recurring events, limits to lengths

calendar/plugin.ts

@@ -103,10 +103,20 @@ function tellEvent(eventData: Event, msg: IMessage, countdown = true): void {
     tstamp = 'is over :(';
   }
 
+  let name = eventData.name;
+  if (name.length > 64) {
+    name = name.substr(0, 64) + '...';
+  }
+
+  let description = eventData.description;
+  if (description.length > 120) {
+    description = description.substr(0, 120) + '...';
+  }
+
   keys.push(['field', 'Event', { type: 'title', color: 'green' }]);
-  keys.push(['field', eventData.name, { color: startColor }]);
+  keys.push(['field', name, { color: startColor }]);
   keys.push(['bold', tstamp]);
-  keys.push(['field', eventData.description || '', { type: 'content' }]);
+  keys.push(['field', description || '', { type: 'content' }]);
 
   msg.resolve(keys);
 }
@@ -133,6 +143,33 @@ async function fetchCalendars(interval: number): Promise<void> {
       const start = Math.floor(new Date(data.start).getTime() / 1000);
       const end = Math.floor(new Date(data.end).getTime() / 1000);
 
+      // Recurring events handling
+      if ('rrule' in data) {
+        const rrule = (data as any).rrule as any;
+        const recurring = rrule.between(new Date(),
+          new Date(Date.now() + cfg.timeFrame * 1000));
+        const originalDuration = end - start;
+        for (const date of recurring) {
+          const newStart = Math.floor(new Date(date).getTime() / 1000);
+          const newEnd = newStart + originalDuration;
+          if (newStart > nts() + cfg.timeFrame || newEnd < nts()) {
+            continue;
+          }
+
+          memcache.push({
+            id: key,
+            name: (data as any).summary,
+            start: newStart,
+            end: newEnd,
+            from: cfg,
+            description: (data as any).description || '',
+          });
+
+          events++;
+        }
+        continue;
+      }
+
       // Skip events that are over and start beyond the time frame
       if (start > nts() + cfg.timeFrame || end < nts()) {
         continue;
@@ -191,7 +228,8 @@ class CalendarPlugin extends Plugin {
           }
 
           events = events.filter((ev: Event) =>
-            ev.start < nts() + ev.from.timeFrame && ev.end > nts());
+            ev.start < nts() + ev.from.timeFrame && ev.end > nts())
+            .slice(0, 8);
 
           if (!events.length) {
             msg.resolve('Events in %s: None currently scheduled.', msg.target?.name);
@@ -236,15 +274,15 @@ class CalendarPlugin extends Plugin {
               return false;
             }
 
-            return ev.name.toLowerCase().match(query) != null;
+            return ev.name.toLowerCase().match(query.toLowerCase()) != null;
-          });
+          }).slice(0, 8);
 
           if (!events.length) {
             msg.resolve('No events match "%s".', query);
             return true;
           } else if (events.length > 1) {
-            msg.resolve('Multiple events match "%s":', query);
+            msg.resolve('Multiple events match "%s"! Here\'s the first one:', query);
-            return true;
+            events = events.sort(sortStartTime);
           }
 
           tellEvent(events[0], msg, countdown);