Ulas
444 lines
17 KiB
JavaScript
444 lines
17 KiB
JavaScript
/**
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* Modul: Budget-Tracker (Budget)
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* Zweck: Monatsübersicht, Kategorie-Balkendiagramm (Canvas), Transaktionsliste,
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* CRUD, CSV-Export
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* Abhängigkeiten: /api.js, /router.js (window.oikos)
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*/
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import { api } from '/api.js';
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import { openModal as openSharedModal, closeModal } from '/components/modal.js';
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import { stagger, vibrate } from '/utils/ux.js';
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// --------------------------------------------------------
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// Konstanten
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// --------------------------------------------------------
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const CATEGORIES = [
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'Lebensmittel', 'Miete', 'Versicherung', 'Mobilität',
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'Freizeit', 'Kleidung', 'Gesundheit', 'Bildung', 'Sonstiges',
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];
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const MONTH_NAMES = ['Januar', 'Februar', 'März', 'April', 'Mai', 'Juni',
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'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember'];
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// --------------------------------------------------------
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// State
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// --------------------------------------------------------
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let state = {
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month: '', // YYYY-MM
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entries: [],
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summary: null,
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};
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let _container = null;
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// --------------------------------------------------------
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// Formatierung
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// --------------------------------------------------------
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function formatAmount(n) {
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return new Intl.NumberFormat('de-DE', { style: 'currency', currency: 'EUR' }).format(n);
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}
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function formatMonthLabel(ym) {
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const [y, m] = ym.split('-');
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return `${MONTH_NAMES[parseInt(m, 10) - 1]} ${y}`;
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}
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function addMonths(ym, n) {
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const [y, m] = ym.split('-').map(Number);
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const d = new Date(y, m - 1 + n, 1);
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return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}`;
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}
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// --------------------------------------------------------
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// API
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// --------------------------------------------------------
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async function loadMonth(month) {
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try {
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const [entriesRes, summaryRes] = await Promise.all([
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api.get(`/budget?month=${month}`),
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api.get(`/budget/summary?month=${month}`),
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]);
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state.month = month;
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state.entries = entriesRes.data;
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state.summary = summaryRes.data;
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} catch (err) {
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console.error('[Budget] loadMonth Fehler:', err);
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state.month = month;
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state.entries = [];
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state.summary = { income: 0, expenses: 0, balance: 0, by_category: [] };
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window.oikos?.showToast('Budget konnte nicht geladen werden.', 'danger');
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}
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}
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// --------------------------------------------------------
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// Entry Point
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// --------------------------------------------------------
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export async function render(container, { user }) {
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_container = container;
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const today = new Date();
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state.month = `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}`;
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container.innerHTML = `
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<div class="budget-page">
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<h1 class="sr-only">Budget</h1>
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<div class="budget-nav">
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<button class="btn btn--icon" id="budget-prev" aria-label="Vorheriger Monat">
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<i data-lucide="chevron-left" aria-hidden="true"></i>
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</button>
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<button class="budget-nav__today" id="budget-today">Aktuell</button>
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<span class="budget-nav__label" id="budget-label"></span>
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<button class="btn btn--primary btn--icon" id="budget-add" aria-label="Eintrag hinzufügen">
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<i data-lucide="plus" aria-hidden="true"></i>
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</button>
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<button class="btn btn--icon" id="budget-next" aria-label="Nächster Monat">
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<i data-lucide="chevron-right" aria-hidden="true"></i>
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</button>
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</div>
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<div id="budget-body" style="flex:1;display:flex;flex-direction:column;overflow:hidden;">
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<div style="padding:2rem;text-align:center;color:var(--color-text-disabled);">Lade…</div>
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</div>
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<button class="page-fab" id="fab-new-budget" aria-label="Neuer Eintrag">
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<i data-lucide="plus" style="width:24px;height:24px" aria-hidden="true"></i>
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</button>
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</div>
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`;
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if (window.lucide) lucide.createIcons();
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await loadMonth(state.month);
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renderBody();
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wireNav();
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}
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// --------------------------------------------------------
