Adtype affinity v2 (ampproject#39287)

* Chanegs and imporvements for ad vendor Affinity
 On branch adtype_affinity_v2
 Changes to be committed:
	modified:   ads/ads.extern.js
	modified:   ads/vendors/affinity.js

* Code linted by AMP cli utility
 On branch adtype_affinity_v2
 Changes to be committed:
	modified:   ads/ads.extern.js
	modified:   ads/vendors/affinity.js

---------

Co-authored-by: github-01-affinity <github-01@affinity.com>

ads/ads.extern.js

@@ -326,8 +326,14 @@ data.width;
 data.height;
 data.adtype;
 data.adslot;
-data['multi-size'];
+data.slot;
+data.affLayout;
+data.multiSize;
 data.jsontargeting;
+data.affSticky;
+data.affTitle;
+data.affJson;
+data.affRtcConfig;
 data.extras;
 
 // adreactor.js

ads/vendors/affinity.js

@@ -7,22 +7,106 @@ import {loadScript, validateData} from '#3p/3p';
 export function affinity(global, data) {
   validateData(
     data,
-    ['width', 'height', 'adtype', 'adslot'],
-    ['multi-size', 'jsontargeting', 'extras']
+    ['width', 'height', 'adtype', ['adslot', 'slot']],
+    [
+      'affLayout',
+      'multiSize',
+      'affSticky',
+      'affTitle',
+      'affJson',
+      'affRtcConfig',
+      'jsontargeting',
+      'extras',
+    ]
   );
-  loadScript(
-    global,
-    'https://securepubads.g.doubleclick.net/tag/js/gpt.js',
-    () => {
-      loadScript(
-        global,
-        'https://cdn4-hbs.affinitymatrix.com/amp/v2022/amp.js',
-        () => {
-          (function () {
-            window.affinity.initAMP(global, data);
-          })();
+
+  const runV1 = function (g, d) {
+      if (false === g.isInitCalled) {
+        g.isInitCalled = true;
+        loadScript(g, gGPT, () => {
+          loadScript(g, affCDN + '/amp/v2022/amp.js', () => {
+            (function () {
+              window.affinity.initAMP(g, d);
+            })();
+          });
+        });
+      }
+    },
+    O2s = Object.prototype.toString,
+    isObject = function (val) {
+      return '[object Object]' == O2s.call(val);
+    },
+    chkIsvalidContext = function (mixContext) {
+      if ('string' == typeof mixContext) {
+        try {
+          mixContext = JSON.parse(mixContext);
+        } catch (e) {
+          return false;
         }
-      );
+      }
+      if (isObject(mixContext) && mixContext.sourceUrl) {
+        return true;
+      }
+      return false;
+    },
+    getAmpContext = function () {
+      if (chkIsvalidContext(W.context)) {
+        return W.context;
+      }
+      if (chkIsvalidContext(W.AMP_CONTEXT_DATA)) {
+        return W.AMP_CONTEXT_DATA;
+      }
+
+      return undefined;
+    },
+    jsonParse = function (strJson) {
+      let ret = null;
+      try {
+        ret = JSON.parse(strJson);
+      } catch (e) {
+        try {
+          ret = JSON.parse(strJson.split("'").join('"'));
+        } catch (e2) {}
+      }
+      return ret;
+    };
+  const W = global,
+    affCDN = 'https://cdn4-hbs.affinitymatrix.com',
+    gGPT = 'https://securepubads.g.doubleclick.net/tag/js/gpt.js',
+    extras = jsonParse(String(data.extras));
+
+  global.affinity = global.affinity || {task: []};
+  global.isInitCalled = false;
+  global.affinity.initAMP = function (global, data) {
+    if (global.isInitCalled == true) {
+      return;
     }
-  );
+    global.isInitCalled = true;
+    try {
+      const dtObj = new Date();
+      const cb = String(dtObj.getDate()) + dtObj.getMonth() + dtObj.getHours();
+      const dmn = extras.d.replace('www.', '');
+
+      const cfgData = {...data, ...extras};
+
+      const libUrl = affCDN + '/amplib/' + dmn + '/a' + cb + '/amp.php?t=' + cb;
+      loadScript(global, libUrl);
+      global.affinity.task.push(function () {
+        global.affinity.init(cfgData);
+      });
+    } catch (e) {
+      runV1(global, data);
+    }
+  };
+  try {
+    if (getAmpContext() !== undefined) {
+      if (extras && extras.ver && extras.ver == 1) {
+        // console.log('extras.ver == 1');
+        global.affinity.initAMP(global, data);
+        data.adStatus = Date.now();
+        return;
+      }
+    }
+  } catch (e) {}
+  runV1(global, data);
 }