Templates/PSJumpStartStdTemplateWithArguments.ps1

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
 <#
.Synopsis
    Template
.DESCRIPTION
    This template will load $PSDefaultParameterValues and the PSJumpStart module
    and has support for Write-Verbose, -WhatIf and whatnot.
.PARAMETER arg1
       First mandatory string argument.
.PARAMETER arg2
       Second optional string argument.
.PARAMETER flag
    Switch parameter check with if ($flag:IsPresent) {}
.Notes
    Author:
    Changes:
#>

[CmdletBinding(SupportsShouldProcess = $True)]
param (
    [Parameter(Mandatory = $true,
               ValueFromPipelineByPropertyName=$true)]
    [string]$arg1,
    [string]$arg2,
    [switch]$flag
)

#region local functions

#Load default arguemts for this script.
#Command prompt arguments will override file settings
function Get-LocalDefaultVariables {
    [CmdletBinding(SupportsShouldProcess = $False)]
    param(
        [parameter(Position=0,mandatory=$true)]
        $CallerInvocation,
        [switch]$defineNew,
        [switch]$overWriteExisting
    )
    foreach($settingsFile in (Get-SettingsFiles $CallerInvocation ".json")) {        
        if (Test-Path $settingsFile) {        
            Write-Verbose "Reading file: [$settingsFile]"
            $DefaultParamters = Get-Content -Path $settingsFile -Encoding UTF8 | ConvertFrom-Json
            ForEach($prop in $DefaultParamters | Get-Member -MemberType NoteProperty) {        
                
                if (($prop.Name).IndexOf(':') -eq -1) {
                    $key=$prop.Name
                    $var = Get-Variable $key -ErrorAction SilentlyContinue
                    $value = $DefaultParamters.($prop.Name)                    
                    if (!$var) {
                        if ($defineNew) {
                            Write-Verbose "New Var: $key" 
                            if ($value.GetType().Name -eq "String" -and $value.SubString(0,1) -eq '(') {
                                $var = New-Variable -Name  $key -Value (Invoke-Expression $Value) -Scope 1
                            } else {
                                $var = New-Variable -Name  $key -Value $value -Scope 1
                            }
                        }
                    } else {

                        #We only overwrite non-set values if not forced
                        if (!($var.Value) -or $overWriteExisting)
                        {
                            try {                
                                Write-Verbose "Var: $key" 
                                if ($value.GetType().Name -eq "String" -and $value.SubString(0,1) -eq '(') {
                                    $var.Value = Invoke-Expression $value
                                } else {
                                    $var.Value = $value
                                }
                            } Catch {
                                $ex = $PSItem
                                $ex.ErrorDetails = "Err adding $key from $settingsFile. " + $PSItem.Exception.Message
                                throw $ex
                            }
                        }
                    }
                }
            }
        } else {
            Write-Verbose "File not found: [$settingsFile]"
        }

    }
}
#endregion

#region Init
$scriptPath = Split-Path -Parent $MyInvocation.MyCommand.Definition
if (-not (Get-Module PSJumpStart)) {
    Import-Module PSJumpStart -Force -MinimumVersion 1.2.0
}

#Get Local variable default values from external DFP-files
Get-LocalDefaultVariables($MyInvocation)

#Get global deafult settings when calling modules
$PSDefaultParameterValues = Get-GlobalDefaultsFromJsonFiles $MyInvocation -Verbose:$VerbosePreference

#endregion

Msg "Start Execution"

Write-Verbose "Script is in $scriptPath"

if ($pscmdlet.ShouldProcess("ActiveCode", "Run Code")) {
    #Put your commands/code here...
}

Msg "End Execution"