Open Realm database file

#24

Author: luosheng

OpenSim/ExtraApplicationActionable.swift

@@ -16,7 +16,7 @@ protocol ExtraApplicationActionable: ApplicationActionable {
 
 extension ExtraApplicationActionable {
 
-    private var appPath: String? {
+    var appPath: String? {
         return NSWorkspace.shared().absolutePathForApplication(withBundleIdentifier: appBundleIdentifier)
     }
 

OpenSim/OpenRealmAction.swift

@@ -12,16 +12,33 @@ final class OpenRealmAction: ExtraApplicationActionable {
 
     var application: Application?
 
-    let appBundleIdentifier = "io.realm.Realm-Browser"
+    let appBundleIdentifier = "io.realm.realmbrowser"
 
     let title = "Open Realm Database"
 
+    var isAvailable: Bool {
+        return appPath != nil && realmPath != nil
+    }
+    
+    var realmPath: String?
+    
     init(application: Application) {
         self.application = application
+        
+        if let sandboxUrl = application.sandboxUrl,
+            let enumerator = FileManager.default.enumerator(at: sandboxUrl, includingPropertiesForKeys: nil) {
+            while let fileUrl = enumerator.nextObject() as? URL {
+                if fileUrl.pathExtension.lowercased() == "realm" {
+                    realmPath = fileUrl.path
+                }
+            }
+        }
     }
 
     func perform() {
-        
+        if let realmPath = realmPath {
+            NSWorkspace.shared().openFile(realmPath, withApplication: "Realm Browser")
+        }
     }
 
 }