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Append Text with Google Docs APIon Changes to Specific Files (Shared Drive) from Google Drive API

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Changes to Specific Files (Shared Drive) from the Google Drive API
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Append Text with the Google Docs API
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Getting Started

This integration creates a workflow with a Google Drive trigger and Google Docs 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 Changes to Specific Files (Shared Drive) trigger
    1. Connect your Google Drive account
    2. Select a Drive
    3. Optional- Configure Watch for changes to file properties
    4. Configure Push notification renewal schedule
    5. Optional- Select one or more Files
  3. Configure the Append Text action
    1. Connect your Google Docs account
    2. Select a Document
    3. Configure Text
    4. Optional- Configure Append at Beginning
  4. Deploy the workflow
  5. Send a test event to validate your setup
  6. Turn on the trigger

Details

This integration uses pre-built, open source 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:Watches for changes to specific files in a shared drive, emitting an event any time a change is made to one of those files
Version:0.0.1
Key:google_drive-changes-to-specific-files-shared-drive

Trigger Code

// This source processes changes to specific files in a user's Google Drive,
// implementing strategy enumerated in the Push Notifications API docs:
// https://developers.google.com/drive/api/v3/push .
//
// This source has two interfaces:
//
// 1) The HTTP requests tied to changes in files in the user's Google Drive
// 2) A timer that runs on regular intervals, renewing the notification channel as needed

import common from "../common-webhook.mjs";

import {
  GOOGLE_DRIVE_NOTIFICATION_CHANGE,
  GOOGLE_DRIVE_NOTIFICATION_ADD,
  GOOGLE_DRIVE_NOTIFICATION_UPDATE,
} from "../../constants.mjs";

/**
 * This source uses the Google Drive API's
 * {@link https://developers.google.com/drive/api/v3/reference/changes/watch changes: watch}
 * endpoint to subscribe to changes to the user's drive or a shard drive.
 */
export default {
  ...common,
  key: "google_drive-changes-to-specific-files-shared-drive",
  name: "Changes to Specific Files (Shared Drive)",
  description: "Watches for changes to specific files in a shared drive, emitting an event any time a change is made to one of those files",
  version: "0.0.1",
  type: "source",
  // Dedupe events based on the "x-goog-message-number" header for the target channel:
  // https://developers.google.com/drive/api/v3/push#making-watch-requests
  dedupe: "unique",
  props: {
    ...common.props,
    files: {
      type: "string[]",
      label: "Files",
      description: "The files you want to watch for changes.",
      optional: true,
      default: [],
      options({ prevContext }) {
        const { nextPageToken } = prevContext;
        const baseOpts = {};
        const opts = this.isMyDrive()
          ? baseOpts
          : {
            ...baseOpts,
            corpora: "drive",
            driveId: this.getDriveId(),
            includeItemsFromAllDrives: true,
            supportsAllDrives: true,
          };
        return this.googleDrive.listFilesOptions(nextPageToken, opts);
      },
    },
  },
  methods: {
    ...common.methods,
    getUpdateTypes() {
      return [
        GOOGLE_DRIVE_NOTIFICATION_ADD,
        GOOGLE_DRIVE_NOTIFICATION_CHANGE,
        GOOGLE_DRIVE_NOTIFICATION_UPDATE,
      ];
    },
    generateMeta(data, headers) {
      const {
        id: fileId,
        name: fileName,
        modifiedTime: tsString,
      } = data;
      const {
        "x-goog-message-number": eventId,
        "x-goog-resource-state": resourceState,
      } = headers;

      return {
        id: `${fileId}-${eventId}`,
        summary: `${resourceState.toUpperCase()} - ${
          fileName || "Untitled"
        }`,
        ts: Date.parse(tsString),
      };
    },
    isFileRelevant(file) {
      return this.files.includes(file.id);
    },
    async processChange(file, headers) {
      const eventToEmit = {
        file,
        change: {
          state: headers["x-goog-resource-state"],
          resourceURI: headers["x-goog-resource-uri"],
          changed: headers["x-goog-changed"], // "Additional details about the changes. Possible values: content, parents, children, permissions"
        },
      };
      const meta = this.generateMeta(file, headers);
      this.$emit(eventToEmit, meta);
    },
    async processChanges(changedFiles, headers) {
      for (const file of changedFiles) {
        if (!this.isFileRelevant(file)) {
          console.log(`Skipping event for irrelevant file ${file.id}`);
          continue;
        }
        this.processChange(file, headers);
      }
    },
  },
};

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 DrivegoogleDriveappThis component uses the Google Drive app.
N/Adb$.service.dbThis component uses $.service.db to maintain state between component invocations.
N/Ahttp$.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.
DrivedrivestringSelect a value from the drop down menu.
Watch for changes to file propertieswatchForPropertiesChangesboolean

Watch for changes to file properties
in addition to changes to content. Defaults to false, watching for only changes to content.

Push notification renewal scheduletimer$.interface.timer

The Google Drive API requires occasional renewal of push notification subscriptions. This runs in the background, so you should not need to modify this schedule.

Filesfilesstring[]Select a value from the drop down menu.

Trigger Authentication

Google Drive uses OAuth authentication. When you connect your Google Drive account, Pipedream will open a popup window where you can sign into Google Drive 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 Drive API.

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

emailprofilehttps://www.googleapis.com/auth/drivehttps://www.googleapis.com/auth/drive.readonly

About Google Drive

Internet-related services and products

Action

Description:Append text to an existing document. [See the docs](https://developers.google.com/docs/api/reference/rest/v1/documents/request#InsertTextRequest)
Version:0.1.1
Key:google_docs-append-text

Action Code

import googleDocs from "../../google_docs.app.mjs";

export default {
  key: "google_docs-append-text",
  name: "Append Text",
  description: "Append text to an existing document. [See the docs](https://developers.google.com/docs/api/reference/rest/v1/documents/request#InsertTextRequest)",
  version: "0.1.1",
  type: "action",
  props: {
    googleDocs,
    docId: {
      propDefinition: [
        googleDocs,
        "docId",
      ],
    },
    text: {
      propDefinition: [
        googleDocs,
        "text",
      ],
    },
    appendAtBeginning: {
      propDefinition: [
        googleDocs,
        "appendAtBeginning",
      ],
    },
  },
  async run({ $ }) {
    const text = {
      text: this.text,
    };
    await this.googleDocs.insertText(this.docId, text, this.appendAtBeginning);
    $.export("$summary", "Successfully appended text to doc");
    return {
      documentId: this.docId,
    };
  },
};

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
Google DocsgoogleDocsappThis component uses the Google Docs app.
DocumentdocIdstringSelect a value from the drop down menu.
Texttextstring

Enter static text (e.g., hello world) or a reference to a string exported by a previous step (e.g., {{steps.foo.$return_value}}).

Append at BeginningappendAtBeginningboolean

Whether to append at the beginning (true) of the document or at the end (false). Defaults to false

Action Authentication

Google Docs uses OAuth authentication. When you connect your Google Docs account, Pipedream will open a popup window where you can sign into Google Docs 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 Docs API.

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

emailprofilehttps://www.googleapis.com/auth/drive

About Google Docs

Free Online Documents for Personal Use

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