Add parameters to Invoke-Method

SnipeitPS/Private/ConvertTo-GetParameter.ps1

@@ -0,0 +1,25 @@
+function ConvertTo-GetParameter {
+    <#
+    .SYNOPSIS
+    Generate the GET parameter string for an URL from a hashtable
+    #>
+    [CmdletBinding()]
+    param (
+        [Parameter( Position = 0, Mandatory = $true, ValueFromPipeline = $true )]
+        [hashtable]$InputObject
+    )
+
+    BEGIN {
+        [string]$parameters = "?"
+    }
+
+    PROCESS {
+        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Making HTTP get parameter string out of a hashtable"
+        foreach ($key in $InputObject.Keys) {
+            $parameters += "$key=$($InputObject[$key])&"
+        }
+    }
+
+    END {
+        $parameters -replace ".$"
+    }

SnipeitPS/Private/Invoke-Method.psm1

@@ -19,7 +19,11 @@
         [ValidateNotNullOrEmpty()]
         [string]$Body,
 
-        [string] $Token
+        [string] $Token,
+
+        # GET Parameters
+        [Hashtable]$GetParameters
+
     )
 
     BEGIN {
@@ -38,6 +42,14 @@
     }
 
     Process {
+        if ($GetParameters -and ($URi -notlike "*\?*")) 
+        {
+            Write-Debug "Using `$GetParameters: $($GetParameters | Out-String)"
+            [string]$URI += (ConvertTo-GetParameter $GetParameters)
+            # Prevent recursive appends
+            $GetParameters = $null
+        }
+
         # set mandatory parameters
         $splatParameters = @{
             Uri             = $URi