old_contents: 
  //note must be set in gulp .sh config.
  const ServiceURL = process.env.ASSET_PROCESSING_SERVICE
  
  const Endpoints = {
      imageTagging: ServiceURL + "/image/tags/"
  }
  
  var AssetActions = {
      
      getSuggestedTags(mediaObject, callback) {
          switch(mediaObject.type) {
              case "image":
                  fetchSuggestedImageTags(mediaObject, callback); 
                  break;
              default: 
                  callback(); 
                  break;
          };
          //todo could implement video tags through AWS and text through a NLP service? need to look at adding timecode to video tags
          return
      },   
  
  
  }
  
  //functions that should not be user callable
  function fetchSuggestedImageTags(mediaObject, callback) {
      console.log(Endpoints.imageTagging + encodeURIComponent(mediaObject.url))
      fetch(Endpoints.imageTagging + encodeURIComponent(mediaObject.url))
      .then(response => {return response.json()})
          .then(json => {
              var tags = [];
              json[0].forEach(fullTag => {
                  tags.push(fullTag.tag); //NB: fulltag includes confidence/mid etc but we don't have anywhere to put this yet.
              });
              callback(tags);
          })
      .catch(function (err) {console.log("Error fetching from image processing service", err)})
      return
  }
  
  module.exports = AssetActions;
new_contents: 
  //note must be set in gulp .sh config.
  const ServiceURL = process.env.ASSET_PROCESSING_SERVICE
  
  const Endpoints = {
      imageTagging: ServiceURL + "/image/tags/"
  }
  
  var AssetActions = {
      
      getSuggestedTags(mediaObject, callback) {
          switch(mediaObject.type) {
              case "image":
                  fetchSuggestedImageTags(mediaObject, callback); 
                  break;
              default: 
                  callback([]); 
                  break;
          };
          //todo could implement video tags through AWS and text through a NLP service? need to look at adding timecode to video tags
          return
      },   
  
  
  }
  
  //functions that should not be user callable
  function fetchSuggestedImageTags(mediaObject, callback) {
      console.log(Endpoints.imageTagging + encodeURIComponent(mediaObject.url))
      fetch(Endpoints.imageTagging + encodeURIComponent(mediaObject.url))
      .then(response => {return response.json()})
          .then(json => {
              var tags = [];
              json[0].forEach(fullTag => {
                  tags.push(fullTag.tag); //NB: fulltag includes confidence/mid etc but we don't have anywhere to put this yet.
              });
              callback(tags);
          })
      .catch(function (err) {console.log("Error fetching from image processing service", err)})
      return
  }
  
  module.exports = AssetActions;
subject: Fix for automatic tagging, needs to return an empty list instead of null.