Public/Get-JuribaImportMailbox.ps1

function Get-JuribaImportMailbox {
    [alias("Get-DwImportMailbox")]
    <#
        .SYNOPSIS
        Gets one or more Dashworks mailboxes from the import API.

        .DESCRIPTION
        Gets one or more Dashworks mailboxes from the import API.
        Takes the ImportId as an input.
        Optionally takes a UniqueIdentifier as an input and will return a single mailbox with that UniqueIdentifier.
        Optionally takes a Filter as an input and will return all mailboxes matching that filter. See swagger documentation for examples of using filters.
        If specified, only one of UniqueIdentifier, Hostname or Filter can be supplied. Omit all to return all mailboxes for the import.

        .PARAMETER Instance

        Optional. Dashworks instance to be provided if not authenticating using Connect-Juriba. For example, https://myinstance.dashworks.app:8443

        .PARAMETER APIKey

        Optional. API key to be provided if not authenticating using Connect-Juriba.

        .PARAMETER UniqueIdentifier

        UniqueIdentifier for the mailbox. Cannot be used with Hostname or Filter.

        .PARAMETER ImportId

        ImportId for the mailbox(es).

        .PARAMETER Filter

        Filter for mailbox search. Cannot be used with Hostname or UniqueIdentifier.

        .PARAMETER InfoLevel

        Optional. Sets the level of information that this function returns. Accepts Basic or Full.
        Basic returns only the UniqueIdentifier, use when confirming a mailbox exists.
        Full returns the full json object for the mailbox.
        Default is Basic.

        .EXAMPLE
        PS> Get-JuribaImportMailbox -Instance "https://myinstance.dashworks.app:8443" -APIKey "xxxxx" -ImportId 1 -InfoLevel "Full"

        .EXAMPLE
        PS> Get-JuribaImportMailbox -Instance "https://myinstance.dashworks.app:8443" -APIKey "xxxxx" -ImportId 1 -UniqueIdentifier "123456789" -InfoLevel "Basic"

        .EXAMPLE
        PS> Get-JuribaImportMailbox -Instance "https://myinstance.dashworks.app:8443" -APIKey "xxxxx" -ImportId 1 -Hostname "wabc123"

        .EXAMPLE
        PS> Get-JuribaImportMailbox -Instance "https://myinstance.dashworks.app:8443" -APIKey "xxxxx" -ImportId 1 -Filter "eq(SerialNumber, 'zxy123456')"

         #>


    [CmdletBinding(DefaultParameterSetName="Default")]
    param (
        [Parameter(Mandatory=$false)]
        [string]$Instance,
        [Parameter(Mandatory=$false)]
        [string]$APIKey,
        [parameter(Mandatory=$false, ParameterSetName="UniqueIdentifier")]
        [string]$UniqueIdentifier,
        [parameter(Mandatory=$false, ParameterSetName="Filter")]
        [string]$Filter,
        [parameter(Mandatory=$true)]
        [int]$ImportId,
        [parameter(Mandatory=$false)]
        [ValidateSet("Basic", "Full")]
        [string]$InfoLevel = "Basic"
    )

    if ((Get-Variable 'dwConnection' -Scope 'Global' -ErrorAction 'Ignore') -and !$APIKey -and !$Instance) {
        $APIKey = ConvertFrom-SecureString -SecureString $dwConnection.secureAPIKey -AsPlainText
        $Instance = $dwConnection.instance
    }
    if ($APIKey -and $Instance) {
        $limit = 50 # page size
        $uri = "{0}/apiv2/imports/mailboxes/{1}/items" -f $Instance, $ImportId
    
        switch ($PSCmdlet.ParameterSetName) {
            "UniqueIdentifier" {
                $uri += "/{0}" -f $UniqueIdentifier
            }
            "Filter" {
                $uri += "?filter="
                $uri += [System.Web.HttpUtility]::UrlEncode("{0}" -f $Filter)
                $uri += "&limit={0}" -f $limit
            }
            Default {
                $uri += "?limit={0}" -f $limit
            }
        }
    
        $headers = @{
            'x-api-key' = $APIKey
            'cache-control' = 'no-cache'
        }
    
        $mailbox = ""
        try {
            $result = Invoke-WebRequest -Uri $uri -Method GET -Headers $headers -ContentType "application/json"
            $mailbox = switch($InfoLevel) {
                "Basic" { ($result.Content | ConvertFrom-Json).UniqueIdentifier }
                "Full"  { $result.Content | ConvertFrom-Json }
            }
            # check if result is paged, if so get remaining pages and add to result set
            if ($result.Headers.ContainsKey("X-Pagination")) {
                $totalPages = ($result.Headers."X-Pagination" | ConvertFrom-Json).totalPages
                for ($page = 2; $page -le $totalPages; $page++) {
                    $pagedUri = $uri + "&page={0}" -f $page
                    $pagedResult = Invoke-WebRequest -Uri $pagedUri -Method GET -Headers $headers -ContentType "application/json"
                    $mailbox += switch($InfoLevel) {
                        "Basic" { ($pagedResult.Content | ConvertFrom-Json).UniqueIdentifier }
                        "Full"  { $pagedResult.Content | ConvertFrom-Json }
                    }
                }
            }
            return $mailbox
        }
        catch {
            if ($_.Exception.Response.StatusCode.Value__ -eq 404) {
                # 404 means the mailbox was not found, don't treat this as an error
                # as we expect this function to be used to check if a mailbox exists
                Write-Verbose "mailbox not found"
            }
            else {
                Write-Error $_
            }
        }
    } else {
        Write-Error "No connection found. Please ensure `$APIKey and `$Instance is provided or connect using Connect-Juriba before proceeding."
    }
}