add default headers support (#5746)

modules/openapi-generator/src/main/resources/powershell-experimental/api_client.mustache

@@ -59,6 +59,12 @@ function Invoke-{{{apiNamePrefix}}}ApiClient {
         $HeaderParameters['Content-Type'] = $ContentType
     }
 
+    # add default headers if any
+    foreach ($header in $Configuration["DefaultHeaders"].GetEnumerator()) {
+        $HeaderParameters[$header.Name] = $header.Value
+    }
+
+
     # constrcut URL query string
     $HttpValues = [System.Web.HttpUtility]::ParseQueryString([String]::Empty)
     foreach ($Parameter in $QueryParameters.GetEnumerator()) {

modules/openapi-generator/src/main/resources/powershell-experimental/configuration.mustache

@@ -33,6 +33,10 @@ function Get-{{apiNamePrefix}}Configuration {
         $Configuration["Cookie"] = $null
     }
 
+    if (!$Configuration["DefaultHeaders"]) {
+        $Configuration["DefaultHeaders"] = @{}
+    }
+
     if (!$Configuration["ApiKey"]) {
         $Configuration["ApiKey"] = @{}
     }
@@ -82,6 +86,9 @@ Access token for authentication/authorization
 .PARAMETER SkipCertificateCheck
 Skip certificate verification
 
+.PARAMETER DefaultHeaders 
+Default HTTP headers to be included in the HTTP request
+
 .OUTPUTS
 
 System.Collections.Hashtable
@@ -103,6 +110,7 @@ function Set-{{{apiNamePrefix}}}Configuration {
         [string]$AccessToken,
         [switch]$PassThru,
         [bool]$SkipCertificateCheck,
+        [hashtable]$DefaultHeaders,
         [switch]$Force
     )
 
@@ -139,6 +147,10 @@ function Set-{{{apiNamePrefix}}}Configuration {
         If ($SkipCertificateCheck) {
             $Script:Configuration['SkipCertificateCheck'] = $SkipCertificateCheck
         }
+
+        If ($DefaultHeaders) {
+            $Script:Configuration['DefaultHeaders'] = $DefaultHeaders
+        }
     }
 }
 
@@ -210,6 +222,41 @@ function Set-{{{apiNamePrefix}}}ConfigurationApiKeyPrefix {
     }
 }
 
+<#
+.SYNOPSIS
+
+Set the default header.
+
+.DESCRIPTION
+
+Set the default header.
+
+.PARAMETER Key
+Key of the HTTP header
+
+.PARAMETER Value
+Value of the HTTP header
+
+.OUTPUTS
+
+None
+#>
+function Set-{{{apiNamePrefix}}}ConfigurationDefaultHeader {
+    [CmdletBinding()]
+    Param(
+        [string]$Key,
+        [AllowEmptyString()]
+        [string]$Value
+    )
+    Process {
+        if (!$Script:Configuration["DefaultHeaders"]) {
+            $Script:Configuration["DefaultHeaders"] = @{}
+        }
+        $Script:Configuration["DefaultHeaders"][$Key] = $Value
+    }
+}
+
+
 <#
 .SYNOPSIS
 

samples/client/petstore/powershell-experimental/src/PSPetstore/Client/PSConfiguration.ps1

@@ -39,6 +39,10 @@ function Get-PSConfiguration {
         $Configuration["Cookie"] = $null
     }
 
+    if (!$Configuration["DefaultHeaders"]) {
+        $Configuration["DefaultHeaders"] = @{}
+    }
+
     if (!$Configuration["ApiKey"]) {
         $Configuration["ApiKey"] = @{}
     }
@@ -88,6 +92,9 @@ Access token for authentication/authorization
 .PARAMETER SkipCertificateCheck
 Skip certificate verification
 
+.PARAMETER DefaultHeaders 
+Default HTTP headers to be included in the HTTP request
+
 .OUTPUTS
 
 System.Collections.Hashtable
@@ -109,6 +116,7 @@ function Set-PSConfiguration {
         [string]$AccessToken,
         [switch]$PassThru,
         [bool]$SkipCertificateCheck,
+        [hashtable]$DefaultHeaders,
         [switch]$Force
     )
 
