Implement Software Report Base Module (#6707)

* Implement first version

* fix tables rendering

* Fix scripts

* update test files

* implement calculate image diff script

* Polish code and make e2e validation

* remove test files

* render add and removed firstly
This commit is contained in:
Maxim Lobanov
2022-12-07 14:20:14 +01:00
committed by GitHub
parent 69cdead4fc
commit 6eaa5b44cf
5 changed files with 760 additions and 0 deletions

View File

@@ -0,0 +1,48 @@
using module ./SoftwareReport.psm1
using module ./SoftwareReport.Comparer.psm1
<#
.SYNOPSIS
Calculates the difference between two software reports and saves it to a file.
.PARAMETER PreviousJsonReportPath
Path to the previous software report.
.PARAMETER CurrentJsonReportPath
Path to the current software report.
.PARAMETER OutputFile
Path to the file where the difference will be saved.
#>
Param (
[Parameter(Mandatory=$true)]
[string] $PreviousJsonReportPath,
[Parameter(Mandatory=$true)]
[string] $CurrentJsonReportPath,
[Parameter(Mandatory=$true)]
[string] $OutputFile
)
$ErrorActionPreference = "Stop"
$global:ErrorView = "NormalView"
function Read-SoftwareReport {
Param (
[Parameter(Mandatory=$true)]
[string] $JsonReportPath
)
if (-not (Test-Path $JsonReportPath)) {
throw "File '$JsonReportPath' does not exist"
}
$jsonReport = Get-Content -Path $JsonReportPath -Raw
$report = [SoftwareReport]::FromJson($jsonReport)
return $report
}
$previousReport = Read-SoftwareReport -JsonReportPath $PreviousJsonReportPath
$currentReport = Read-SoftwareReport -JsonReportPath $CurrentJsonReportPath
$comparer = [SoftwareReportComparer]::new($previousReport, $currentReport)
$comparer.CompareReports()
$diff = $comparer.GetMarkdownReport()
$diff | Out-File -Path $OutputFile -Encoding utf8NoBOM

View File

@@ -0,0 +1,47 @@
############################
### Abstract base nodes ####
############################
# Abstract base class for all nodes
class BaseNode {
[Boolean] ShouldBeIncludedToDiff() {
return $False
}
[Boolean] IsSimilarTo([BaseNode] $OtherNode) {
throw "Abtract method 'IsSimilarTo' is not implemented for '$($this.GetType().Name)'"
}
[Boolean] IsIdenticalTo([BaseNode] $OtherNode) {
throw "Abtract method 'IsIdenticalTo' is not implemented for '$($this.GetType().Name)'"
}
}
# Abstract base class for all nodes that describe a tool and should be rendered inside diff table
class BaseToolNode: BaseNode {
[String] $ToolName
BaseToolNode([String] $ToolName) {
$this.ToolName = $ToolName
}
[Boolean] ShouldBeIncludedToDiff() {
return $True
}
[String] GetValue() {
throw "Abtract method 'GetValue' is not implemented for '$($this.GetType().Name)'"
}
[Boolean] IsSimilarTo([BaseNode] $OtherNode) {
if ($this.GetType() -ne $OtherNode.GetType()) {
return $False
}
return $this.ToolName -eq $OtherNode.ToolName
}
[Boolean] IsIdenticalTo([BaseNode] $OtherNode) {
return $this.IsSimilarTo($OtherNode) -and ($this.GetValue() -eq $OtherNode.GetValue())
}
}

