helpers/neighbors/Export-NetworkNeighborDashboard.ps1

#requires -Version 5.1

function Merge-NetworkNeighborData {
    [CmdletBinding()]
    param([object[]]$Rows = @())
    $result = [System.Collections.Generic.List[object]]::new()
    $groups = @{}
    foreach ($inputRow in @($Rows)) {
        if (-not $inputRow) { continue }
        $row = [ordered]@{}
        foreach ($property in $inputRow.PSObject.Properties) { $row[$property.Name] = $property.Value }
        $address = [string]$inputRow.PeerAddress
        if (-not $address) { $address = [string]$inputRow.NeighborAddress }
        if (-not $address) { $address = [string]$inputRow.ManagementAddress }
        $interface = [string]$inputRow.LocalInterface
        if (-not $interface) { $interface = [string]$inputRow.Interface }
        $identity = [string]$inputRow.RemoteDeviceId
        if (-not $identity) { $identity = [string]$inputRow.RemoteSystemName }
        if (-not $identity) { $identity = [string]$inputRow.ChassisId }
        $key = if ($address) { "address:$address" } elseif ($identity) { "identity:$identity" } elseif ($interface) { "interface:$interface" } else { "row:$($result.Count)" }
        $row['NeighborKey'] = $key
        $row['CollectedSource'] = [string]$inputRow.Source
        if (-not $groups.ContainsKey($key)) { $groups[$key] = [System.Collections.Generic.List[object]]::new() }
        $groups[$key].Add([pscustomobject]$row)
        $result.Add([pscustomobject]$row)
    }
    foreach ($row in $result) {
        $matches = @($groups[$row.NeighborKey])
        $protocols = @($matches | ForEach-Object { [string]$_.Protocol } | Where-Object { $_ } | Select-Object -Unique)
        $sources = @($matches | ForEach-Object { [string]$_.Source } | Where-Object { $_ } | Select-Object -Unique)
        $correlationStatus = 'SingleSource'
        if ($matches.Count -gt 1) { $correlationStatus = 'Correlated' }
        $row | Add-Member -NotePropertyName RelatedProtocols -NotePropertyValue ($protocols -join ', ') -Force
        $row | Add-Member -NotePropertyName EvidenceSources -NotePropertyValue ($sources -join ', ') -Force
        $row | Add-Member -NotePropertyName EvidenceCount -NotePropertyValue $matches.Count -Force
        $row | Add-Member -NotePropertyName CorrelationStatus -NotePropertyValue $correlationStatus -Force
    }
    return @($result)
}

function Export-NetworkNeighborDashboard {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $true)][object[]]$Rows,
        [Parameter(Mandatory = $true)][string]$OutputDirectory,
        [string]$WhatsUpGoldPsRepoPath
    )
    if ([string]::IsNullOrWhiteSpace($WhatsUpGoldPsRepoPath)) { $WhatsUpGoldPsRepoPath = Split-Path (Split-Path $PSScriptRoot -Parent) -Parent }
    if (-not (Test-Path -LiteralPath $OutputDirectory)) { New-Item -ItemType Directory -Path $OutputDirectory -Force | Out-Null }
    $jsonPath = Join-Path $OutputDirectory 'network-neighbors.json'
    $htmlPath = Join-Path $OutputDirectory 'network-neighbor-dashboard.html'
    . (Join-Path $WhatsUpGoldPsRepoPath 'helpers\reports\Export-DynamicDashboardHtml.ps1')
    $merged = @(Merge-NetworkNeighborData -Rows $Rows)
    $merged | ConvertTo-Json -Depth 10 | Out-File -LiteralPath $jsonPath -Encoding UTF8
    $reportData = @(Get-Content -LiteralPath $jsonPath -Raw | ConvertFrom-Json)
    Set-StrictMode -Off
    $reportData | Export-DynamicDashboardHtml -OutputPath $htmlPath -ReportTitle 'Network Neighbor Relationships' -CardField @('Status','Protocol','RelatedProtocols','CorrelationStatus') -StatusField 'Status' -ExportPrefix 'network_neighbors' -TemplatePath (Join-Path $WhatsUpGoldPsRepoPath 'helpers\reports\Dynamic-Dashboard-Template.html')
    [pscustomobject][ordered]@{ JsonPath = $jsonPath; HtmlPath = $htmlPath; RowCount = $merged.Count; CorrelatedCount = @($merged | Where-Object CorrelationStatus -eq 'Correlated').Count }
}

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