add datalayer papi treasure box

Author: tdroberto

integration-box/datalayer_papi/README.md

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+# Data Layer Profile API
+
+----
+## Overview
+
+This project provides a solution to ingesting data from data layers (e.g. data coming from Adobe Experience Manager) residing on a frontend (e.g. customer's website), and on a subsequent PAPI call, we can fetch segment data from TD for near real-time (web) personalization.
+
+----
+## Implementation
+1. Copy and paste this code into customer's GTM container as a new tag (recommended) or inject it into their website directly.
+2. Change values for write-only API key, database, table, PAPI token and servlet host (if applicable).
+3. If GTM, make sure to set up the correct triggering. Page view works well.
+
+----
+## Considerations
+
+There is a more direct and efficient way to retrieve data from source applications, like AEM. However, that involves more development work on the client's side.
+
+This solution relies on a servlet in the backend that translates segment ids to segment names using TD's Audience API. This step would become obsolete in the near future, since PAPI will send segment names as well by default.
+
+----
+## Questions
+
+Please feel free to reach out to [email protected] with any questions you have about using this code.

integration-box/datalayer_papi/datalayer_papi.html

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+<script type="text/javascript">
+  // Inject TD JS SDK.
+  !function(t,e){if(void 0===e[t]){e[t]=function(){e[t].clients.push(this),this._init=[Array.prototype.slice.call(arguments)]},e[t].clients=[];for(var r=function(t){return function(){return this["_"+t]=this["_"+t]||[],this["_"+t].push(Array.prototype.slice.call(arguments)),this}},s=["addRecord","blockEvents","fetchServerCookie","fetchGlobalID","fetchUserSegments","resetUUID","ready","setSignedMode","setAnonymousMode","set","trackEvent","trackPageview","trackClicks","unblockEvents"],n=0;n<s.length;n++){var c=s[n];e[t].prototype[c]=r(c)}var o=document.createElement("script");o.type="text/javascript",o.async=!0,o.src=("https:"===document.location.protocol?"https:":"http:")+"//cdn.treasuredata.com/sdk/4.1/td.min.js";var a=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(o,a)}}("Treasure",this);
+  
+  // Create test datalayer.
+  window.testDataLayer = window.testDataLayer || [];
+  testDataLayer.push(
+    {
+      "test" : "testing"
+    });
+  console.log("DL ready");
+  console.log(testDataLayer);
+
+  // Initialize TD.
+  var td = new Treasure({
+    host: 'us01.records.in.treasuredata.com', // US RT endpoint
+    writeKey: 'xxx/yyyyy', // write-only TD API key
+    database: 'zzz', // TD database
+    // Send td_ip, td_user_agent, td_path, td_host, td_client_id and td_global_id from the beginning, if set. (Should ask for consent from website visitors first!)
+    startInSignedMode: true
+  });
+
+  // Send td_ip, td_user_agent, td_path, td_host, td_client_id and td_global_id, if set. (Should ask for consent from website visitors first!)
+  td.setSignedMode();
+  td.set('$global', 'td_global_id', 'td_global_id');
+  // Pass a value from testDataLayer.
+  td.set('pageviews', {login_status: testDataLayer[0]});
+  console.log(testDataLayer[0]);
+  // Track page view information to 'pageviews' table.
+  td.trackPageview('pageviews');
+  console.log("Pageviews sent");
+
+  // Initialize a data layer to store the segment ids and segment names in.
+  window.papiDataLayer = window.papiDataLayer || [];
+
+  // Initialize TD.
+  var fetchSegment = function(lookupKey, token) {
+    // Catch and process PAPI result from TD.
+    var successCallback = function(callbackResults) {
+      var papiData = JSON.parse(JSON.stringify(callbackResults[0])) // PAPI response (JSON).
+      var segmentIds = papiData["values"]; // Segment ID from PAPI response.
+      // Note: The below reverse lookup will be unnecessary once PAPI responds with segment names as well.
+      var servletUrl = 'aaa';
+      
+      // Reverse lookup segment id to obtain segment name (servlet calling TD's Audience API in the backend).
+      // Build the segment ids as query parameters.
+      if (segmentIds.length > 0) {
+        var segmentIdArr = "";
+        for (var j = 0; j < segmentIds.length; j++) {
+          if(segmentIds[j]) {
+            segmentIdArr = segmentIdArr + "segmentid=" + segmentIds[j] + "&";
+          }
+        };
+        segmentIdArr = segmentIdArr.slice(0, -1);
+        
+        // Call to servlet.
+        var xhr = new XMLHttpRequest();
+        xhr.onreadystatechange = function() {
+          if (xhr.readyState == 4) {
+            var audienceData = JSON.parse(xhr.responseText); // JSON response from servlet.
+            // Add segment names and ids to data layer.
+            for (var i = 0; i < audienceData.length; i++) {
+              var dataToPush = {
+                "segment name" : audienceData[i]["name"], // TD Segment name
+                "segment id" : audienceData[i]["id"] // TD Segment id
+              }
+              papiDataLayer.push(dataToPush);
+            }
+          }
+        }
+        xhr.open('GET', servletUrl + segmentIdArr, true);
+        xhr.send(null);
+      }
+    }
+  
+    // PAPI error handling - output to browser console.
+    var errorCallback = function(error) {
+      console.log(error);
+    }
+    
+    // Fetch data from PAPI.
+    td.fetchUserSegments({
+      audienceToken: [token], // TD PAPI token
+      keys: {td_client_id: lookupKey} // td_client_id (first-party cookie)
+    }, successCallback, errorCallback);
+  }
+  
+  // Function to get td_client_id.
+  // Input: cookie name, e.g. "_td"
+  // Output: cookie value
+  function get_cookie(cookie_name) {
+  var result = document.cookie.match('(^|;) ?' + cookie_name + '=([^;]*)(;|$)');
+  if(result)
+    return unescape(result[2]);
+  else
+    console.log("Error: Cookie not found.");
+  }
+
+  // Kick-off PAPI
+  setTimeout(function() {
+    var lookupKey = get_cookie("_td"); // td_client_id
+    var token = "aaa"; // TD PAPI token
+    fetchSegment(lookupKey, token);
+  }, 2500);
+  console.log("PAPI sent");
+</script>