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Make LoadCacheable collector return instance of T rather than string

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- Issue #1195, #1188
This commit is contained in:
John Lewin 2016-07-26 12:54:16 -07:00
parent b1c51490a8
commit 4ece8d18a7
5 changed files with 21 additions and 17 deletions
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18
ApplicationView/MainApplicationWidget.cs
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@ -48,6 +48,8 @@ using System.Threading.Tasks;
namespace MatterHackers.MatterControl
{
using OemProfileDictionary = Dictionary<string, Dictionary<string, string>>;
public abstract class ApplicationView : GuiWidget
{
public abstract void AddElements();
@ -179,8 +181,8 @@ namespace MatterHackers.MatterControl
public static Func<string, Task<Dictionary<string, string>>> GetProfileHistory;
public static Func<PrinterInfo,string, Task> GetPrinterProfile;
public static Func<Task> SyncPrinterProfiles;
public static Func<Task<string>> GetPublicProfileList;
public static Func<string, Task<string>> DownloadPublicProfileAsync;
public static Func<Task<OemProfileDictionary>> GetPublicProfileList;
public static Func<string, Task<PrinterSettings>> DownloadPublicProfileAsync;
public SlicePresetsWindow EditMaterialPresetsWindow { get; set; }
@ -221,7 +223,7 @@ namespace MatterHackers.MatterControl
/// </summary>
/// <param name="collector">The custom collector function to load the content</param>
/// <returns></returns>
public async static Task<T> LoadCacheableAsync<T>(string cacheKey, string cacheScope, Func<Task<string>> collector, string staticDataFallbackPath = null) where T : class
public async static Task<T> LoadCacheableAsync<T>(string cacheKey, string cacheScope, Func<Task<T>> collector, string staticDataFallbackPath = null) where T : class
{
string cacheDirectory = Path.Combine(ApplicationDataStorage.ApplicationUserDataPath, "data", "temp", "cache", cacheScope);
string cachePath = Path.Combine(cacheDirectory, cacheKey);
@ -232,15 +234,13 @@ namespace MatterHackers.MatterControl
try
{
// Try to update the document
string documentText = await collector();
T item = await collector();
if (!string.IsNullOrEmpty(documentText))
if (item != null)
{
var results = JsonConvert.DeserializeObject<T>(documentText);
// update cache on success
File.WriteAllText(cachePath, documentText);
return results;
File.WriteAllText(cachePath, JsonConvert.SerializeObject(item));
return item;
}
}
catch