fuseable-search.rs

use fuse_rust::{FResult, Fuse, FuseProperty, Fuseable, FuseableSearchResult};

#[derive(Debug)]
struct Book<'a> {
    title: &'a str,
    author: &'a str,
}

impl Fuseable for Book<'_> {
    fn properties(&self) -> Vec<FuseProperty> {
        vec![
            FuseProperty {
                value: String::from("title"),
                weight: 0.3,
            },
            FuseProperty {
                value: String::from("author"),
                weight: 0.7,
            },
        ]
    }

    fn lookup(&self, key: &str) -> Option<&str> {
        match key {
            "title" => Some(self.title),
            "author" => Some(self.author),
            _ => None,
        }
    }
}
fn main() {
    let books = [
        Book {
            author: "John X",
            title: "Old Man's War fiction",
        },
        Book {
            author: "P.D. Mans",
            title: "Right Ho Jeeves",
        },
    ];

    let fuse = Fuse::default();
    let results = fuse.search_text_in_fuse_list("man", &books);

    assert_eq!(
        results,
        vec!(
            FuseableSearchResult {
                index: 1,
                score: 0.015000000000000003,
                results: vec!(FResult {
                    value: String::from("author"),
                    score: 0.015000000000000003,
                    ranges: vec!((5..8)),
                }),
            },
            FuseableSearchResult {
                index: 0,
                score: 0.027999999999999997,
                results: vec!(FResult {
                    value: String::from("title"),
                    score: 0.027999999999999997,
                    ranges: vec!((4..7)),
                })
            }
        ),
        "Fuseable Search returned incorrect results"
    );

    results.iter().for_each(|result| {
        println!(
            r#"
index: {}
score: {}
results: {:?}
---------------"#,
            result.index, result.score, result.results
        )
    });
}