major revamp of http client functionalit

lib/session/call-info.js

@@ -1,6 +1,10 @@
 const {CallDirection, CallStatus} = require('../utils/constants');
 const uuidv4 = require('uuid/v4');
 
+/**
+ * @classdesc Represents the common information for all calls
+ * that is provided in call status webhooks
+ */
 class CallInfo {
   constructor(opts) {
     this.direction = opts.direction;
@@ -48,11 +52,20 @@ class CallInfo {
     }
   }
 
+  /**
+   * update the status of the call
+   * @param {string} callStatus - current call status
+   * @param {number} sipStatus - current sip status
+   */
   updateCallStatus(callStatus, sipStatus) {
     this.callStatus = callStatus;
     if (sipStatus) this.sipStatus = sipStatus;
   }
 
+  /**
+   * associate customer-provided data with the call information.
+   * this information will be provided with every call status callhook
+   */
   set customerData(obj) {
     this._customerData = obj;
   }
@@ -84,6 +97,7 @@ class CallInfo {
     }
     return obj;
   }
+
 }
 
 module.exports = CallInfo;