Private/AutomaticModuleUpdateFunctions.ps1
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function StartModuleUpdateIfNeeded { [CmdletBinding()] [OutputType([void])] Param ( [Parameter(Mandatory = $true, HelpMessage = 'The tiPS configuration to use to determine if the module should be updated.')] [ValidateNotNullOrEmpty()] [tiPS.Configuration] $Config ) [DateTime] $modulesLastUpdateDate = ReadModulesLastUpdateDateOrDefault [TimeSpan] $timeSinceLastUpdate = [DateTime]::Now - $modulesLastUpdateDate [int] $daysSinceLastUpdate = $timeSinceLastUpdate.Days [bool] $moduleUpdateNeeded = $false switch ($Config.AutoUpdateCadence) { ([tiPS.ModuleAutoUpdateCadence]::Never) { $moduleUpdateNeeded = $false; break } ([tiPS.ModuleAutoUpdateCadence]::Daily) { $moduleUpdateNeeded = $daysSinceLastUpdate -ge 1; break } ([tiPS.ModuleAutoUpdateCadence]::Weekly) { $moduleUpdateNeeded = $daysSinceLastUpdate -ge 7 ; break } ([tiPS.ModuleAutoUpdateCadence]::BiWeekly) { $moduleUpdateNeeded = $daysSinceLastUpdate -ge 14; break } ([tiPS.ModuleAutoUpdateCadence]::Monthly) { $moduleUpdateNeeded = $daysSinceLastUpdate -ge 30; break } } if ($moduleUpdateNeeded) { UpdateModule } else { Write-Debug "An auto-update of the tiPS module is not needed at this time." } } function UpdateModule { [CmdletBinding()] [OutputType([void])] Param() Write-Verbose "Updating the tiPS module in a background job." Start-Job -ScriptBlock { Write-Verbose "Updating the tiPS module." [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 Update-Module -Name 'tiPS' -Force Write-Verbose "Removing all but the latest version of the tiPS module to keep the modules directory clean." $latestModuleVersion = Get-InstalledModule -Name 'tiPS' $allModuleVersions = Get-InstalledModule -Name 'tiPS' -AllVersions $allModuleVersions | Where-Object { $_.Version -ne $latestModuleVersion.Version } | Uninstall-Module -Force } [DateTime] $todayWithoutTime = [DateTime]::Now.Date # Exclude the time for a better user experience. WriteModulesLastUpdateDate -ModulesLastUpdateDate $todayWithoutTime } function ReadModulesLastUpdateDateOrDefault { [CmdletBinding()] [OutputType([DateTime])] Param() [DateTime] $modulesLastUpdateDate = [DateTime]::MinValue [string] $moduleUpdateDateFilePath = GetModulesLastUpdateDateFilePath if (Test-Path -Path $moduleUpdateDateFilePath -PathType Leaf) { [string] $modulesLastUpdateDateString = Get-Content -Path $moduleUpdateDateFilePath -Raw $modulesLastUpdateDate = [DateTime]::Parse($modulesLastUpdateDateString) } return $modulesLastUpdateDate } function WriteModulesLastUpdateDate { [CmdletBinding()] [OutputType([void])] Param ( [DateTime] $ModulesLastUpdateDate ) [string] $moduleUpdateDateFilePath = GetModulesLastUpdateDateFilePath Write-Verbose "Writing modules last update date '$ModulesLastUpdateDate' to '$moduleUpdateDateFilePath'." $ModulesLastUpdateDate.ToString() | Set-Content -Path $moduleUpdateDateFilePath -Force -NoNewline } function GetModulesLastUpdateDateFilePath { [CmdletBinding()] [OutputType([string])] Param() [string] $appDataDirectoryPath = Get-TiPSDataDirectoryPath [string] $moduleUpdateDateFilePath = Join-Path -Path $appDataDirectoryPath -ChildPath 'ModulesLastUpdateDate.txt' return $moduleUpdateDateFilePath } |