MeiliSearch/meilidb-http/src/routes/synonym.rs
2019-10-31 15:02:34 +01:00

236 lines
7.1 KiB
Rust

use std::collections::HashMap;
use http::StatusCode;
use serde::{Deserialize, Serialize};
use tide::response::IntoResponse;
use tide::{Context, Response};
use crate::error::{ResponseError, SResult};
use crate::helpers::tide::ContextExt;
use crate::models::token::ACL::*;
use crate::routes::document::IndexUpdateResponse;
use crate::Data;
#[derive(Clone, Serialize, Deserialize)]
#[serde(untagged)]
pub enum Synonym {
OneWay(SynonymOneWay),
MultiWay { synonyms: Vec<String> },
}
#[derive(Clone, Serialize, Deserialize)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct SynonymOneWay {
pub input: String,
pub synonyms: Vec<String>,
}
pub type Synonyms = Vec<Synonym>;
pub async fn list(ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsRead)?;
let index = ctx.index()?;
let env = &ctx.state().db.env;
let reader = env.read_txn().map_err(ResponseError::internal)?;
let synonyms_fst = index
.main
.synonyms_fst(&reader)
.map_err(ResponseError::internal)?;
let synonyms_fst = synonyms_fst.unwrap_or_default();
let synonyms_list = synonyms_fst.stream().into_strs().unwrap();
let mut response = HashMap::new();
let index_synonyms = &index.synonyms;
for synonym in synonyms_list {
let alternative_list = index_synonyms
.synonyms(&reader, synonym.as_bytes())
.unwrap()
.unwrap()
.stream()
.into_strs()
.unwrap();
response.insert(synonym, alternative_list);
}
Ok(tide::response::json(response))
}
pub async fn get(ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsRead)?;
let synonym = ctx.url_param("synonym")?;
let index = ctx.index()?;
let env = &ctx.state().db.env;
let reader = env.read_txn().map_err(ResponseError::internal)?;
let synonym_list = index
.synonyms
.synonyms(&reader, synonym.as_bytes())
.unwrap()
.unwrap()
.stream()
.into_strs()
.unwrap();
Ok(tide::response::json(synonym_list))
}
pub async fn create(mut ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsWrite)?;
let data: Synonym = ctx.body_json().await.map_err(ResponseError::bad_request)?;
let index = ctx.index()?;
let env = &ctx.state().db.env;
let mut writer = env.write_txn().map_err(ResponseError::internal)?;
let mut synonyms_addition = index.synonyms_addition();
match data.clone() {
Synonym::OneWay(content) => {
synonyms_addition.add_synonym(content.input, content.synonyms.into_iter())
}
Synonym::MultiWay { mut synonyms } => {
if synonyms.len() > 1 {
for _ in 0..synonyms.len() {
let (first, elems) = synonyms.split_first().unwrap();
synonyms_addition.add_synonym(first, elems.iter());
synonyms.rotate_left(1);
}
}
}
}
let update_id = synonyms_addition
.finalize(&mut writer)
.map_err(ResponseError::internal)?;
writer.commit().map_err(ResponseError::internal)?;
let response_body = IndexUpdateResponse { update_id };
Ok(tide::response::json(response_body)
.with_status(StatusCode::CREATED)
.into_response())
}
pub async fn update(mut ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsWrite)?;
let synonym = ctx.url_param("synonym")?;
let index = ctx.index()?;
let data: Vec<String> = ctx.body_json().await.map_err(ResponseError::bad_request)?;
let env = &ctx.state().db.env;
let mut writer = env.write_txn().map_err(ResponseError::internal)?;
let mut synonyms_addition = index.synonyms_addition();
synonyms_addition.add_synonym(synonym.clone(), data.clone().into_iter());
let update_id = synonyms_addition
.finalize(&mut writer)
.map_err(ResponseError::internal)?;
writer.commit().map_err(ResponseError::internal)?;
let response_body = IndexUpdateResponse { update_id };
Ok(tide::response::json(response_body)
.with_status(StatusCode::ACCEPTED)
.into_response())
}
pub async fn delete(ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsWrite)?;
let synonym = ctx.url_param("synonym")?;
let index = ctx.index()?;
let env = &ctx.state().db.env;
let mut writer = env.write_txn().map_err(ResponseError::internal)?;
let mut synonyms_deletion = index.synonyms_deletion();
synonyms_deletion.delete_all_alternatives_of(synonym);
let update_id = synonyms_deletion
.finalize(&mut writer)
.map_err(ResponseError::internal)?;
writer.commit().map_err(ResponseError::internal)?;
let response_body = IndexUpdateResponse { update_id };
Ok(tide::response::json(response_body)
.with_status(StatusCode::ACCEPTED)
.into_response())
}
pub async fn batch_write(mut ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsWrite)?;
let data: Synonyms = ctx.body_json().await.map_err(ResponseError::bad_request)?;
let index = ctx.index()?;
let env = &ctx.state().db.env;
let mut writer = env.write_txn().map_err(ResponseError::internal)?;
let mut synonyms_addition = index.synonyms_addition();
for raw in data {
match raw {
Synonym::OneWay(content) => {
synonyms_addition.add_synonym(content.input, content.synonyms.into_iter())
}
Synonym::MultiWay { mut synonyms } => {
if synonyms.len() > 1 {
for _ in 0..synonyms.len() {
let (first, elems) = synonyms.split_first().unwrap();
synonyms_addition.add_synonym(first, elems.iter());
synonyms.rotate_left(1);
}
}
}
}
}
let update_id = synonyms_addition
.finalize(&mut writer)
.map_err(ResponseError::internal)?;
writer.commit().map_err(ResponseError::internal)?;
let response_body = IndexUpdateResponse { update_id };
Ok(tide::response::json(response_body)
.with_status(StatusCode::ACCEPTED)
.into_response())
}
pub async fn clear(ctx: Context<Data>) -> SResult<Response> {
ctx.is_allowed(SettingsWrite)?;
let index = ctx.index()?;
let env = &ctx.state().db.env;
let mut writer = env.write_txn().map_err(ResponseError::internal)?;
let synonyms_fst = index
.main
.synonyms_fst(&writer)
.map_err(ResponseError::internal)?;
let synonyms_fst = synonyms_fst.unwrap_or_default();
let synonyms_list = synonyms_fst.stream().into_strs().unwrap();
let mut synonyms_deletion = index.synonyms_deletion();
for synonym in synonyms_list {
synonyms_deletion.delete_all_alternatives_of(synonym);
}
let update_id = synonyms_deletion
.finalize(&mut writer)
.map_err(ResponseError::internal)?;
writer.commit().map_err(ResponseError::internal)?;
let response_body = IndexUpdateResponse { update_id };
Ok(tide::response::json(response_body)
.with_status(StatusCode::ACCEPTED)
.into_response())
}