Introduce the new index chat settings

crates/meilisearch/src/routes/chat.rs

@@ -30,7 +30,7 @@ use serde_json::json;
 use tokio::runtime::Handle;
 use tokio::sync::mpsc::error::SendError;
 
-use super::settings::chat::{ChatPrompts, ChatSettings};
+use super::settings::chat::{ChatPrompts, GlobalChatSettings};
 use crate::extractors::authentication::policies::ActionPolicy;
 use crate::extractors::authentication::{extract_token_from_request, GuardedData, Policy as _};
 use crate::metrics::MEILISEARCH_DEGRADED_SEARCH_REQUESTS;
@@ -216,7 +216,7 @@ async fn non_streamed_chat(
 
     let chat_settings = match index_scheduler.chat_settings().unwrap() {
         Some(value) => serde_json::from_value(value).unwrap(),
-        None => ChatSettings::default(),
+        None => GlobalChatSettings::default(),
     };
 
     let mut config = OpenAIConfig::default();
@@ -307,7 +307,7 @@ async fn streamed_chat(
 
     let chat_settings = match index_scheduler.chat_settings().unwrap() {
         Some(value) => serde_json::from_value(value).unwrap(),
-        None => ChatSettings::default(),
+        None => GlobalChatSettings::default(),
     };
 
     let mut config = OpenAIConfig::default();

crates/meilisearch/src/routes/indexes/settings.rs

@@ -6,7 +6,7 @@ use meilisearch_types::deserr::DeserrJsonError;
 use meilisearch_types::error::ResponseError;
 use meilisearch_types::index_uid::IndexUid;
 use meilisearch_types::settings::{
-    settings, SecretPolicy, SettingEmbeddingSettings, Settings, Unchecked,
+    settings, ChatSettings, SecretPolicy, SettingEmbeddingSettings, Settings, Unchecked,
 };
 use meilisearch_types::tasks::KindWithContent;
 use tracing::debug;
@@ -508,6 +508,17 @@ make_setting_routes!(
         camelcase_attr: "prefixSearch",
         analytics: PrefixSearchAnalytics
     },
+    {
+        route: "/chat",
+        update_verb: put,
+        value_type: ChatSettings,
+        err_type: meilisearch_types::deserr::DeserrJsonError<
+            meilisearch_types::error::deserr_codes::InvalidSettingsIndexChat,
+        >,
+        attr: chat,
+        camelcase_attr: "chat",
+        analytics: ChatAnalytics
+    },
 );
 
 #[utoipa::path(
@@ -597,6 +608,7 @@ pub async fn update_all(
             ),
             facet_search: FacetSearchAnalytics::new(new_settings.facet_search.as_ref().set()),
             prefix_search: PrefixSearchAnalytics::new(new_settings.prefix_search.as_ref().set()),
+            chat: ChatAnalytics::new(new_settings.chat.as_ref().set()),
         },
         &req,
     );

crates/meilisearch/src/routes/indexes/settings_analytics.rs

@@ -10,8 +10,8 @@ use meilisearch_types::locales::{Locale, LocalizedAttributesRuleView};
 use meilisearch_types::milli::update::Setting;
 use meilisearch_types::milli::FilterableAttributesRule;
 use meilisearch_types::settings::{
-    FacetingSettings, PaginationSettings, PrefixSearchSettings, ProximityPrecisionView,
-    RankingRuleView, SettingEmbeddingSettings, TypoSettings,
+    ChatSettings, FacetingSettings, PaginationSettings, PrefixSearchSettings,
+    ProximityPrecisionView, RankingRuleView, SettingEmbeddingSettings, TypoSettings,
 };
 use serde::Serialize;
 
@@ -39,6 +39,7 @@ pub struct SettingsAnalytics {
     pub non_separator_tokens: NonSeparatorTokensAnalytics,
     pub facet_search: FacetSearchAnalytics,
     pub prefix_search: PrefixSearchAnalytics,
+    pub chat: ChatAnalytics,
 }
 
 impl Aggregate for SettingsAnalytics {
@@ -198,6 +199,7 @@ impl Aggregate for SettingsAnalytics {
                 set: new.prefix_search.set | self.prefix_search.set,
                 value: new.prefix_search.value.or(self.prefix_search.value),
             },
+            chat: ChatAnalytics { set: new.chat.set | self.chat.set },
         })
     }
 
@@ -676,3 +678,18 @@ impl PrefixSearchAnalytics {
         SettingsAnalytics { prefix_search: self, ..Default::default() }
     }
 }
+
+#[derive(Serialize, Default)]
+pub struct ChatAnalytics {
+    pub set: bool,
+}
+
+impl ChatAnalytics {
+    pub fn new(settings: Option<&ChatSettings>) -> Self {
+        Self { set: settings.is_some() }
+    }
+
+    pub fn into_settings(self) -> SettingsAnalytics {
+        SettingsAnalytics { chat: self, ..Default::default() }
+    }
+}

crates/meilisearch/src/routes/settings/chat.rs

@@ -27,7 +27,7 @@ async fn get_settings(
 ) -> Result<HttpResponse, ResponseError> {
     let settings = match index_scheduler.chat_settings()? {
         Some(value) => serde_json::from_value(value).unwrap(),
-        None => ChatSettings::default(),
+        None => GlobalChatSettings::default(),
     };
     Ok(HttpResponse::Ok().json(settings))
 }
@@ -37,7 +37,7 @@ async fn patch_settings(
         ActionPolicy<{ actions::CHAT_SETTINGS_UPDATE }>,
         Data<IndexScheduler>,
     >,
-    web::Json(chat_settings): web::Json<ChatSettings>,
+    web::Json(chat_settings): web::Json<GlobalChatSettings>,
 ) -> Result<HttpResponse, ResponseError> {
     let chat_settings = serde_json::to_value(chat_settings).unwrap();
     index_scheduler.put_chat_settings(&chat_settings)?;
@@ -46,7 +46,7 @@ async fn patch_settings(
 
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(deny_unknown_fields, rename_all = "camelCase")]
-pub struct ChatSettings {
+pub struct GlobalChatSettings {
     pub source: String,
     pub base_api: Option<String>,
     pub api_key: Option<String>,
@@ -91,9 +91,9 @@ const DEFAULT_SEARCH_IN_INDEX_INDEX_PARAMETER_TOOL_DESCRIPTION: &str =
 "The name of the index to search within. An index is a collection of documents organized for search. \
 Selecting the right index ensures the most relevant results for the user query";
 
-impl Default for ChatSettings {
+impl Default for GlobalChatSettings {
     fn default() -> Self {
-        ChatSettings {
+        GlobalChatSettings {
             source: "openai".to_string(),
             base_api: None,
             api_key: None,