From 8edd5625ad5dde0ef1637d5c89e9901b3ee65d73 Mon Sep 17 00:00:00 2001
From: Owen Jacobson <owen@grimoire.ca>
Date: Sat, 5 Oct 2024 20:12:25 -0400
Subject: Provide named operations for stored state.

---
 hi-ui/src/store/messages.js | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 hi-ui/src/store/messages.js

(limited to 'hi-ui/src/store/messages.js')

diff --git a/hi-ui/src/store/messages.js b/hi-ui/src/store/messages.js
new file mode 100644
index 0000000..d1f19d3
--- /dev/null
+++ b/hi-ui/src/store/messages.js
@@ -0,0 +1,35 @@
+export class Messages {
+	constructor() {
+		this.channels = {};
+	}
+
+	inChannel(channel) {
+		return this.channels[channel] || [];
+	}
+
+	addMessage(message) {
+		let {
+			channel,
+			...payload
+		} = message;
+		let channel_id = channel.id;
+		this.updateChannel(channel_id, (messages) => [...messages, payload]);
+		return this;
+	}
+
+	deleteMessage(channel, message) {
+		let messages = this.messages(channel).filter((msg) => msg.message.id != message);
+		this.channels[channel] = messages;
+	}
+
+	deleteChannel(id) {
+		delete this.channels[id];
+		return this;
+	}
+
+	updateChannel(channel, callback) {
+		let messages = callback(this.inChannel(channel));
+		messages.sort((a, b) => a.at - b.at);
+		this.channels[channel] = messages;
+	}
+}
-- 
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