surrealdb-core 3.2.0

A scalable, distributed, collaborative, document-graph database, for the realtime web
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91

//! Stores a grant associated with an access method
use std::borrow::Cow;

use anyhow::Result;
use storekey::{BorrowDecode, Encode};

use crate::catalog;
use crate::catalog::{DatabaseId, NamespaceId};
use crate::key::category::{Categorise, Category};
use crate::kvs::{KVKey, impl_kv_key_storekey};

#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Encode, BorrowDecode)]
pub(crate) struct AccessGrantKey<'a> {
	__: u8,
	_a: u8,
	pub ns: NamespaceId,
	_b: u8,
	pub db: DatabaseId,
	_c: u8,
	pub ac: Cow<'a, str>,
	_d: u8,
	_e: u8,
	_f: u8,
	pub gr: Cow<'a, str>,
}

impl_kv_key_storekey!(AccessGrantKey<'_> => catalog::AccessGrant);

pub fn new<'a>(ns: NamespaceId, db: DatabaseId, ac: &'a str, gr: &'a str) -> AccessGrantKey<'a> {
	AccessGrantKey::new(ns, db, ac, gr)
}

pub fn prefix(ns: NamespaceId, db: DatabaseId, ac: &str) -> Result<Vec<u8>> {
	let mut k = super::all::new(ns, db, ac).encode_key()?;
	k.extend_from_slice(b"!gr\x00");
	Ok(k)
}

pub fn suffix(ns: NamespaceId, db: DatabaseId, ac: &str) -> Result<Vec<u8>> {
	let mut k = super::all::new(ns, db, ac).encode_key()?;
	k.extend_from_slice(b"!gr\xff");
	Ok(k)
}

impl Categorise for AccessGrantKey<'_> {
	fn categorise(&self) -> Category {
		Category::DatabaseAccessGrant
	}
}

impl<'a> AccessGrantKey<'a> {
	pub fn new(ns: NamespaceId, db: DatabaseId, ac: &'a str, gr: &'a str) -> Self {
		Self {
			__: b'/',
			_a: b'*',
			ns,
			_b: b'*',
			db,
			_c: b'&',
			ac: Cow::Borrowed(ac),
			_d: b'!',
			_e: b'g',
			_f: b'r',
			gr: Cow::Borrowed(gr),
		}
	}
}

#[cfg(test)]
mod tests {
	use super::*;

	#[test]
	fn key() {
		let val = AccessGrantKey::new(NamespaceId(1), DatabaseId(2), "testac", "testgr");
		let enc = AccessGrantKey::encode_key(&val).unwrap();
		assert_eq!(enc, b"/*\x00\x00\x00\x01*\x00\x00\x00\x02&testac\0!grtestgr\0");
	}

	#[test]
	fn test_prefix() {
		let val = super::prefix(NamespaceId(1), DatabaseId(2), "testac").unwrap();
		assert_eq!(val, b"/*\x00\x00\x00\x01*\x00\x00\x00\x02&testac\0!gr\0");
	}

	#[test]
	fn test_suffix() {
		let val = super::suffix(NamespaceId(1), DatabaseId(2), "testac").unwrap();
		assert_eq!(val, b"/*\x00\x00\x00\x01*\x00\x00\x00\x02&testac\0!gr\xff");
	}
}