update logging methods and fix Run-LocalInstallScript

Tools.ps1

@@ -25,7 +25,7 @@ If ( !(Test-Path $MSPLogs) )
 Function Log
 {
 param(
-    [Parameter(Mandatory=$true)][string]$Message,
+    [Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$Message,
     [Parameter(Mandatory=$false)][switch]$Error,
     [Parameter(Mandatory=$false)][string]$LogName
 )
@@ -57,12 +57,12 @@ If ( $Name -and $Type )
     $URL = "https://dev.emberkom.com/emberkom/${Type}/raw/branch/master/${Name}.ps1"
     Log "Retrieving : ${Name}.ps1"
     Try { $Script = (New-Object Net.WebClient).DownloadString($URL) }
-    Catch { Log -Message $_.Exception.Message -Error }
+    Catch { $_.Exception.Message | Log -Error }
     Try { $ScriptBlock = [Scriptblock]::Create($Script) }
-    Catch { Log -Message $_.Exception.Message -Error }
+    Catch { $_.Exception.Message | Log -Error }
     Log "Executing: ${Name}.ps1 ${Arguments}"
     Try { Invoke-Command -ScriptBlock $ScriptBlock -ArgumentList $Arguments }
-    Catch { Log -Message $_.Exception.Message -Error }
+    Catch { $_.Exception.Message | Log -Error }
 } Else { Log "No script or type was specified" }
 }
 
@@ -74,11 +74,10 @@ param(
     [Parameter(Mandatory=$true)][string]$Arguments,
     [Parameter(Mandatory=$true)][string]$AppName
 )
-If ( $AppName -eq "null" ) { $AppName = $false }
 If ( $Arguments -eq "null" ) { $Arguments = $null }
 If ( Test-Path "${Script}" )
 {
-    If ( $AppName )
+    If ( $AppName -ne "null" )
     {
         Log "Checking for running instances of ${AppName}"
         $RunningInstances = Get-Process | Where { $_.Name -like "${AppName}" }
@@ -86,15 +85,15 @@ If ( Test-Path "${Script}" )
         {
             Log "Executing: ${Script} ${Arguments}"
             Try { Start-Process "${Script}" -ArgumentList "{$Arguments}" -Wait }
-            Catch { Log -Message $_.Exception.Message -Error }
+            Catch { $_.Exception.Message | Log -Error }
         }
-        Else { Log "${AppName} is currently in use and will not be installed now" }
+        Else { Log "Dependent apps are currently in use and preventing the specified script from running" }
     }
     Else
     {
         Log "Executing: ${Script} ${Arguments}"
         Try { Start-Process "${Script}" -ArgumentList "{$Arguments}" -Wait }
-        Catch { Log -Message $_.Exception.Message -Error }
+        Catch { $_.Exception.Message | Log -Error }
     }
 }
 Else { Log "The specified script does not exist: ${Script}" }