More reliable addition of encrypted messages. There's something I'm not understanding with lit.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4440 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/ssb/tf-tab-news-feed.js

@@ -124,7 +124,38 @@ class TfTabNewsFeedElement extends LitElement {
 				this.start_time,
 				last_start_time,
 			]);
-		this.messages = [...more, ...this.messages];
+		this.messages = await this.decrypt([...more, ...this.messages]);
+	}
+
+	async decrypt(messages) {
+		let result = [];
+		for (let message of messages) {
+			let content;
+			try {
+				content = JSON.parse(message?.content);
+			} catch {
+			}
+			if (typeof(content) === 'string') {
+				let decrypted;
+				try {
+					decrypted = await tfrpc.rpc.try_decrypt(this.whoami, content);
+				} catch {
+				}
+				if (decrypted) {
+					try {
+						message.decrypted = JSON.parse(decrypted);
+					} catch {
+						message.decrypted = decrypted;
+					}
+				}
+			}
+			result.push(message);
+		}
+		return result;
+	}
+
+	async add_messages(messages) {
+		this.messages = await this.decrypt([...messages, ...this.messages]);
 	}
 
 	render() {
@@ -136,7 +167,7 @@ class TfTabNewsFeedElement extends LitElement {
 			this.messages = [];
 			this._messages_hash = this.hash;
 			this._messages_following = this.following;
-			this.fetch_messages().then(function(messages) {
+			this.fetch_messages().then(this.decrypt.bind(this)).then(function(messages) {
 				self.messages = messages;
 				console.log(`loading mesages done for ${self.whoami}`);
 			}).catch(function(error) {