Functions/New-SlackChannel.ps1
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<#
.SYNOPSIS This function creates a channel in Slack. .DESCRIPTION This function creates a channel in Slack. #> function New-SlackChannel { [CmdletBinding(PositionalBinding=$false)] [OutputType([Bool])] param( # The authentication token for Slack [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [String]$token, # The name of the new channel [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [String]$channelName, # Select the stream where the messages will be directed. [Parameter(Mandatory=$false)] [ValidateSet("Information", "Warning", "Error", "None")] [String]$outputStream = "Error" ) # Prepare the API call parameters $invokeRestMethodParams = @{ Uri = "https://slack.com/api/channels.create" Method = "POST" Headers = @{ "Content-Type" = "application/json" Authorization = "Bearer $($token)" } Body = @{ "name" = "$($channelName)" } | ConvertTo-Json } # Try to create the channel Write-Information "Creating channel '$($channelName)'." try { $response = Invoke-RestMethod @invokeRestMethodParams } catch { Write-OutputMessage "Exception occurred while creating the channel '$($channelName)' in Slack.`r`n$($_.Exception.Message)" -OutputStream $outputStream -ReturnMessage:$false return $false } # Verify that the creation is successful if ($response.ok) { Write-Information "Channel '$($channelName)' was created." return $true } else { Write-OutputMessage "Failed to create channel '$($channelName)' with the error message:`r`n$($response.error)." -OutputStream $outputStream -ReturnMessage:$false return $false } } |