@@ -145,6 +153,10 @@ function Set-PSConfiguration {
         If ($SkipCertificateCheck) {
             $Script:Configuration['SkipCertificateCheck'] = $SkipCertificateCheck
         }
+
+        If ($DefaultHeaders) {
+            $Script:Configuration['DefaultHeaders'] = $DefaultHeaders
+        }
     }
 }
 
@@ -216,6 +228,41 @@ function Set-PSConfigurationApiKeyPrefix {
     }
 }
 
+<#
+.SYNOPSIS
+
+Set the default header.
+
+.DESCRIPTION
+
+Set the default header.
+
+.PARAMETER Key
+Key of the HTTP header
+
+.PARAMETER Value
+Value of the HTTP header
+
+.OUTPUTS
+
+None
+#>
+function Set-PSConfigurationDefaultHeader {
+    [CmdletBinding()]
+    Param(
+        [string]$Key,
+        [AllowEmptyString()]
+        [string]$Value
+    )
+    Process {
+        if (!$Script:Configuration["DefaultHeaders"]) {
+            $Script:Configuration["DefaultHeaders"] = @{}
+        }
+        $Script:Configuration["DefaultHeaders"][$Key] = $Value
+    }
+}
+
+
 <#
 .SYNOPSIS
 

samples/client/petstore/powershell-experimental/src/PSPetstore/PSPetstore.psd1

@@ -3,7 +3,7 @@
 #
 # Generated by: OpenAPI Generator Team
 #
-# Generated on: 3/29/20
+# Generated on: 3/30/20
 #
 
 @{
@@ -80,7 +80,8 @@ FunctionsToExport = 'Add-PSPet', 'Remove-Pet', 'Find-PSPetsByStatus', 'Find-PSPe
                'New-PSInlineObject', 'New-PSInlineObject1', 'New-PSOrder', 'New-PSPet', 
                'New-PSTag', 'New-PSUser', 'Get-PSConfiguration', 'Set-PSConfiguration', 
                'Set-PSConfigurationApiKey', 'Set-PSConfigurationApiKeyPrefix', 
-               'Get-PSHostSettings', 'Get-PSUrlFromHostSettings'
+               'Set-PSConfigurationDefaultHeader', 'Get-PSHostSettings', 
+               'Get-PSUrlFromHostSettings'
 
 # Cmdlets to export from this module, for best performance, do not use wildcards and do not delete the entry, use an empty array if there are no cmdlets to export.
 CmdletsToExport = @()

samples/client/petstore/powershell-experimental/src/PSPetstore/Private/PSApiClient.ps1

@@ -65,6 +65,12 @@ function Invoke-PSApiClient {
         $HeaderParameters['Content-Type'] = $ContentType
     }
 
+    # add default headers if any
+    foreach ($header in $Configuration["DefaultHeaders"].GetEnumerator()) {
+        $HeaderParameters[$header.Name] = $header.Value
+    }
+
+
     # constrcut URL query string
     $HttpValues = [System.Web.HttpUtility]::ParseQueryString([String]::Empty)
     foreach ($Parameter in $QueryParameters.GetEnumerator()) {

samples/client/petstore/powershell-experimental/tests/Petstore.Tests.ps1

@@ -84,5 +84,15 @@ Describe -tag 'PSOpenAPITools' -name 'Integration Tests' {
             #Get-PSUrlFromHostSettings -Index 0 -Variables @{ "port" = "1234" } | Should Throw "The variable 'port' in the host URL has invalid value 1234. Must be 80,8080"
 
         }
+
+        It "Default header tests" {
+
+            Set-PSConfigurationDefaultHeader -Key "TestKey" -Value "TestValue"
+
+            $Configuration = Get-PSConfiguration
+            $Configuration["DefaultHeaders"].Count | Should Be 1
+            $Configuration["DefaultHeaders"]["TestKey"] | Should Be "TestValue"
+
+        }
     }
 }