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🦦 TimeOtter 🦦

A utility that integrates with Google Calendar and helps you run scheduled calendar alarms and execute commands based on them. In other words execute commands based on your calendars

(ie. Calendar Driven Task Execution)

Setup Instructions 🪛

Follow the instructions below to set up and use the Time Otter:

Step 1: Generate Google Calendar OAuth Token 📅

Before you can use TimeOtter, you need to authenticate your Google Calendar access.

  1. Visit the Google Developer Console.
  2. Create a new project.
  3. Enable the Google Calendar API for the project.
  4. Create OAuth 2.0 credentials for your project.
  5. Download the credentials JSON file.

Use this JSON file to generate the OAuth token for your Google Calendar. You can find instructions on how to generate the OAuth token in Google's API documentation.

Once you have the OAuth token, save it to the following location:

~/.cal-token.json

Step 2: Configure the Variables in config.toml ⚙️

After obtaining the OAuth token, configure the required variables in the config.toml file.

Conviniently located at ~/.config/timeotter/config.toml

Here's an example of what you need to set:

# config.toml

CalendarID = "[email protected]"  # Replace with your Google Calendar email address or primary for default calendar
CmdToExec  = "mpv ~/video.mp4"       # Replace with the command you wish to execute when the alarm triggers
MaxRes     = 2                        # Number of results to fetch from Google Calendar API (adjust as necessary) advised to set below 10 for safety
TokenFile  = "~/.cal-token.json"      # Path to your OAuth token

Step 3: Modify Crontab to Integrate with TimeOtter ⏳

In order for Time Otter to manage your calendar alarms, you need to add the following comment to the ==end== your crontab:

# custom crons below this can be deleted.

This comment marks the entry point for the app to schedule cron jobs.

Do not add any crons below this comment, as these will be deleted when the app runs.

🚨🚨 Important Notes 🚨🚨:

  • Before making any changes to your crontab, take a backup of your existing cron jobs. You can do this by running:

    crontab -l > crontab-backup.txt

  • After adding the comment, you can proceed with running the application. Time Otter will automatically schedule your calendar-based alarms.

Step 4: Running the Application 🏄‍♀️

Once you have completed the configuration, you're good to run the application. TimeOtter will fetch events from your Google Calendar and run the corresponding commands when the events are triggered.

Simply execute the program to start syncing your calendar alarms and running the commands you've configured.

go run time_otter.go

🧑‍🎤 Running the Application as a Cron Job

Once you have completed the configuration, you're ready to run Time Otter as a cron job. This allows Time Otter to automatically check your Google Calendar and execute the corresponding commands on a regular basis.

👨‍💻 Installation

To install Time Otter globally on your system, use the following command:

go install github.com/bupd/timeotter/cmd/timeotter@latest

Make sure you have Go set up correctly in your environment before running the above command.

🧠 Step 4.2: Add the Cron Job

Once Time Otter is installed, you need to add a cron job that runs Time Otter at regular intervals. This ensures that your calendar events are checked, and the configured commands are executed as scheduled.

You can add the following cron job to your crontab:

For running the job every hour:

0 * * * * timeotter

For running the job every 30 minutes:

*/30 * * * * timeotter

Important: Make sure to add this cron job above the comment # custom crons below this can be deleted. in your crontab.

This will ensure that Time Otter will execute as scheduled, while also keeping your custom cron jobs intact.

Once the cron job is set up, Time Otter will automatically run at the specified intervals, sync with your Google Calendar, and trigger the corresponding alarms and commands.

You're now all set! Enjoy automated calendar management with Time Otter!

/s Happy abusing Technology 🤩