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Update for new version handling in settings provider

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This commit is contained in:
Chris Kaczor
2014-12-13 08:05:47 -05:00
parent 8f3a532abc
commit e3e17aa828
2 changed files with 22 additions and 12 deletions
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2
Application/App.xaml.cs
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@@ -50,7 +50,7 @@ namespace FeedCenter
genericProvider.SetSettingValue = SettingsStore.SetSettingValue;
genericProvider.DeleteSettingsForVersion = SettingsStore.DeleteSettingsForVersion;
genericProvider.GetVersionList = SettingsStore.GetVersionList;
genericProvider.DeleteOldVersionsOnUpgrade = false;
genericProvider.DeleteOldVersionsOnUpgrade = true;
// Initialize the tracer with the current process ID
Tracer.Initialize(SystemConfiguration.UserSettingsPath, FeedCenter.Properties.Resources.ApplicationName, Process.GetCurrentProcess().Id.ToString(CultureInfo.InvariantCulture), false);

32
Application/SettingsStore.cs
View File

@@ -1,4 +1,5 @@
using System.Collections.Generic;
using System;
using System.Collections.Generic;
using System.Linq;
namespace FeedCenter
@@ -24,33 +25,37 @@ namespace FeedCenter
entities.Dispose();
}
public static string GetSettingValue(object dataStore, string name, string version)
public static string GetSettingValue(object dataStore, string name, Version version)
{
var entities = (FeedCenterEntities) dataStore;
if (entities == null)
return null;
var setting = entities.Settings.FirstOrDefault(s => s.Name == name && s.Version == version);
var versionString = version.ToString();
var setting = entities.Settings.FirstOrDefault(s => s.Name == name && s.Version == versionString);
return setting == null ? null : setting.Value;
}
public static void SetSettingValue(object dataStore, string name, string version, string value)
public static void SetSettingValue(object dataStore, string name, Version version, string value)
{
var entities = (FeedCenterEntities) dataStore;
if (entities == null)
return;
var versionString = version.ToString();
// Try to get the setting from the database that matches the name and version
var setting = entities.Settings.FirstOrDefault(s => s.Name == name && s.Version == version);
var setting = entities.Settings.FirstOrDefault(s => s.Name == name && s.Version == versionString);
// If there was no setting we need to create it
if (setting == null)
{
// Create the new setting
setting = new Setting { Name = name, Version = version };
setting = new Setting { Name = name, Version = version.ToString() };
// Add the setting to the database
entities.Settings.Add(setting);
@@ -60,26 +65,31 @@ namespace FeedCenter
setting.Value = value;
}
public static List<string> GetVersionList(object dataStore)
public static List<Version> GetVersionList(object dataStore)
{
var entities = (FeedCenterEntities) dataStore;
if (entities == null)
return null;
return (from setting in entities.Settings
select setting.Version).Distinct().ToList();
// Get a distinct list of version strings
var versions = entities.Settings.Select(s => s.Version).Distinct().ToList();
// Create a version object for each string and return the list
return versions.Select(s => new Version(s)).ToList();
}
public static void DeleteSettingsForVersion(object dataStore, string version)
public static void DeleteSettingsForVersion(object dataStore, Version version)
{
var entities = (FeedCenterEntities) dataStore;
if (entities == null)
return;
var versionString = version.ToString();
// Get all the settings for the current version number
var settings = entities.Settings.Where(setting => setting.Version == version);
var settings = entities.Settings.Where(setting => setting.Version == versionString);
// Delete each setting
foreach (var setting in settings)