Private/New-IdoItCacheFile.ps1
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Function New-IdoItCacheFile { <# .SYNOPSIS Creates a new Cache File in the users local app data directory .DESCRIPTION Creates a new Cache File in the users local app data directory .PARAMETER CacheData This parameter accepts a PSObject and will convert it into JSON and appends it into the cache file .PARAMETER CacheType CacheType defines wich type of cache to be written. .EXAMPLE PS> New-IdoItCacheFile -CacheType Constant -CacheData (Get-IdoItConstant) This will create a new cache for idoit constants .NOTES Version 0.1.0 20.01.2018 CB initial release #> [CmdletBinding( SupportsShouldProcess = $True )] Param ( [Parameter ( Mandatory = $True, Position = 0 )] [PSObject]$CacheData, [Parameter ( Mandatory = $True )] [ValidateSet('Constant','Config')] [String]$CacheType ) Begin { # $VerbosePreference = Continue $CachePath = $env:LOCALAPPDATA+"\.psidoit" #$CacheMetaDataFile = $CachePath + "\cachemetadata.json" $CacheFile = $CachePath + "\$CacheType.json" $CacheDataObject = [PSCustomObject]@{ 'CreationTime' = (Get-Date -Format o) 'CacheType' = $CacheType 'Data' = $CacheData } } Process { # More work needed :-) Try { If ( -Not (Test-Path $CachePath ) ) { New-Item -ItemType Directory -Path $CachePath } Write-Verbose "Creating idoit cache file" ConvertTo-Json -InputObject $CacheDataObject -Depth 4 | Out-File -FilePath ($CacheFile) -Encoding default -Force:$True } Catch [Exeption] { Throw $_ } } } #Create a cache meta file to store cache age and some other stuff into it #Write-Verbose "Checking if cache metadata file exists" #If ( Test-Path -Path $CacheMetaDataFile ) { # Write-Verbose "Found existing metadata file. Loading content" # $CacheMetaData = Get-Content $CacheMetaDataFile -Encoding Default -Raw | ConvertFrom-Json # $MaxCacheAge = New-TimeSpan -Days 1 # $TimeSpan = New-TimeSpan -Start ([Datetime]::parseexact($CacheMetaData.Created, "o", $Null)) # If ($TimeSpan -gt $MaxCacheAge) { # Write-Verbose "Cache MaxAge reached - forcing rebuild of the cache" # $ValidCache = $False # } Else { # Write-Verbose "Cache MaxAge not reached - skipping rebuild of cache" # $ValidCache = $True # } #} #ElseIf ( (-Not $ValidCache ) -or ( -Not (Test-Path -Path $CacheMetaDataFile) ) ) { # $CacheMetaData = @{ # Created = (Get-Date -Format o) # } # ConvertTo-Json -InputObject $CacheMetaData -Depth 2 | Out-File -FilePath $CacheMetaDataFile -Encoding default -Force:$True # # } # If ( ( -not $ValidCache ) -or ( $ForceCacheRebuild ) -or (-Not (Test-Path -Path $CacheConstantFile)) ) { |