Claude Code Usage Monitor — installer for team members' laptops (POST daily ccusage data to Rails webhook)

install.sh

#!/bin/bash
# Claude Code Usage Monitor — installer untuk laptop programmer
# Cara pakai: bash install.sh <nama> <webhook_url> [bearer_token]
# Contoh   : bash install.sh budi "https://app.rumatkita.com/ccusage_reports" "secret123"

set -e

NAME="$1"
WEBHOOK="$2"
TOKEN="$3"

if [ -z "$NAME" ] || [ -z "$WEBHOOK" ]; then
  echo "Usage: bash install.sh <nama> <webhook_url> [bearer_token]"
  exit 1
fi

command -v python3 >/dev/null 2>&1 || { echo "Butuh python3 (sudah default di macOS). Install: brew install python"; exit 1; }

mkdir -p "$HOME/.claude"
PY="$HOME/.claude/ccusage-report.py"
SCRIPT="$HOME/.claude/ccusage-report.sh"

# --- Python parser ---
cat > "$PY" <<'PYEOF'
#!/usr/bin/env python3
"""Aggregate Claude Code daily usage from ~/.claude/projects/**/*.jsonl

Output (ccusage-compatible):
  {"daily": [{"date": "YYYY-MM-DD", "inputTokens": N, ...}]}
"""
import json, os, sys, glob, argparse
from datetime import datetime, timezone, timedelta
from collections import defaultdict

def main():
    ap = argparse.ArgumentParser()
    ap.add_argument('--days', type=int, default=1,
                    help='Jumlah hari ke belakang yang dimasukkan (default 1 = hari ini saja)')
    args = ap.parse_args()

    today = datetime.now(timezone.utc).date()
    since_date = today - timedelta(days=args.days - 1)

    home = os.path.expanduser('~')
    pattern = os.path.join(home, '.claude', 'projects', '**', '*.jsonl')
    files = glob.glob(pattern, recursive=True)

    daily = defaultdict(lambda: {
        'in': 0, 'out': 0, 'cwrite': 0, 'cread': 0, 'models': set()
    })
    seen = set()

    for f in files:
        try:
            with open(f, 'r', errors='ignore') as fp:
                for line in fp:
                    line = line.strip()
                    if not line:
                        continue
                    try:
                        e = json.loads(line)
                    except json.JSONDecodeError:
                        continue
                    msg = e.get('message')
                    if not isinstance(msg, dict):
                        continue
                    usage = msg.get('usage')
                    if not isinstance(usage, dict):
                        continue
                    mid = msg.get('id')
                    if mid and mid in seen:
                        continue
                    if mid:
                        seen.add(mid)
                    ts = e.get('timestamp')
                    if not ts:
                        continue
                    try:
                        dt = datetime.fromisoformat(ts.replace('Z', '+00:00')).date()
                    except ValueError:
                        continue
                    if dt < since_date:
                        continue
                    key = dt.isoformat()
                    daily[key]['in']     += int(usage.get('input_tokens') or 0)
                    daily[key]['out']    += int(usage.get('output_tokens') or 0)
                    daily[key]['cwrite'] += int(usage.get('cache_creation_input_tokens') or 0)
                    daily[key]['cread']  += int(usage.get('cache_read_input_tokens') or 0)
                    model = msg.get('model')
                    if model:
                        daily[key]['models'].add(model)
        except (IOError, OSError):
            continue

    out = {
        'daily': [
            {
                'date': d,
                'inputTokens': v['in'],
                'outputTokens': v['out'],
                'cacheCreationTokens': v['cwrite'],
                'cacheReadTokens': v['cread'],
                'totalCost': 0,
                'modelsUsed': sorted(v['models']),
            }
            for d, v in sorted(daily.items())
        ]
    }
    print(json.dumps(out))

if __name__ == '__main__':
    main()
PYEOF
chmod +x "$PY"

# --- Shell wrapper for cron ---
cat > "$SCRIPT" <<EOF
#!/bin/bash
# Auto-generated. Jangan diedit manual.
NAME="$NAME"
WEBHOOK="$WEBHOOK"
TOKEN="$TOKEN"

DAILY=\$(python3 "$PY" --days 1 2>/dev/null)
if [ -z "\$DAILY" ]; then
  echo "Tidak ada data usage hari ini"
  exit 0
fi

TS=\$(date -u +%Y-%m-%dT%H:%M:%SZ)
PAYLOAD=\$(printf '{"user":"%s","timestamp":"%s","daily":%s}' "\$NAME" "\$TS" "\$DAILY")

AUTH_HEADER=()
if [ -n "\$TOKEN" ]; then
  AUTH_HEADER=(-H "Authorization: Bearer \$TOKEN")
fi

curl -s -X POST "\$WEBHOOK" \\
  -A "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36" \\
  -H "Content-Type: application/json" \\
  "\${AUTH_HEADER[@]}" \\
  -d "\$PAYLOAD"
echo ""
EOF

chmod +x "$SCRIPT"

# --- Cron: tiap hari setiap jam (menit 0) ---
CRON_LINE="0 * * * * $SCRIPT >> $HOME/.claude/ccusage-report.log 2>&1"
( crontab -l 2>/dev/null | grep -v 'ccusage-report.sh' ; echo "$CRON_LINE" ) | crontab -

echo ""
echo "Terpasang:"
echo "  Parser : $PY"
echo "  Wrapper: $SCRIPT"
echo "  Cron   : tiap hari setiap jam (menit 0)"
echo ""
echo "Test sekarang (kirim data hari ini):"
echo "  $SCRIPT"
echo ""
echo "Cek data minggu terakhir (tanpa kirim):"
echo "  python3 $PY --days 7"