functions/Register-ExtensionAndDependencies.ps1
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# <copyright file="Register-ExtensionAndDependencies.ps1" company="Endjin Limited"> # Copyright (c) Endjin Limited. All rights reserved. # </copyright> function Register-ExtensionAndDependencies { <# .SYNOPSIS Registers an extension and its dependencies. .DESCRIPTION A recursive function responsible for registering the specified extension and its dependencies. .PARAMETER ExtensionConfig A hashtable containing the initial extension metadata provided by the user. This parameter is mandatory. .INPUTS None. You can't pipe objects to Register-ExtensionAndDependencies. .OUTPUTS The function returns an array of hashtables representing the processed extension metadata for the input extension and its dependencies. .EXAMPLE PS:> $extensionConfig = @{ Name = "MyExtension" Path = "C:\Extensions\MyExtension" Repository = "https://example.com/extensions" } PS:>Register-ExtensionAndDependencies -ExtensionConfig $extensionConfig #> [CmdletBinding()] param ( [Parameter(Mandatory=$true)] $ExtensionConfig ) [hashtable[]]$processedExtensionConfig = @() # Parse the extension configuration item into its canonical form $extension = Resolve-ExtensionMetadata -Value $ExtensionConfig -Verbose:$VerbosePreference # Prepare the parameters needed for extension registration $splat = $extension.Clone() $splat.Remove("Process") | Out-Null $splat.Add("Repository", $extension.ContainsKey("Repository") ? $extension.Repository : $DefaultRepository) # Decide how the extension is being provided if (!$extension.ContainsKey("Path")) { # Call the helper that will install the extension if it's not already installed and # provide the resulting additional metadata that we need to use the extension $extension += Get-ExtensionFromRepository @splat } elseif ((Test-Path $extension.Path)) { $extension.Add("Enabled", $true) Write-Host "USING PATH: $($extension.Name) ($($extension.Path))" -f Cyan } else { Write-Warning "Extension '$($extension.Name)' not found at $($extension.Path) - it has been disabled." $extension.Add("Enabled", $false) continue } # If enabled, interrogate the extension for its dependencies and exported tasks? recursive? if ($extension.Enabled) { Write-Verbose "Checking dependencies for $($extension.Name)" $extension.Add("dependencies", (Get-ExtensionDependencies -Extension $extension)) Write-Verbose "Checking available tasks for $($extension.Name)" $extension.Add("availableTasks", (Get-ExtensionAvailableTasks -ExtensionPath $extension.Path)) } $processedExtensionConfig += $extension # If enabled, resolve any dependencies for this extension if ($extension.Enabled) { foreach ($dependency in $extension.dependencies) { Write-Host "Processing dependency: $($dependency.Name)" $processedExtensionConfig += Register-ExtensionAndDependencies -ExtensionConfig $dependency } } return $processedExtensionConfig } |