Promise Inception

.js

  let promiseURL = function(searchTerm) {
    return new Promise(function(resolve, reject) {
      $http.get('https://api.cognitive.microsoft.com/bing/v5.0/images/search?q=' + searchTerm + '&count=1&offset=0&mkt=en-us&safeSearch=Strict', {
        headers: {
          'Ocp-Apim-Subscription-Key': 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
        }
      }).success(function(response) {
        resolve(response);
      }).error(function(err, status) {
        reject(err);
      })
    })
  };

  let fetchImageURL = function() {
    return new Promise(function(resolve, reject) {
      var URLs = [];
      for (var i = 0; i < $scope.poll.options.length; i++) {
        promiseURL($scope.poll.options[i].text)
          .then(function(data) {
            console.log(data); //THIS CONSOLE.LOG OCCURS AFTER THE RESOLVE IS CALLED
            URLs.push(data.value[0].contentURL);
          })
          .catch(function(error) {
            console.log(error);
          });
      }
      if(URLs.length == $scope.poll.options.length) {
        resolve(URLs); 
      } else {
        reject("Error URLs was blank"); //RETURNS A BLANK ARRAY
      }
    })
  }

  $scope.submitChoice = function() {
    var isValid = true;
    if (isValid) {
      fetchImageURL().then(function(data) {
        console.log(data);
      });
    } else {
      console.log("Not Valid Poll");
    }
  }