categoryDelete function
Implementation
Future<String?> categoryDelete(CategoryData val) async {
try{
await FirebaseFirestore.instance.collection("category").doc(val.id).delete();
await FirebaseFirestore.instance.collection("settings").doc("main")
.set({"category_count": FieldValue.increment(-1)}, SetOptions(merge:true));
if (val.id == currentCategory.id)
currentCategory = CategoryData.createEmpty();
categories.remove(val);
}catch(ex){
return ex.toString();
}
return null;
}