added installer "start over" feature

Author: cazac9

eFormAPI/Installation/AllowMultipleVersionsBundle/Program.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using System.Security;
 using Microsoft.Win32;
+using System.Reflection;
 
 namespace AlowMultipleVersionsBundle
 {
@@ -27,7 +28,25 @@ static void Main(string[] args)
                 SetupIIS();
 
                 string path = Path.Combine(Path.GetTempPath(), "Eform Angular Frontend.exe");
-                File.WriteAllBytes(path, Resources.Eform_Angular_Frontend);
+
+                try
+                {
+                    File.WriteAllBytes(path, Resources.Eform_Angular_Frontend);
+                }
+                catch 
+                {
+                    // in case if installer already running, there is no need to write its sources
+                }
+
+                var drive = DriveInfo.GetDrives().First(t => t.DriveType == DriveType.Fixed).Name;
+                var tmpDir = Path.Combine(drive, "tmp");
+                if (Directory.Exists(tmpDir))
+                    Directory.Delete(tmpDir, true);
+
+                var dirInfo = Directory.CreateDirectory(tmpDir);
+                dirInfo.Attributes = FileAttributes.Directory | FileAttributes.Hidden;
+                File.WriteAllText(dirInfo.FullName + "\\config.txt", Assembly.GetExecutingAssembly().Location);
+
                 Process.Start(path);
             }
             catch (SecurityException e)

eFormAPI/Installation/CustomActions/CustomAction.cs

@@ -438,6 +438,27 @@ public static ActionResult RemoveCA(Session session)
 
         }
 
+        [CustomAction]
+        public static ActionResult RestartInstallerCA(Session session)
+        {
+            try
+            {
+                var drive = DriveInfo.GetDrives().First(t => t.DriveType == DriveType.Fixed).Name;
+                var tmpDir = Path.Combine(drive, "tmp", "config.txt");
+
+                var location = File.ReadAllText(tmpDir);
+                Process.Start(location);
+
+                return ActionResult.Success;
+            }
+            catch (Exception ex)
+            {
+
+                MessageBox.Show(ex.Message + " " + ex.StackTrace);
+                return ActionResult.Failure;
+            }
+        }
+        
         private static long GetSiteId(string uiName)
         {
             using (var serverManager = new ServerManager())

eFormAPI/Installation/MainInstaller/ExitDlgModified.wxs

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
+  <Fragment>
+    <UI>
+      <Dialog Id="ExitDlgModified" Width="370" Height="270" Title="!(loc.ExitDialog_Title)">
+        <Control Id="Finish" Type="PushButton" X="248" Y="243" Width="56" Height="17" Default="yes" Cancel="yes" Text="!(loc.WixUIFinish)" />
+        <Control Id="Bitmap" Type="Bitmap" X="0" Y="0" Width="370" Height="234" TabSkip="no" Text="!(loc.ExitDialogBitmap)" />
+        <Control Id="StartOver" Type="PushButton" X="309" Y="243" Width="56" Height="17"   Cancel="yes" Text="Start over" >
+          <Publish Event="DoAction" Value="RestartInstaller">1</Publish>
+        </Control>
+        <Control Id="BottomLine" Type="Line" X="0" Y="234" Width="370" Height="0" />
+        <Control Id="Description" Type="Text" X="135" Y="70" Width="220" Height="40" Transparent="yes" NoPrefix="yes" Text="!(loc.ExitDialogDescription)" />
+        <Control Id="Title" Type="Text" X="135" Y="20" Width="220" Height="60" Transparent="yes" NoPrefix="yes" Text="!(loc.ExitDialogTitle)" />
+      </Dialog>
+
+      <InstallUISequence>
+        <Show Dialog="ExitDlgModified" OnExit="success" Overridable="yes" />
+      </InstallUISequence>
+
+      <AdminUISequence>
+        <Show Dialog="ExitDlgModified" OnExit="success" Overridable="yes" />
+      </AdminUISequence>
+    </UI>
+  </Fragment>
+</Wix>

eFormAPI/Installation/MainInstaller/MainInstaller.wixproj

@@ -24,6 +24,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="ApiFileList.wxs" />
+    <Compile Include="ExitDlgModified.wxs" />
     <Compile Include="DomainNameDlg.wxs" />
     <Compile Include="EmptyFIieldDlg.wxs" />
     <Compile Include="ClientFileList.wxs" />

eFormAPI/Installation/MainInstaller/Product.wxs

@@ -64,7 +64,8 @@
   <Fragment>
     <CustomAction Id="GetAPIsList" BinaryKey="BinaryCA" DllEntry="GetAPIsListCA" Execute="immediate" />
     <CustomAction Id="TryFindConfigs" BinaryKey="BinaryCA" DllEntry="TryFindConfigs" Execute="immediate"/>
-
+    <CustomAction Id="RestartInstaller" BinaryKey="BinaryCA" DllEntry="RestartInstallerCA" Execute="immediate" />
+    
     <CustomAction Id="Install" BinaryKey="BinaryCA" DllEntry="InstallCA" Execute="deferred" Impersonate="no" />
     <CustomAction Id="UpdateService" BinaryKey="BinaryCA" DllEntry="UpdateCA" Execute="deferred" Impersonate="no" />
     <CustomAction Id="RemoveService" BinaryKey="BinaryCA" DllEntry="RemoveCA" Execute="deferred" Impersonate="no" />

eFormAPI/Installation/MainInstaller/WixUI_InstallDirModified.wxs

@@ -20,10 +20,11 @@
       <DialogRef Id="ResumeDlg" />
       <DialogRef Id="UserExit" />
 
-      <Publish Dialog="ExitDialog" Control="Finish" Event="EndDialog" Value="Return" Order="999">1</Publish>
+      <Publish Dialog="ExitDlgModified" Control="Finish" Event="EndDialog" Value="Return" Order="999">1</Publish>
+      <Publish Dialog="ExitDlgModified" Control="StartOver" Event="EndDialog" Value="Return" Order="999">1</Publish>
 
       <Publish Dialog="WelcomeDlgModified" Control="Next" Event="NewDialog" Value="MaintenanceTypeModifiedDlg">1</Publish>
-
+  
       <Publish Dialog="MaintenanceTypeModifiedDlg" Control="Update" Event="NewDialog" Value="DomainNameSelectDlg">1</Publish>
       <Publish Dialog="MaintenanceTypeModifiedDlg" Control="Remove" Event="NewDialog" Value="DomainNameSelectDlg">1</Publish>
       <Publish Dialog="MaintenanceTypeModifiedDlg" Control="Install" Event="NewDialog" Value="LicenseAgreementDlg">1</Publish>