From 8ac598b36486b827d47da1ef36c3e2de06eedc50 Mon Sep 17 00:00:00 2001
From: Oleg Petrov <madopcode@gmail.com>
Date: Thu, 19 Aug 2021 08:33:56 +0300
Subject: [PATCH] Implements tracking of resume link clicking.

---
 .../components/PositionCandidates/index.jsx   | 35 ++++++++++++++++---
 .../PositionCandidates/styles.module.scss     | 12 +++++++
 src/services/requestInterceptor.js            |  8 +++++
 src/services/teams.js                         | 25 ++++++++++++-
 4 files changed, 74 insertions(+), 6 deletions(-)

diff --git a/src/routes/PositionDetails/components/PositionCandidates/index.jsx b/src/routes/PositionDetails/components/PositionCandidates/index.jsx
index cf56f90e..59f4ac76 100644
--- a/src/routes/PositionDetails/components/PositionCandidates/index.jsx
+++ b/src/routes/PositionDetails/components/PositionCandidates/index.jsx
@@ -5,6 +5,7 @@
  */
 import React, { useMemo, useState, useCallback, useEffect } from "react";
 import PT from "prop-types";
+import cn from "classnames";
 import _ from "lodash";
 import CardHeader from "components/CardHeader";
 import "./styles.module.scss";
@@ -24,6 +25,7 @@ import Pagination from "components/Pagination";
 import IconResume from "../../../../assets/images/icon-resume.svg";
 import { toastr } from "react-redux-toastr";
 import { getJobById } from "services/jobs";
+import { touchCandidateResume } from "services/teams";
 import { PERMISSIONS } from "constants/permissions";
 import { hasPermission } from "utils/permissions";
 import ActionsMenu from "components/ActionsMenu";
@@ -140,6 +142,27 @@ const PositionCandidates = ({ position, statusFilterKey, updateCandidate }) => {
     [setPage]
   );
 
+  const [isTouchingResume, setIsTouchingResume] = useState(false);
+  const onClickResumeLink = (event) => {
+    let targetData = event.target.dataset;
+    let candidateId = targetData.candidateId;
+    if (!candidateId) {
+      return;
+    }
+    let resumeLink = targetData.resumeLink;
+    setIsTouchingResume(true);
+    touchCandidateResume(candidateId)
+      .then(() => {
+        if (resumeLink) {
+          window.open(resumeLink, "_blank");
+        }
+      })
+      .catch(console.error)
+      .finally(() => {
+        setIsTouchingResume(false);
+      });
+  };
+
   const markCandidateSelected = useCallback(
     (candidate) => {
       return updateCandidate(candidate.id, {
@@ -222,14 +245,16 @@ const PositionCandidates = ({ position, statusFilterKey, updateCandidate }) => {
                     limit={7}
                   />
                   {candidate.resume && (
-                    <a
-                      href={`${candidate.resume}`}
-                      styleName="resume-link"
-                      target="_blank"
+                    <button
+                      type="button"
+                      data-candidate-id={candidate.id}
+                      data-resume-link={`${candidate.resume}`}
+                      onClick={onClickResumeLink}
+                      styleName={cn("resume-link", { busy: isTouchingResume })}
                     >
                       <IconResume />
                       Download Resume
-                    </a>
+                    </button>
                   )}
                 </div>
                 {statusFilterKey === CANDIDATE_STATUS_FILTER_KEY.INTERESTED && (
diff --git a/src/routes/PositionDetails/components/PositionCandidates/styles.module.scss b/src/routes/PositionDetails/components/PositionCandidates/styles.module.scss
index 11babadb..3c26b107 100644
--- a/src/routes/PositionDetails/components/PositionCandidates/styles.module.scss
+++ b/src/routes/PositionDetails/components/PositionCandidates/styles.module.scss
@@ -81,12 +81,24 @@
   display: inline-flex;
   align-items: center;
   margin-top: 5px;
+  border: none;
+  padding: 0;
+  width: auto;
+  height: auto;
+  color: #0d61bf;
+  background: transparent;
+  outline: none !important;
+  box-shadow: none !important;
 
   > svg {
     margin-right: 10px;
   }
 }
 
+.busy {
+  cursor: wait;
+}
+
 @media (max-width: 850px) {
   .table-row {
     flex-wrap: wrap;
diff --git a/src/services/requestInterceptor.js b/src/services/requestInterceptor.js
index e17878a7..bead2f0a 100644
--- a/src/services/requestInterceptor.js
+++ b/src/services/requestInterceptor.js
@@ -35,3 +35,11 @@ axiosInstance.interceptors.response.use(
     return Promise.reject(error);
   }
 );
+
+export const fetchCustom = async (url, init = {}) => {
+  let { tokenV3 } = await getAuthUserTokens();
+  let headers = init.headers || {};
+  headers.Authorization = `Bearer ${tokenV3}`;
+  init.headers = headers;
+  return fetch(url, init);
+};
diff --git a/src/services/teams.js b/src/services/teams.js
index 59a660b9..1e0ed867 100644
--- a/src/services/teams.js
+++ b/src/services/teams.js
@@ -1,7 +1,11 @@
 /**
  * Topcoder TaaS Service
  */
-import { axiosInstance as axios } from "./requestInterceptor";
+import {
+  axiosInstance as axios,
+  fetchCustom as fetch,
+} from "./requestInterceptor";
+
 import config from "../../config";
 
 /**
@@ -93,6 +97,25 @@ export const patchCandidateInterview = (candidateId, interviewData) => {
   );
 };
 
+/**
+ * Sends request to candidate's resume URL while trying to avoid downloading
+ * the resume itself.
+ *
+ * @param {string} candidateId interview candidate id
+ * @returns {Promise}
+ */
+export const touchCandidateResume = async (candidateId) => {
+  try {
+    // The result of redirect to different origin will not contain any useful
+    // data. See https://fetch.spec.whatwg.org/#atomic-http-redirect-handling
+    await fetch(`${config.API.V5}/jobCandidates/${candidateId}/resume`, {
+      redirect: "manual",
+    });
+  } catch (error) {
+    console.error(error);
+  }
+};
+
 /**
  * Get Team Members
  *