Enhance Cospend with debt breakdown and predefined users

- Add EnhancedBalance component with integrated single-user debt display
- Create DebtBreakdown component for multi-user debt overview
- Add predefined users configuration (alexander, anna)
- Implement personal + equal split payment method
- Add profile pictures throughout payment interfaces
- Integrate debt information with profile pictures in balance view
- Auto-hide debt breakdown when single user (shows in balance instead)
- Support both manual and predefined user management modes

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

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-09-09 18:58:04 +02:00
parent b67bb0b263
commit fd4a25376b
13 changed files with 1019 additions and 150 deletions

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<script>
import { onMount } from 'svelte';
import ProfilePicture from './ProfilePicture.svelte';
let debtData = {
whoOwesMe: [],
whoIOwe: [],
totalOwedToMe: 0,
totalIOwe: 0
};
let loading = true;
let error = null;
$: shouldHide = getShouldHide();
function getShouldHide() {
const totalUsers = debtData.whoOwesMe.length + debtData.whoIOwe.length;
return totalUsers <= 1; // Hide if 0 or 1 user (1 user is handled by enhanced balance)
}
onMount(async () => {
await fetchDebtBreakdown();
});
async function fetchDebtBreakdown() {
try {
loading = true;
const response = await fetch('/api/cospend/debts');
if (!response.ok) {
throw new Error('Failed to fetch debt breakdown');
}
debtData = await response.json();
} catch (err) {
error = err.message;
} finally {
loading = false;
}
}
function formatCurrency(amount) {
return new Intl.NumberFormat('de-CH', {
style: 'currency',
currency: 'CHF'
}).format(amount);
}
</script>
{#if !shouldHide}
<div class="debt-breakdown">
<h2>Debt Overview</h2>
{#if loading}
<div class="loading">Loading debt breakdown...</div>
{:else if error}
<div class="error">Error: {error}</div>
{:else}
<div class="debt-sections">
{#if debtData.whoOwesMe.length > 0}
<div class="debt-section owed-to-me">
<h3>Who owes you</h3>
<div class="total-amount positive">
Total: {formatCurrency(debtData.totalOwedToMe)}
</div>
<div class="debt-list">
{#each debtData.whoOwesMe as debt}
<div class="debt-item">
<div class="debt-user">
<ProfilePicture username={debt.username} size={40} />
<div class="user-details">
<span class="username">{debt.username}</span>
<span class="amount positive">{formatCurrency(debt.netAmount)}</span>
</div>
</div>
<div class="transaction-count">
{debt.transactions.length} transaction{debt.transactions.length !== 1 ? 's' : ''}
</div>
</div>
{/each}
</div>
</div>
{/if}
{#if debtData.whoIOwe.length > 0}
<div class="debt-section owe-to-others">
<h3>You owe</h3>
<div class="total-amount negative">
Total: {formatCurrency(debtData.totalIOwe)}
</div>
<div class="debt-list">
{#each debtData.whoIOwe as debt}
<div class="debt-item">
<div class="debt-user">
<ProfilePicture username={debt.username} size={40} />
<div class="user-details">
<span class="username">{debt.username}</span>
<span class="amount negative">{formatCurrency(debt.netAmount)}</span>
</div>
</div>
<div class="transaction-count">
{debt.transactions.length} transaction{debt.transactions.length !== 1 ? 's' : ''}
</div>
</div>
{/each}
</div>
</div>
{/if}
</div>
{/if}
</div>
{/if}
<style>
.debt-breakdown {
background: white;
padding: 1.5rem;
border-radius: 0.75rem;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
margin-bottom: 2rem;
}
.debt-breakdown h2 {
margin-bottom: 1.5rem;
color: #333;
font-size: 1.4rem;
}
.loading, .error {
text-align: center;
padding: 2rem;
color: #666;
}
.error {
color: #d32f2f;
background-color: #ffebee;
border-radius: 0.5rem;
}
.no-debts {
text-align: center;
padding: 2rem;
color: #666;
font-size: 1.1rem;
}
.debt-sections {
display: grid;
gap: 1.5rem;
}
@media (min-width: 768px) {
.debt-sections {
grid-template-columns: 1fr 1fr;
}
}
.debt-section {
border-radius: 0.5rem;
padding: 1rem;
}
.debt-section.owed-to-me {
background: linear-gradient(135deg, #e8f5e8, #f0f8f0);
border: 1px solid #c8e6c9;
}
.debt-section.owe-to-others {
background: linear-gradient(135deg, #ffeaea, #fff5f5);
border: 1px solid #ffcdd2;
}
.debt-section h3 {
margin-bottom: 0.5rem;
font-size: 1.1rem;
color: #333;
}
.total-amount {
font-weight: bold;
font-size: 1.2rem;
margin-bottom: 1rem;
}
.total-amount.positive {
color: #2e7d32;
}
.total-amount.negative {
color: #d32f2f;
}
.debt-list {
display: flex;
flex-direction: column;
gap: 0.75rem;
}
.debt-item {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0.75rem;
background: white;
border-radius: 0.5rem;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
.debt-user {
display: flex;
align-items: center;
gap: 0.75rem;
flex: 1;
}
.user-details {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.username {
font-weight: 500;
color: #333;
}
.amount {
font-weight: bold;
font-size: 1rem;
}
.amount.positive {
color: #2e7d32;
}
.amount.negative {
color: #d32f2f;
}
.transaction-count {
color: #666;
font-size: 0.85rem;
text-align: right;
}
</style>

