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 f4a0460e5b.

* explicit parseInt radix

* add Japanese message

* change default engine to https

* remove unused settings

* debug

* nullable externalUserRecommendationTimeout

src/models/meta.ts

@@ -125,6 +125,19 @@ if ((config as any).github) {
 		}
 	});
 }
+if ((config as any).user_recommendation) {
+	Meta.findOne({}).then(m => {
+		if (m != null && m.enableExternalUserRecommendation == null) {
+			Meta.update({}, {
+				$set: {
+					enableExternalUserRecommendation: true,
+					externalUserRecommendationEngine: (config as any).user_recommendation.engine,
+					externalUserRecommendationTimeout: (config as any).user_recommendation.timeout
+				}
+			});
+		}
+	});
+}
 
 export type IMeta = {
 	name?: string;
@@ -195,4 +208,8 @@ export type IMeta = {
 	enableDiscordIntegration?: boolean;
 	discordClientId?: string;
 	discordClientSecret?: string;
+
+	enableExternalUserRecommendation?: boolean;
+	externalUserRecommendationEngine?: string;
+	externalUserRecommendationTimeout?: number;
 };