Preview links with smart chips

/**
* Entry point for a support case link preview
*
* @param {!Object} event
* @return {!Card}
*/
// Creates a function that passes an event object as a parameter.
function caseLinkPreview(event) {

  // If the event object URL matches a specified pattern for support case links.
  if (event.docs.matchedUrl.url) {

    // Uses the event object to parse the URL and identify the case ID.
    const segments = event.docs.matchedUrl.url.split('/');
    const caseId = segments[segments.length - 1];

    // Builds a preview card with the case ID, title, and description
    const caseHeader = CardService.newCardHeader()
      .setTitle(`Case ${caseId}: Title bar is broken.`);
    const caseDescription = CardService.newTextParagraph()
      .setText('Customer can\'t view title on mobile device.');

    // Returns the card.
    // Uses the text from the card's header for the title of the smart chip.
    return CardService.newCardBuilder()
      .setHeader(caseHeader)
      .addSection(CardService.newCardSection().addWidget(caseDescription))
      .build();
  }
}

/**
 * 
 * A support case link preview.
 *
 * @param {!string} url
 * @return {!Card}
 */
function caseLinkPreview(url) {

  // Parses the URL to identify the case ID.
  const segments = url.split('/');
  const caseId = segments[segments.length - 1];

  // Returns the card.
  // Uses the text from the card's header for the title of the smart chip.
  return {
    header: {
      title: `Case ${caseId}: Title bar is broken.`
    },
    sections: [{
      widgets: [{
        textParagraph: {
          text: `Customer can't view title on mobile device.`
        }
      }]
    }]
  };
}

def case_link_preview(url):
    """A support case link preview.
    Args:
      url: The case link.
    Returns:
      A case link preview card.
    """

    # Parses the URL to identify the case ID.
    segments = url.split("/")
    case_id = segments[-1]

    # Returns the card.
    # Uses the text from the card's header for the title of the smart chip.
    return {
        "header": {"title": f"Case {case_id}: Title bar is broken."},
        "sections": [
            {
                "widgets": [
                    {
                        "textParagraph": {
                            "text": "Customer can't view title on mobile device."
                        }
                    }
                ]
            }
        ],
    }

/**
 * Creates a case link preview card.
 *
 * @param url A URL.
 * @return A case link preview card.
 */
Card caseLinkPreview(String url) {
  String[] segments = url.split("/");
  String caseId = segments[segments.length - 1];

  CardHeader cardHeader = new CardHeader();
  cardHeader.setTitle(String.format("Case %s: Title bar is broken.", caseId));

  TextParagraph textParagraph = new TextParagraph();
  textParagraph.setText("Customer can't view title on mobile device.");

  WidgetMarkup widget = new WidgetMarkup();
  widget.setTextParagraph(textParagraph);
  Section section = new Section();
  section.setWidgets(List.of(widget));

  Card card = new Card();
  card.setHeader(cardHeader);
  card.setSections(List.of(section));

  return card;
}

{
  "timeZone": "America/New_York",
  "exceptionLogging": "STACKDRIVER",
  "runtimeVersion": "V8",
  "oauthScopes": [
    "https://www.googleapis.com/auth/workspace.linkpreview"
  ],
  "addOns": {
    "common": {
      "name": "Preview support cases",
      "logoUrl": "https://developers.google.com/workspace/add-ons/images/link-icon.png",
      "layoutProperties": {
        "primaryColor": "#dd4b39"
      }
    },
    "docs": {
      "linkPreviewTriggers": [
        {
          "runFunction": "caseLinkPreview",
          "patterns": [
            {
              "hostPattern": "example.com",
              "pathPrefix": "support/cases"
            },
            {
              "hostPattern": "*.example.com",
              "pathPrefix": "cases"
            },
            {
              "hostPattern": "cases.example.com"
            }
          ],
          "labelText": "Support case",
          "localizedLabelText": {
            "es": "Caso de soporte"
          },
          "logoUrl": "https://developers.google.com/workspace/add-ons/images/support-icon.png"
        },
        {
          "runFunction": "peopleLinkPreview",
          "patterns": [
            {
              "hostPattern": "example.com",
              "pathPrefix": "people"
            }
          ],
          "labelText": "People",
          "localizedLabelText": {
            "es": "Personas"
          },
          "logoUrl": "https://developers.google.com/workspace/add-ons/images/person-icon.png"
        }
      ]
    }
  }
}

/**
* Entry point for a support case link preview
*
* @param {!Object} event
* @return {!Card}
*/
// Creates a function that passes an event object as a parameter.
function caseLinkPreview(event) {

  // If the event object URL matches a specified pattern for support case links.
  if (event.docs.matchedUrl.url) {

