PS-Populi

0.0.41

Public/Slack/Send-SlackMessage.ps1

function Send-SlackMessage
{
    [CmdletBinding(PositionalBinding = $true)]
    param
    (  
        [Parameter(Mandatory = $false)][string]$Url = 'https://slack.com/api/chat.postMessage',
        [Parameter(Mandatory = $true)][string]$ChannelId,
        [Parameter(Mandatory = $false)][string]$ThreadTs,
        [Parameter(Mandatory = $true)][string]$MessageText,
        [Parameter(Mandatory = $true)][string]$Token
    )

    try
    {
        $body = @{
            type          = 'mrkdwn'
            channel       = $ChannelId
            response_type = "ephemeral"
            text          = $MessageText
        }
    
        if ($PSBoundParameters.Keys -contains 'ThreadTs')
        {
            $body += @{
                thread_ts = $ThreadTs 
            }
        }
    
        $jsonBody = $body | ConvertTo-Json -Compress
    
        $headers = @{
            Authorization = "Bearer $Token"
        }
    
        Write-Log "Sedning Slack Message: POST: $Url -- $jsonBody"
        $msgResp = Invoke-RestMethod -Uri $Url -Method Post -ContentType 'application/json' -Body $jsonBody -Headers $headers
        Write-Log "Slack message Response: $($msgResp | ConvertTo-Json -Depth 10 -Compress)"
    
        return $msgResp
        
    }
    catch
    {
        Write-Log "Error sending Slack message" -LogType error -ErrorObject $_
    }

}