mirror of
https://github.com/meilisearch/meilisearch.git
synced 2024-11-27 04:25:06 +08:00
114 lines
3.4 KiB
Rust
114 lines
3.4 KiB
Rust
use std::io::{self, Write};
|
|
use std::path::PathBuf;
|
|
use std::error::Error;
|
|
|
|
use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor};
|
|
use serde_derive::{Serialize, Deserialize};
|
|
use structopt::StructOpt;
|
|
|
|
use meilidb::database::Database;
|
|
use meilidb::Match;
|
|
|
|
#[derive(Debug, StructOpt)]
|
|
pub struct Opt {
|
|
/// The destination where the database must be created
|
|
#[structopt(parse(from_os_str))]
|
|
pub database_path: PathBuf,
|
|
|
|
/// The number of returned results
|
|
#[structopt(short = "n", long = "number-results", default_value = "10")]
|
|
pub number_results: usize,
|
|
}
|
|
|
|
#[derive(Debug, Serialize, Deserialize)]
|
|
struct Document {
|
|
id: String,
|
|
title: String,
|
|
description: String,
|
|
image: String,
|
|
}
|
|
|
|
fn display_highlights(text: &str, ranges: &[usize]) -> io::Result<()> {
|
|
let mut stdout = StandardStream::stdout(ColorChoice::Always);
|
|
let mut highlighted = false;
|
|
|
|
for range in ranges.windows(2) {
|
|
let [start, end] = match range { [start, end] => [*start, *end], _ => unreachable!() };
|
|
if highlighted {
|
|
stdout.set_color(ColorSpec::new().set_fg(Some(Color::Yellow)))?;
|
|
}
|
|
write!(&mut stdout, "{}", &text[start..end])?;
|
|
stdout.reset()?;
|
|
highlighted = !highlighted;
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn create_highlight_areas(text: &str, matches: &[Match], attribute: u16) -> Vec<usize> {
|
|
let mut title_areas = Vec::new();
|
|
|
|
title_areas.push(0);
|
|
for match_ in matches {
|
|
if match_.attribute.attribute() == attribute {
|
|
let word_area = match_.word_area;
|
|
let byte_index = word_area.byte_index() as usize;
|
|
let length = word_area.length() as usize;
|
|
title_areas.push(byte_index);
|
|
title_areas.push(byte_index + length);
|
|
}
|
|
}
|
|
title_areas.push(text.len());
|
|
title_areas
|
|
}
|
|
|
|
fn main() -> Result<(), Box<Error>> {
|
|
let opt = Opt::from_args();
|
|
|
|
let (elapsed, result) = elapsed::measure_time(|| Database::open(&opt.database_path));
|
|
let database = result?;
|
|
println!("database prepared for you in {}", elapsed);
|
|
|
|
let mut buffer = String::new();
|
|
let input = io::stdin();
|
|
|
|
loop {
|
|
print!("Searching for: ");
|
|
io::stdout().flush()?;
|
|
|
|
if input.read_line(&mut buffer)? == 0 { break }
|
|
let query = buffer.trim_end_matches('\n');
|
|
|
|
let view = database.view();
|
|
|
|
let (elapsed, documents) = elapsed::measure_time(|| {
|
|
let builder = view.query_builder().unwrap();
|
|
builder.query(query, 0..opt.number_results)
|
|
});
|
|
|
|
let number_of_documents = documents.len();
|
|
for doc in documents {
|
|
match view.document_by_id::<Document>(doc.id) {
|
|
Ok(document) => {
|
|
|
|
print!("title: ");
|
|
let title_areas = create_highlight_areas(&document.title, &doc.matches, 1);
|
|
display_highlights(&document.title, &title_areas)?;
|
|
println!();
|
|
|
|
print!("description: ");
|
|
let description_areas = create_highlight_areas(&document.description, &doc.matches, 2);
|
|
display_highlights(&document.description, &description_areas)?;
|
|
println!();
|
|
},
|
|
Err(e) => eprintln!("{}", e),
|
|
}
|
|
}
|
|
|
|
println!("Found {} results in {}", number_of_documents, elapsed);
|
|
buffer.clear();
|
|
}
|
|
|
|
Ok(())
|
|
}
|