Merge branch 'Handle_DB_Upgrade/Migration' into Release0.2

DataCenter_Windows/WindowsDataCenter/SQLiteRepository/DBVersion.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SQLiteRepository
+{
+    class DbVersion
+    {
+        public string VersionNumber { get; set; }
+    }
+}

DataCenter_Windows/WindowsDataCenter/SQLiteRepository/Properties/AssemblyInfo.cs

@@ -1,6 +1,6 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using SQLiteRepository.Properties;
 
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information
@@ -32,5 +32,14 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.1.5.0")]
+[assembly: AssemblyVersion(AssemblyInfo.ASSEMBLY_VERSION)]
-[assembly: AssemblyFileVersion("0.1.5.0")]
+[assembly: AssemblyFileVersion(AssemblyInfo.ASSEMBLY_FILE_VERSION)]
+
+namespace SQLiteRepository.Properties
+{
+    internal static class AssemblyInfo
+    {
+        internal const string ASSEMBLY_VERSION = "0.2.0.0";
+        internal const string ASSEMBLY_FILE_VERSION = "0.2.0.0";
+    }
+}

DataCenter_Windows/WindowsDataCenter/SQLiteRepository/SQLiteRepository.cs

@@ -8,6 +8,7 @@ using System.Reflection;
 using Interfaces;
 using SQLite.Net;
 using SQLite.Net.Platform.Win32;
+using SQLiteRepository.Properties;
 
 namespace SQLiteRepository
 {
@@ -32,7 +33,68 @@ namespace SQLiteRepository
             _connection.CreateTable<TimeLogDb>();
             _connection.CreateTable<GroupDb>();
             _connection.CreateTable<UserGroupJoinDb>();
+            _connection.CreateTable<DbVersion>();
             _logger.Trace("Initialised SQLite Repository");
+            _logger.Trace("Checking For Upgrades");
+            CheckForDbUpgrade();
+        }
+
+        private void CheckForDbUpgrade()
+        {
+            var data = _connection.Query<DbVersion>("select * from DbVersion");
+            if (!data.Any())
+            {
+                //Pre-Upgrade database, need upgrading
+                _logger.Trace("Pre version 0.2 RC database found, performing update..");
+                ExecuteUpgradeFromVersion("0.1"); //execute 0.2 upgrade scripts onwards.
+            }
+            else
+            {
+                var installedVersion = new Version(data.First().VersionNumber);
+                var currentVersion = new Version(AssemblyInfo.ASSEMBLY_VERSION);
+                if (currentVersion.CompareTo(installedVersion) > 0) //greater than 0 - current version is newer
+                {
+                    _logger.Trace("Installed Database Version: {0} is older than current version {1}");
+                    ExecuteUpgradeFromVersion(installedVersion.ToString());
+                }
+            }
+        }
+
+        private void ExecuteUpgradeFromVersion(string installedVersion)
+        {
+            const string PREFIX = "SQLiteRepository.UpgradeScripts.";
+            var instVers = new Version(installedVersion);
+            //so we have established that each script for upgrade will be <version>.sql, so now start at lowest version and work up!
+            var assembly = Assembly.GetExecutingAssembly();
+            var upgradeScripts = assembly.GetManifestResourceNames()
+                                    .Where(x=>x.StartsWith(PREFIX))
+                                    .OrderBy(x=>new Version(Path.GetFileNameWithoutExtension(x.Replace(PREFIX, ""))))
+                                    .Where(x =>
+                                            {
+                                                var scriptVersion = new Version(Path.GetFileNameWithoutExtension(x.Replace(PREFIX, ""))).CompareTo(instVers);
+                                                return scriptVersion > 0;
+                                            }
+                                          )
+                                    .ToList();
+            //now have an ordered list of upgrade script files, so execute in order!
+            foreach (var upgradeScript in upgradeScripts)
+            {
+                using (var stream = assembly.GetManifestResourceStream(upgradeScript))
+                using(var str = new StreamReader(stream))
+                {
+                    var script = str.ReadToEnd();
+                    _logger.Trace("Executing upgrade script with name: {0}", upgradeScript);
+                    _connection.Execute(script);
+                }
+            }
+            SetDbVersion(AssemblyInfo.ASSEMBLY_VERSION);
+        }
+
+        private void SetDbVersion(string vers)
+        {
+            _connection.DeleteAll<DbVersion>();
+            _connection.Insert(new DbVersion {VersionNumber = vers});
+            _logger.Trace("Set Database version to: {0}", vers);
         }
 
         public UserList GetUsers(int pageNumber = -1, int pageSize = -1, int groupId = -1)

DataCenter_Windows/WindowsDataCenter/SQLiteRepository/SQLiteRepository.csproj

@@ -77,7 +77,9 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="AssemblyVersionInfo.cs" />
     <Compile Include="CardUniqueId.cs" />
+    <Compile Include="DBVersion.cs" />
     <Compile Include="GroupDb.cs" />
     <Compile Include="LogSourceDb.cs" />
     <Compile Include="SQLiteRepository.cs" />
@@ -102,6 +104,12 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="UpgradeScripts\0.2.sql" />
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="UpgradeScripts\0.3.sql" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="..\packages\System.Data.SQLite.Core.1.0.104.0\build\net451\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.104.0\build\net451\System.Data.SQLite.Core.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">

DataCenter_Windows/WindowsDataCenter/SQLiteRepository/UpgradeScripts/0.2.sql

@@ -0,0 +1 @@
+insert into GroupDb values ((select max(groupId) from GroupDb)+1,'Archived',0)