New Upcoming Event Alert from Google Calendar API

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Getting Started#

Trigger a workflow on New Upcoming Event Alert with Google Calendar API. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

Configure the New Upcoming Event Alert trigger
1. Connect your Google Calendar account
2. Connect your Google Calendar account
3. Optional- Select a Calendar ID
4. Select a Event ID
5. Configure Minutes Before
Add steps to connect to 1,600+ APIs using code and no-code building blocks
Deploy the workflow
Send a test event to validate your setup
Turn on the trigger

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Details#

This is a pre-built, source-available component from Pipedream's GitHub repo. The component is developed by Pipedream and the community, and verified and maintained by Pipedream.

To contribute an update to an existing component or create a new component, create a PR on GitHub. If you're new to Pipedream component development, you can start with quickstarts for trigger span and action development, and then review the component API reference.

New Upcoming Event Alert on Google Calendar

Description:Emit new event based on a time interval before an upcoming event in the calendar. This source uses Pipedream's Task Scheduler. [See the documentation](https://pipedream.com/docs/examples/waiting-to-execute-next-step-of-workflow/#step-1-create-a-task-scheduler-event-source) for more information and instructions for connecting your Pipedream account.

Version:0.0.3

Key:google_calendar-upcoming-event-alert

View on GitHub

Code#

import taskScheduler from "../../../pipedream/sources/new-scheduled-tasks/new-scheduled-tasks.mjs";
import googleCalendar from "../../google_calendar.app.mjs";
import { axios } from "@pipedream/platform";

export default {
  key: "google_calendar-upcoming-event-alert",
  name: "New Upcoming Event Alert",
  description: `Emit new event based on a time interval before an upcoming event in the calendar. This source uses Pipedream's Task Scheduler.
    [See the documentation](https://pipedream.com/docs/examples/waiting-to-execute-next-step-of-workflow/#step-1-create-a-task-scheduler-event-source) 
    for more information and instructions for connecting your Pipedream account.`,
  version: "0.0.3",
  type: "source",
  props: {
    pipedream: taskScheduler.props.pipedream,
    googleCalendar,
    db: "$.service.db",
    http: "$.interface.http",
    calendarId: {
      propDefinition: [
        googleCalendar,
        "calendarId",
      ],
    },
    eventId: {
      propDefinition: [
        googleCalendar,
        "eventId",
        (c) => ({
          calendarId: c.calendarId,
        }),
      ],
    },
    time: {
      type: "integer",
      label: "Minutes Before",
      description: "Number of minutes to trigger before the start of the calendar event.",
      min: 0,
    },
  },
  hooks: {
    async activate() {
      // workaround - self call run() because selfSubscribe() can't be run on activate or deploy
      // see selfSubscribe() method in pipedream/sources/new-scheduled-tasks/new-scheduled-tasks.mjs
      await axios(this, {
        url: this.http.endpoint,
        method: "POST",
        data: {
          schedule: true,
        },
      });
    },
    async deactivate() {
      const id = this._getScheduledEventId();
      if (id && await this.deleteEvent({
        body: {
          id,
        },
      })) {
        console.log("Cancelled scheduled event");
        this._setScheduledEventId();
      }
    },
  },
  methods: {
    ...taskScheduler.methods,
    _getScheduledEventId() {
      return this.db.get("scheduledEventId");
    },
    _setScheduledEventId(id) {
      this.db.set("scheduledEventId", id);
    },
    _hasDeployed() {
      const result = this.db.get("hasDeployed");
      this.db.set("hasDeployed", true);
      return result;
    },
    subtractMinutes(date, minutes) {
      return date.getTime() - minutes * 60000;
    },
  },
  async run(event) {
    // self subscribe only on the first time
    if (!this._hasDeployed()) {
      await this.selfSubscribe();
    }

    // incoming scheduled event
    if (event.$channel === this.selfChannel()) {
      this.emitEvent(event, `Upcoming ${event.summary} event`);
      this._setScheduledEventId();
      return;
    }

    // received schedule command
    if (event.body?.schedule) {
      const calendarEvent = await this.googleCalendar.getEvent({
        calendarId: this.calendarId,
        eventId: this.eventId,
      });

      const startTime = new Date(calendarEvent.start.dateTime || calendarEvent.start.date);
      const later = new Date(this.subtractMinutes(startTime, this.time));

      const scheduledEventId = this.emitScheduleEvent(calendarEvent, later);
      this._setScheduledEventId(scheduledEventId);
    }
  },
};

Configuration#

This component may be configured based on the props defined in the component code. Pipedream automatically prompts for input values in the UI and CLI.

Label	Prop	Type	Description
Google Calendar	`pipedream`	`app`	This component uses the Google Calendar app.
Google Calendar	`googleCalendar`	`app`	This component uses the Google Calendar app.
N/A	`db`	`$.service.db`	This component uses `$.service.db` to maintain state between executions.
N/A	`http`	`$.interface.http`	This component uses `$.interface.http` to generate a unique URL when the component is first instantiated. Each request to the URL will trigger the `run()` method of the component.
Calendar ID	`calendarId`	`string`	Select a value from the drop down menu.
Event ID	`eventId`	`string`	Select a value from the drop down menu.
Minutes Before	`time`	`integer`	Number of minutes to trigger before the start of the calendar event.

Authentication#

Google Calendar uses OAuth authentication. When you connect your Google Calendar account, Pipedream will open a popup window where you can sign into Google Calendar and grant Pipedream permission to connect to your account. Pipedream securely stores and automatically refreshes the OAuth tokens so you can easily authenticate any Google Calendar API.

Pipedream requests the following authorization scopes when you connect your account:

emailprofilehttps://www.googleapis.com/auth/calendar.eventshttps://www.googleapis.com/auth/calendar.readonlyhttps://www.googleapis.com/auth/calendar.settings.readonly