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Fix cutoff is not defined (charts fail silently) + add Today/3d ranges + vendor Chart.js #103

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Fix cutoff is not defined (charts fail silently) + add Today/3d ranges + vendor Chart.js #103

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20 changes: 20 additions & 0 deletions chart.umd.min.js
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36 changes: 32 additions & 4 deletions dashboard.py
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ def get_dashboard_data(db_path=DB_PATH):
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Claude Code Usage Dashboard</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js"></script>
<script src="/static/chart.umd.min.js"></script>
<style>
:root {
--bg: #0f1117;
Expand Down Expand Up @@ -235,6 +235,8 @@ def get_dashboard_data(db_path=DB_PATH):
<div class="filter-sep"></div>
<div class="filter-label">Range</div>
<div class="range-group">
<button class="range-btn" data-range="today" onclick="setRange('today')">Today</button>
<button class="range-btn" data-range="3d" onclick="setRange('3d')">3d</button>
<button class="range-btn" data-range="week" onclick="setRange('week')">This Week</button>
<button class="range-btn" data-range="month" onclick="setRange('month')">This Month</button>
<button class="range-btn" data-range="prev-month" onclick="setRange('prev-month')">Prev Month</button>
Expand Down Expand Up @@ -481,8 +483,8 @@ def get_dashboard_data(db_path=DB_PATH):
const MODEL_COLORS = ['#d97757','#4f8ef7','#4ade80','#a78bfa','#fbbf24','#f472b6','#34d399','#60a5fa'];

// ── Time range ─────────────────────────────────────────────────────────────
const RANGE_LABELS = { 'week': 'This Week', 'month': 'This Month', 'prev-month': 'Previous Month', '7d': 'Last 7 Days', '30d': 'Last 30 Days', '90d': 'Last 90 Days', 'all': 'All Time' };
const RANGE_TICKS = { 'week': 7, 'month': 15, 'prev-month': 15, '7d': 7, '30d': 15, '90d': 13, 'all': 12 };
const RANGE_LABELS = { 'today': 'Today', '3d': 'Last 3 Days', 'week': 'This Week', 'month': 'This Month', 'prev-month': 'Previous Month', '7d': 'Last 7 Days', '30d': 'Last 30 Days', '90d': 'Last 90 Days', 'all': 'All Time' };
const RANGE_TICKS = { 'today': 1, '3d': 3, 'week': 7, 'month': 15, 'prev-month': 15, '7d': 7, '30d': 15, '90d': 13, 'all': 12 };
const VALID_RANGES = Object.keys(RANGE_LABELS);

function rangeIncludesToday(range) {
Expand All @@ -498,6 +500,14 @@ def get_dashboard_data(db_path=DB_PATH):
if (range === 'all') return { start: null, end: null };
const today = new Date();
const iso = d => d.toISOString().slice(0, 10);
if (range === 'today') {
const t = iso(today);
return { start: t, end: t };
}
if (range === '3d') {
const d = new Date(today); d.setDate(today.getDate() - 2);
return { start: iso(d), end: iso(today) };
}
if (range === 'week') {
const day = today.getDay();
const diffToMon = day === 0 ? 6 : day - 1;
Expand Down Expand Up @@ -742,7 +752,7 @@ def get_dashboard_data(db_path=DB_PATH):

// Hourly aggregation (filtered by model + range, then bucketed by UTC hour)
const hourlySrc = (rawData.hourly_by_model || []).filter(r =>
selectedModels.has(r.model) && (!cutoff || r.day >= cutoff)
selectedModels.has(r.model) && (!start || r.day >= start) && (!end || r.day <= end)
);
const hourlyAgg = aggregateHourly(hourlySrc, hourlyTZ);

Expand Down Expand Up @@ -1245,9 +1255,27 @@ def do_GET(self):
if self.path in ("/", "/index.html"):
self.send_response(200)
self.send_header("Content-Type", "text/html; charset=utf-8")
self.send_header("Cache-Control", "no-store, no-cache, must-revalidate")
self.send_header("Pragma", "no-cache")
self.end_headers()
self.wfile.write(HTML_TEMPLATE.encode("utf-8"))

elif self.path == "/static/chart.umd.min.js":
# Vendored Chart.js — avoids CDN being blocked by ad blockers / shields
try:
p = Path(__file__).parent / "chart.umd.min.js"
body = p.read_bytes()
self.send_response(200)
self.send_header("Content-Type", "application/javascript")
self.send_header("Content-Length", str(len(body)))
self.send_header("Cache-Control", "public, max-age=86400")
self.end_headers()
self.wfile.write(body)
except Exception as e:
self.send_response(500)
self.end_headers()
self.wfile.write(f"Chart.js missing: {e}".encode())

elif self.path == "/api/data":
data = get_dashboard_data()
body = json.dumps(data).encode("utf-8")
Expand Down