user_topics: Rename muted_topics.js to user_topics.js.

static/js/user_topics.js

@@ -0,0 +1,75 @@
+import * as blueslip from "./blueslip";
+import {FoldDict} from "./fold_dict";
+import {page_params} from "./page_params";
+import * as stream_data from "./stream_data";
+import * as timerender from "./timerender";
+import {get_time_from_date_muted} from "./util";
+
+const muted_topics = new Map();
+
+export function add_muted_topic(stream_id, topic, date_muted) {
+    let sub_dict = muted_topics.get(stream_id);
+    if (!sub_dict) {
+        sub_dict = new FoldDict();
+        muted_topics.set(stream_id, sub_dict);
+    }
+    const time = get_time_from_date_muted(date_muted);
+    sub_dict.set(topic, time);
+}
+
+export function remove_muted_topic(stream_id, topic) {
+    const sub_dict = muted_topics.get(stream_id);
+    if (sub_dict) {
+        sub_dict.delete(topic);
+    }
+}
+
+export function is_topic_muted(stream_id, topic) {
+    if (stream_id === undefined) {
+        return false;
+    }
+    const sub_dict = muted_topics.get(stream_id);
+    return (sub_dict && sub_dict.get(topic)) || false;
+}
+
+export function get_muted_topics() {
+    const topics = [];
+    for (const [stream_id, sub_dict] of muted_topics) {
+        const stream = stream_data.maybe_get_stream_name(stream_id);
+        for (const topic of sub_dict.keys()) {
+            const date_muted = sub_dict.get(topic);
+            const date_muted_str = timerender.render_now(new Date(date_muted)).time_str;
+            topics.push({
+                stream_id,
+                stream,
+                topic,
+                date_muted,
+                date_muted_str,
+            });
+        }
+    }
+    return topics;
+}
+
+export function set_muted_topics(tuples) {
+    muted_topics.clear();
+
+    for (const tuple of tuples) {
+        const stream_name = tuple[0];
+        const topic = tuple[1];
+        const date_muted = tuple[2];
+
+        const stream_id = stream_data.get_stream_id(stream_name);
+
+        if (!stream_id) {
+            blueslip.warn("Unknown stream in set_muted_topics: " + stream_name);
+            continue;
+        }
+
+        add_muted_topic(stream_id, topic, date_muted);
+    }
+}
+
+export function initialize() {
+    set_muted_topics(page_params.muted_topics);
+}