Basic examples for CalDAV and .ics URL

caldav.plug.yaml

@@ -1,6 +1,8 @@
 name: caldav
+requiredPermissions:
+  - fetch
 functions:
-  helloWorld:
-    path: caldav.ts:helloWorld
-    command:
-      name: "Say hello"
+  queryIcs:
+    path: ./caldav.ts:queryIcs
+    events:
+      - query:cal-ics

caldav.ts

@@ -1,5 +1,33 @@
 import { editor } from "@silverbulletmd/silverbullet/syscalls";
+import { QueryProviderEvent } from "@silverbulletmd/silverbullet/types";
+import { readYamlPage } from "@silverbulletmd/silverbullet/lib/yaml_page";
+import { applyQuery } from "@silverbulletmd/silverbullet/lib/query";
+import { parseIcsCalendar, type VCalendar } from "ts-ics";
 
-export async function helloWorld() {
-  await editor.flashNotification("Hello world!");
+interface Event {
+  summary: string | undefined;
+  description: string | undefined;
+}
+
+export async function queryIcs({ query }: QueryProviderEvent): Promise<any[]> {
+  const secrets = await readYamlPage("SECRETS");
+  const icsUrl = secrets.icsUrl;
+  const result = await fetch(icsUrl);
+  const icsData = await result.text();
+  const calendarParsed: VCalendar = parseIcsCalendar(icsData);
+  // TODO: Loop over multiple .ics URLs and assign calendar name based on X-WR-CALNAME
+
+  if (calendarParsed.events === undefined) {
+    editor.flashNotification("Did not parse events from iCalendar");
+    return [];
+  }
+
+  const events: Event[] = calendarParsed.events.map((ics) => {
+    return {
+      summary: ics.summary,
+      description: ics.description,
+    };
+  });
+
+  return applyQuery(query, events);
 }

deno.jsonc

@@ -18,6 +18,8 @@
   },
   "imports": {
     "@silverbulletmd/silverbullet": "jsr:@silverbulletmd/silverbullet@^0.9.0",
-    "tsdav": "npm:tsdav@2.1.3"
+    "tsdav": "npm:tsdav@2.1.3",
+    "ts-ics": "npm:ts-ics@1.6.5",
+    "@js-temporal/polyfill": "https://esm.sh/@js-temporal/polyfill@0.4.4"
   }
 }

example.ts

@@ -0,0 +1,15 @@
+import { createDAVClient } from "tsdav";
+
+const client = await createDAVClient({
+  serverUrl:
+    "https://calendar.google.com/calendar/ical/marqus34%40gmail.com/private-df2ea81c13f2fa2b9d837aef069effe6/basic.ics",
+  credentials: {
+    username: "exemplar",
+    password: Deno.env.get("DAV_PASSWORD"),
+  },
+  authMethod: "Basic",
+  defaultAccountType: "caldav",
+});
+
+const calendars = await client.fetchCalendars();
+console.log(calendars);