internal/functions/get-lcsdatabasebackups.ps1


<#
    .SYNOPSIS
        Get database backups from LCS project
         
    .DESCRIPTION
        Get the available database backups from the Asset Library in LCS project
         
    .PARAMETER ProjectId
        The project id for the Dynamics 365 for Finance & Operations project inside LCS
         
    .PARAMETER BearerToken
        The token you want to use when working against the LCS api
         
    .PARAMETER LcsApiUri
        URI / URL to the LCS API you want to use
         
        Depending on whether your LCS project is located in europe or not, there is 2 valid URI's / URL's
         
        Valid options:
        "https://lcsapi.lcs.dynamics.com"
        "https://lcsapi.eu.lcs.dynamics.com"
         
    .EXAMPLE
        PS C:\> Get-D365LcsDatabaseBackups -ProjectId 123456789 -BearerToken "JldjfafLJdfjlfsalfd..." -LcsApiUri "https://lcsapi.lcs.dynamics.com"
         
        This will get all available database backups from the Asset Library inside LCS.
        The LCS project is identified by the ProjectId 123456789, which can be obtained in the LCS portal.
        The request will authenticate with the BearerToken "JldjfafLJdfjlfsalfd...".
        The http request will be going to the LcsApiUri "https://lcsapi.lcs.dynamics.com" (NON-EUROPE).
         
    .NOTES
        Tags: Environment, LCS, Api, AAD, Token, Bacpac, Backup
         
        Author: Mötz Jensen (@Splaxi)
#>


function Get-LcsDatabaseBackups {
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseSingularNouns", "")]
    [Cmdletbinding()]
    param(
        [Parameter(Mandatory = $true)]
        [int] $ProjectId,
    
        [Alias('Token')]
        [string] $BearerToken,
        
        [Parameter(Mandatory = $true)]
        [string] $LcsApiUri
    )

    Invoke-TimeSignal -Start

    Write-PSFMessage -Level Verbose -Message "Json payload for LCS generated." -Target $jsonFile
    
    $client = New-Object -TypeName System.Net.Http.HttpClient
    $client.DefaultRequestHeaders.Clear()

    $deployStatusUri = "$LcsApiUri/databasemovement/v1/databases/project/$($ProjectId)"
    
    $request = New-JsonRequest -Uri $deployStatusUri -Token $BearerToken -HttpMethod "GET"

    try {
        Write-PSFMessage -Level Verbose -Message "Invoke LCS request."
        $result = Get-AsyncResult -task $client.SendAsync($request)

        Write-PSFMessage -Level Verbose -Message "Extracting the response received from LCS."
        $responseString = Get-AsyncResult -task $result.Content.ReadAsStringAsync()

        $databasesObject = ConvertFrom-Json -InputObject $responseString -ErrorAction SilentlyContinue
    
        Write-PSFMessage -Level Verbose -Message "Extracting the response received from LCS."
        if (-not ($result.StatusCode -eq [System.Net.HttpStatusCode]::OK)) {
            if (($databasesObject) -and ($databasesObject.ErrorMessage)) {
                $errorText = ""
                if ($databasesObject.OperationActivityId) {
                    $errorText = "Error $( $databasesObject.ErrorMessage) in request for status of environment servicing action: '$( $databasesObject.ErrorMessage)' (Activity Id: '$( $databasesObject.OperationActivityId)')"
                }
                else {
                    $errorText = "Error $( $databasesObject.ErrorMessage) in request for status of environment servicing action: '$( $databasesObject.ErrorMessage)'"
                }
            }
            elseif ($databasesObject.OperationActivityId) {
                $errorText = "API Call returned $($result.StatusCode): $($result.ReasonPhrase) (Activity Id: '$($databasesObject.OperationActivityId)')"
            }
            else {
                $errorText = "API Call returned $($result.StatusCode): $($result.ReasonPhrase)"
            }

            Write-PSFMessage -Level Host -Message "Error creating new file asset." -Target $($databasesObject.ErrorMessage)
            Write-PSFMessage -Level Host -Message $errorText -Target $($result.ReasonPhrase)
            Stop-PSFFunction -Message "Stopping because of errors" -StepsUpward 1
        }

        
        if (-not ( $databasesObject.IsSuccess)) {
            if ( $databasesObject.ErrorMessage) {
                $errorText = "Error in request for status of environment servicing action: '$( $databasesObject.ErrorMessage)' (Activity Id: '$( $databasesObject.OperationActivityId)')"
            }
            elseif ( $databasesObject.OperationActivityId) {
                $errorText = "Error in request for status of environment servicing action. Activity Id: '$($activity.OperationActivityId)'"
            }
            else {
                $errorText = "Unknown error in request for status of environment servicing action"
            }

            Write-PSFMessage -Level Host -Message "Unknown error creating new file asset." -Target $databasesObject
            Write-PSFMessage -Level Host -Message $errorText -Target $($result.ReasonPhrase)
            Stop-PSFFunction -Message "Stopping because of errors" -StepsUpward 1
        }
    }
    catch {
        Write-PSFMessage -Level Host -Message "Something went wrong while working against the LCS API." -Exception $PSItem.Exception
        Stop-PSFFunction -Message "Stopping because of errors" -StepsUpward 1
        return
    }

    Invoke-TimeSignal -End
    
    $databasesObject
}