Add some basic API stats and error handling

src/GitlabCli/Utilities.psm1

@@ -59,6 +59,13 @@ function ConvertTo-UrlEncoded {
  [System.Net.WebUtility]::UrlEncode($Value)
 }
 
+$global:GitlabApiStats = [PSCustomObject]@{
+ FirstCall = $null
+ LastCall = $null
+ SuccessCount = 0
+ TotalCallCount = 0
+ Errors = @{}
+}
 function Invoke-GitlabApi {
  param(
  [Parameter(Position=0, Mandatory=$true)]
@@ -162,7 +169,25 @@ function Invoke-GitlabApi {
  }
  else {
  Write-Debug "$HttpMethod $Uri"
- $Result = Invoke-RestMethod -Method $HttpMethod -Uri $Uri -Header $Headers @RestMethodParams
+ $global:GitlabApiStats.FirstCall = [datetime]::Now
+ }
+ $global:GitlabApiStats.LastCall = [datetime]::Now
+ $global:GitlabApiStats.TotalCallCount++
+ try {
+ $Result = Invoke-RestMethod -Method $HttpMethod -Uri $Uri -Header $Headers @RestMethodParams
+ $global:GitlabApiStats.SuccessCount++
+ }
+ catch {
+ $global:GitlabApiStats.Errors["$HttpMethod $Uri"] = $_.Exception
+ if ([int] $_.Exception.Response.StatusCode -eq 429) {
+ $Interval = [Math]::Round($($global:GitlabApiStats.LastCall - $global:GitlabApiStats.FirstCall).TotalSeconds)
+ Write-Host "You've been rate limited`nCall statistics: $($global:GitlabApiStats.TotalCallCount) over a $($Interval) second period ($([Math]::Round($global:GitlabApiStats.TotalCallCount / $Interval, 1)) / sec)"
+ Read-Host "Press Enter to continue"
+ $Result = Invoke-RestMethod -Method $HttpMethod -Uri $Uri -Header $Headers @RestMethodParams
+ } else {
+ throw
+ }
+ }
  if($MaxPages -gt 1) {
  # Unwrap pagination container
  $Result | ForEach-Object {