Skip to content

feat: subscription vs API comparison (from PR #27) #35

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vakovalskii merged 1 commit into from
Apr 7, 2026
Merged

feat: subscription vs API comparison (from PR #27) #35

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
78 changes: 78 additions & 0 deletions src/frontend/app.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,34 @@ function estimateCost(fileSize) {
return tokens * 0.3 * (3.0 / 1e6) + tokens * 0.7 * (15.0 / 1e6);
}

// ── Subscription config helpers ──────────────────────────────────
function getSubscriptionConfig() {
var raw = JSON.parse(localStorage.getItem('codedash-subscription') || 'null');
if (!raw) return { entries: [] };
// Migrate old single-entry format {plan, paid} → new multi-period {entries: [...]}
if (!raw.entries) return { entries: [{ plan: raw.plan || 'Subscription', paid: raw.paid || 0, from: '' }] };
return raw;
}
function saveSubscriptionConfig(cfg) { localStorage.setItem('codedash-subscription', JSON.stringify(cfg)); }
function subTotalPaid(entries) { return entries.reduce(function(s,e){return s+(parseFloat(e.paid)||0);},0); }
function addSubEntry() {
var plan = (document.getElementById('sub-new-plan').value || '').trim();
var paid = parseFloat(document.getElementById('sub-new-paid').value) || 0;
var from = (document.getElementById('sub-new-from').value || '').trim();
if (!paid) return;
var cfg = getSubscriptionConfig();
cfg.entries.push({ plan: plan || 'Subscription', paid: paid, from: from });
cfg.entries.sort(function(a,b){return (a.from||'').localeCompare(b.from||'');});
saveSubscriptionConfig(cfg);
render();
}
function removeSubEntry(idx) {
var cfg = getSubscriptionConfig();
cfg.entries.splice(idx, 1);
saveSubscriptionConfig(cfg);
render();
}

async function loadRealCost(sessionId, project) {
try {
var resp = await fetch('/api/cost/' + sessionId + '?project=' + encodeURIComponent(project));
Expand Down Expand Up @@ -1881,6 +1909,56 @@ async function renderAnalytics(container) {
html += '</div>';
}

// ── Subscription vs API ────────────────────────────────────
var sub = getSubscriptionConfig();
var subEntries = (sub && sub.entries) || [];
var totalPaid = subTotalPaid(subEntries);
html += '<div class="chart-section subscription-section">';
html += '<h3>Subscription vs API</h3>';

if (totalPaid > 0) {
var savings = data.totalCost - totalPaid;
var multiplier = data.totalCost / totalPaid;
var savingsPositive = savings > 0;
var breakdown = subEntries.map(function(e) {
return escHtml(e.plan || 'Sub') + ' $' + parseFloat(e.paid).toFixed(0);
}).join(' + ');
html += '<div class="sub-comparison">';
html += '<div class="sub-card sub-paid"><span class="sub-val">$' + totalPaid.toFixed(2) + '</span><span class="sub-label">Paid (' + breakdown + ')</span></div>';
html += '<div class="sub-card sub-api"><span class="sub-val">$' + data.totalCost.toFixed(2) + '</span><span class="sub-label">Would cost at API rates</span></div>';
html += '<div class="sub-card ' + (savingsPositive ? 'sub-savings' : 'sub-loss') + '"><span class="sub-val">' + (savingsPositive ? '+' : '') + '$' + Math.abs(savings).toFixed(2) + '</span><span class="sub-label">' + (savingsPositive ? 'Saved (' + multiplier.toFixed(1) + '\u00d7 ROI)' : 'API would be cheaper') + '</span></div>';
html += '</div>';
var barPct = Math.min(100, data.totalCost > 0 ? (totalPaid / data.totalCost * 100) : 100);
html += '<div class="sub-bar-track" title="$' + totalPaid.toFixed(2) + ' paid of $' + data.totalCost.toFixed(2) + ' API equivalent">';
html += '<div class="sub-bar-fill" style="width:' + barPct + '%"></div>';
html += '</div>';
} else {
html += '<p class="sub-hint">Add your subscription periods below to see how much you\'re saving vs API rates.</p>';
}

