345 lines
No EOL
8.9 KiB
C#
345 lines
No EOL
8.9 KiB
C#
/*
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Copyright (c) 2014, Lars Brubaker
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using MatterHackers.Agg.PlatformAbstract;
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using MatterHackers.Agg.UI;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Threading;
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namespace MatterHackers.MatterControl.DataStorage
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{
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public class ApplicationDataStorage
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{
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public bool FirstRun = false;
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//Describes the location for storing all local application data
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private static ApplicationDataStorage globalInstance;
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private static readonly string applicationDataFolderName = "MatterControl";
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private readonly string datastoreName = "MatterControl.db";
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private string applicationPath;
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//private string testDataPath = Path.Combine("..", "..", "..", "..", "Tests", "TestData");
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public ApplicationDataStorage()
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//Constructor - validates that local storage folder exists, creates if necessary
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{
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DirectoryInfo dir = new DirectoryInfo(ApplicationUserDataPath);
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if (!dir.Exists)
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{
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dir.Create();
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}
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}
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/// <summary>
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/// Creates a global instance of ApplicationDataStorage
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/// </summary>
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public static ApplicationDataStorage Instance
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{
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get
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{
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if (globalInstance == null)
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{
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globalInstance = new ApplicationDataStorage();
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}
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return globalInstance;
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}
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}
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private static string applicationUserDataPath = Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData), applicationDataFolderName);
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public string ApplicationLibraryDataPath
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{
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get
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{
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string libraryPath = Path.Combine(ApplicationDataStorage.ApplicationUserDataPath, "Library");
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//Create library path if it doesn't exist
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DirectoryInfo dir = new DirectoryInfo(libraryPath);
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if (!dir.Exists)
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{
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dir.Create();
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}
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return libraryPath;
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}
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}
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internal void OverrideApplicationPath(string path)
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{
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Directory.CreateDirectory(path);
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applicationUserDataPath = path;
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Datastore.Instance = new Datastore();
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Datastore.Instance.Initialize();
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}
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public string ApplicationPath
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{
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get
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{
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if (this.applicationPath == null)
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{
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applicationPath = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
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}
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return applicationPath;
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}
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}
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/// <summary>
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/// Returns the application temp data folder
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/// </summary>
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/// <returns></returns>
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public string ApplicationTempDataPath
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{
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get
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{
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return Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.LocalApplicationData), applicationDataFolderName, "data", "temp");
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}
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}
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/// <summary>
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/// Returns the application user data folder
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/// </summary>
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/// <returns></returns>
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public static string ApplicationUserDataPath
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{
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get
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{
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return applicationUserDataPath;
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}
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}
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/// <summary>
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/// Returns the path to the sqlite database
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/// </summary>
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/// <returns></returns>
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public string DatastorePath
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{
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get { return Path.Combine(ApplicationUserDataPath, datastoreName); }
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}
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/// <summary>
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/// Returns the gcode output folder
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/// </summary>
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/// <returns></returns>
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public string GCodeOutputPath
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{
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get
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{
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string gcodeOutputPath = Path.Combine(ApplicationUserDataPath, "data", "gcode");
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if (!Directory.Exists(gcodeOutputPath))
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{
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Directory.CreateDirectory(gcodeOutputPath);
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}
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return gcodeOutputPath;
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}
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}
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#if __ANDROID__
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/// <summary>
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/// Returns the public storage folder (ex. download folder on Android)
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/// </summary>
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/// <returns></returns>
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public string PublicDataStoragePath
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{
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get
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{
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return Android.OS.Environment.GetExternalStoragePublicDirectory(Android.OS.Environment.DirectoryDownloads).ToString();
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}
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}
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#endif
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public override string ToString()
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{
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return base.ToString();
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}
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}
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public class Datastore
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{
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bool wasExited = false;
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public bool ConnectionError = false;