    // Uses the event object to parse the URL and identify the case ID.
    const segments = event.docs.matchedUrl.url.split('/');
    const caseId = segments[segments.length - 1];

    // Builds a preview card with the case ID, title, and description
    const caseHeader = CardService.newCardHeader()
      .setTitle(`Case ${caseId}: Title bar is broken.`);
    const caseDescription = CardService.newTextParagraph()
      .setText('Customer can\'t view title on mobile device.');

    // Returns the card.
    // Uses the text from the card's header for the title of the smart chip.
    return CardService.newCardBuilder()
      .setHeader(caseHeader)
      .addSection(CardService.newCardSection().addWidget(caseDescription))
      .build();
  }
}


/**
* Entry point for an employee profile link preview
*
* @param {!Object} event
* @return {!Card}
*/
function peopleLinkPreview(event) {

  // If the event object URL matches a specified pattern for employee profile links.
  if (event.docs.matchedUrl.url) {

    // Builds a preview card with an employee's name, title, email, and profile photo.
    const userHeader = CardService.newCardHeader().setTitle("Rosario Cruz");
    const userImage = CardService.newImage()
      .setImageUrl("https://developers.google.com/workspace/add-ons/images/employee-profile.png");
    const userInfo = CardService.newDecoratedText()
      .setText("rosario@example.com")
      .setBottomLabel("Case Manager")
      .setIcon(CardService.Icon.EMAIL);
    const userSection = CardService.newCardSection()
      .addWidget(userImage)
      .addWidget(userInfo);

    // Returns the card. Uses the text from the card's header for the title of the smart chip.
    return CardService.newCardBuilder()
      .setHeader(userHeader)
      .addSection(userSection)
      .build();
  }
}

const UrlParser = require('url');

/**
 * Responds to any HTTP request.
 *
 * @param {Object} req HTTP request context.
 * @param {Object} res HTTP response context.
 */
exports.createLinkPreview = (req, res) => {
  const event = req.body;
  if (event.docs.matchedUrl.url) {
    res.json(createCard(event.docs.matchedUrl.url));
  }
};

/**
 * Creates a preview link card for either a case link or people link.
 * 
 * @param {!String} url
 * @return {!Card}
 */
function createCard(url) {
  const parsedUrl = UrlParser.parse(url);
  if (parsedUrl.hostname === 'www.example.com') {
    if (parsedUrl.path.startsWith('/support/cases/')) {
      return caseLinkPreview(url);
    }

    if (parsedUrl.path.startsWith('/people/')) {
      return peopleLinkPreview();
    }
  }
}


/**
 * 
 * A support case link preview.
 *
 * @param {!string} url
 * @return {!Card}
 */
function caseLinkPreview(url) {

  // Parses the URL to identify the case ID.
  const segments = url.split('/');
  const caseId = segments[segments.length - 1];

  // Returns the card.
  // Uses the text from the card's header for the title of the smart chip.
  return {
    header: {
      title: `Case ${caseId}: Title bar is broken.`
    },
    sections: [{
      widgets: [{
        textParagraph: {
          text: `Customer can't view title on mobile device.`
        }
      }]
    }]
  };
}


/**
 * An employee profile link preview.
 *
 * @return {!Card}
 */
function peopleLinkPreview() {

  // Builds a preview card with an employee's name, title, email, and profile photo.
  // Returns the card. Uses the text from the card's header for the title of the smart chip.
  return {
    header: {
      title: "Rosario Cruz"
    },
    sections: [{
      widgets: [
        {
          image: {
            imageUrl: 'https://developers.google.com/workspace/add-ons/images/employee-profile.png'
          }
        }, {
          keyValue: {
            icon: "EMAIL",
            content: "rosario@example.com",
            bottomLabel: "Case Manager"
          }
        }
      ]
    }]
  };
}

from typing import Any, Mapping
from urllib.parse import urlparse

import flask
import functions_framework


@functions_framework.http
def create_link_preview(req: flask.Request):
    """Responds to any HTTP request.
    Args:
      req: HTTP request context.
    Returns:
      The response object.
    """
    event = req.get_json(silent=True)
    if event["docs"]["matchedUrl"]["url"]:
        return create_card(event["docs"]["matchedUrl"]["url"])


def create_card(url):
    """Creates a preview link card for either a case link or people link.
    Args:
      url: The matched url.
    Returns:
      A case link preview card or a people link preview card.
    """
    parsed_url = urlparse(url)
    if parsed_url.hostname != "www.example.com":
        return {}

    if parsed_url.path.startswith("/support/cases/"):
        return case_link_preview(url)

    if parsed_url.path.startswith("/people/"):
        return people_link_preview()

    return {}




def case_link_preview(url):
    """A support case link preview.
    Args:
      url: The case link.
    Returns:
      A case link preview card.
    """

