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Plume/src/routes/search.rs

85 行
2.6 KiB
Rust

use chrono::offset::Utc;
use rocket::request::Form;
use crate::routes::Page;
use crate::template_utils::{IntoContext, Ructe};
use plume_models::{search::Query, PlumeRocket};
use std::str::FromStr;
#[derive(Default, FromForm)]
pub struct SearchQuery {
q: Option<String>,
title: Option<String>,
subtitle: Option<String>,
content: Option<String>,
instance: Option<String>,
author: Option<String>,
tag: Option<String>,
blog: Option<String>,
lang: Option<String>,
license: Option<String>,
after: Option<String>,
before: Option<String>,
page: Option<Page>,
}
macro_rules! param_to_query {
( $query:ident, $parsed_query:ident; normal: $($field:ident),*; date: $($date:ident),*) => {
$(
let mut rest = $query.$field.as_ref().map(String::as_str).unwrap_or_default();
while !rest.is_empty() {
let (token, r) = Query::get_first_token(rest);
rest = r;
$parsed_query.$field(token, None);
}
)*
$(
if let Some(ref field) = $query.$date {
let mut rest = field.as_str();
while !rest.is_empty() {
use chrono::naive::NaiveDate;
let (token, r) = Query::get_first_token(rest);
rest = r;
if let Ok(token) = NaiveDate::parse_from_str(token, "%Y-%m-%d") {
$parsed_query.$date(&token);
}
}
}
)*
}
}
#[get("/search?<query..>")]
pub fn search(query: Option<Form<SearchQuery>>, rockets: PlumeRocket) -> Ructe {
let query = query.map(Form::into_inner).unwrap_or_default();
let page = query.page.unwrap_or_default();
let mut parsed_query =
Query::from_str(&query.q.as_ref().map(String::as_str).unwrap_or_default())
.unwrap_or_default();
param_to_query!(query, parsed_query; normal: title, subtitle, content, tag,
instance, author, blog, lang, license;
date: before, after);
let str_query = parsed_query.to_string();
if str_query.is_empty() {
render!(search::index(
&rockets.to_context(),
&format!("{}", Utc::today().format("%Y-%m-d"))
))
} else {
let res = rockets
.searcher
.search_document(parsed_query, page.limits());
let next_page = if res.is_empty() { 0 } else { page.0 + 1 };
render!(search::result(
&rockets.to_context(),
&str_query,
res,
page.0,
next_page
))
}
}