// Period list
html += '<div class="sub-entries">';
if (subEntries.length > 0) {
subEntries.forEach(function(e, i) {
html += '<div class="sub-entry-row">';
html += '<span class="sub-entry-plan">' + escHtml(e.plan || '\u2014') + '</span>';
html += '<span class="sub-entry-paid">$' + parseFloat(e.paid || 0).toFixed(2) + '</span>';
html += '<span class="sub-entry-from">' + (e.from ? 'from ' + e.from : 'no date') + '</span>';
html += '<button class="sub-entry-remove" onclick="removeSubEntry(' + i + ')" title="Remove">\u00d7</button>';
html += '</div>';
});
}
html += '</div>';

// Add form
html += '<div class="sub-add-form">';
html += '<input id="sub-new-plan" type="text" placeholder="Plan (Pro, Max\u2026)" />';
html += '<input id="sub-new-paid" type="number" min="0" step="0.01" placeholder="Amount ($)" />';
html += '<input id="sub-new-from" type="date" title="Start date of this billing period" />';
html += '<button onclick="addSubEntry()">+ Add period</button>';
html += '</div>';
html += '</div>';

// ── Daily cost chart ───────────────────────────────────────
var dayKeys = Object.keys(data.byDay).sort();
var last30 = dayKeys.slice(-30);
Expand Down
106 changes: 106 additions & 0 deletions src/frontend/styles.css
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2116,6 +2116,112 @@ body {
.token-cache-create { border-color: rgba(251, 191, 36, 0.3); }
.token-context { border-color: rgba(168, 85, 247, 0.3); }

/* ── Subscription vs API ──────────────────────────────────── */

.subscription-section { margin-top: 8px; }

.sub-comparison {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
gap: 10px;
margin-bottom: 12px;
}

.sub-card {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 8px;
padding: 14px;
text-align: center;
}

.sub-val { font-size: 20px; font-weight: 700; display: block; }
.sub-label { font-size: 11px; color: var(--text-muted); display: block; margin-top: 4px; }

.sub-paid .sub-val { color: var(--text); }
.sub-api .sub-val { color: var(--accent-blue, #60a5fa); }
.sub-savings .sub-val { color: var(--accent-green); }
.sub-loss .sub-val { color: var(--accent-red, #f87171); }

.sub-bar-track {
height: 8px;
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 4px;
margin-bottom: 14px;
overflow: hidden;
}

.sub-bar-fill {
height: 100%;
background: var(--accent-green);
border-radius: 4px;
transition: width 0.3s;
}

.sub-hint {
color: var(--text-muted);
font-size: 13px;
margin: 8px 0;
}

.sub-entries { margin-bottom: 10px; }

.sub-entry-row {
display: flex;
align-items: center;
gap: 12px;
padding: 6px 0;
border-bottom: 1px solid var(--border);
font-size: 13px;
}

.sub-entry-plan { font-weight: 600; min-width: 80px; }
.sub-entry-paid { color: var(--accent-green); min-width: 70px; }
.sub-entry-from { color: var(--text-muted); flex: 1; }
.sub-entry-remove {
background: none;
border: none;
color: var(--text-muted);
cursor: pointer;
font-size: 16px;
padding: 2px 6px;
border-radius: 4px;
}
.sub-entry-remove:hover { background: rgba(248, 113, 113, 0.15); color: var(--accent-red, #f87171); }

.sub-add-form {
display: flex;
gap: 8px;
align-items: center;
flex-wrap: wrap;
}

.sub-add-form input {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 6px;
padding: 6px 10px;
color: var(--text);
font-size: 13px;
}

.sub-add-form input[type="text"] { width: 130px; }
.sub-add-form input[type="number"] { width: 100px; }
.sub-add-form input[type="date"] { width: 140px; }

.sub-add-form button {
background: var(--accent-blue, #60a5fa);
color: #fff;
border: none;
border-radius: 6px;
padding: 6px 14px;
cursor: pointer;
font-size: 13px;
font-weight: 600;
}
.sub-add-form button:hover { opacity: 0.85; }

/* ── Update banner ──────────────────────────────────────────── */

.update-banner {
Expand Down
Loading