Public/New-SlackMessage.ps1
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function New-SlackMessage { <# .SYNOPSIS Construct a new Slack message .DESCRIPTION Construct a new Slack message Note that this does not send a message It produces a message to send with Send-SlackMessage .PARAMETER Channel Channel, private group, or IM channel to send message to. Can be an encoded ID, or a name. .PARAMETER Text Text of the message to send See formatting spec for more information. https://api.slack.com/docs/formatting .PARAMETER Username Set your bot's user name. Must be used in conjunction with as_user set to false, otherwise ignored See authorship details: https://api.slack.com/methods/chat.postMessage#authorship .PARAMETER IconUrl URL to an image to use as the icon for this message. If using a token, must be used in conjunction with as_user set to false, otherwise ignored. See authorship details: https://api.slack.com/methods/chat.postMessage#authorship .PARAMETER IconEmoji Emoji to use as the icon for this message. Overrides icon_url. If using a token, must be used in conjunction with as_user set to false, otherwise ignored .PARAMETER AsUser Use true to post the message as the authed user, instead of as a bot. Defaults to false. Only used when authorizing with a token See authorship details: https://api.slack.com/methods/chat.postMessage#authorship .PARAMETER LinkNames Find and link channel names and usernames. .PARAMETER Parse Change how messages are treated. Defaults to none If set to full, channels like #general and usernames like @bob will be linkified. More details here: https://api.slack.com/docs/formatting#linking_to_channels_and_users .PARAMETER UnfurlLinks Use true to enable unfurling of primarily text-based content. .PARAMETER UnfurlMedia Use false to disable unfurling of media content. .PARAMETER Attachments Optional rich structured message attachments. Provide one or more hash tables created using New-SlackMessageAttachment See attachments spec https://api.slack.com/docs/attachments .EXAMPLE # This is a simple example illustrating some common options # when constructing a message attachment # giving you a richer message $Token = 'A token. maybe from https://api.slack.com/docs/oauth-test-tokens' New-SlackMessageAttachment -Color $([System.Drawing.Color]::red) ` -Title 'The System Is Down' ` -TitleLink https://www.youtube.com/watch?v=TmpRs7xN06Q ` -Text 'Please Do The Needful' ` -Pretext 'Everything is broken' ` -AuthorName 'SCOM Bot' ` -AuthorIcon 'http://ramblingcookiemonster.github.io/images/tools/wrench.png' ` -Fallback 'Your client is bad' | New-SlackMessage -Channel '@wframe' ` -IconEmoji :bomb: | Send-SlackMessage -Token $Token # Create a message attachment with details about an alert # Attach this to a slack message sending to the devnull channel # Send the newly created message using a token .EXAMPLE # This example demonstrates that you can chain new attachments # together to form a multi-attachment message $Token = 'A token. maybe from https://api.slack.com/docs/oauth-test-tokens' New-SlackMessageAttachment -Color $([System.Drawing.Color]::red) ` -Title 'The System Is Down' ` -TitleLink https://www.youtube.com/watch?v=TmpRs7xN06Q ` -Text 'Everybody panic!' ` -Pretext 'Everything is broken' ` -Fallback 'Your client is bad' | New-SlackMessageAttachment -Color $([System.Drawing.Color]::Orange) ` -Title 'The Other System Is Down' ` -TitleLink https://www.youtube.com/watch?v=TmpRs7xN06Q ` -Text 'Please Do The Needful' ` -Fallback 'Your client is bad' | New-SlackMessage -Channel '@wframe' ` -IconEmoji :bomb: ` -AsUser ` -Username 'SCOM Bot' | Send-SlackMessage -Token $Token # Create an attachment, create another attachment, # add these to a message, # and send with a token .EXAMPLE # This example illustrates a pattern where you might # want to send output from a script; you might # include errors, successful items, or other output # Pretend we're in a script, and caught an exception of some sort $Fail = [pscustomobject]@{ samaccountname = 'bob' operation = 'Remove privileges' status = "An error message" timestamp = (Get-Date).ToString() } # Create an array from the properties in our fail object $Fields = @() foreach($Prop in $Fail.psobject.Properties.Name) { $Fields += @{ title = $Prop value = $Fail.$Prop short = $true } } $Token = 'A token. maybe from https://api.slack.com/docs/oauth-test-tokens' # Construct and send the message! New-SlackMessageAttachment -Color $([System.Drawing.Color]::Orange) ` -Title 'Failed to process account' ` -Fields $Fields ` -Fallback 'Your client is bad' | New-SlackMessage -Channel 'devnull' | Send-SlackMessage -Uri $uri # We build up a pretend error object, and send each property to a 'Fields' array # Creates an attachment with the fields from our error # Creates a message fromthat attachment and sents it with a uri .FUNCTIONALITY Slack #> [CmdletBinding()] [OutputType([System.Collections.Hashtable],[String])] Param ( [string]$Channel, [string]$Text, [string]$Username, [string]$IconUrl, [string]$IconEmoji, [switch]$AsUser, [switch]$LinkNames, [validateset('full','none')] [string]$Parse, [validateset($True, $False)] [bool]$UnfurlLinks, [validateset($True, $False)] [bool]$UnfurlMedia, [Parameter(Mandatory=$true, ValueFromPipeline = $true, Position=1)] [PSTypeName('PSSlack.MessageAttachment')] [System.Collections.Hashtable[]] $Attachments ) Begin { $AllAttachments = @() } Process { foreach($Attachment in $Attachments) { $AllAttachments += $Attachments } } End { $body = @{} switch ($psboundparameters.keys) { 'channel' { $body.channel = $Channel} 'text' { $body.text = $text} 'username' { $body.username = $username} 'as_user' { $body.asuser = $AsUser} 'iconurl' { $body.icon_url = $iconurl} 'iconemoji' { $body.icon_emoji = $iconemoji} 'linknames' { $body.link_names = 1} 'Parse' { $body.Parse = $Parse} 'UnfurlLinks' { $body.Unfurl_Links = $UnfurlLinks} 'UnfurlMedia' { $body.Unfurl_Media = $UnfurlMedia} 'iconurl' { $body.icon_url = $iconurl} 'attachments' { $body.attachments = @($AllAttachments)} } Add-ObjectDetail -InputObject $body -TypeName PSSlack.Message } } |