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// Navigation
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// --------------------------------------------------------
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function wireNav() {
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_container.querySelector('#budget-prev').addEventListener('click', async () => {
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await loadMonth(addMonths(state.month, -1));
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renderBody();
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updateLabel();
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});
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_container.querySelector('#budget-next').addEventListener('click', async () => {
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await loadMonth(addMonths(state.month, 1));
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renderBody();
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updateLabel();
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});
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_container.querySelector('#budget-today').addEventListener('click', async () => {
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const today = new Date();
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const m = `${today.getFullYear()}-${String(today.getMonth() + 1).padStart(2, '0')}`;
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if (m === state.month) return;
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await loadMonth(m);
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renderBody();
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updateLabel();
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});
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const addHandler = () => openBudgetModal({ mode: 'create' });
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_container.querySelector('#budget-add').addEventListener('click', addHandler);
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_container.querySelector('#fab-new-budget').addEventListener('click', addHandler);
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updateLabel();
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}
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function updateLabel() {
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const lbl = _container.querySelector('#budget-label');
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if (lbl) lbl.textContent = formatMonthLabel(state.month);
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}
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// --------------------------------------------------------
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// Body
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// --------------------------------------------------------
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function renderBody() {
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const body = _container.querySelector('#budget-body');
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if (!body) return;
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updateLabel();
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const s = state.summary;
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const balanceClass = s.balance >= 0 ? 'budget-summary-card--balance-positive' : 'budget-summary-card--balance-negative';
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body.innerHTML = `
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<!-- Zusammenfassung -->
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<div class="budget-summary">
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<div class="budget-summary-card budget-summary-card--income">
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<div class="budget-summary-card__label">Einnahmen</div>
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<div class="budget-summary-card__amount">${formatAmount(s.income)}</div>
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</div>
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<div class="budget-summary-card budget-summary-card--expenses">
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<div class="budget-summary-card__label">Ausgaben</div>
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<div class="budget-summary-card__amount">${formatAmount(Math.abs(s.expenses))}</div>
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</div>
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<div class="budget-summary-card ${balanceClass}">
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<div class="budget-summary-card__label">Saldo</div>
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<div class="budget-summary-card__amount">${formatAmount(s.balance)}</div>
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</div>
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</div>
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<!-- Kategorie-Balken -->
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${s.byCategory.length ? `
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<div class="budget-chart-section">
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<div class="budget-chart-section__title">Nach Kategorie</div>
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<div class="budget-chart">
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${renderCategoryBars(s.byCategory)}
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</div>
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</div>` : ''}
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<!-- Transaktionsliste -->
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<div class="budget-list-section">
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<div class="budget-list-header">
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<span class="budget-list-header__title">Transaktionen</span>
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${state.entries.length ? `
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<a href="/api/v1/budget/export?month=${state.month}" class="btn btn--secondary"
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style="font-size:var(--text-sm);padding:var(--space-1) var(--space-3);">
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<i data-lucide="download" style="width:14px;height:14px;margin-right:4px;" aria-hidden="true"></i>CSV
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</a>` : ''}
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</div>
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<div class="budget-list" id="budget-list">
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${renderEntries()}
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</div>
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</div>
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`;
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if (window.lucide) lucide.createIcons();
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stagger(_container.querySelector('#budget-list')?.querySelectorAll('.budget-entry') ?? []);
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_container.querySelector('#budget-list')?.addEventListener('click', async (e) => {
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const delBtn = e.target.closest('[data-action="delete"]');
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if (delBtn) { await deleteEntry(parseInt(delBtn.dataset.id, 10)); return; }
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const item = e.target.closest('.budget-entry[data-id]');
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if (item && !e.target.closest('[data-action]')) {
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const entry = state.entries.find((e) => e.id === parseInt(item.dataset.id, 10));
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if (entry) openBudgetModal({ mode: 'edit', entry });
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}
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});
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}
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function renderCategoryBars(byCategory) {
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const maxAbs = Math.max(...byCategory.map((c) => Math.abs(c.total)), 1);
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return byCategory.map((c) => {
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const isExpense = c.total < 0;
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const pct = Math.round((Math.abs(c.total) / maxAbs) * 100);
