MRC Canteen Monitor

Monitor MRC canteen order tokens and notify when they're ready for pickup.

Quick Start

When user sends any command containing canteen tokens:

1. Extract all token numbers from the message
2. Start the background monitor script
3. Respond immediately with confirmation

Command Recognition

Users may send tokens with various prefixes:

• "mrc 73" or "mrc 73 97 42"
• "token 73" or "token 73 97"
• "monitor 73"
• "check 73" (one-time check only)

Starting the Monitor

Extract all numbers from the user message and start the background monitor:

python3 skills/mrc-monitor/scripts/monitor.py <platform> <channel_id> <token1> <token2> ...

Where:

• platform: "telegram" or "discord"
• channel_id: Current channel identifier (platform prefix is optional, e.g., telegram_123 or 123 both work)
• token1, token2, ...: Token numbers to monitor

Example:

python3 skills/mrc-monitor/scripts/monitor.py telegram telegram_6046286675 73 97 42
# or
python3 skills/mrc-monitor/scripts/monitor.py telegram 6046286675 73 97 42

Background Execution

Start the monitor as a background process so the agent responds immediately:

import subprocess

# channel_id can be with or without platform prefix (both work)
cmd = ['python3', 'skills/mrc-monitor/scripts/monitor.py',
       platform, channel_id] + [str(t) for t in tokens]
subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)

Agent Response

After starting the monitor, respond immediately with:

✅ Monitoring tokens: 73, 97, 42
Checking every 15 seconds.
I'll notify you here when they're ready! 🍕

One-Time Check

For "check 73" commands, perform a single Firebase query and respond with status without starting a background monitor.

Monitor Behavior

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The monitor script:

• Polls Firebase Firestore every 15 seconds
• Checks all monitored tokens in each poll
• Sends "🍕 Order X is ready!" notification when a token's status is "Ready"
• Removes notified tokens from the watch list
• Exits automatically when all tokens are notified
• Handles errors gracefully with retries
• Logs all activity to skills/mrc-monitor/logs/monitor_YYYYMMDD_HHMMSS.log

Error Handling

The script automatically handles:

• Network timeouts (retries up to 5 times)
• HTTP errors (including rate limits)
• Unexpected errors (stops after 5 consecutive failures)
• Signal termination (SIGTERM, SIGINT)

On fatal errors, the script sends a notification before exiting.

Firebase Details

• Project: kanteen-mrc-blr-24cfa
• Collection: orders
• Document fields:
  • studentId (string): "student-{token_number}"
  • status (string): "Preparing", "Ready", "Completed"

这是一款实用的食堂订单监控工具，能自动追踪多个订单状态并在餐食就绪时及时通知你，省去了反复刷新查看的麻烦。文档说明详细易懂，工具运行稳定，错误处理机制完善，遇到网络问题会自动重试。唯一的不足是配置方式略显简陋，整体功能比较单一，仅针对 MRC 食堂场景使用。总体而言质量不错，是同类场景中的良好解决方案。