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<script>
import { onMount } from 'svelte';
import ProfilePicture from './ProfilePicture.svelte';
let balance = {
netBalance: 0,
recentSplits: []
};
let debtData = {
whoOwesMe: [],
whoIOwe: [],
totalOwedToMe: 0,
totalIOwe: 0
};
let loading = true;
let error = null;
let singleDebtUser = null;
let shouldShowIntegratedView = false;
function getSingleDebtUser() {
const totalUsers = debtData.whoOwesMe.length + debtData.whoIOwe.length;
if (totalUsers === 1) {
if (debtData.whoOwesMe.length === 1) {
return {
type: 'owesMe',
user: debtData.whoOwesMe[0],
amount: debtData.whoOwesMe[0].netAmount
};
} else if (debtData.whoIOwe.length === 1) {
return {
type: 'iOwe',
user: debtData.whoIOwe[0],
amount: debtData.whoIOwe[0].netAmount
};
}
}
return null;
}
$: {
// Recalculate when debtData changes
singleDebtUser = getSingleDebtUser();
shouldShowIntegratedView = singleDebtUser !== null;
// Temporary debug logging
if (!loading) {
console.log('🔍 Debug Info:');
console.log('- debtData:', debtData);
console.log('- whoOwesMe length:', debtData.whoOwesMe.length);
console.log('- whoIOwe length:', debtData.whoIOwe.length);
console.log('- singleDebtUser:', singleDebtUser);
console.log('- shouldShowIntegratedView:', shouldShowIntegratedView);
}
}
onMount(async () => {
await Promise.all([fetchBalance(), fetchDebtBreakdown()]);
});
async function fetchBalance() {
try {
const response = await fetch('/api/cospend/balance');
if (!response.ok) {
throw new Error('Failed to fetch balance');
}
balance = await response.json();
} catch (err) {
error = err.message;
}
}
async function fetchDebtBreakdown() {
try {
const response = await fetch('/api/cospend/debts');
if (!response.ok) {
throw new Error('Failed to fetch debt breakdown');
}
debtData = await response.json();
} 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));
}
</script>
<div class="balance-cards">
<div class="balance-card net-balance"
class:positive={balance.netBalance <= 0}
class:negative={balance.netBalance > 0}
class:enhanced={shouldShowIntegratedView}>
{#if loading}
<div class="loading-content">
<h3>Your Balance</h3>
<div class="loading">Loading...</div>
</div>
{:else if error}
<h3>Your Balance</h3>
<div class="error">Error: {error}</div>
{:else if shouldShowIntegratedView}
<!-- Enhanced view with single user debt -->
<h3>Your Balance</h3>
<div class="enhanced-balance">
<div class="main-amount">
{#if balance.netBalance < 0}
<span class="positive">+{formatCurrency(balance.netBalance)}</span>
<small>You are owed</small>
{:else if balance.netBalance > 0}
<span class="negative">-{formatCurrency(balance.netBalance)}</span>
<small>You owe</small>
{:else}
<span class="even">CHF 0.00</span>
<small>You're all even</small>
{/if}
</div>
<div class="debt-details">
<div class="debt-user">
{#if singleDebtUser && singleDebtUser.user}
<!-- Debug: ProfilePicture with username: {singleDebtUser.user.username} -->
<ProfilePicture username={singleDebtUser.user.username} size={40} />
<div class="user-info">
<span class="username">{singleDebtUser.user.username}</span>
<span class="debt-description">
{#if singleDebtUser.type === 'owesMe'}
owes you {formatCurrency(singleDebtUser.amount)}
{:else}
you owe {formatCurrency(singleDebtUser.amount)}
{/if}
</span>
</div>
{:else}
<div>Debug: No singleDebtUser data</div>
{/if}
</div>
<div class="transaction-count">
{#if singleDebtUser && singleDebtUser.user && singleDebtUser.user.transactions}
{singleDebtUser.user.transactions.length} transaction{singleDebtUser.user.transactions.length !== 1 ? 's' : ''}
