surrealpatch/lib/src/sql/value/every.rs
2023-08-11 15:47:54 +00:00

120 lines
4 KiB
Rust

use crate::sql::idiom::Idiom;
use crate::sql::part::Part;
use crate::sql::value::Value;
impl Value {
pub(crate) fn every(&self, path: Option<&[Part]>, steps: bool, arrays: bool) -> Vec<Idiom> {
match path {
Some(path) => self.pick(path)._every(steps, arrays, Idiom::from(path)),
None => self._every(steps, arrays, Idiom::default()),
}
}
fn _every(&self, steps: bool, arrays: bool, prev: Idiom) -> Vec<Idiom> {
match self {
// Current path part is an object and is not empty
Value::Object(v) if !v.is_empty() => match steps {
// Let's log all intermediary nodes
true if !prev.is_empty() => Some(prev.clone())
.into_iter()
.chain(v.iter().flat_map(|(k, v)| {
let p = Part::from(k.to_owned());
v._every(steps, arrays, prev.clone().push(p))
}))
.collect::<Vec<_>>(),
// Let's not log intermediary nodes
_ => v
.iter()
.flat_map(|(k, v)| {
let p = Part::from(k.to_owned());
v._every(steps, arrays, prev.clone().push(p))
})
.collect::<Vec<_>>(),
},
// Current path part is an array and is not empty
Value::Array(v) if !v.is_empty() => match arrays {
// Let's log all individual array items
true => std::iter::once(prev.clone())
.chain(v.iter().enumerate().rev().flat_map(|(i, v)| {
let p = Part::from(i.to_owned());
v._every(steps, arrays, prev.clone().push(p))
}))
.collect::<Vec<_>>(),
// Let's not log individual array items
false => vec![prev],
},
// Process everything else
_ => vec![prev],
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::sql::idiom::Idiom;
use crate::sql::test::Parse;
#[test]
fn every_with_empty_objects_arrays() {
let val = Value::parse("{ test: {}, status: false, something: {age: 45}, tags: []}");
let res = vec![
Idiom::parse("something.age"),
Idiom::parse("status"),
Idiom::parse("tags"),
Idiom::parse("test"),
];
assert_eq!(res, val.every(None, false, false));
}
#[test]
fn every_without_array_indexes() {
let val = Value::parse("{ test: { something: [{ age: 34, tags: ['code', 'databases'] }, { age: 36, tags: ['design', 'operations'] }] } }");
let res = vec![Idiom::parse("test.something")];
assert_eq!(res, val.every(None, false, false));
}
#[test]
fn every_including_array_indexes() {
let val = Value::parse("{ test: { something: [{ age: 34, tags: ['code', 'databases'] }, { age: 36, tags: ['design', 'operations'] }] } }");
let res = vec![
Idiom::parse("test.something"),
Idiom::parse("test.something[1].age"),
Idiom::parse("test.something[1].tags"),
Idiom::parse("test.something[1].tags[1]"),
Idiom::parse("test.something[1].tags[0]"),
Idiom::parse("test.something[0].age"),
Idiom::parse("test.something[0].tags"),
Idiom::parse("test.something[0].tags[1]"),
Idiom::parse("test.something[0].tags[0]"),
];
assert_eq!(res, val.every(None, false, true));
}
#[test]
fn every_including_intermediary_nodes_without_array_indexes() {
let val = Value::parse("{ test: { something: [{ age: 34, tags: ['code', 'databases'] }, { age: 36, tags: ['design', 'operations'] }] } }");
let res = vec![Idiom::parse("test"), Idiom::parse("test.something")];
assert_eq!(res, val.every(None, true, false));
}
#[test]
fn every_including_intermediary_nodes_including_array_indexes() {
let val = Value::parse("{ test: { something: [{ age: 34, tags: ['code', 'databases'] }, { age: 36, tags: ['design', 'operations'] }] } }");
let res = vec![
Idiom::parse("test"),
Idiom::parse("test.something"),
Idiom::parse("test.something[1]"),
Idiom::parse("test.something[1].age"),
Idiom::parse("test.something[1].tags"),
Idiom::parse("test.something[1].tags[1]"),
Idiom::parse("test.something[1].tags[0]"),
Idiom::parse("test.something[0]"),
Idiom::parse("test.something[0].age"),
Idiom::parse("test.something[0].tags"),
Idiom::parse("test.something[0].tags[1]"),
Idiom::parse("test.something[0].tags[0]"),
];
assert_eq!(res, val.every(None, true, true));
}
}