← Google Calendar + Gmail integrations

Download Attachment with Gmail API on New Upcoming Event Alert from Google Calendar API

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New Upcoming Event Alert from the Google Calendar API
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Download Attachment with the Gmail API
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Getting Started

This integration creates a workflow with a Google Calendar trigger and Gmail action. When you configure and deploy the workflow, it will run on Pipedream's servers 24x7 for free.

  1. Select this integration
  2. 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. Optional- Select one or more Event Types
    5. Configure Minutes Before
  3. Configure the Download Attachment action
    1. Connect your Gmail account
    2. Select a Message
    3. Select a Attachment
    4. Optional- Configure Filename
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, source-available components from Pipedream's GitHub repo. These components are 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.

Trigger

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:0.0.9
Key:google_calendar-upcoming-event-alert

Google Calendar Overview

The Google Calendar API lets you dip into the powerhouse of scheduling, allowing for the reading, creation, and manipulation of events and calendars directly from your applications. Through Pipedream, you can seamlessly integrate Google Calendar into a myriad of workflows, automating event management, syncing with other services, setting up custom reminders, or even collating data for reporting. The key here is to streamline your calendar-related processes, ensuring that your time management is as efficient and automated as possible.

Trigger Code

import taskScheduler from "../../../pipedream/sources/new-scheduled-tasks/new-scheduled-tasks.mjs";
import googleCalendar from "../../google_calendar.app.mjs";
import sampleEmit from "./test-event.mjs";

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: "0.0.9",
  type: "source",
  props: {
    pipedream: taskScheduler.props.pipedream,
    googleCalendar,
    db: "$.service.db",
    http: "$.interface.http",
    calendarId: {
      propDefinition: [
        googleCalendar,
        "calendarId",
      ],
    },
    eventTypes: {
      propDefinition: [
        googleCalendar,
        "eventTypes",
      ],
    },
    time: {
      type: "integer",
      label: "Minutes Before",
      description: "Number of minutes to trigger before the start of the calendar event.",
      min: 0,
      reloadProps: true,
    },
  },
  async additionalProps() {
    const props = {};
    if (this.time > 0) {
      props.timer = {
        type: "$.interface.timer",
        description: "Poll the API to schedule alerts for any newly created events",
        default: {
          intervalSeconds: 60 * this.time,
        },
      };
    }
    return props;
  },
  hooks: {
    async deactivate() {
      const ids = this._getScheduledEventIds();
      if (!ids?.length) {
        return;
      }
      for (const id of ids) {
        if (await this.deleteEvent({
          body: {
            id,
          },
        })) {
          console.log("Cancelled scheduled event");
        }
      }
      this._setScheduledEventIds();
    },
  },
  methods: {
    ...taskScheduler.methods,
    _getScheduledEventIds() {
      return this.db.get("scheduledEventIds");
    },
    _setScheduledEventIds(ids) {
      this.db.set("scheduledEventIds", ids);
    },
    _getScheduledCalendarEventIds() {
      return this.db.get("scheduledCalendarEventIds");
    },
    _setScheduledCalendarEventIds(ids) {
      this.db.set("scheduledCalendarEventIds", ids);
    },
    _hasDeployed() {
      const result = this.db.get("hasDeployed");
      this.db.set("hasDeployed", true);
      return result;
    },
    subtractMinutes(date, minutes) {
      return date.getTime() - minutes * 60000;
    },
    async getCalendarEvents() {
      const calendarEvents = [];
      const params = {
        returnOnlyData: false,
        calendarId: this.calendarId,
        eventTypes: this.eventTypes,
      };
      do {
        const {
          data: {
            items, nextPageToken,
          },
        } = await this.googleCalendar.listEvents(params);
        if (items?.length) {
          calendarEvents.push(...items);
        }
        params.pageToken = nextPageToken;
      } while (params.pageToken);
      return calendarEvents;
    },
  },
  async run(event) {
    // self subscribe only on the first time
    if (!this._hasDeployed()) {
      await this.selfSubscribe();
    }

    const scheduledEventIds = this._getScheduledEventIds() || [];

    // incoming scheduled event
    if (event.$channel === this.selfChannel()) {
      const remainingScheduledEventIds = scheduledEventIds.filter((id) => id !== event["$id"]);
      this._setScheduledEventIds(remainingScheduledEventIds);
      this.emitEvent(event, `Upcoming ${event.summary} event`);
      return;
    }

