Plume/plume-cli/src/search.rs

112 lines
3.5 KiB
Rust

use clap::{Arg, ArgMatches, App, SubCommand};
use diesel::{ExpressionMethods, QueryDsl, RunQueryDsl};
use std::fs::{read_dir, remove_file};
use std::io::ErrorKind;
use std::path::Path;
use plume_models::{
Connection,
posts::Post,
schema::posts,
search::Searcher,
};
pub fn command<'a, 'b>() -> App<'a, 'b> {
SubCommand::with_name("search")
.about("Manage search index")
.subcommand(SubCommand::with_name("init")
.arg(Arg::with_name("path")
.short("p")
.long("path")
.takes_value(true)
.required(true)
.help("Path to Plume's working directory"))
.arg(Arg::with_name("force")
.short("f")
.long("force")
.help("Ignore already using directory")
).about("Initialize Plume's internal search engine"))
.subcommand(SubCommand::with_name("refill")
.arg(Arg::with_name("path")
.short("p")
.long("path")
.takes_value(true)
.required(true)
.help("Path to Plume's working directory")
).about("Regenerate Plume's search index"))
.subcommand(SubCommand::with_name("unlock")
.arg(Arg::with_name("path")
.short("p")
.long("path")
.takes_value(true)
.required(true)
.help("Path to Plume's working directory")
).about("Release lock on search directory"))
}
pub fn run<'a>(args: &ArgMatches<'a>, conn: &Connection) {
let conn = conn;
match args.subcommand() {
("init", Some(x)) => init(x, conn),
("refill", Some(x)) => refill(x, conn, None),
("unlock", Some(x)) => unlock(x),
_ => println!("Unknown subcommand"),
}
}
fn init<'a>(args: &ArgMatches<'a>, conn: &Connection) {
let path = args.value_of("path").unwrap();
let force = args.is_present("force");
let path = Path::new(path).join("search_index");
let can_do = match read_dir(path.clone()) { // try to read the directory specified
Ok(mut contents) => {
if contents.next().is_none() {
true
} else {
false
}
},
Err(e) => if e.kind() == ErrorKind::NotFound {
true
} else {
panic!("Error while initialising search index : {}", e);
}
};
if can_do || force {
let searcher = Searcher::create(&path).unwrap();
refill(args, conn, Some(searcher));
} else {
eprintln!("Can't create new index, {} exist and is not empty", path.to_str().unwrap());
}
}
fn refill<'a>(args: &ArgMatches<'a>, conn: &Connection, searcher: Option<Searcher>) {
let path = args.value_of("path").unwrap();
let path = Path::new(path).join("search_index");
let searcher = searcher.unwrap_or_else(|| Searcher::open(&path).unwrap());
let posts = posts::table
.filter(posts::published.eq(true))
.load::<Post>(conn)
.expect("Post::get_recents: loading error");
let len = posts.len();
for (i,post) in posts.iter().enumerate() {
println!("Importing {}/{} : {}", i+1, len, post.title);
searcher.update_document(conn, &post);
}
println!("Commiting result");
searcher.commit();
}
fn unlock<'a>(args: &ArgMatches<'a>) {
let path = args.value_of("path").unwrap();
let path = Path::new(path).join("search_index/.tantivy-indexer.lock");
remove_file(path).unwrap();
}