Add complete Cospend expense sharing feature

- Add MongoDB models for Payment and PaymentSplit with proper splitting logic
- Implement API routes for CRUD operations and balance calculations
- Create dashboard with balance overview and recent activity
- Add payment creation form with file upload (using $IMAGE_DIR)
- Implement shallow routing with modal side panel for payment details
- Support multiple split methods: equal, full payment, custom proportions
- Add responsive design for desktop and mobile
- Integrate with existing Authentik authentication

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

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-09-08 21:15:45 +02:00
parent 95b49ab6ce
commit 815975dba0
21 changed files with 3435 additions and 191 deletions

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<script>
import { onMount } from 'svelte';
import { goto } from '$app/navigation';
export let data;
let payment = null;
let loading = true;
let error = null;
onMount(async () => {
await loadPayment();
});
async function loadPayment() {
try {
const response = await fetch(`/api/cospend/payments/${data.paymentId}`);
if (!response.ok) {
throw new Error('Failed to load payment');
}
const result = await response.json();
payment = result.payment;
} catch (err) {
error = err.message;
} finally {
loading = false;
}
}
function formatCurrency(amount) {
return new Intl.NumberFormat('de-CH', {
style: 'currency',
currency: 'CHF'
}).format(Math.abs(amount));
}
function formatDate(dateString) {
return new Date(dateString).toLocaleDateString('de-CH');
}
function getSplitDescription(payment) {
if (!payment.splits || payment.splits.length === 0) return 'No splits';
if (payment.splitMethod === 'equal') {
return `Split equally among ${payment.splits.length} people`;
} else if (payment.splitMethod === 'full') {
return `Paid in full by ${payment.paidBy}`;
} else {
return `Custom split among ${payment.splits.length} people`;
}
}
</script>
<svelte:head>
<title>{payment ? payment.title : 'Payment'} - Cospend</title>
</svelte:head>
<main class="payment-view">
<div class="header">
<div class="header-content">
<a href="/cospend" class="back-link">← Back to Dashboard</a>
<div class="header-actions">
{#if payment && payment.createdBy === data.session.user.nickname}
<a href="/cospend/payments/edit/{data.paymentId}" class="btn btn-secondary">Edit</a>
{/if}
<a href="/cospend/payments" class="btn btn-secondary">All Payments</a>
</div>
</div>
</div>
{#if loading}
<div class="loading">Loading payment...</div>
{:else if error}
<div class="error">Error: {error}</div>
{:else if payment}
<div class="payment-card">
<div class="payment-header">
<div class="title-section">
<h1>{payment.title}</h1>
<div class="payment-amount">
{formatCurrency(payment.amount)}
</div>
</div>
{#if payment.image}
<div class="receipt-image">
<img src={payment.image} alt="Receipt" />
</div>
{/if}
</div>
<div class="payment-info">
<div class="info-grid">
<div class="info-item">
<span class="label">Date:</span>
<span class="value">{formatDate(payment.date)}</span>
</div>
<div class="info-item">
<span class="label">Paid by:</span>
<span class="value">{payment.paidBy}</span>
</div>
<div class="info-item">
<span class="label">Created by:</span>
<span class="value">{payment.createdBy}</span>
</div>
<div class="info-item">
<span class="label">Split method:</span>
<span class="value">{getSplitDescription(payment)}</span>
</div>
</div>
{#if payment.description}
<div class="description">
<h3>Description</h3>
<p>{payment.description}</p>
</div>
{/if}
</div>
{#if payment.splits && payment.splits.length > 0}
<div class="splits-section">
<h3>Split Details</h3>
<div class="splits-list">
{#each payment.splits as split}
