Filters are borked

[Jourdin]

Severity
Moderate

Frequency
All of the time (100%)

Time of occurrence
00:05 CET

Date of occurrence
050318

VR?
None / N/A

Location
LESHEIMA

Ship/SRV?
Ship

Ship Type
Type-9

Commander Name
Jourdin

Description
I was trying to find Personal Weapons for a contract, supply Station with X kind, in DOCLEACHI. A few trading data buys later and I find a very close source indeed. I found it curious it was a prohibited ware but hey, close right?
No personal weapons to be had. I have checked several times now. 100% failure rate on your end to get basic data about your own game right. To put it bluntly in pseduocode.

// How to determine if a system is actually exporting a commodity:
public boolean determingIfSystemIsExportingCommodity(System system, COMMODITY soughtCommodity) {
for(Station station : system.getStations) {
if(station.sellsCommodity(soughtCommodity) &&
station.hasCommodity(soughtCommodity)) {
return true;
}}}

Just a thought... Simple, clean, testable... And as rude as I am, how frustrating do you think this is? Imagine being a new player and running into this.

Steps to Reproduce
1: Go to DOCLEACHI and land on AL-HAYTHAM STATION.
2: Go to commodity screen and find PERSONAL WEAPONS. Note the exporting systems. Find LESHEIMA.
3: Buy trading data of LESHEIMA in Galaxy Map.
4: Realise that you are now being trolled by the games developer as each station prohibits PERSONAL WEAPONS when checking System Map.
5: Decide to visit each station anyway to buy said PERSONAL WEAPONS.
6: There you go, did you find any to sell?

Additional files?
https://drive.google.com/file/d/1KyLlfB8kRgkwtRX5Z2J-TaPmMPbqvDq6/view?usp=sharing