lib/userdefinedfunctions.ps1

function Set-CosmosDbUserDefinedFunctionType
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory = $true)]
        $UserDefinedFunction
    )

    foreach ($item in $UserDefinedFunction)
    {
        $item.PSObject.TypeNames.Insert(0, 'CosmosDB.UserDefinedFunction')
    }

    return $UserDefinedFunction
}

function Get-CosmosDbUserDefinedFunctionResourcePath
{
    [CmdletBinding()]
    [OutputType([System.String])]
    param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Database,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $CollectionId,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Id
    )

    return ('dbs/{0}/colls/{1}/udfs/{2}' -f $Database, $CollectionId, $Id)
}

function Get-CosmosDbUserDefinedFunction
{
    [CmdletBinding(DefaultParameterSetName = 'Context')]
    [OutputType([Object])]
    param
    (
        [Alias("Connection")]
        [Parameter(Mandatory = $true, ParameterSetName = 'Context')]
        [ValidateNotNullOrEmpty()]
        [CosmosDb.Context]
        $Context,

        [Parameter(Mandatory = $true, ParameterSetName = 'Account')]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Account,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.Security.SecureString]
        $Key,

        [Parameter()]
        [ValidateSet('master', 'resource')]
        [System.String]
        $KeyType = 'master',

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Database,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $CollectionId,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Id
    )

    $null = $PSBoundParameters.Remove('CollectionId')

    $resourcePath = ('colls/{0}/udfs' -f $CollectionId)

    if ($PSBoundParameters.ContainsKey('Id'))
    {
        $null = $PSBoundParameters.Remove('Id')

        $userDefinedFunction = Invoke-CosmosDbRequest @PSBoundParameters `
            -Method 'Get' `
            -ResourceType 'udfs' `
            -ResourcePath ('{0}/{1}' -f $resourcePath, $Id)
    }
    else
    {
        $result = Invoke-CosmosDbRequest @PSBoundParameters `
            -Method 'Get' `
            -ResourceType 'udfs' `
            -ResourcePath $resourcePath

        $userDefinedFunction = $result.UserDefinedFunctions
    }

    if ($userDefinedFunction)
    {
        return (Set-CosmosDbUserDefinedFunctionType -UserDefinedFunction $userDefinedFunction)
    }
}

function New-CosmosDbUserDefinedFunction
{
    [CmdletBinding(DefaultParameterSetName = 'Context')]
    [OutputType([Object])]
    param
    (
        [Alias("Connection")]
        [Parameter(Mandatory = $true, ParameterSetName = 'Context')]
        [ValidateNotNullOrEmpty()]
        [CosmosDb.Context]
        $Context,

        [Parameter(Mandatory = $true, ParameterSetName = 'Account')]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Account,

        [Parameter()]
        [ValidateSet('master', 'resource')]
        [System.String]
        $KeyType = 'master',

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.Security.SecureString]
        $Key,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Database,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $CollectionId,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Id,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $UserDefinedFunctionBody
    )

    $null = $PSBoundParameters.Remove('CollectionId')
    $null = $PSBoundParameters.Remove('Id')
    $null = $PSBoundParameters.Remove('UserDefinedFunctionBody')

    $resourcePath = ('colls/{0}/udfs' -f $CollectionId)

    $UserDefinedFunctionBody = ((($UserDefinedFunctionBody -replace '`n', '\n') -replace '`r', '\r') -replace '"', '\"')

    $userDefinedFunction = Invoke-CosmosDbRequest @PSBoundParameters `
        -Method 'Post' `
        -ResourceType 'udfs' `
        -ResourcePath $resourcePath `
        -Body "{ `"id`": `"$id`", `"body`" : `"$UserDefinedFunctionBody`" }"

    if ($userDefinedFunction)
    {
        return (Set-CosmosDbUserDefinedFunctionType -UserDefinedFunction $userDefinedFunction)
    }
}

function Remove-CosmosDbUserDefinedFunction
{
    [CmdletBinding(DefaultParameterSetName = 'Context')]
    param
    (
        [Alias("Connection")]
        [Parameter(Mandatory = $true, ParameterSetName = 'Context')]
        [ValidateNotNullOrEmpty()]
        [CosmosDb.Context]
        $Context,

        [Parameter(Mandatory = $true, ParameterSetName = 'Account')]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Account,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Database,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.Security.SecureString]
        $Key,

        [Parameter()]
        [ValidateSet('master', 'resource')]
        [System.String]
        $KeyType = 'master',

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $CollectionId,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Id
    )

    $null = $PSBoundParameters.Remove('CollectionId')
    $null = $PSBoundParameters.Remove('Id')

    $resourcePath = ('colls/{0}/udfs/{1}' -f $CollectionId, $Id)

    $null = Invoke-CosmosDbRequest @PSBoundParameters `
        -Method 'Delete' `
        -ResourceType 'udfs' `
        -ResourcePath $resourcePath
}

function Set-CosmosDbUserDefinedFunction
{
    [CmdletBinding(DefaultParameterSetName = 'Context')]
    [OutputType([Object])]
    param
    (
        [Alias("Connection")]
        [Parameter(Mandatory = $true, ParameterSetName = 'Context')]
        [ValidateNotNullOrEmpty()]
        [CosmosDb.Context]
        $Context,

        [Parameter(Mandatory = $true, ParameterSetName = 'Account')]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Account,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Database,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [System.Security.SecureString]
        $Key,

        [Parameter(ParameterSetName = 'Account')]
        [ValidateSet('master', 'resource')]
        [System.String]
        $KeyType = 'master',

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $CollectionId,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $Id,

        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.String]
        $UserDefinedFunctionBody
    )

    $null = $PSBoundParameters.Remove('CollectionId')
    $null = $PSBoundParameters.Remove('Id')
    $null = $PSBoundParameters.Remove('UserDefinedFunctionBody')

    $resourcePath = ('colls/{0}/udfs/{1}' -f $CollectionId, $Id)

    $UserDefinedFunctionBody = ((($UserDefinedFunctionBody -replace '`n', '\n') -replace '`r', '\r') -replace '"', '\"')

    $userDefinedFunction = Invoke-CosmosDbRequest @PSBoundParameters `
        -Method 'Put' `
        -ResourceType 'udfs' `
        -ResourcePath $resourcePath `
        -Body "{ `"id`": `"$id`", `"body`" : `"$UserDefinedFunctionBody`" }"

    if ($userDefinedFunction)
    {
        return (Set-CosmosDbUserDefinedFunctionType -UserDefinedFunction $userDefinedFunction)
    }
}