<div class="split-item" class:current-user={split.username === data.session.user.nickname}>
<div class="split-user">
<span class="username">{split.username}</span>
{#if split.username === data.session.user.nickname}
<span class="you-badge">You</span>
{/if}
</div>
<div class="split-amount" class:positive={split.amount < 0} class:negative={split.amount > 0}>
{#if split.amount > 0}
owes {formatCurrency(split.amount)}
{:else if split.amount < 0}
owed {formatCurrency(split.amount)}
{:else}
even
{/if}
</div>
</div>
{/each}
</div>
</div>
{/if}
</div>
{/if}
</main>
<style>
.payment-view {
max-width: 800px;
margin: 0 auto;
padding: 2rem;
}
.header {
margin-bottom: 2rem;
}
.header-content {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 1rem;
}
.back-link {
color: #1976d2;
text-decoration: none;
font-weight: 500;
}
.header-actions {
display: flex;
gap: 0.5rem;
}
.btn {
padding: 0.5rem 1rem;
border-radius: 0.25rem;
text-decoration: none;
font-size: 0.9rem;
transition: all 0.2s;
}
.btn-secondary {
background-color: #f5f5f5;
color: #333;
border: 1px solid #ddd;
}
.btn-secondary:hover {
background-color: #e8e8e8;
}
.loading, .error {
text-align: center;
padding: 2rem;
font-size: 1.1rem;
}
.error {
color: #d32f2f;
background-color: #ffebee;
border-radius: 0.5rem;
}
.payment-card {
background: white;
border-radius: 0.75rem;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
overflow: hidden;
}
.payment-header {
display: flex;
justify-content: space-between;
align-items: flex-start;
padding: 2rem;
background: linear-gradient(135deg, #f8f9fa, #e9ecef);
border-bottom: 1px solid #dee2e6;
}
.title-section h1 {
margin: 0 0 0.5rem 0;
color: #333;
font-size: 1.75rem;
}
.payment-amount {
font-size: 1.5rem;
font-weight: bold;
color: #1976d2;
}
.receipt-image {
flex-shrink: 0;
margin-left: 2rem;
}
.receipt-image img {
max-width: 150px;
max-height: 150px;
object-fit: cover;
border-radius: 0.5rem;
border: 1px solid #ddd;
}
.payment-info {
padding: 2rem;
}
.info-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
margin-bottom: 2rem;
}
.info-item {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.label {
font-weight: 600;
color: #666;
font-size: 0.9rem;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.value {
color: #333;
font-size: 1rem;
}
.description {
border-top: 1px solid #eee;
padding-top: 1.5rem;
}
.description h3 {
margin: 0 0 0.75rem 0;
color: #333;
font-size: 1.1rem;
}
.description p {
margin: 0;
color: #555;
line-height: 1.5;
}
.splits-section {
border-top: 1px solid #eee;
padding: 2rem;
}
.splits-section h3 {
margin: 0 0 1rem 0;
color: #333;
font-size: 1.1rem;
}
.splits-list {
display: flex;
flex-direction: column;
gap: 0.75rem;
}
.split-item {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem;
background: #f8f9fa;
border-radius: 0.5rem;
border: 1px solid transparent;
}
.split-item.current-user {
background: #e3f2fd;
border-color: #2196f3;
}
.split-user {
display: flex;
align-items: center;
gap: 0.5rem;
}
.username {
font-weight: 500;
color: #333;
}
.you-badge {
background-color: #1976d2;
color: white;
padding: 0.125rem 0.5rem;
border-radius: 1rem;
font-size: 0.75rem;
font-weight: 500;
}
.split-amount {
font-weight: 500;
font-size: 1rem;
}
.split-amount.positive {
color: #2e7d32;
}
.split-amount.negative {
color: #d32f2f;
}
@media (max-width: 600px) {
.payment-view {
padding: 1rem;
}
.payment-header {
flex-direction: column;
gap: 1rem;
text-align: center;
}
.receipt-image {
margin-left: 0;
}
.header-content {
flex-direction: column;
align-items: stretch;
}
.header-actions {
justify-content: center;
}
.info-grid {
grid-template-columns: 1fr;
}
.split-item {
flex-direction: column;
align-items: flex-start;
gap: 0.5rem;
}
}
</style>