major refactoring

lib/session/confirm-call-session.js

@@ -0,0 +1,26 @@
+const CallSession = require('./call-session');
+const {CallDirection} = require('../utils/constants');
+
+class ConfirmCallSession extends CallSession {
+  constructor({logger, application, dlg, ep, tasks}) {
+    super({
+      logger,
+      application,
+      srf: dlg.srf,
+      callSid: dlg.callSid,
+      tasks
+    });
+    this.dlg = dlg;
+    this.ep = ep;
+    this.direction = CallDirection.Outbound;
+  }
+
+  /**
+   * empty implementation to override superclass so we do not delete dlg and ep
+   */
+  _clearCalls() {
+  }
+
+}
+
+module.exports = ConfirmCallSession;