{/if}
</div>
</div>
</div>
{:else}
<!-- Standard balance view -->
<h3>Your Balance</h3>
<div class="amount">
{#if balance.netBalance < 0}
<span class="positive">+{formatCurrency(balance.netBalance)}</span>
<small>You are owed</small>
{:else if balance.netBalance > 0}
<span class="negative">-{formatCurrency(balance.netBalance)}</span>
<small>You owe</small>
{:else}
<span class="even">CHF 0.00</span>
<small>You're all even</small>
{/if}
</div>
{/if}
</div>
</div>
<style>
.balance-cards {
display: flex;
justify-content: center;
margin-bottom: 2rem;
}
.balance-card {
background: white;
padding: 2rem;
border-radius: 0.75rem;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
text-align: center;
min-width: 300px;
}
.balance-card.enhanced {
min-width: 400px;
text-align: left;
}
.balance-card.net-balance {
background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
}
.balance-card.net-balance.positive {
background: linear-gradient(135deg, #e8f5e8, #d4edda);
}
.balance-card.net-balance.negative {
background: linear-gradient(135deg, #ffeaea, #f8d7da);
}
.balance-card h3 {
margin-bottom: 1rem;
color: #555;
font-size: 1.1rem;
text-align: center;
}
.loading-content {
text-align: center;
}
.loading {
color: #666;
}
.error {
color: #d32f2f;
background-color: #ffebee;
border-radius: 0.5rem;
padding: 1rem;
}
.amount {
font-size: 2rem;
font-weight: bold;
margin-bottom: 0.5rem;
}
.amount small {
display: block;
font-size: 0.9rem;
font-weight: normal;
color: #666;
margin-top: 0.5rem;
}
.enhanced-balance {
display: flex;
flex-direction: column;
gap: 1.5rem;
}
.main-amount {
text-align: center;
font-size: 1.8rem;
font-weight: bold;
}
.main-amount small {
display: block;
font-size: 0.9rem;
font-weight: normal;
color: #666;
margin-top: 0.5rem;
}
.debt-details {
background: rgba(255, 255, 255, 0.5);
padding: 1rem;
border-radius: 0.5rem;
display: flex;
justify-content: space-between;
align-items: center;
}
.debt-user {
display: flex;
align-items: center;
gap: 0.75rem;
flex: 1;
}
.user-info {
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.username {
font-weight: 600;
color: #333;
font-size: 1rem;
}
.debt-description {
color: #666;
font-size: 0.9rem;
}
.transaction-count {
color: #666;
font-size: 0.85rem;
text-align: right;
}
.positive {
color: #2e7d32;
}
.negative {
color: #d32f2f;
}
.even {
color: #666;
}
@media (max-width: 600px) {
.balance-card {
min-width: unset;
width: 100%;
}
.balance-card.enhanced {
min-width: unset;
}
.debt-details {
flex-direction: column;
gap: 0.75rem;
align-items: flex-start;
}
.transaction-count {
text-align: left;
}
}
</style>

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@@ -79,6 +79,8 @@
return `Split equally among ${payment.splits.length} people`;
} else if (payment.splitMethod === 'full') {
return `Paid in full by ${payment.paidBy}`;
} else if (payment.splitMethod === 'personal_equal') {
return `Personal amounts + equal split among ${payment.splits.length} people`;
} else {
return `Custom split among ${payment.splits.length} people`;
}

16
src/lib/config/users.ts Normal file
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// Predefined users configuration for Cospend
// When this array has exactly 2 users, the system will always split between them
// For more users, manual selection is allowed
export const PREDEFINED_USERS = [
'alexander',
'anna'
];
export function isPredefinedUsersMode(): boolean {
return PREDEFINED_USERS.length === 2;
}
export function getAvailableUsers(): string[] {
return [...PREDEFINED_USERS];
}