Use DispatchGroup for download licences

2018-02-26 14:22:37 +01:00
parent a7a6a1b315
commit 318d3e1f8e
2 changed files with 9 additions and 11 deletions
@@ -16,22 +16,20 @@ class LicenceDownloader: NSObject {
    class func downloadLicences(licences: [LicenceFile],
                                config: OpenSourceControllerConfig,
                                completion: @escaping () -> Void) {
-        // Number of licences 
-        let licenceCount = licences.count
-
-        // Already licence downloaded 
-        var alreadyDownloaded = 0
+        let licenceGroupe = DispatchGroup()

        // Download licence's detail for every lience 
        for licence in licences {
+            licenceGroupe.enter()
+            
            licence.downloadLicenceDetail(config: config, completion: { () in
-                alreadyDownloaded += 1
-
-                // If this is the last licence, perfom completion
-                if licenceCount == alreadyDownloaded {
-                    completion()
-                }
+                licenceGroupe.leave()
            })
        }
+        
+        // When everything is downloaded
+        licenceGroupe.notify(queue: .main) {
+            completion()
+        }
    }
 }