I'll give an example. At my previous company there was a program where you basically select a start date, select an end date, select the system and press a button and it reaches out to a database and pulls all the data following that matches those parameters. The horrors of this were 1. The queries were hard coded.

They were stored in a configuration file, in xml format.
The queries were not 1 entry. It was 4, a start, the part between start date and end date, the part between end date and system and then the end part. All of these were then concatenated in the program intermixed with variables.
This was then sent to the server as pure sql, no orm.
Here's my favorite part. You obviously don't want anyone modifying the configuration file so they encrypted it. Now I know what you're thinking at some point you probably will need to modify or add to the configuration so you store an unencrypted version in a secure location. Nope! The program had the ability to encrypt and decrypt but there were no visible buttons to access those functions. The program was written in winforms. You had to open the program in visual studio, manually expand the size of the window(locked size in regular use) and that shows the buttons. Now run the program in debug. Press the decrypt button. DO NOT EXIT THE PROGRAM! Edit the file in a text editor. Save file. Press the encrypt button. Copy the encrypted file to any other location on your computer. Close the program. Manually email the encrypted file to anybody using the file.

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[–] jjjalljs@ttrpg.network 25 points 1 day ago (1 children)

There was a website where users could request something or other, like a PDF report. Users had a limited number of tokens per month.

The client would make a call to the backend and say how many tokens it was spending. The backend would then update their total, make the PDF, and send it.

Except this is stupid. First of all, if you told it you were spending -1 tokens, it would happily accept this and give you a free token along with your report.

Second of all, why is the client sending that at all? The client should just ask and the backend should figure out if they have enough credit or not.

[–] vrek@programming.dev 12 points 1 day ago

I agree but I would say if there are variable token costs depending on report it would be nice if client sent request to server, server calculates x tokens to be used, sends x to client, client confirms that's acceptable, server does work.

Like if I expected a report to be 2 tokens but because of some quirk or a typo or something it cost 200 tokens I would like a chance to cancel it if it's not worth it.