PoShLog

1.0.1

functions/core/Install-PoShLogExtension.ps1

function Install-PoShLogExtension {
    [Cmdletbinding()]
    param(
        [Parameter(Mandatory = $true)]
        [string]$Id,
        [Parameter(Mandatory = $true)]
        [string]$Version,
        [Parameter(Mandatory = $false)]
        [string]$TargetFramework = 'net461',
        [Parameter(Mandatory = $false)]
        [switch]$Silent
    )

    [xml]$xml = Get-Content $Global:packagesConfigPath
    $packages = $xml.SelectSingleNode("//packages")
    $package = $xml.SelectSingleNode("//package[@id='$Id']")

    if ($Version -notmatch '(?<major>\d+|\*)(\.(?<minor>\d+|\*))?(\.(?<bugfix>\d+|\*))?') {
        Write-Error 'Wrong version format!'
    }
    else {
        $targetVersionMajor = $Matches.Major
        $targetVersionMinor = $Matches.Minor
        $targetVersionBugfix = $Matches.Bugfix

        if ($null -ne $package) {
            $currentVersion = $package.Attributes | Where-Object { $_.Name -eq 'version' } | Select-Object -ExpandProperty Value
            $currentVersion -match '(?<major>\d+|\*)(\.(?<minor>\d+|\*))?(\.(?<bugfix>\d+|\*))?' | Out-Null
    
            if ($Matches.Major -lt $targetVersionMajor -or 
                ($Matches.Major -eq $targetVersionMajor -and $Matches.Minor -lt $targetVersionMinor) -or
                ($Matches.Major -eq $targetVersionMajor -and $Matches.Minor -eq $targetVersionMinor -and $Matches.Bugfix -lt $targetVersionBugfix)
            ) {
                $package.Attributes | Where-Object { $_.Name -eq 'version' } | ForEach-Object { $_.Value = $Version } 
                $changed = $true
            }
            else {
                if (-not $Silent) {
                    Write-Warning "Package $Id is already installed with same or higher version."
                }
            }
        }
        else {
            $package = $xml.CreateElement("package")
    
            $idAttr = $xml.CreateAttribute("id")
            $idAttr.Value = $Id
            $package.SetAttributeNode($idAttr);
        
            $versionAttr = $xml.CreateAttribute("version")
            $versionAttr.Value = $Version
            $package.SetAttributeNode($versionAttr);
        
            $targetFrameworkAttr = $xml.CreateAttribute("targetFramework")
            $targetFrameworkAttr.Value = $TargetFramework
            $package.SetAttributeNode($targetFrameworkAttr);
        
            $packages.AppendChild($package)
            $changed = $true
        }
        
        if ($changed) {
            $xml.Save($Global:packagesConfigPath)
    
            Restore-AllExtensions -Silent:$Silent

            # Load package dlls
            $assemblies = Get-ChildItem "$Global:packagesPath\$Id.$Version\lib\*" | Where-Object { $_.Name -match 'net\d+' } | ForEach-Object { Get-ChildItem "$($_.FullName)\*.dll" }
            Add-Type -Path $assemblies -ErrorAction 'Stop'
        }
    }    
}