使用AEM元件自訂Adobe使用者端資料層 customize-data-layer

$ git clone git@github.com:adobe/aem-guides-wknd.git

$ cd aem-guides-wknd
$ mvn clean install -PautoInstallSinglePackage

window.adobeDataLayer.getState();

public interface Byline {
    ...
    /***
     * Return data about the Byline Component to populate the data layer
     * @return String
     */
    String getData();
}

import java.util.HashMap;
import java.util.Map;
import org.apache.sling.api.resource.Resource;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.adobe.cq.wcm.core.components.util.ComponentUtils;

public class BylineImpl implements Byline {
    ...
    @Override
    public String getData() {
        Resource bylineResource = this.request.getResource();
        // Use ComponentUtils to verify if the DataLayer is enabled
        if (ComponentUtils.isDataLayerEnabled(bylineResource)) {

            //Create a map of properties we want to expose
            Map<String, Object> bylineProperties = new HashMap<String,Object>();
            bylineProperties.put("@type", bylineResource.getResourceType());
            bylineProperties.put("name", this.getName());
            bylineProperties.put("occupation", this.getOccupations());
            bylineProperties.put("fileReference", image.getFileReference());

            //Use AEM Core Component utils to get a unique identifier for the Byline component (in case multiple are on the page)
            String bylineComponentID = ComponentUtils.getId(bylineResource, this.currentPage, this.componentContext);

            // Return the bylineProperties as a JSON String with a key of the bylineResource's ID
            try {
                return String.format("{\"%s\":%s}",
                    bylineComponentID,
                    // Use the ObjectMapper to serialize the bylineProperties to a JSON string
                    new ObjectMapper().writeValueAsString(bylineProperties));
            } catch (JsonProcessingException e) {

                LOGGER.error("Unable to generate dataLayer JSON string", e);
            }

        }
        // return null if the Data Layer is not enabled
        return null;
    }
}

$ cd aem-guides-wknd/core
$ mvn clean install -PautoInstallBundle

  <div data-sly-use.byline="com.adobe.aem.guides.wknd.core.models.Byline"
    data-sly-use.placeholderTemplate="core/wcm/components/commons/v1/templates.html"
    data-sly-test.hasContent="${!byline.empty}"
+   data-cmp-data-layer="${byline.data}"
    class="cmp-byline">
    ...

$ cd aem-guides-wknd/ui.apps
$ mvn clean install -PautoInstallPackage

window.adobeDataLayer.getState();

byline-136073cfcb:
    @type: "wknd/components/byline"
    fileReference: "/content/dam/wknd/en/contributors/stacey-roswells.jpg"
    name: "Stacey Roswells"
    occupation: (3) ["Artist", "Photographer", "Traveler"]
    parentId: "page-30d989b3f8"

  <h2 class="cmp-byline__name"
+    data-cmp-clickable="${byline.data ? true : false}">
     ${byline.name}
  </h2>

$ cd aem-guides-wknd/ui.apps
$ mvn clean install -PautoInstallPackage

function bylineClickHandler(event) {
    var dataObject = window.adobeDataLayer.getState(event.eventInfo.path);
    if (dataObject != null && dataObject['@type'] === 'wknd/components/byline') {
        console.log("Byline Clicked!");
        console.log("Byline name: " + dataObject['name']);
    }
}

window.adobeDataLayer.push(function (dl) {
     dl.addEventListener("cmp:click", bylineClickHandler);
});

import com.adobe.cq.wcm.core.components.models.datalayer.ComponentData;
...
public interface Byline {
    ...
    /***
     * Return data about the Byline Component to populate the data layer
     * @return ComponentData
     */
    ComponentData getData();
}

import com.adobe.cq.wcm.core.components.models.datalayer.ComponentData;
import com.adobe.cq.wcm.core.components.models.datalayer.builder.DataLayerBuilder;

@Override
public ComponentData getData() {
    Resource bylineResource = this.request.getResource();
    // Use ComponentUtils to verify if the DataLayer is enabled
    if (ComponentUtils.isDataLayerEnabled(bylineResource)) {

        return DataLayerBuilder.extending(getImage().getData()).asImageComponent()
            .withTitle(this::getName)
            .build();

    }
    // return null if the Data Layer is not enabled
    return null;
}

$ cd aem-guides-wknd/core
$ mvn clean install -PautoInstallBundle

  <div data-sly-use.byline="com.adobe.aem.guides.wknd.core.models.Byline"
    data-sly-use.placeholderTemplate="core/wcm/components/commons/v1/templates.html"
    data-sly-test.hasContent="${!byline.empty}"
-   data-cmp-data-layer="${byline.data}"
+   data-cmp-data-layer="${byline.data.json}"

$ cd aem-guides-wknd/ui.apps
$ mvn clean install -PautoInstallPackage

window.adobeDataLayer.getState();

byline-136073cfcb:
    @type: "wknd/components/byline"
    dc:title: "Stacey Roswells"
    image:
        @type: "image/jpeg"
        repo:id: "142658f8-4029-4299-9cd6-51afd52345c0"
        repo:modifyDate: "2019-10-25T23:49:51Z"
        repo:path: "/content/dam/wknd/en/contributors/stacey-roswells.jpg"
        xdm:tags: []
    parentId: "page-30d989b3f8"
    repo:modifyDate: "2019-10-18T20:17:24Z"