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uis-cloud-computing/7project/frontend/src/pages/Dashboard.tsx

545 lines
22 KiB
TypeScript

import { useEffect, useMemo, useState } from 'react';
import { type Category, type Transaction, type BalancePoint, deleteTransaction, getCategories, getTransactions, createTransaction, updateTransaction, getBalanceSeries } from '../api';
import AccountPage from './AccountPage';
import AppearancePage from './AppearancePage';
import BalanceChart from './BalanceChart';
import ManualManagement from './ManualManagement';
import CategoryPieChart from './CategoryPieChart';
import MockBankModal, { type MockGenerationOptions } from './MockBankModal';
import { BACKEND_URL } from '../config';
function formatAmount(n: number) {
return new Intl.NumberFormat(undefined, { minimumFractionDigits: 2, maximumFractionDigits: 2 }).format(n);
}
// Add this new component to your Dashboard.tsx file, above the Dashboard component
// Define the structure for the rate data we care about
type CnbRate = {
currencyCode: string;
rate: number;
};
// The part of the API response structure we need
type CnbApiResponse = {
rates: Array<{
amount: number;
currencyCode: string;
rate: number;
}>;
};
// The currencies you want to display
const TARGET_CURRENCIES = ['EUR', 'USD', 'NOK'];
function CurrencyRates() {
const [rates, setRates] = useState<CnbRate[]>([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
useEffect(() => {
async function fetchRates() {
setLoading(true);
setError(null);
// Get today's date in YYYY-MM-DD format for the API
const today = new Date().toISOString().split('T')[0];
const CNB_API_URL = `https://api.cnb.cz/cnbapi/exrates/daily?date=${today}&lang=EN`;
try {
const res = await fetch(CNB_API_URL);
if (!res.ok) {
// This can happen on weekends/holidays or if rates aren't posted yet
throw new Error(`Rates unavailable (Status: ${res.status})`);
}
const data: CnbApiResponse = await res.json();
if (!data.rates) {
throw new Error("Invalid API response");
}
const filteredRates = data.rates
.filter(rate => TARGET_CURRENCIES.includes(rate.currencyCode))
.map(rate => ({
currencyCode: rate.currencyCode,
// Handle 'amount' field (e.g., JPY is per 100)
rate: rate.rate / rate.amount
}));
setRates(filteredRates);
} catch (err: any) {
setError(err.message || 'Could not load rates');
} finally {
setLoading(false);
}
}
fetchRates();
}, []); // Runs once on component mount
return (
// This component will push itself to the bottom of the sidebar
<div
className="currency-rates"
style={{
padding: '0 1.5rem',
marginTop: 'auto', // Pushes to bottom
paddingBottom: '1.5rem' // Adds some spacing at the end
}}
>
<h4 style={{
margin: '1.5rem 0 0.75rem 0',
color: '#8a91b4', // Muted color to match dark sidebar
fontWeight: 500,
fontSize: '0.9em',
textTransform: 'uppercase',
}}>
Rates (vs CZK)
</h4>
{loading && <div style={{ fontSize: '0.9em', color: '#ccc' }}>Loading...</div>}
{error && <div style={{ fontSize: '0.9em', color: 'crimson' }}>{error}</div>}
{!loading && !error && (
<ul style={{ listStyle: 'none', padding: 0, margin: 0, fontSize: '0.9em', color: '#fff' }}>
{rates.length > 0 ? rates.map(rate => (
<li key={rate.currencyCode} style={{ display: 'flex', justifyContent: 'space-between', marginBottom: '0.5rem' }}>
<strong>{rate.currencyCode}</strong>
<span>{rate.rate.toFixed(3)}</span>
</li>
)) : <li style={{color: '#8a91b4'}}>No rates found.</li>}
</ul>
)}
</div>
);
}
export default function Dashboard({ onLogout }: { onLogout: () => void }) {
const [current, setCurrent] = useState<'home' | 'manual' | 'account' | 'appearance'>('home');
const [transactions, setTransactions] = useState<Transaction[]>([]);
const [categories, setCategories] = useState<Category[]>([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const [isMockModalOpen, setMockModalOpen] = useState(false);
const [isGenerating, setIsGenerating] = useState(false);
// Start CSAS (George) OAuth after login
async function startOauthCsas() {
const base = BACKEND_URL.replace(/\/$/, '');
const url = `${base}/auth/csas/authorize`;
try {
const token = localStorage.getItem('token');
const res = await fetch(url, {
credentials: 'include',
