label: string; value: number; change?: number; currency: string;
}) {
const positive = change !== undefined ? change >= 0 : undefined;
return (
<div className="bg-card border border-border rounded-xl p-4">
<p className="text-xs text-muted-foreground mb-1">{label}</p>
<p className="text-xl font-bold tabular-nums">{formatCurrency(value, currency)}</p>
{change !== undefined && (
<div className={cn("flex items-center gap-1 mt-1 text-xs", positive ? "text-success" : "text-destructive")}>
{positive ? <TrendingUp className="w-3 h-3" /> : <TrendingDown className="w-3 h-3" />}
{positive ? "+" : ""}{formatCurrency(change, currency)} (30d)
</div>
)}
</div>
);
}
function NetWorthTab() {
const { data, isLoading } = useQuery({ queryKey: ["report-net-worth"], queryFn: () => getNetWorthReport(12) });
if (isLoading) return <ChartSkeleton />;
if (!data) return null;
return (
<div className="space-y-4">
<div className="grid grid-cols-3 gap-4">
<StatCard label="Net Worth" value={Number(data.current_net_worth)} change={Number(data.change_30d)} currency={data.base_currency} />
<StatCard label="30d Change %" value={Number(data.change_30d_pct)} currency="%" />
<StatCard label="Data Points" value={data.points.length} currency="" />
</div>
{data.points.length === 0 ? (
<EmptyChart message="No snapshots yet — snapshots are taken daily at 2am" />
) : (
<div className="bg-card border border-border rounded-xl p-4">
<p className="text-sm font-medium mb-4">Net Worth Over Time</p>
<ResponsiveContainer width="100%" height={300}>
<AreaChart data={data.points.map(p => ({ ...p, net_worth: Number(p.net_worth), total_assets: Number(p.total_assets), total_liabilities: Number(p.total_liabilities) }))}>
<defs>
<linearGradient id="nwGrad" x1="0" y1="0" x2="0" y2="1">
<stop offset="5%" stopColor="#6366f1" stopOpacity={0.3} />
<stop offset="95%" stopColor="#6366f1" stopOpacity={0} />
</linearGradient>
</defs>
<CartesianGrid strokeDasharray="3 3" stroke="var(--border)" />
<XAxis dataKey="date" tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" />
<YAxis tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" tickFormatter={(v) => `£${(v/1000).toFixed(0)}k`} />
<Tooltip formatter={(v: number) => formatCurrency(v, data.base_currency)} />
<Area type="monotone" dataKey="net_worth" stroke="#6366f1" fill="url(#nwGrad)" strokeWidth={2} name="Net Worth" />
<Area type="monotone" dataKey="total_assets" stroke="#22c55e" fill="none" strokeWidth={1.5} strokeDasharray="4 2" name="Assets" />
<Area type="monotone" dataKey="total_liabilities" stroke="#ef4444" fill="none" strokeWidth={1.5} strokeDasharray="4 2" name="Liabilities" />
</AreaChart>
</ResponsiveContainer>
</div>
)}
</div>
);
}
function IncomeExpenseTab() {
const { data, isLoading } = useQuery({ queryKey: ["report-income-expense"], queryFn: () => getIncomeExpenseReport(12) });
if (isLoading) return <ChartSkeleton />;
if (!data) return null;
const chartData = data.points.map(p => ({ ...p, income: Number(p.income), expenses: Number(p.expenses), net: Number(p.net) }));
return (
<div className="space-y-4">
<div className="grid grid-cols-4 gap-4">
<StatCard label="Total Income" value={Number(data.total_income)} currency={data.currency} />
<StatCard label="Total Expenses" value={Number(data.total_expenses)} currency={data.currency} />
<StatCard label="Avg Monthly Income" value={Number(data.avg_monthly_income)} currency={data.currency} />
<StatCard label="Avg Monthly Expenses" value={Number(data.avg_monthly_expenses)} currency={data.currency} />
</div>
{chartData.length === 0 ? <EmptyChart /> : (
<div className="bg-card border border-border rounded-xl p-4">
<p className="text-sm font-medium mb-4">Monthly Income vs Expenses</p>
<ResponsiveContainer width="100%" height={300}>
<BarChart data={chartData}>
<CartesianGrid strokeDasharray="3 3" stroke="var(--border)" />
<XAxis dataKey="month" tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" />
<YAxis tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" tickFormatter={(v) => `£${(v/1000).toFixed(0)}k`} />
<Tooltip formatter={(v: number) => formatCurrency(v, data.currency)} />
<Legend />
<Bar dataKey="income" fill="#22c55e" name="Income" radius={[2, 2, 0, 0]} />
<Bar dataKey="expenses" fill="#ef4444" name="Expenses" radius={[2, 2, 0, 0]} />
</BarChart>
</ResponsiveContainer>
</div>
)}
</div>
);
}
function CategoriesTab() {
const { data, isLoading } = useQuery({ queryKey: ["report-categories"], queryFn: () => getCategoryBreakdown() });
if (isLoading) return <ChartSkeleton />;
if (!data) return null;
const pieData = data.items.slice(0, 10).map(i => ({ name: i.category_name, value: Number(i.amount) }));
return (
<div className="space-y-4">
<div className="bg-card border border-border rounded-xl p-4">
<p className="text-sm font-medium mb-1">Expense Breakdown This Month</p>
<p className="text-xs text-muted-foreground mb-4">Total: {formatCurrency(Number(data.total), data.currency)}</p>
{pieData.length === 0 ? <EmptyChart /> : (
<div className="flex gap-6 items-start">
<ResponsiveContainer width={220} height={220}>
<PieChart>
