Return folder as part of file metadata (#369)

* path: "/folder-1/folder-2"
* when not in folder make sure path has "/"
* api.Files jsonfile, adds two fields: downloads, views

Author: MBcode

CHANGELOG.md

@@ -12,6 +12,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 space level. Make sure to start the application with -DMONGOUPDATE=1. You can also run the [fixCounts.js](https://github.com/clowder-framework/clowder/blob/develop/scripts/updates/fix-counts.js)
 script prior to upgrading to minimize the downtime.
 
+### Added
+- [#228](https://github.com/clowder-framework/clowder/issues/228) api.Files jsonfile, adds two fields "downloads" and "views"
+
 ### Added
 - MRI previewer for NIFTY (.nii) files.
 - HEIC (.heic) and HEIF (.heif) mimetypes to support new Apple iPhone image file format.

app/api/Files.scala

@@ -716,6 +716,12 @@ class Files @Inject()(
   }
 
   def jsonFile(file: File, serverAdmin: Boolean = false): JsValue = {
+    val foldersContainingFile = folders.findByFileId(file.id)
+    val allPaths: List[List[String]] =  (for (folder <- foldersContainingFile) yield (folderPath(folder, List()).tail))
+    var path_str = allPaths.map(xl => "/" + xl.map(x => x.toString()).mkString("/")).mkString("")
+    if(path_str == "") {
+       path_str = "/" 
+    }
     val defaultMap = Map(
       "id" -> file.id.toString,
       "filename" -> file.filename,
@@ -725,7 +731,11 @@ class Files @Inject()(
       "size" -> file.length.toString,
       "thumbnail" -> file.thumbnail_id.orNull,
       "authorId" -> file.author.id.stringify,
-      "status" -> file.status)
+      "status" -> file.status,
+      "views" -> file.stats.views.toString(),
+      "downloads" -> file.stats.downloads.toString(),
+      "path" -> path_str
+      )
 
     // Only include filepath if using DiskByte storage and user is serverAdmin
     val jsonMap = file.loader match {