headers: token ? { Authorization: `Bearer ${token}` } : undefined,
});
const data = await res.json();
if (data && typeof data.authorization_url === 'string') {
window.location.assign(data.authorization_url);
} else {
alert('Cannot start CSAS OAuth.');
}
} catch (e) {
alert('Cannot start CSAS OAuth.');
}
}
// Filters
const [minAmount, setMinAmount] = useState<string>('');
const [maxAmount, setMaxAmount] = useState<string>('');
const [filterCategoryId, setFilterCategoryId] = useState<number | ''>('');
const [searchText, setSearchText] = useState('');
// Date-range filter
const [startDate, setStartDate] = useState<string>(''); // YYYY-MM-DD
const [endDate, setEndDate] = useState<string>('');
// Pagination over filtered transactions (20 per page), 0 = latest (most recent)
const pageSize = 20;
const [page, setPage] = useState<number>(0);
// Balance chart series for current date filter
const [balanceSeries, setBalanceSeries] = useState<BalancePoint[]>([]);
// Manual forms moved to ManualManagement page
// Inline edit state for transaction editing
const [editingTxId, setEditingTxId] = useState<number | null>(null);
const [editingCategoryIds, setEditingCategoryIds] = useState<number[]>([]);
const [editingAmount, setEditingAmount] = useState<string>('');
const [editingDescription, setEditingDescription] = useState<string>('');
const [editingDate, setEditingDate] = useState<string>(''); // YYYY-MM-DD
async function loadAll() {
setLoading(true);
setError(null);
try {
const [txs, cats, series] = await Promise.all([
getTransactions(startDate || undefined, endDate || undefined),
getCategories(),
getBalanceSeries(startDate || undefined, endDate || undefined),
]);
setTransactions(txs);
setCategories(cats);
setBalanceSeries(series);
// reset paging to most recent
setPage(0);
} catch (err: any) {
setError(err?.message || 'Failed to load data');
} finally {
setLoading(false);
}
}
async function handleGenerateMockTransactions(options: MockGenerationOptions) {
setIsGenerating(true);
setMockModalOpen(false);
const { count, minAmount, maxAmount, startDate, endDate, categoryIds } = options;
const newTransactions: Transaction[] = [];
const startDateTime = new Date(startDate).getTime();
const endDateTime = new Date(endDate).getTime();
for (let i = 0; i < count; i++) {
// Generate random data based on user input
const amount = parseFloat((Math.random() * (maxAmount - minAmount) + minAmount).toFixed(2));
const randomTime = Math.random() * (endDateTime - startDateTime) + startDateTime;
const date = new Date(randomTime);
const dateString = date.toISOString().split('T')[0];
const randomCategory = categoryIds.length > 0
? [categoryIds[Math.floor(Math.random() * categoryIds.length)]]
: [];
const payload = {
amount,
date: dateString,
category_ids: randomCategory,
};
try {
const created = await createTransaction(payload);
newTransactions.push(created);
} catch (err) {
console.error("Failed to create mock transaction:", err);
alert('An error occurred while generating transactions. Check the console.');
break;
}
}
setIsGenerating(false);
alert(`${newTransactions.length} mock transactions were successfully generated!`);
await loadAll();
}
useEffect(() => { loadAll(); }, [startDate, endDate]);
const filtered = useMemo(() => {
let arr = [...transactions];
const min = minAmount !== '' ? Number(minAmount) : undefined;
const max = maxAmount !== '' ? Number(maxAmount) : undefined;
if (min !== undefined) arr = arr.filter(t => t.amount >= min);
if (max !== undefined) arr = arr.filter(t => t.amount <= max);
if (filterCategoryId !== '') arr = arr.filter(t => t.category_ids.includes(filterCategoryId as number));
if (searchText.trim()) arr = arr.filter(t => (t.description || '').toLowerCase().includes(searchText.toLowerCase()));
return arr;
}, [transactions, minAmount, maxAmount, filterCategoryId, searchText]);
const sortedDesc = useMemo(() => {
return [...filtered].sort((a, b) => {
const ad = (a.date || '') > (b.date || '') ? 1 : (a.date || '') < (b.date || '') ? -1 : 0;
if (ad !== 0) return -ad; // date desc
return b.id - a.id; // fallback id desc
});
}, [filtered]);
const totalPages = Math.ceil(sortedDesc.length / pageSize);
const pageStart = page * pageSize;