    # Parses the URL to identify the case ID.
    segments = url.split("/")
    case_id = segments[-1]

    # Returns the card.
    # Uses the text from the card's header for the title of the smart chip.
    return {
        "header": {"title": f"Case {case_id}: Title bar is broken."},
        "sections": [
            {
                "widgets": [
                    {
                        "textParagraph": {
                            "text": "Customer can't view title on mobile device."
                        }
                    }
                ]
            }
        ],
    }




def people_link_preview():
    """An employee profile link preview.
    Returns:
      A people link preview card.
    """

    # Builds a preview card with an employee's name, title, email, and profile photo.
    # Returns the card. Uses the text from the card's header for the title of the smart chip.
    return {
        "header": {"title": "Rosario Cruz"},
        "sections": [
            {
                "widgets": [
                    {
                        "image": {
                            "imageUrl": "https:#developers.google.com/workspace/add-ons/images/employee-profile.png"
                        }
                    },
                    {
                        "keyValue": {
                            "icon": "EMAIL",
                            "content": "rosario@example.com",
                            "bottomLabel": "Case Manager",
                        }
                    },
                ]
            }
        ],
    }

import com.google.api.services.chat.v1.model.Card;
import com.google.api.services.chat.v1.model.CardHeader;
import com.google.api.services.chat.v1.model.Image;
import com.google.api.services.chat.v1.model.KeyValue;
import com.google.api.services.chat.v1.model.Section;
import com.google.api.services.chat.v1.model.TextParagraph;
import com.google.api.services.chat.v1.model.WidgetMarkup;
import com.google.cloud.functions.HttpFunction;
import com.google.cloud.functions.HttpRequest;
import com.google.cloud.functions.HttpResponse;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;

public class PreviewLink implements HttpFunction {
  private static final Gson gson = new Gson();

  /**
   * Responds to any HTTP request.
   *
   * @param request  An HTTP request context.
   * @param response An HTTP response context.
   */
  @Override
  public void service(HttpRequest request, HttpResponse response) throws Exception {
    JsonObject body = gson.fromJson(request.getReader(), JsonObject.class);
    String url = body.getAsJsonObject("docs")
        .getAsJsonObject("matchedUrl")
        .get("url")
        .getAsString();

    response.getWriter().write(gson.toJson(createCard(url)));
  }

  /**
   * Creates a preview link card for either a case link or people link.
   *
   * @param url A URL.
   * @return A case link preview card or a people link preview card.
   */
  Card createCard(String url) throws MalformedURLException {
    URL parsedURL = new URL(url);

    if (!parsedURL.getHost().equals("www.example.com")) {
      return new Card();
    }

    if (parsedURL.getPath().startsWith("/support/cases/")) {
      return caseLinkPreview(url);
    }

    if (parsedURL.getPath().startsWith("/people/")) {
      return peopleLinkPreview();
    }

    return new Card();
  }


  /**
   * Creates a case link preview card.
   *
   * @param url A URL.
   * @return A case link preview card.
   */
  Card caseLinkPreview(String url) {
    String[] segments = url.split("/");
    String caseId = segments[segments.length - 1];

    CardHeader cardHeader = new CardHeader();
    cardHeader.setTitle(String.format("Case %s: Title bar is broken.", caseId));

    TextParagraph textParagraph = new TextParagraph();
    textParagraph.setText("Customer can't view title on mobile device.");

    WidgetMarkup widget = new WidgetMarkup();
    widget.setTextParagraph(textParagraph);
    Section section = new Section();
    section.setWidgets(List.of(widget));

    Card card = new Card();
    card.setHeader(cardHeader);
    card.setSections(List.of(section));

    return card;
  }


  /**
   * Creates a people link preview card.
   *
   * @return A people link preview card.
   */
  Card peopleLinkPreview() {
    CardHeader cardHeader = new CardHeader();
    cardHeader.setTitle("Rosario Cruz");

    Image image = new Image();
    image.setImageUrl("https://developers.google.com/workspace/add-ons/images/employee-profile.png");

    WidgetMarkup imageWidget = new WidgetMarkup();
    imageWidget.setImage(image);

    KeyValue keyValue = new KeyValue();
    keyValue.setIcon("EMAIL");
    keyValue.setContent("rosario@example.com");
    keyValue.setBottomLabel("Case Manager");

    WidgetMarkup keyValueWidget = new WidgetMarkup();
    keyValueWidget.setKeyValue(keyValue);

    Section section = new Section();
    section.setWidgets(List.of(imageWidget, keyValueWidget));

    Card card = new Card();
    card.setHeader(cardHeader);
    card.setSections(List.of(section));

    return card;
  }

}