86 lines
1.8 KiB
Rust
86 lines
1.8 KiB
Rust
use crate::sql::id::Id;
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use derive::Key;
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use serde::{Deserialize, Serialize};
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#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Key)]
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pub struct Thing<'a> {
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__: u8,
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_a: u8,
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pub ns: &'a str,
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_b: u8,
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pub db: &'a str,
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_c: u8,
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pub tb: &'a str,
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_d: u8,
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pub id: Id,
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}
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pub fn new<'a>(ns: &'a str, db: &'a str, tb: &'a str, id: &Id) -> Thing<'a> {
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Thing::new(ns, db, tb, id.to_owned())
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}
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pub fn prefix(ns: &str, db: &str, tb: &str) -> Vec<u8> {
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let mut k = super::table::new(ns, db, tb).encode().unwrap();
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k.extend_from_slice(&[0x2a, 0x00]);
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k
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}
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pub fn suffix(ns: &str, db: &str, tb: &str) -> Vec<u8> {
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let mut k = super::table::new(ns, db, tb).encode().unwrap();
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k.extend_from_slice(&[0x2a, 0xff]);
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k
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}
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impl<'a> Thing<'a> {
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pub fn new(ns: &'a str, db: &'a str, tb: &'a str, id: Id) -> Self {
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Self {
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__: 0x2f, // /
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_a: 0x2a, // *
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ns,
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_b: 0x2a, // *
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db,
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_c: 0x2a, // *
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tb,
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_d: 0x2a, // *
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id,
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}
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}
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn key() {
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use super::*;
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#[rustfmt::skip]
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let val = Thing::new(
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"test",
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"test",
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"test",
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"test".into(),
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);
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let enc = Thing::encode(&val).unwrap();
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let dec = Thing::decode(&enc).unwrap();
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assert_eq!(val, dec);
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}
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#[test]
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fn key_complex() {
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use super::*;
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//
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let id1 = "['test']";
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let (_, id1) = crate::sql::id::id(id1).expect("Failed to parse the ID");
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let val = Thing::new("test", "test", "test", id1);
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let enc = Thing::encode(&val).unwrap();
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let dec = Thing::decode(&enc).unwrap();
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assert_eq!(val, dec);
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println!("---");
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//
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let id2 = "['f8e238f2-e734-47b8-9a16-476b291bd78a']";
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let (_, id2) = crate::sql::id::id(id2).expect("Failed to parse the ID");
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let val = Thing::new("test", "test", "test", id2);
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let enc = Thing::encode(&val).unwrap();
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let dec = Thing::decode(&enc).unwrap();
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assert_eq!(val, dec);
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println!("---");
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}
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}
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