const pageEnd = pageStart + pageSize;
const visible = sortedDesc.slice(pageStart, pageEnd);
function categoryNameById(id: number) { return categories.find(c => c.id === id)?.name || `#${id}`; }
function beginEditTransaction(t: Transaction) {
setEditingTxId(t.id);
setEditingCategoryIds([...(t.category_ids || [])]);
setEditingAmount(String(t.amount));
setEditingDescription(t.description || '');
setEditingDate(t.date || '');
}
function cancelEditTransaction() {
setEditingTxId(null);
setEditingCategoryIds([]);
setEditingAmount('');
setEditingDescription('');
setEditingDate('');
}
async function saveEditTransaction() {
if (editingTxId == null) return;
const amountNum = Number(editingAmount);
if (Number.isNaN(amountNum)) {
alert('Amount must be a number.');
return;
}
try {
const updated = await updateTransaction(editingTxId, {
amount: amountNum,
description: editingDescription,
date: editingDate || undefined,
category_ids: editingCategoryIds,
});
setTransactions(prev => prev.map(p => (p.id === updated.id ? updated : p)));
// Optionally refresh balance series to reflect changes immediately
try { setBalanceSeries(await getBalanceSeries(startDate || undefined, endDate || undefined)); } catch {}
cancelEditTransaction();
} catch (err: any) {
alert(err?.message || 'Failed to update transaction');
}
}
async function handleDeleteTransaction(id: number) {
if (!confirm('Delete this transaction? This cannot be undone.')) return;
try {
await deleteTransaction(id);
setTransactions(prev => prev.filter(t => t.id !== id));
try { setBalanceSeries(await getBalanceSeries(startDate || undefined, endDate || undefined)); } catch {}
} catch (err: any) {
alert(err?.message || 'Failed to delete transaction');
}
}
return (
<div className="app-layout">
<aside className="sidebar" style={{ display: 'flex', flexDirection: 'column' }}>
<div>
<div className="logo">7Project</div>
<nav className="nav">
<button className={current === 'home' ? 'active' : ''} onClick={() => setCurrent('home')}>Home</button>
<button className={current === 'manual' ? 'active' : ''} onClick={() => setCurrent('manual')}>Manual management</button>
<button className={current === 'account' ? 'active' : ''} onClick={() => setCurrent('account')}>Account</button>
<button className={current === 'appearance' ? 'active' : ''} onClick={() => setCurrent('appearance')}>Appearance</button>
</nav>
</div>
<CurrencyRates />
</aside>
<div className="content">
<div className="topbar">
<h2 style={{ margin: 0 }}>{current === 'home' ? 'Dashboard' : current === 'manual' ? 'Manual management' : current === 'account' ? 'Account' : 'Appearance'}</h2>
<div className="actions">
<span className="user muted">Signed in</span>
<button className="btn" onClick={onLogout}>Logout</button>
</div>
</div>
<main className="page space-y">
{current === 'home' && (
<>
<section className="card space-y">
<h3>Bank connections</h3>
<div className="connection-row">
<p className="muted" style={{ margin: 0 }}>Connect your CSAS (George) account.</p>
<button className="btn primary" onClick={startOauthCsas}>Connect CSAS (George)</button>
</div>
<div className="connection-row">
<p className="muted" style={{ margin: 0 }}>Generate data from a mock bank.</p>
<button className="btn primary" onClick={() => setMockModalOpen(true)}>Connect Mock Bank</button>
</div>
</section>
<section className="card">
<h3>Filters</h3>
<div className="form-row" style={{ gap: 8, flexWrap: 'wrap' }}>
<input className="input" type="date" placeholder="Start date" value={startDate} onChange={(e) => setStartDate(e.target.value)} />
<input className="input" type="date" placeholder="End date" value={endDate} onChange={(e) => setEndDate(e.target.value)} />
<input className="input" type="number" step="0.01" placeholder="Min amount" value={minAmount} onChange={(e) => setMinAmount(e.target.value)} />
<input className="input" type="number" step="0.01" placeholder="Max amount" value={maxAmount} onChange={(e) => setMaxAmount(e.target.value)} />
<select className="input" value={filterCategoryId} onChange={(e) => setFilterCategoryId(e.target.value ? Number(e.target.value) : '')}>
<option value="">All categories</option>