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const cls = isExpense ? 'budget-bar-row__fill--expenses' : 'budget-bar-row__fill--income';
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return `
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<div class="budget-bar-row">
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<div class="budget-bar-row__label" title="${escHtml(c.category)}">${escHtml(c.category)}</div>
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<div class="budget-bar-row__track">
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<div class="budget-bar-row__fill ${cls}" style="width:${pct}%;"></div>
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</div>
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<div class="budget-bar-row__amount" style="color:${isExpense ? 'var(--color-danger)' : 'var(--color-success)'};">
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${formatAmount(c.total)}
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</div>
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</div>
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`;
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}).join('');
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}
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function renderEntries() {
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if (!state.entries.length) {
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return `<div class="empty-state">
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<svg class="empty-state__icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" aria-hidden="true">
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<line x1="12" y1="1" x2="12" y2="23"/>
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<path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/>
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</svg>
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<div class="empty-state__title">Keine Einträge diesen Monat</div>
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<div class="empty-state__description">Budget-Einträge über den + Button hinzufügen.</div>
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</div>`;
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}
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return state.entries.map((e) => {
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const isIncome = e.amount > 0;
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const amtClass = isIncome ? 'budget-entry__amount--income' : 'budget-entry__amount--expenses';
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const indClass = isIncome ? 'budget-entry__indicator--income' : 'budget-entry__indicator--expenses';
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const sign = isIncome ? '+' : '';
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const date = formatEntryDate(e.date);
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return `
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<div class="budget-entry" data-id="${e.id}">
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<div class="budget-entry__indicator ${indClass}"></div>
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<div class="budget-entry__body">
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<div class="budget-entry__title">${escHtml(e.title)}</div>
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<div class="budget-entry__meta">${date} · ${escHtml(e.category)}${e.is_recurring ? ' 🔁' : ''}</div>
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</div>
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<div class="budget-entry__amount ${amtClass}">${sign}${formatAmount(e.amount)}</div>
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<button class="budget-entry__delete" data-action="delete" data-id="${e.id}" aria-label="Eintrag löschen">
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<i data-lucide="trash-2" style="width:14px;height:14px;" aria-hidden="true"></i>
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</button>
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</div>
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`;
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}).join('');
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}
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function formatEntryDate(dateStr) {
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const d = new Date(dateStr + 'T00:00:00');
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return `${d.getDate().toString().padStart(2, '0')}.${(d.getMonth() + 1).toString().padStart(2, '0')}.`;
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}
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// --------------------------------------------------------
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// Modal
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// --------------------------------------------------------
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function openBudgetModal({ mode, entry = null }) {
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const isEdit = mode === 'edit';
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const today = new Date().toISOString().slice(0, 10);
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const isExpense = isEdit ? entry.amount < 0 : true;
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const absAmount = isEdit ? Math.abs(entry.amount).toFixed(2) : '';
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const catOpts = CATEGORIES.map((c) =>
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`<option value="${c}" ${isEdit && entry.category === c ? 'selected' : ''}>${c}</option>`
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).join('');
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const content = `
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<div class="amount-type-toggle">
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<button class="amount-type-btn amount-type-btn--expenses ${isExpense ? 'amount-type-btn--active' : ''}"
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id="type-expense" type="button">Ausgabe</button>
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<button class="amount-type-btn amount-type-btn--income ${!isExpense ? 'amount-type-btn--active' : ''}"
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id="type-income" type="button">Einnahme</button>
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</div>
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<div class="form-group">
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<label class="form-label" for="bm-title">Titel *</label>
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<input type="text" class="form-input" id="bm-title"
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placeholder="z.B. REWE Einkauf" value="${escHtml(isEdit ? entry.title : '')}">
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</div>
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<div class="form-group">
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<label class="form-label" for="bm-amount">Betrag (€) *</label>
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<input type="number" class="form-input" id="bm-amount"
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placeholder="0,00" step="0.01" min="0"
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value="${absAmount}">
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</div>
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<div class="form-group">
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<label class="form-label" for="bm-category">Kategorie</label>
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<select class="form-input" id="bm-category">${catOpts}</select>
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</div>
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<div class="form-group">
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<label class="form-label" for="bm-date">Datum *</label>
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<input type="date" class="form-input" id="bm-date"
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value="${isEdit ? entry.date : today}">
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</div>
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<div class="form-group">
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<label class="allday-toggle">
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<input type="checkbox" id="bm-recurring" ${isEdit && entry.is_recurring ? 'checked' : ''}>
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<span class="allday-toggle__label">Wiederkehrend</span>
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</label>
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</div>