    // schedule new events
    const scheduledCalendarEventIds = this._getScheduledCalendarEventIds() || {};
    const calendarEvents = await this.getCalendarEvents();

    for (const calendarEvent of calendarEvents) {
      const startTime = calendarEvent.start
        ? (new Date(calendarEvent.start.dateTime || calendarEvent.start.date))
        : null;
      if (!startTime
        || startTime.getTime() < Date.now()
        || scheduledCalendarEventIds[calendarEvent.id])
      {
        continue;
      }
      const later = new Date(this.subtractMinutes(startTime, this.time));

      const scheduledEventId = this.emitScheduleEvent(calendarEvent, later);
      scheduledEventIds.push(scheduledEventId);
      scheduledCalendarEventIds[calendarEvent.id] = true;
    }
    this._setScheduledEventIds(scheduledEventIds);
    this._setScheduledCalendarEventIds(scheduledCalendarEventIds);
  },
  sampleEmit,
};

Trigger 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.
LabelPropTypeDescription
Google CalendarpipedreamappThis component uses the Google Calendar app.
Google CalendargoogleCalendarappThis component uses the Google Calendar app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between executions.
N/Ahttp$.interface.httpThis 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 IDcalendarIdstringSelect a value from the drop down menu.
Event TypeseventTypesstring[]Select a value from the drop down menu:defaultfocusTimeoutOfOfficeworkingLocation
Minutes Beforetimeinteger

Number of minutes to trigger before the start of the calendar event.

Trigger 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:

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

About Google Calendar

With Google Calendar, you can quickly schedule meetings and events and get reminders about upcoming activities, so you always know what’s next.

Action

Description:Download an attachment by attachmentId to the /tmp directory. [See the documentation](https://developers.google.com/gmail/api/reference/rest/v1/users.messages.attachments/get)
Version:0.0.3
Key:gmail-download-attachment

Gmail Overview

By connecting your personal Gmail account to Pipedream, you'll be able to incorporate email into whatever you're building with any of the thousands of apps that are available on Pipedream.

Action Code

import gmail from "../../gmail.app.mjs";
import fs from "fs";
import path from "path";
import { ConfigurationError } from "@pipedream/platform";

export default {
  key: "gmail-download-attachment",
  name: "Download Attachment",
  description: "Download an attachment by attachmentId to the /tmp directory. [See the documentation](https://developers.google.com/gmail/api/reference/rest/v1/users.messages.attachments/get)",
  version: "0.0.3",
  type: "action",
  props: {
    gmail,
    messageId: {
      propDefinition: [
        gmail,
        "messageWithAttachments",
      ],
    },
    attachmentId: {
      propDefinition: [
        gmail,
        "attachmentId",
        ({ messageId }) => ({
          messageId,
        }),
      ],
      withLabel: true,
    },
    filename: {
      type: "string",
      label: "Filename",
      description: "Name of the new file. Example: `test.jpg`",
      optional: true,
    },
  },
  async run({ $ }) {
    const attachmentId = this.attachmentId.value || this.attachmentId;

    const attachment = await this.gmail.getAttachment({
      messageId: this.messageId,
      attachmentId,
    });

    const filename = this.filename || this.attachmentId.label;
    if (!filename) {
      throw new ConfigurationError("Please enter a filename to save the downloaded file as in the `/tmp` directory.");
    }

    const filePath = path.join("/tmp", filename);
    const buffer = Buffer.from(attachment.data, "base64");
    fs.writeFileSync(filePath, buffer);

    $.export("$summary", `Successfully created file ${filename} in \`/tmp\` directory`);

    return {
      filename,
      filePath,
    };
  },
};

Action Configuration

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

LabelPropTypeDescription
GmailgmailappThis component uses the Gmail app.
MessagemessageIdstringSelect a value from the drop down menu.
AttachmentattachmentIdstringSelect a value from the drop down menu.
Filenamefilenamestring

Name of the new file. Example: test.jpg

Action Authentication

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

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

emailprofileopenidhttps://www.googleapis.com/auth/gmail.labelshttps://www.googleapis.com/auth/gmail.sendhttps://www.googleapis.com/auth/gmail.modifyhttps://www.googleapis.com/auth/gmail.composehttps://www.googleapis.com/auth/gmail.settings.basic

About Gmail

Gmail offers private and secure email by Google at no cost, for business and consumer accounts.

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