init: add workspace files

os/task/events.js

@@ -0,0 +1,49 @@
+
+EVENTS = function () {
+
+}
+EVENTS.inherits(BASE);
+
+EVENTS.add = function (item) {
+    if (!item || !item.id) return;
+    Object.setPrototypeOf(item, EVENT_BASE);
+    const items = WORLD.USER_EVENTS;
+    for (var i = 0; i < items.length; i++) {
+        if (items[i].id == item.id) {
+            items[i] = item;
+            return this.notify(item, 1);
+        }
+    }
+    items.push(item);
+    this.notify(item, 0);
+}
+EVENTS.ACTIONS = ['add', 'update', 'finish'];
+EVENTS.notify = function (item, act) {
+    let users = WORLD.USERS;
+    let msg = `{type: "dialog", dialog: "events",${EVENTS.ACTIONS[act]}:1}`;
+    for (let user of users) {
+        if (!user.socket) continue;
+        if (item.check && !item.check(user))
+            continue;
+        user.send(msg);
+    }
+}
+EVENTS.remove = function (id) {
+    if (!id) return;
+    const items = WORLD.USER_EVENTS;
+    for (var i = 0; i < items.length; i++) {
+        if (items[i].id == id) {
+            EVENTS.notify(items[i], 2);
+            return items.splice(i, 1);
+        }
+    }
+}
+
+const EVENT_BASE = {
+    query_desc: function () {
+        return this.desc;
+    },
+    query_grade: function () {
+        return this.grade;
+    }
+};