Feature / user recommendation config in admin ui (#3357)

* add config for external user recommendation into admin ui

* debug

* correct admin ui

* switch external user recommendation to admin ui config

* debug

* debug

* debug

* Revert "debug"

This reverts commit f4a0460e5bde21cd1f39a735f496a2d74233ef3f.

* explicit parseInt radix

* add Japanese message

* change default engine to https

* remove unused settings

* debug

* nullable externalUserRecommendationTimeout

3 files changed, 49 insertions, 4 deletions

diff --git a/src/server/api/endpoints/admin/update-meta.ts b/src/server/api/endpoints/admin/update-meta.ts
index bbae212bd7..edbb51e3dc 100644
--- a/src/server/api/endpoints/admin/update-meta.ts
+++ b/src/server/api/endpoints/admin/update-meta.ts
@@ -200,6 +200,27 @@ export const meta = {
 			desc: {
 				'ja-JP': 'DiscordアプリのClient Secret'
 			}
+		},
+
+		enableExternalUserRecommendation: {
+			validator: $.bool.optional,
+			desc: {
+				'ja-JP': '外部ユーザーレコメンデーションを有効にする'
+			}
+		},
+
+		externalUserRecommendationEngine: {
+			validator: $.str.optional.nullable,
+			desc: {
+				'ja-JP': '外部ユーザーレコメンデーションのサードパーティエンジン'
+			}
+		},
+
+		externalUserRecommendationTimeout: {
+			validator: $.num.optional.nullable.min(0),
+			desc: {
+				'ja-JP': '外部ユーザーレコメンデーションのタイムアウト (ミリ秒)'
+			}
 		}
 	}
 };
@@ -315,6 +336,18 @@ export default define(meta, (ps) => new Promise(async (res, rej) => {
 		set.discordClientSecret = ps.discordClientSecret;
 	}
 
+	if (ps.enableExternalUserRecommendation !== undefined) {
+		set.enableExternalUserRecommendation = ps.enableExternalUserRecommendation;
+	}
+
+	if (ps.externalUserRecommendationEngine !== undefined) {
+		set.externalUserRecommendationEngine = ps.externalUserRecommendationEngine;
+	}
+
+	if (ps.externalUserRecommendationTimeout !== undefined) {
+		set.externalUserRecommendationTimeout = ps.externalUserRecommendationTimeout;
+	}
+
 	await Meta.update({}, {
 		$set: set
 	}, { upsert: true });
diff --git a/src/server/api/endpoints/meta.ts b/src/server/api/endpoints/meta.ts
index 9846e95959..faee9423d8 100644
--- a/src/server/api/endpoints/meta.ts
+++ b/src/server/api/endpoints/meta.ts
@@ -72,6 +72,10 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 		enableTwitterIntegration: instance.enableTwitterIntegration,
 		enableGithubIntegration: instance.enableGithubIntegration,
 		enableDiscordIntegration: instance.enableDiscordIntegration,
+
+		enableExternalUserRecommendation: instance.enableExternalUserRecommendation,
+		externalUserRecommendationEngine: instance.externalUserRecommendationEngine,
+		externalUserRecommendationTimeout: instance.externalUserRecommendationTimeout
 	};
 
 	if (ps.detail) {
@@ -85,7 +89,11 @@ export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 			github: instance.enableGithubIntegration,
 			discord: instance.enableDiscordIntegration,
 			serviceWorker: config.sw ? true : false,
-			userRecommendation: config.user_recommendation ? config.user_recommendation : {}
+			userRecommendation: {
+				external: instance.enableExternalUserRecommendation,
+				engine: instance.externalUserRecommendationEngine,
+				timeout: instance.externalUserRecommendationTimeout
+			}
 		};
 	}
 
diff --git a/src/server/api/endpoints/users/recommendation.ts b/src/server/api/endpoints/users/recommendation.ts
index 127029f83c..52e075006f 100644
--- a/src/server/api/endpoints/users/recommendation.ts
+++ b/src/server/api/endpoints/users/recommendation.ts
@@ -6,6 +6,8 @@ import Mute from '../../../../models/mute';
 import * as request from 'request';
 import config from '../../../../config';
 import define from '../../define';
+import fetchMeta from '../../../../misc/fetch-meta';
+
 
 export const meta = {
 	desc: {
@@ -30,13 +32,15 @@ export const meta = {
 };
 
 export default define(meta, (ps, me) => new Promise(async (res, rej) => {
-	if (config.user_recommendation && config.user_recommendation.external) {
+	const instance = await fetchMeta();
+
+	if (instance.enableExternalUserRecommendation) {
 		const userName = me.username;
 		const hostName = config.hostname;
 		const limit = ps.limit;
 		const offset = ps.offset;
-		const timeout = config.user_recommendation.timeout;
-		const engine = config.user_recommendation.engine;
+		const timeout = instance.externalUserRecommendationTimeout;
+		const engine = instance.externalUserRecommendationEngine;
 		const url = engine
 			.replace('{{host}}', hostName)
 			.replace('{{user}}', userName)