From 6423195cc6ced3530014b85d213bf447ed793569 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Frankiewicz?= <michal@frankiewicz.me>
Date: Tue, 29 Jun 2021 17:09:27 +0200
Subject: [PATCH] [UW-2538] adds method to check survey completion

---
 src/Service/SurveyService.php | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/Service/SurveyService.php b/src/Service/SurveyService.php
index fa0d4d9..1312db6 100644
--- a/src/Service/SurveyService.php
+++ b/src/Service/SurveyService.php
@@ -421,4 +421,40 @@ class SurveyService
 
         return $surveySummary;
     }
+
+    /**
+     * @param $surveyId
+     * @param $email
+     * @return bool
+     * @throws CannotProcessDataException
+     * @throws UnknownInstanceOfResultItem
+     * @throws UnknownMethodException
+     */
+    public function hasSurveyBeenCompletedByEmail($surveyId, $email)
+    {
+        $arguments = [
+            $surveyId,
+            $offset = 0,
+            $limit = 1,
+            $includeUnused = false,
+            $attributes = false,
+            ['email' => $email]
+        ];
+
+        try {
+            /** @var Collection $participants */
+            $participants = $this
+                ->client
+                ->run(MethodType::LIST_PARTICIPANTS, $arguments)
+                ->getData();
+
+            return $participants->count() > 0;
+        } catch (CannotProcessDataException $exception) {
+            if (ReasonType::NO_PARTICIPANTS_FOUND !== $exception->getReason()) {
+                throw $exception;
+            }
+        }
+
+        return false;
+    }
 }