<Pie data={pieData} cx="50%" cy="50%" innerRadius={60} outerRadius={90} dataKey="value" paddingAngle={2}>
{pieData.map((_, i) => <Cell key={i} fill={COLORS[i % COLORS.length]} />)}
</Pie>
<Tooltip formatter={(v: number) => formatCurrency(v, data.currency)} />
</PieChart>
</ResponsiveContainer>
<div className="flex-1 space-y-2">
{data.items.slice(0, 10).map((item, i) => (
<div key={i} className="flex items-center gap-2 text-sm">
<div className="w-2.5 h-2.5 rounded-full shrink-0" style={{ background: COLORS[i % COLORS.length] }} />
<span className="flex-1 truncate text-muted-foreground">{item.category_name}</span>
<span className="font-medium tabular-nums">{formatCurrency(Number(item.amount), data.currency)}</span>
<span className="text-xs text-muted-foreground w-10 text-right">{item.percent}%</span>
</div>
))}
</div>
</div>
)}
</div>
</div>
);
}
function BudgetVsActualTab() {
const { data, isLoading } = useQuery({ queryKey: ["report-budget-actual"], queryFn: getBudgetVsActual });
if (isLoading) return <ChartSkeleton />;
if (!data || data.items.length === 0) return <EmptyChart message="No active budgets" />;
const chartData = data.items.map(i => ({
name: i.budget_name,
budgeted: Number(i.budgeted),
actual: Number(i.actual),
}));
return (
<div className="space-y-4">
<div className="grid grid-cols-2 gap-4">
<StatCard label="Total Budgeted" value={Number(data.total_budgeted)} currency={data.currency} />
<StatCard label="Total Actual" value={Number(data.total_actual)} currency={data.currency} />
</div>
<div className="bg-card border border-border rounded-xl p-4">
<p className="text-sm font-medium mb-4">Budget vs Actual Spending</p>
<ResponsiveContainer width="100%" height={300}>
<BarChart data={chartData} layout="vertical">
<CartesianGrid strokeDasharray="3 3" stroke="var(--border)" />
<XAxis type="number" tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" tickFormatter={(v) => `£${v}`} />
<YAxis type="category" dataKey="name" tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" width={120} />
<Tooltip formatter={(v: number) => formatCurrency(v, data.currency)} />
<Legend />
<Bar dataKey="budgeted" fill="#6366f1" name="Budgeted" radius={[0, 2, 2, 0]} />
<Bar dataKey="actual" fill="#f97316" name="Actual" radius={[0, 2, 2, 0]} />
</BarChart>
</ResponsiveContainer>
</div>
</div>
);
}
function SpendingTrendsTab() {
const { data, isLoading } = useQuery({ queryKey: ["report-spending-trends"], queryFn: () => getSpendingTrends(6) });
if (isLoading) return <ChartSkeleton />;
if (!data || data.points.length === 0) return <EmptyChart />;
const months = [...new Set(data.points.map(p => p.month))].sort();
const chartData = months.map(month => {
const row: Record<string, string | number> = { month };
data.categories.forEach(cat => {
const pt = data.points.find(p => p.month === month && p.category_name === cat);
row[cat] = pt ? Number(pt.amount) : 0;
});
return row;
});
return (
<div className="bg-card border border-border rounded-xl p-4">
<p className="text-sm font-medium mb-4">Spending by Category (6 months)</p>
<ResponsiveContainer width="100%" height={320}>
<BarChart data={chartData}>
<CartesianGrid strokeDasharray="3 3" stroke="var(--border)" />
<XAxis dataKey="month" tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" />
<YAxis tick={{ fontSize: 11 }} stroke="var(--muted-foreground)" tickFormatter={(v) => `£${v}`} />
<Tooltip formatter={(v: number) => formatCurrency(v, data.currency)} />
<Legend />
{data.categories.slice(0, 8).map((cat, i) => (
<Bar key={cat} dataKey={cat} stackId="a" fill={COLORS[i % COLORS.length]} />
))}
</BarChart>
</ResponsiveContainer>
</div>
);
}
function ChartSkeleton() {
return (
<div className="space-y-4">
<div className="grid grid-cols-3 gap-4">
{[1, 2, 3].map(i => <div key={i} className="h-20 bg-card border border-border rounded-xl animate-pulse" />)}
</div>
<div className="h-80 bg-card border border-border rounded-xl animate-pulse" />
</div>
);
}
function EmptyChart({ message = "No data for this period" }: { message?: string }) {
return (
<div className="bg-card border border-border rounded-xl py-16 text-center text-muted-foreground">
<Minus className="w-8 h-8 mx-auto mb-2 opacity-30" />
<p>{message}</p>
</div>
);
}
export default function ReportsPage() {
const [activeTab, setActiveTab] = useState<Tab>("Net Worth");
return (
<div className="space-y-6">
<div>
<h1 className="text-2xl font-bold">Reports</h1>
<p className="text-sm text-muted-foreground mt-1">Financial insights and analysis</p>
</div>
<div className="flex gap-1 border-b border-border">
{TABS.map((tab) => (
<button
key={tab}
onClick={() => setActiveTab(tab)}
className={cn(
"px-4 py-2.5 text-sm font-medium border-b-2 transition-colors",
activeTab === tab
? "border-primary text-foreground"
: "border-transparent text-muted-foreground hover:text-foreground"
)}
>
{tab}
</button>
))}
</div>
<div>
{activeTab === "Net Worth" && <NetWorthTab />}
{activeTab === "Income vs Expense" && <IncomeExpenseTab />}
{activeTab === "Categories" && <CategoriesTab />}
{activeTab === "Budget vs Actual" && <BudgetVsActualTab />}
{activeTab === "Spending Trends" && <SpendingTrendsTab />}
</div>
</div>
);
}