Custom script to integrate GitLab with TeamCity 8+

gitlab-teamcity-integration

// Configuration. GitLab API key, API url
var CIParams = {
      gitlabKey: 'YOURSECREKAPIKEY',
      gitlabApiUrl: 'https://gitlab/api/v3/',
      tcApiUrl: '/guestAuth/app/rest/',
      tcProtocol: 'https://'
   },
   cachedData = {
      currentProject: {id: -1},
      currentMergeRequest: {id: -1}
   };

/**
 * Checks if page is a merge request and renders build info
 */
function showCIInfo() {
   if (isPageMergeRequest()) {
      var projectParams = getCurrentProjectInfo();
      if (projectParams) {
         showBuildsInfo(projectParams);
      }
   }
}

function isPageMergeRequest() {
   return /https?:\/\/git\.sbis\.ru\/.*\/merge_requests\/\d+\/?/.test(document.location.href);
}

/**
 * Retrieve project meta-data from it's description.
 */
function getCurrentProjectInfo() {
   var dataProjectID = $('body').attr('data-project-id'); // Project ID is stored here
   if (cachedData.currentProject.id === dataProjectID) {
      return cachedData.currentProject;
   }
   var URL = CIParams.gitlabApiUrl + 'projects/' + dataProjectID, // Project info URL
      currentProject = null;
   if (!dataProjectID) {
      return null;
   }
   jQuery.ajax(URL, {
      'async': false,  // Yes, ASYNC = false
      'headers': {
         'Accept': 'application/json',
         'PRIVATE-TOKEN': CIParams.gitlabKey
      }
   }).done(function (data) {
      currentProject = data;
   });

   if (currentProject && currentProject.description) {
      cachedData.currentProject = currentProject;
      var metaInfo = currentProject.description.match(/\{.*\}/)[0];
      return JSON.parse(metaInfo);
   } else {
      return null;
   }
}

/**
 * Generate build status
 */
function showBuildsInfo(projectParams) {
   var mergeRequestInfo = getMergeRequestInfo();
   if (!mergeRequestInfo) {
      return;
   }
   var branchFrom = mergeRequestInfo.source_branch,
      branchTo = mergeRequestInfo.target_branch,
      buildsCount = projectParams.builds.length;

   if (projectParams.buildsPostfix) { 
      var postfix = branchFrom.split('/')[0].replace(/\./g, '');
      branchFrom = branchFrom.replace(/[^\/]+\//, '');
   }

   var $desc = $('.issue-box'),
      $ci = $desc.find('.ci');
   if (!$ci.length) {
      $ci = $('<div class="ci" style="padding: 15px 25px;"></div>');
      $desc.append($ci);
   }
   $ci.empty();
   $ci.append('<h4>Build status</h4>');

   for (var i = 0; i < buildsCount; i++) {
      if (projectParams.buildsPostfix) {
         projectParams.builds[i] += postfix;
      }
      $ci.append(generateBuildRow(projectParams, projectParams.builds[i], branchFrom, branchTo)); 
   }
}

/**
 * Get merge request info
 */
function getMergeRequestInfo() {
   var mergeID = document.location.href.match(/\d+(?=$|\/$|\/diffs$)/)[0];
   if (cachedData.currentMergeRequest.id === mergeID) {
      return cachedData.currentMergeRequest;
   }
   var titleText = $('.merge-request > .page-title').text(),
      projectID = $('body').attr('data-project-id'),
      URL = CIParams.gitlabApiUrl + 'projects/' + projectID + '/merge_requests?per_page=1&page=' + mergeID,
      mergeRequestInfo = null;
   jQuery.ajax(URL, {
      'async': false,
      'headers': {
         'Accept': 'application/json',
         'PRIVATE-TOKEN': CIParams.gitlabKey
      }
   }).done(function (data) {
      mergeRequestInfo = data[0];
   });
   cachedData.currentMergeRequest = mergeRequestInfo;
   return mergeRequestInfo;
}

/**
 * Generates HTML for each build status row
 */
function generateBuildRow(projectParams, buildType, branchFrom, branchTo) {
   var encodedBranchFrom = (branchFrom === 'master') ? encodeURIComponent('<default>') : encodeURIComponent(branchFrom),
      encodedBranchTo = (branchTo === 'master') ? encodeURIComponent('<default>') : encodeURIComponent(branchTo),
      html = '<p><a href="' + CIParams.tcProtocol + projectParams.ciserver + '/viewType.html?buildTypeId=' + buildType + '&branch=' + encodedBranchFrom + '" class="' + buildType + '">' +
         '<span class="buildName"></span> (' + branchFrom + ')</a>: ' +
         '<img src="' + CIParams.tcProtocol + projectParams.ciserver + CIParams.tcApiUrl + 'builds/buildType:' + buildType + ',branch:' + encodedBranchFrom + '/statusIcon" /> &#8680 ' +
         '<a href="' + CIParams.tcProtocol + projectParams.ciserver + '/viewType.html?buildTypeId=' + buildType + '&branch=' + encodedBranchTo + '" class="' + buildType + '">' +
         '<span class="buildName"></span> (' + branchTo + ')</a>: ';
   if (projectParams.buildsPostfix) {
      html += '<img src="' + CIParams.tcProtocol + projectParams.ciserver + CIParams.tcApiUrl + 'builds/buildType:' + buildType + ',branch:' + encodeURIComponent('<default>') + '/statusIcon" /></p>';
   } else {
      html += '<img src="' + CIParams.tcProtocol + projectParams.ciserver + CIParams.tcApiUrl + 'builds/buildType:' + buildType + ',branch:' + encodedBranchTo + '/statusIcon" /></p>';
   }

   $.ajax({ 
      url: CIParams.tcProtocol + projectParams.ciserver + CIParams.tcApiUrl + 'buildTypes/' + buildType,
      headers: {
         Accept: 'application/json'
      }
   }).done(function (res) {
      $('.' + buildType + ' .buildName').text(res.name);
   });

   return html;
}

showCIInfo();