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Firebase

Google Firebase snippets and backend glue.

Set Firebase custom user claims with a Cloud Function cover image
Firebase,  Code

Set Firebase custom user claims with a Cloud Function

Callable Cloud Function that calls setCustomUserClaims, plus Firestore rules and client checks for a moderator claim.

Portfolio Ticker — a tiny monitor for investments scattered across brokers cover image
Technology,  Code,  Firebase,  Tools,  Personal

Portfolio Ticker — a tiny monitor for investments scattered across brokers

I had stocks and ETFs across three platforms and no single place to see them. So I built one, and left it open for anyone else to use.

Portfolio Ticker four months on — ROI/yr, year returns, and a real order log cover image
Tools,  Technology,  Code,  Firebase,  Personal

Portfolio Ticker four months on — ROI/yr, year returns, and a real order log

Living with Portfolio Ticker exposed the gaps — annualized ROI, calendar-year returns, and what happens when you sell. Here is what I added.