Public/Send-SlackMsg.ps1
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Function Send-SlackMsg { <# .SYNOPSIS Sends simple message responses via the RTM API .DESCRIPTION Used for sending Slack Messages through the WebSocket that is established by Invoke-SlackBot. .PARAMETER Text The message text string to be sent. .PARAMETER Channel The name or ID of the channel to send the message to. .PARAMETER ID A unique ID for the message. The current datetime's tick is used by default. .PARAMETER Timeout The number of seconds before sending the message should timeout. .EXAMPLE Send-SlackMsg -Text 'Hello!' -Channel 12345 Sends the specified text to the specified channel. .EXAMPLE Send-SlackMsg -Text 'Goodbye!' -Channel 12345 -ID 1 -Timeout 10 Sends the specified text to the specified channel with specified ID and timeout settings. #> [cmdletbinding()] Param( [Parameter(Mandatory = $true)] [string]$Text, [Parameter(Mandatory = $true)] $Channel, $ID = (get-date).ticks, $Timeout = 30 ) If (!($WS -is [System.Net.WebSockets.ClientWebSocket])) { Write-Log -Level Error 'A WebSocket to Slack is not open via $WS.' -Path $LogPath Return } $Prop = @{'id' = $ID; 'type' = 'message'; 'text' = $Text; 'channel' = $Channel } $Msg = (New-Object –TypeName PSObject –Prop $Prop) | ConvertTo-Json $Array = @() $Encoding = [System.Text.Encoding]::UTF8 $Array = $Encoding.GetBytes($Msg) $Msg = New-Object System.ArraySegment[byte] -ArgumentList @(, $Array) $Conn = $WS.SendAsync($Msg, [System.Net.WebSockets.WebSocketMessageType]::Text, [System.Boolean]::TrueString, $CT) $ConnStart = Get-Date While (!$Conn.IsCompleted) { $TimeTaken = ((get-date) - $ConnStart).Seconds If ($TimeTaken -gt $Timeout) { Write-Log -Level Error "Message $ID took longer than $Timeout seconds and may not have been sent." -Path $LogPath Return } Start-Sleep -Milliseconds 100 } } |