OrthoBot Image Processing

OrthoBot3

//////////////////////////Upload Images///////////////////////////////////////////////////////
    if (ImageAttachURL == 0 || ImageAttachURL == null){                                     //If no image URLs are listed...                                                                            
      console.log("No images detected!");                                                   //Log no images detected  
    } else {                                                                                //If image URLs are listed...
      try{                                                                                  //Attempt to upload images from URLs
        var mediaId = new Array(0);                                                         //IDs for uploads, will be CSVs
        var imgs = ImageAttachURL.split(",");                                               //Split URL string into individual links
        console.log(imgs.length + " images detected!");                                     //Log number of images to upload
        for (i in imgs){                                                                    //For each image detected...
          console.log("processing upload: " + imgs[i]);                                     //Log the upload
          var blob = UrlFetchApp.fetch(imgs[i]).getBlob();                                  //Get URL and convert to Blob format
          var imageId = service.uploadMedia(blob);                                          //set imageID variable to pass through .uploadMedia
          if (imageId) {                                                                    //If imageId is valid...
            if (i == 0) {                                                                   //If it's the first image...
              mediaId = mediaId + imageId.media_id_string;                                  //get media ID (used to tweet image)
            } else if (i < 4) {                                                             //If it's the second, third, or fourth image
              mediaId = mediaId + "," + imageId.media_id_string;                            //get media ID
              console.log(imageId.media_id_string + " uploaded");                           //log media ID number
            } else {                                                                        //If 4 images have already been added to mediaId...
              console.log("Maximum Image (4) already attached! " + 
                       imageId.media_id_string + " NOT included");                          //Prevents tweet error for more than 4 images
            }
          } else {                                                                          //If imageId is not found...
            console.log("Image upload FAILED!");                                            //log failure
          }
        }                                                                                   //next image
        console.log("MEDIA ID(s): " + mediaId);                                             //Log number of successful uploads
        params.media_ids = mediaId;                                                         //set media_ids to string value containing uploaded IDs
      } catch (e) {                                                                         //If image upload fails (bad URL, etc)...  
        console.log("FAILURE! Error captured: " + e);                                       //Catch and log error             
      }            
  }                                                                                         //end of URL list parsing