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PoshNavigation.ps1
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PoshNavigation.ps1
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function Get-BinPath
{
$scriptDirectory = Split-Path $PSCommandPath -Parent
return Join-Path $scriptDirectory "bin"
}
function Get-SamplesPath
{
$scriptDirectory = Split-Path $PSCommandPath -Parent
return Join-Path $scriptDirectory "samples"
}
function Add-SampleConfiguration
{
$computerName = $env:COMPUTERNAME.ToLower()
$configPath = Get-BinPath
$configFilePath = Join-Path $configPath "$computerName.json"
if (-not (Test-Path $configFilePath))
{
$samplesPath = Get-SamplesPath
$sampleFilePath = Join-Path $samplesPath "SampleConfig.json"
Write-Host -ForegroundColor Green "Creating sample config file at ""$configFilePath""."
New-Item $configFilePath -Force -Type File -ErrorAction Stop | Out-Null
Copy-Item $sampleFilePath $configFilePath -Force -ErrorAction Stop | Out-Null
}
return $configFilePath
}
$script:configPath = $null
function Initialize-Navigation($configJsonPath)
{
if ([String]::IsNullOrEmpty($configJsonPath) -or -not (Test-Path($configJsonPath)))
{
Write-Error "Initialize-Navigation requires path to config json. $configJsonPath is not a valid path."
return
}
if (-not [System.IO.Path]::IsPathRooted($configJsonPath))
{
$configJsonPath = Join-Path (pwd) $configJsonPath
$configJsonPath = [System.IO.Path]::GetFullPath($configJsonPath)
}
$script:configPath = $configJsonPath
}
function Get-NavigationConfig
{
if ($script:configPath -eq $null)
{
Write-Error "Initialize-Navigation must be called with path to config json."
return $null
}
$config = (Get-Content $script:configPath) -join "`n" | ConvertFrom-Json
foreach ($enlistment in $config.Enlistments)
{
if ([String]::IsNullOrEmpty($enlistment.Alias))
{
Write-Error "Null or empty Alias."
return $null
}
$enlistmentRoot = [System.Environment]::ExpandEnvironmentVariables($enlistment.Root)
if ([String]::IsNullOrEmpty($enlistmentRoot))
{
Write-Error "Enlistment ($($enlistment.Alias)) has null or empty Root."
return $null
}
if (-not (Test-Path($enlistmentRoot)))
{
Write-Error "Enlistment ($($enlistment.Alias)) Root ($enlistmentRoot) is not a valid path."
return $null
}
if (-not ([String]::IsNullOrEmpty($enlistment.ProjectsTemplate)))
{
$projectsTemplate = $null
foreach ($template in $config.ProjectsTemplates)
{
if ($template.Name -eq $enlistment.ProjectsTemplate)
{
$projectsTemplate = $template
}
}
if ($projectsTemplate -eq $null)
{
Write-Error "Enlistment ($($enlistment.Alias)) references invalid ProjectsTemplate ($($enlistment.ProjectsTemplate))"
return $null
}
foreach ($project in $projectsTemplate.Projects)
{
if ([String]::IsNullOrEmpty($project.Alias))
{
Write-Error "ProjectsTemplate ($($projectsTemplate.Name)) contains Project with null or empty Alias."
return $null
}
if (-not ([String]::IsNullOrEmpty($project.Root)))
{
$projectRoot = [System.Environment]::ExpandEnvironmentVariables($project.Root)
$projectRootPath = Join-Path -Path $enlistmentRoot -ChildPath $projectRoot
if (-not (Test-Path($projectRootPath)))
{
Write-Error "Enlistment ($($enlistment.Alias)) references ProjectsTemplate ($($projectsTemplate.Name)) which contains Project ($($project.Alias)) with a Root that does not resolve to a valid path in the enlistment."
return $null
}
}
}
}
}
return $config
}
function global:Set-Enlistment($alias)
{
$config = Get-NavigationConfig
foreach ($enlistment in $config.Enlistments | where { $_.Alias -eq $alias })
{
$root = [System.Environment]::ExpandEnvironmentVariables($enlistment.Root)
Set-Location $root
return
}
Write-Error "Could not find ""$alias"" enlistment alias."
}
function global:Get-Enlistment()
{
$config = Get-NavigationConfig
$currentLocation = Get-Location
$currentPath = $currentLocation.Path
$bestMatch = ""
$bestEnlistment = $null
foreach ($enlistment in $config.Enlistments)
{
$root = [System.Environment]::ExpandEnvironmentVariables($enlistment.Root)
if ($currentPath.StartsWith($root) -and $root.Length -gt $bestMatch.Length)
{
$bestMatch = $root
$bestEnlistment = $enlistment
}
}
if (-not ($bestEnlistment -eq $null))
{
return $bestEnlistment
}
Write-Error "Current location is not within a defined enlistment."
}
function global:Get-ProjectsTemplate($enlistment)
{
$config = Get-NavigationConfig
if ($enlistment -eq $null)
{
Write-Error "Enlistment is null."
return
}
if ([String]::IsNullOrEmpty($enlistment.ProjectsTemplate))
{
Write-Error "Enlistment ""$($enlistment.Alias)"" does not have a ProjectsTemplate."
return
}
foreach ($projectsTemplate in $config.ProjectsTemplates)
{
if ($projectsTemplate.Name -eq $enlistment.ProjectsTemplate)
{
return $projectsTemplate
}
}
Write-Error "Could not find ProjectsTemplate ""$($enlistment.ProjectsTemplate)"""
}
function global:Resolve-ProjectRoot($alias)
{
if ([String]::IsNullOrEmpty($alias))
{
Write-Error "Alias is null or empty."
return
}
$enlistment = Get-Enlistment
if ($enlistment -eq $null)
{
Write-Error "Failed to retrieve current enlistment."
return
}
$projectsTemplate = Get-ProjectsTemplate($enlistment)
if ($projectsTemplate -eq $null)
{
Write-Error "Failed to retrieve projects template for current enlistment."
return
}
foreach ($project in $projectsTemplate.Projects | where { $_.Alias -eq $alias })
{
$projectRoot = [System.Environment]::ExpandEnvironmentVariables($project.Root)
if ([String]::IsNullOrEmpty($projectRoot))
{
Write-Error "Project ""$($project.Alias)"" does not contain Root."
return
}
$enlistmentRoot = [System.Environment]::ExpandEnvironmentVariables($enlistment.Root)
$path = Join-Path -Path $enlistmentRoot -ChildPath $projectRoot
if (-not (Test-Path $path))
{
Write-Error "Project root resolved to invalid path ""$path""."
return
}
return $path
}
Write-Error "Failed to find project with alias ""$alias"" in enlistment ""$($enlistment.Alias)""."
}
function global:Set-Project($alias)
{
$projectRoot = Resolve-ProjectRoot($alias)
if ([String]::IsNullOrEmpty($projectRoot))
{
Write-Error "Failed to resolve project root for alias ""$alias""."
return
}
Set-Location $projectRoot
}