From 23f9a22edc24499bcfd48a42197a980052f68ac9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Renault?= <clement@meilisearch.com>
Date: Fri, 13 Nov 2020 16:16:07 +0100
Subject: [PATCH] Update the HTTP settings route to accept the faceted fields

---
 http-ui/Cargo.lock  | 10 ++++++++++
 http-ui/src/main.rs | 12 +++++++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/http-ui/Cargo.lock b/http-ui/Cargo.lock
index 7c7759e2e..23fed5bbe 100644
--- a/http-ui/Cargo.lock
+++ b/http-ui/Cargo.lock
@@ -989,6 +989,7 @@ dependencies = [
  "near-proximity",
  "obkv",
  "once_cell",
+ "ordered-float",
  "rayon",
  "ringtail",
  "roaring",
@@ -1205,6 +1206,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
+[[package]]
+name = "ordered-float"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fe9037165d7023b1228bc4ae9a2fa1a2b0095eca6c2998c624723dfd01314a5"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "page_size"
 version = "0.4.2"
diff --git a/http-ui/src/main.rs b/http-ui/src/main.rs
index 2af2c9d90..094b2fb79 100644
--- a/http-ui/src/main.rs
+++ b/http-ui/src/main.rs
@@ -1,5 +1,5 @@
 use std::borrow::Cow;
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 use std::fs::{File, create_dir_all};
 use std::net::SocketAddr;
 use std::path::PathBuf;
@@ -210,6 +210,8 @@ enum UpdateMetaProgress {
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+#[serde(rename_all = "camelCase")]
 struct Settings {
     #[serde(
         default,
@@ -224,6 +226,9 @@ struct Settings {
         skip_serializing_if = "Option::is_none",
     )]
     searchable_attributes: Option<Option<Vec<String>>>,
+
+    #[serde(default)]
+    faceted_attributes: Option<HashMap<String, String>>,
 }
 
 // Any value that is present is considered Some value, including null.
@@ -367,6 +372,11 @@ async fn main() -> anyhow::Result<()> {
                         }
                     }
 
+                    // We transpose the settings JSON struct into a real setting update.
+                    if let Some(facet_types) = settings.faceted_attributes {
+                        builder.set_faceted_fields(facet_types);
+                    }
+
                     let result = builder.execute(|indexing_step| {
                         let (current, total) = match indexing_step {
                             TransformFromUserIntoGenericFormat { documents_seen } => (documents_seen, None),