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hackbot money

A hackbot script to help us check how much money we need.

Setting up the spreadsheet

First, make a new Google spreadsheet tracking money in whatever way you'd like.

Next, make two cells in the same row, one with the total $ received and one with the total $ outstanding. Hackbot money requires that they be in the same row in two different columns, one after the other.

... Total $ received Total $ outstanding ...
... 1000 99000 ...
... ... ... ...

Make sure that these cells display the amounts without a dollar sign (e.g. 1000, not $1000). See here if you're not sure how to do this.

For hackbot to view the sheet, you need to invite our Google Service Account email to be able to view the sheet. Run !serviceaccount in the HackMIT Slack to see the email.

!serviceaccount

Finally, copy the Google Sheets URL hash -- the thing at https://docs.google.com/spreadsheets/d/${URL_HASH}/.

Connecting hackbot to the spreadsheet

Hackbot needs five configuration variables for the spreadsheet.

  1. money.spreadsheet.url: the hash from the spreadsheet URL.
hackbot conf set money.spreadsheet.url "paste in the hash here"
  1. money.spreadsheet.tabname: the name of the Google Sheets tab that contains the two cells.
hackbot conf set money.spreadsheet.tabname "Money"
  1. money.row: the row you put the "total $ outstanding" and "total $ received" cells in. The rows are 1-indexed.
hackbot conf set money.row "1"
  1. money.received.col: the column you put the "total $ received" cell in. The columns are 1-indexed.
hackbot conf set money.received.col "1"
  1. money.outstanding.col: the column you put the "total $ outstanding" cell in, directly to the right of the "total $ received" cell. The columns are 1-indexed.
hackbot conf set money.outstanding.col "2"

You can also check what the previous settings were for reference.

> hackbot conf get money.spreadsheet.url
money.spreadsheet.url = "abc123"
> hackbot conf get money.spreadsheet.tabname
money.spreadsheet.tabname = "Companies"
> hackbot conf get money.row
money.row = "1"
> hackbot conf get money.received.col
money.received.col = "4"
> hackbot conf get money.outstanding.col
money.outstanding.col = "5"

This script is clearly very restrictive. You're welcome to refactor it to be more permissive.

Once you've set these variables, run hackbot money or hackbot $ to see the the numbers!

> hackbot money
Received: $1K
Outstanding: $99K
Total: $100K

Hackbot money checks the money spreadsheet every 10 minutes and updates the channel topic with new amounts if they've changed. It uses the money.channel config variable to know which channel's topic to update.

> hackbot conf get money.channel
money.channel = "cr"

Credentials

Hackbot money requires a Google service account to view the spreadsheet. The credentials for this service account are in a file called hackmit-money-2015-credentials.json.

If the json file on the EC2 instance becomes out of date, follow these steps to get a new one.

  • Go to console.developers.google.com and create a project if you do not have one already for hackbot.
  • Create a service account
  • Enable the Google Drive API
  • Download credentials as json.
  • Get it onto the EC2 instance using scp or something.
  • Invite the service account to the spreadsheet using the @developers.gserviceaccounts.com email as mentioned above