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<div class="modal-panel__footer" style="border:none;padding:0;margin-top:var(--space-4)">
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${isEdit ? `<button class="btn btn--danger btn--icon" id="bm-delete" aria-label="Eintrag löschen">
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<i data-lucide="trash-2" style="width:16px;height:16px;" aria-hidden="true"></i>
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</button>` : '<div></div>'}
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<div style="display:flex;gap:var(--space-3)">
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<button class="btn btn--secondary" id="bm-cancel">Abbrechen</button>
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<button class="btn btn--primary" id="bm-save">${isEdit ? 'Speichern' : 'Hinzufügen'}</button>
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</div>
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</div>`;
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openSharedModal({
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title: isEdit ? 'Eintrag bearbeiten' : 'Neuer Eintrag',
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content,
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size: 'sm',
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onSave(panel) {
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let currentType = isExpense ? 'expense' : 'income';
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panel.querySelector('#type-expense').addEventListener('click', () => {
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currentType = 'expense';
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panel.querySelector('#type-expense').classList.add('amount-type-btn--active');
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panel.querySelector('#type-income').classList.remove('amount-type-btn--active');
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});
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panel.querySelector('#type-income').addEventListener('click', () => {
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currentType = 'income';
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panel.querySelector('#type-income').classList.add('amount-type-btn--active');
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panel.querySelector('#type-expense').classList.remove('amount-type-btn--active');
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});
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panel.querySelector('#bm-cancel').addEventListener('click', closeModal);
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panel.querySelector('#bm-delete')?.addEventListener('click', async () => {
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if (!confirm(`"${entry.title}" wirklich löschen?`)) return;
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closeModal();
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await deleteEntry(entry.id);
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});
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panel.querySelector('#bm-save').addEventListener('click', async () => {
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const saveBtn = panel.querySelector('#bm-save');
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const title = panel.querySelector('#bm-title').value.trim();
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const absVal = parseFloat(panel.querySelector('#bm-amount').value);
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const category = panel.querySelector('#bm-category').value;
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const date = panel.querySelector('#bm-date').value;
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const recurring = panel.querySelector('#bm-recurring').checked ? 1 : 0;
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if (!title) { window.oikos?.showToast('Titel ist erforderlich', 'error'); return; }
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if (isNaN(absVal) || absVal <= 0) { window.oikos?.showToast('Gültigen Betrag eingeben', 'error'); return; }
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if (!date) { window.oikos?.showToast('Datum ist erforderlich', 'error'); return; }
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const amount = currentType === 'expense' ? -absVal : absVal;
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saveBtn.disabled = true;
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saveBtn.textContent = '…';
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try {
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const body = { title, amount, category, date, is_recurring: recurring };
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if (mode === 'create') {
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const res = await api.post('/budget', body);
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state.entries.unshift(res.data);
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} else {
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const res = await api.put(`/budget/${entry.id}`, body);
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const idx = state.entries.findIndex((e) => e.id === entry.id);
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if (idx !== -1) state.entries[idx] = res.data;
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}
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const sumRes = await api.get(`/budget/summary?month=${state.month}`);
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state.summary = sumRes.data;
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closeModal();
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renderBody();
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window.oikos?.showToast(mode === 'create' ? 'Eintrag hinzugefügt' : 'Eintrag gespeichert', 'success');
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} catch (err) {
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window.oikos?.showToast(err.data?.error ?? 'Fehler', 'error');
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saveBtn.disabled = false;
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saveBtn.textContent = isEdit ? 'Speichern' : 'Hinzufügen';
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}
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});
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},
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});
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}
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// --------------------------------------------------------
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// Eintrag löschen
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// --------------------------------------------------------
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async function deleteEntry(id) {
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if (!confirm('Eintrag wirklich löschen?')) return;
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try {
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await api.delete(`/budget/${id}`);
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state.entries = state.entries.filter((e) => e.id !== id);
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const sumRes = await api.get(`/budget/summary?month=${state.month}`);
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state.summary = sumRes.data;
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renderBody();
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vibrate([30, 50, 30]);
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window.oikos?.showToast('Eintrag gelöscht', 'success');
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} catch (err) {
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window.oikos?.showToast(err.data?.error ?? 'Fehler', 'error');
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}
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}
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// --------------------------------------------------------
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// Hilfsfunktion
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// --------------------------------------------------------
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function escHtml(str) {
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if (!str) return '';
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return String(str)
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.replace(/&/g, '&').replace(/</g, '<')
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.replace(/>/g, '>').replace(/"/g, '"');
|
|
}
|