Public/Get-FullHistory.ps1
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function Get-FullHistory { [CmdletBinding()] param ( [Parameter(Mandatory = $true, Position = 0 )] [string]$Token, [Parameter(Mandatory = $true, Position = 1 )] [string]$ChannelId, [Parameter(Mandatory = $true, Position = 2 )] [string]$Start ) begin { Write-Verbose "Cmdlet Get-FullHistory - Begin" } process { Write-Verbose "Cmdlet Get-FullHistory - Process" $channelMessages = @() do { $response = Get-History -Token $Token -ChannelId $ChannelId -Oldest $Start -Limit 1000 if ($response.ok -eq $false) { Write-Error $response.error } $sorted = $response.messages | Sort-Object { Convert-EpochToDate ($_.ts) } $last = $sorted | Select-Object -Last 1 $Start = $last.ts $channelMessages += $sorted } while ($response.has_more -and $response) $channelMessages | ? { $_.thread_ts -ne $null } | % { $response = Get-Thread -Token $Token -ChannelId $ChannelId -ThreadTs $_.ts if ($response.ok -eq $false) { Write-Error $response.error } $channelMessages += $response.messages | Select-Object -Skip 1 } $channelMessages | Sort-Object { Convert-EpochToDate ($_.ts) } } end { Write-Verbose "Cmdlet Get-FullHistory - End" } } |