WindowsStore/WindowsPhone: More work on MPfm.Library; a new implement…

…ation of ISQLiteGateway is in progress for WinRT.

Related to issue #423 and issue #424.

MPfm/MPfm.Core/Helpers/FileHelper.cs

@@ -0,0 +1,43 @@
+// Copyright © 2011-2013 Yanick Castonguay
+//
+// This file is part of MPfm.
+//
+// MPfm is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// MPfm is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with MPfm. If not, see <http://www.gnu.org/licenses/>.
+
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using MPfm.Core.WinRT;
+#if WINDOWSSTORE
+using Windows.Storage;
+#endif
+
+namespace MPfm.Core.Helpers
+{
+    public static class FileHelper
+    {
+        public static bool FileExists(string filePath)
+        {
+            #if WINDOWSSTORE
+            //bool exists = await ApplicationData.Current.LocalFolder.FileExistsAsync(filePath);
+            var task = ApplicationData.Current.LocalFolder.FileExistsAsync(filePath);            
+            //task.RunSynchronously();
+            //return exists;
+            return true;
+            #else   
+            return File.Exists(filePath);
+            #endif
+        }
+    }
+}

MPfm/MPfm.Core/MPfm.Core.WindowsStore.csproj

@@ -108,6 +108,7 @@
     <Compile Include="CacheStore.cs" />
     <Compile Include="Conversion.cs" />
     <Compile Include="DatabaseFieldNameAttribute.cs" />
+    <Compile Include="Helpers\FileHelper.cs" />
     <Compile Include="Normalizer.cs" />
     <Compile Include="OS.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -117,6 +118,7 @@
     <Compile Include="Helpers\XMLHelper.cs" />
     <Compile Include="Network\IPAddressRangeFinder.cs" />
     <Compile Include="Network\WebClientTimeout.cs" />
+    <Compile Include="WinRT\ExtensionMethods.cs" />
     <Compile Include="XmlSerialization.cs" />
   </ItemGroup>
   <ItemGroup>

MPfm/MPfm.Core/WinRT/ExtensionMethods.cs

@@ -0,0 +1,37 @@
+// Copyright © 2011-2013 Yanick Castonguay
+//
+// This file is part of MPfm.
+//
+// MPfm is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// MPfm is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with MPfm. If not, see <http://www.gnu.org/licenses/>.
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Windows.Storage;
+
+namespace MPfm.Core.WinRT
+{
+    public static class ExtensionMethods
+    {
+        public async static Task<bool> FileExistsAsync(this StorageFolder folder, string name)
+        {
+            var files = await folder.GetFilesAsync();
+
+            return files.Any((f) => {
+                return f.Name == name;
+            });
+        }
+    }
+}