{categories.map(c => (<option key={c.id} value={c.id}>{c.name}</option>))}
</select>
<input className="input" type="text" placeholder="Search in description" value={searchText} onChange={(e) => setSearchText(e.target.value)} />
</div>
</section>
<section className="card">
<h3>Balance over time</h3>
{loading ? (
<div>Loading</div>
) : error ? (
<div style={{ color: 'crimson' }}>{error}</div>
) : (
<BalanceChart data={balanceSeries} />
)}
</section>
{/* 3. Add the new section for the Category Pie Chart */}
<section className="card">
{loading ? (
<div>Loading</div>
) : error ? (
<div style={{ color: 'crimson' }}>{error}</div>
) : (
// Pass the filtered transactions to see the breakdown for the current view
<CategoryPieChart transactions={filtered} categories={categories} />
)}
</section>
<section className="card">
<h3>Transactions</h3>
{loading ? (
<div>Loading</div>
) : error ? (
<div style={{ color: 'crimson' }}>{error}</div>
) : filtered.length === 0 ? (
<div>No transactions</div>
) : (
<>
<div className="table-controls">
<div className="muted">
Showing {visible.length} of {filtered.length} (page {Math.min(page + 1, Math.max(1, totalPages))}/{Math.max(1, totalPages)})
</div>
<div className="actions">
<button className="btn primary" disabled={page <= 0} onClick={() => setPage(p => Math.max(0, p - 1))}>Previous</button>
<button className="btn primary" disabled={page >= totalPages - 1} onClick={() => setPage(p => Math.min(totalPages - 1, p + 1))}>Next</button>
</div>
</div>
<table className="table">
<thead>
<tr>
<th>Date</th>
<th style={{ textAlign: 'right' }}>Amount</th>
<th>Description</th>
<th>Categories</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
{visible.map(t => (
<tr key={t.id}>
{/* Date cell */}
<td>
{editingTxId === t.id ? (
<input
className="input"
type="date"
value={editingDate}
onChange={(e) => setEditingDate(e.target.value)}
/>
) : (
t.date || ''
)}
</td>
{/* Amount cell */}
<td className="amount" style={{ textAlign: 'right' }}>
{editingTxId === t.id ? (
<input
className="input"
type="number"
step="0.01"
value={editingAmount}
onChange={(e) => setEditingAmount(e.target.value)}
style={{ textAlign: 'right' }}
/>
) : (
formatAmount(t.amount)
)}
</td>
{/* Description cell */}
<td>
{editingTxId === t.id ? (
<input
className="input"
type="text"
value={editingDescription}
onChange={(e) => setEditingDescription(e.target.value)}
/>
) : (
t.description || ''
)}
</td>
{/* Categories cell */}
<td>
{editingTxId === t.id ? (
<div style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
<select
multiple
className="input"
value={editingCategoryIds.map(String)}
onChange={(e) => {
const opts = Array.from(e.currentTarget.selectedOptions).map(o => Number(o.value));
setEditingCategoryIds(opts);
}}
>
{categories.map(c => (
<option key={c.id} value={c.id}>{c.name}</option>
))}
</select>
</div>
) : (
<span>{t.category_ids.map(id => categoryNameById(id)).join(', ') || '—'}</span>
)}
</td>
{/* Actions cell */}
<td>
{editingTxId === t.id ? (
<div style={{ display: 'flex', gap: 8, justifyContent: 'flex-end' }}>
<button className="btn small" onClick={saveEditTransaction}>Save</button>
<button className="btn small" onClick={cancelEditTransaction}>Cancel</button>
<button className="btn small" onClick={() => handleDeleteTransaction(t.id)}>Delete</button>
</div>
) : (
<div style={{ display: 'flex', gap: 8, justifyContent: 'flex-end' }}>
<button className="btn small" onClick={() => beginEditTransaction(t)}>Edit</button>
<button className="btn small" onClick={() => handleDeleteTransaction(t.id)}>Delete</button>
</div>
)}
</td>
</tr>
))}
</tbody>
</table>
</>
)}
</section>
</>
)}
{current === 'account' && (
// lazy import avoided for simplicity
<AccountPage onDeleted={onLogout} />
)}
{current === 'manual' && (
<ManualManagement
categories={categories}
onTransactionAdded={(t) => setTransactions(prev => [t, ...prev])}
onCategoryCreated={(c) => setCategories(prev => [...prev, c])}
/>
)}
{current === 'appearance' && (
<AppearancePage />
)}
</main>
</div>
<MockBankModal
isOpen={isMockModalOpen}
isGenerating={isGenerating}
categories={categories}
onClose={() => setMockModalOpen(false)}
onGenerate={handleGenerateMockTransactions}
/>
</div>
);
}