From a4b18301e6ae2375d50be90ed1ff0f59bbdd359f Mon Sep 17 00:00:00 2001
From: Manuel Kamper <manuel@kmpr.at>
Date: Sun, 14 Apr 2019 13:51:03 +0200
Subject: [PATCH] initial

---
 .gitattributes                                | 63 +++++++++++++
 .../Mk0.Tools.SQLiteTools.sln                 | 25 +++++
 .../Mk0.Tools.SQLiteTools.csproj              | 52 +++++++++++
 .../Properties/AssemblyInfo.cs                | 36 ++++++++
 .../Mk0.Tools.SQLiteTools/SQLiteTools.cs      | 92 +++++++++++++++++++
 .../SQLiteToolsException.cs                   | 25 +++++
 6 files changed, 293 insertions(+)
 create mode 100644 .gitattributes
 create mode 100644 Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.sln
 create mode 100644 Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.csproj
 create mode 100644 Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Properties/AssemblyInfo.cs
 create mode 100644 Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteTools.cs
 create mode 100644 Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteToolsException.cs

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1ff0c42
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain
diff --git a/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.sln b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.sln
new file mode 100644
index 0000000..0135720
--- /dev/null
+++ b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28010.2050
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mk0.Tools.SQLiteTools", "Mk0.Tools.SQLiteTools\Mk0.Tools.SQLiteTools.csproj", "{72CAD41F-72FA-48A8-B94D-41BCC0610414}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{72CAD41F-72FA-48A8-B94D-41BCC0610414}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{72CAD41F-72FA-48A8-B94D-41BCC0610414}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{72CAD41F-72FA-48A8-B94D-41BCC0610414}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{72CAD41F-72FA-48A8-B94D-41BCC0610414}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {0919E075-88FE-4A1B-AC18-F68F7C15CDD4}
+	EndGlobalSection
+EndGlobal
diff --git a/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.csproj b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.csproj
new file mode 100644
index 0000000..4ac41d0
--- /dev/null
+++ b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools.csproj
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{72CAD41F-72FA-48A8-B94D-41BCC0610414}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Mk0.Tools.SQLiteTools</RootNamespace>
+    <AssemblyName>Mk0.Tools.SQLiteTools</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data.SQLite">
+      <HintPath>..\..\..\System.Data.SQLite.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="SQLiteTools.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SQLiteToolsException.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
\ No newline at end of file
diff --git a/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Properties/AssemblyInfo.cs b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..35b79bf
--- /dev/null
+++ b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("Mk0.Tools.SQLiteTools")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Mk0.Tools.SQLiteTools")]
+[assembly: AssemblyCopyright("Copyright ©  2019")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
+// für COM-Komponenten unsichtbar.  Wenn Sie auf einen Typ in dieser Assembly von
+// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("72cad41f-72fa-48a8-b94d-41bcc0610414")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
+// indem Sie "*" wie unten gezeigt eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteTools.cs b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteTools.cs
new file mode 100644
index 0000000..e9181e9
--- /dev/null
+++ b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteTools.cs
@@ -0,0 +1,92 @@
+using System;
+using System.Data.SQLite;
+
+namespace Mk0.Tools.SQLiteTools
+{
+    public static class SQLiteTools
+    {
+        /// <summary>
+        /// Connects to SQLite, only if sql=null
+        /// </summary>
+        /// <param name="fileName"></param>
+        /// <param name="sql"></param>
+        /// <returns></returns>
+        public static SQLiteConnection SQLiteConnect(this SQLiteConnection sql, string fileName)
+        {
+            if (sql == null)
+            {
+                try
+                {
+                    sql = new SQLiteConnection("Data Source=" + fileName + ";Version=3;")
+                    {
+                        ParseViaFramework = true
+                    };
+                    sql.Open();
+                }
+                catch (Exception ex)
+                {
+                    throw new SQLiteToolsException("Not connected to SQLite.", ex);
+                }
+            }
+            return sql;
+        }
+
+        /// <summary>
+        /// Disconnects from SQLite (optional VACUUM before diconnection)
+        /// </summary>
+        /// <param name="sql"></param>
+        /// <param name="vacuumBeforeClose"></param>
+        public static void SQLiteDisconnect(this SQLiteConnection sql, bool vacuumBeforeClose = false)
+        {
+            if (sql != null)
+            {
+                if (vacuumBeforeClose)
+                {
+                    try
+                    {
+                        SQLiteExecute(sql, "VACUUM;");
+                    }
+                    catch (Exception ex)
+                    {
+                        throw new SQLiteToolsException("Could not VACUUM before closing the SQLite Connection.", ex);
+                    }
+                }
+                try
+                {
+                    sql.Close();
+                    sql.Dispose();
+                }
+                catch (Exception ex)
+                {
+                    throw new SQLiteToolsException("Error while closing SQLite Connection.", ex);
+                }
+            }
+            else
+            {
+                throw new SQLiteToolsException("SQLite Connection is NULL - so it could not be closed.");
+            }
+        }
+
+        /// <summary>
+        /// Executes Queries on SQLite (no selects!)
+        /// </summary>
+        /// <param name="sql"></param>
+        /// <param name="query"></param>
+        public static void SQLiteExecute(this SQLiteConnection sql, string query)
+        {
+            try
+            {
+                SQLiteCommand command = new SQLiteCommand(sql)
+                {
+                    CommandText = query
+                };
+                command.ExecuteNonQuery();
+                command.Dispose();
+            }
+            catch (Exception ex)
+            {
+                throw new SQLiteToolsException("Could not execute the Query \"" + query + "\".", ex);
+            }
+        }
+    }
+}
diff --git a/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteToolsException.cs b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteToolsException.cs
new file mode 100644
index 0000000..5ecfb0d
--- /dev/null
+++ b/Mk0.Tools.SQLiteTools/Mk0.Tools.SQLiteTools/SQLiteToolsException.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace Mk0.Tools.SQLiteTools
+{
+    [Serializable]
+    internal class SQLiteToolsException : Exception
+    {
+        public SQLiteToolsException()
+        {
+        }
+
+        public SQLiteToolsException(string message) : base(message)
+        {
+        }
+
+        public SQLiteToolsException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        protected SQLiteToolsException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+        }
+    }
+}