users.gno

 1package users
 2
 3import "gno.land/p/nt/avl/rotree"
 4
 5// ResolveName returns the latest UserData of a specific user by name or alias
 6func ResolveName(name string) (data *UserData, isCurrent bool) {
 7	raw, ok := nameStore.Get(name)
 8	if !ok {
 9		return nil, false
10	}
11
12	data = raw.(*UserData)
13	if data.deleted {
14		return nil, false
15	}
16
17	return data, name == data.username
18}
19
20// ResolveAddress returns the latest UserData of a specific user by address
21func ResolveAddress(addr address) *UserData {
22	raw, ok := addressStore.Get(addr.String())
23	if !ok {
24		return nil
25	}
26
27	data := raw.(*UserData)
28	if data.deleted {
29		return nil
30	}
31
32	return data
33}
34
35// ResolveAny tries to resolve any given string to *UserData
36// If the input is not found in the registry in any form, nil is returned
37func ResolveAny(input string) (*UserData, bool) {
38	addr := address(input)
39	if addr.IsValid() {
40		return ResolveAddress(addr), true
41	}
42
43	return ResolveName(input)
44}
45
46// GetReadonlyAddrStore exposes the address store in readonly mode
47func GetReadonlyAddrStore() *rotree.ReadOnlyTree {
48	return rotree.Wrap(addressStore, makeUserDataSafe)
49}
50
51// GetReadOnlyNameStore exposes the name store in readonly mode
52func GetReadOnlyNameStore() *rotree.ReadOnlyTree {
53	return rotree.Wrap(nameStore, makeUserDataSafe)
54}
55
56func makeUserDataSafe(data any) any {
57	cpy := new(UserData)
58	*cpy = *(data.(*UserData))
59	if cpy.deleted {
60		return nil
61	}
62
63	// Note: when requesting data from this AVL tree, (exists bool) will be true
64	// Even if the data is "deleted". This is currently unavoidable
65	return cpy
66}