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public ISQLite dbSQLite;
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private static string datastoreLocation = ApplicationDataStorage.Instance.DatastorePath;
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private static Datastore globalInstance;
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private ApplicationSession activeSession;
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private List<Type> dataStoreTables = new List<Type> { typeof(PrintItemCollection), typeof(PrinterSetting), typeof(CustomCommands), typeof(SystemSetting), typeof(UserSetting), typeof(ApplicationSession), typeof(PrintItem), typeof(PrintTask), typeof(Printer), typeof(SliceSetting), typeof(SliceSettingsCollection) };
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private bool TEST_FLAG = false;
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public Datastore()
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{
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if (!File.Exists(datastoreLocation))
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{
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ApplicationDataStorage.Instance.FirstRun = true;
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}
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OSType osType = OsInformation.OperatingSystem;
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switch (osType)
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{
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case OSType.Windows:
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dbSQLite = new SQLiteWin32.SQLiteConnection(datastoreLocation);
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break;
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case OSType.Mac:
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dbSQLite = new SQLiteUnix.SQLiteConnection(datastoreLocation);
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break;
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case OSType.X11:
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dbSQLite = new SQLiteUnix.SQLiteConnection(datastoreLocation);
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break;
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case OSType.Android:
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dbSQLite = new SQLiteAndroid.SQLiteConnection(datastoreLocation);
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break;
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default:
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throw new NotImplementedException();
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}
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if (TEST_FLAG)
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{
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//In test mode - attempt to drop all tables (in case db was locked when we tried to delete it)
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foreach (Type table in dataStoreTables)
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{
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try
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{
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this.dbSQLite.DropTable(table);
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}
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catch
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{
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GuiWidget.BreakInDebugger();
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}
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}
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}
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}
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public static Datastore Instance
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{
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get
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{
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if (globalInstance == null)
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{
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globalInstance = new Datastore();
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}
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return globalInstance;
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}
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internal set
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{
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globalInstance = value;
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}
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}
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public void Exit()
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{
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if (wasExited)
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{
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return;
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}
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wasExited = true;
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if (this.activeSession != null)
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{
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this.activeSession.SessionEnd = DateTime.Now;
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this.activeSession.Commit();
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}
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// lets wait a bit to make sure the commit has resolved.
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Thread.Sleep(100);
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try
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{
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dbSQLite.Close();
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}
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catch (Exception)
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{
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GuiWidget.BreakInDebugger();
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// we faild to close so lets wait a bit and try again
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Thread.Sleep(1000);
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try
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{
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dbSQLite.Close();
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}
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catch (Exception)
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{
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GuiWidget.BreakInDebugger();
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}
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}
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}
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public void Initialize()
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//Run initial checks and operations on sqlite datastore
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{
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if (TEST_FLAG)
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{
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ValidateSchema();
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GenerateSampleData sampleData = new GenerateSampleData();
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}
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else
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{
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ValidateSchema();
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}
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StartSession();
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}
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public int RecordCount(string tableName)
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{
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string query = string.Format("SELECT COUNT(*) FROM {0};", tableName);
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string result = Datastore.Instance.dbSQLite.ExecuteScalar<string>(query);
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return Convert.ToInt32(result);
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}
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private void StartSession()
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//Begins new application session record
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{
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activeSession = new ApplicationSession();
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dbSQLite.Insert(activeSession);
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}
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private void ValidateSchema()
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// Checks if the datastore contains the appropriate tables - adds them if necessary
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{
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foreach (Type table in dataStoreTables)
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{
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dbSQLite.CreateTable(table);
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//string query = string.Format("SELECT COUNT(*) FROM sqlite_master WHERE type='table' AND name='{0}';", table.Name);
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////SQLiteCommand command = dbSQLite.CreateCommand(query);
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//int RowCount = 0;
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//string result = dbSQLite.ExecuteScalar<string>(query);
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//RowCount = Convert.ToInt32(result);
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//if (RowCount == 0)
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//{
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// dbSQLite.CreateTable(table);
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//}
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}
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}
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public bool WasExited()
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{
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return Instance.wasExited;
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}
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}
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} |