View File

@@ -0,0 +1,303 @@
using module ./SoftwareReport.psm1
using module ./SoftwareReport.BaseNodes.psm1
using module ./SoftwareReport.Nodes.psm1
# SoftwareReportComparer is used to calculate differences between two SoftwareReport objects
class SoftwareReportComparer {
hidden [SoftwareReport] $PreviousReport
hidden [SoftwareReport] $CurrentReport
hidden [Collections.Generic.List[ReportDifferenceItem]] $AddedItems
hidden [Collections.Generic.List[ReportDifferenceItem]] $ChangedItems
hidden [Collections.Generic.List[ReportDifferenceItem]] $DeletedItems
SoftwareReportComparer([SoftwareReport] $PreviousReport, [SoftwareReport] $CurrentReport) {
$this.PreviousReport = $PreviousReport
$this.CurrentReport = $CurrentReport
}
[void] CompareReports() {
$this.AddedItems = @()
$this.ChangedItems = @()
$this.DeletedItems = @()
$this.CompareInternal($this.PreviousReport.Root, $this.CurrentReport.Root, @())
}
hidden [void] CompareInternal([HeaderNode] $previousReportPointer, [HeaderNode] $currentReportPointer, [Array] $Headers) {
$currentReportPointer.Children ?? @() | Where-Object { $_.ShouldBeIncludedToDiff() -and $this.FilterExcludedNodes($_) } | ForEach-Object {
$currentReportNode = $_
$sameNodeInPreviousReport = $previousReportPointer ? $previousReportPointer.FindSimilarChildNode($currentReportNode) : $null
if ($currentReportNode -is [HeaderNode]) {
$this.CompareInternal($sameNodeInPreviousReport, $currentReportNode, $Headers + $currentReportNode.Title)
} else {
if ($sameNodeInPreviousReport -and ($currentReportNode.IsIdenticalTo($sameNodeInPreviousReport))) {
# Nodes are identical, nothing changed, just ignore it
} elseif ($sameNodeInPreviousReport) {
# Nodes are equal but not identical, so something was changed
$this.ChangedItems.Add([ReportDifferenceItem]::new($sameNodeInPreviousReport, $currentReportNode, $Headers))
} else {
# Node was not found in previous report, new node was added
$this.AddedItems.Add([ReportDifferenceItem]::new($null, $currentReportNode, $Headers))
}
}
}
# Detecting nodes that were removed
$previousReportPointer.Children ?? @() | Where-Object { $_.ShouldBeIncludedToDiff() -and $this.FilterExcludedNodes($_) } | ForEach-Object {
$previousReportNode = $_
$sameNodeInCurrentReport = $currentReportPointer ? $currentReportPointer.FindSimilarChildNode($previousReportNode) : $null
if (-not $sameNodeInCurrentReport) {
if ($previousReportNode -is [HeaderNode]) {
$this.CompareInternal($previousReportNode, $null, $Headers + $previousReportNode.Title)
} else {
$this.DeletedItems.Add([ReportDifferenceItem]::new($previousReportNode, $null, $Headers))
}
}
}
}
[String] GetMarkdownReport() {
$reporter = [SoftwareReportComparerReport]::new()
$report = $reporter.GenerateMarkdownReport($this.CurrentReport, $this.PreviousReport, $this.AddedItems, $this.ChangedItems, $this.DeletedItems)
return $report
}
hidden [Boolean] FilterExcludedNodes([BaseNode] $Node) {
# We shouldn't show "Image Version" diff because it is already shown in report header
if (($Node -is [ToolNode]) -and ($Node.ToolName -eq "Image Version:")) {
return $False
}
return $True
}
}
# SoftwareReportComparerReport is used to render results of SoftwareReportComparer in markdown format
class SoftwareReportComparerReport {
[String] GenerateMarkdownReport([SoftwareReport] $CurrentReport, [SoftwareReport] $PreviousReport, [ReportDifferenceItem[]] $AddedItems, [ReportDifferenceItem[]] $ChangedItems, [ReportDifferenceItem[]] $DeletedItems) {
$sb = [System.Text.StringBuilder]::new()
$rootNode = $CurrentReport.Root
$imageVersion = $this.GetImageVersion($CurrentReport)
$previousImageVersion = $this.GetImageVersion($PreviousReport)
#############################
### Render report header ####
#############################
$sb.AppendLine("# :desktop_computer: $($rootNode.Title)")
# ToolNodes on root level contains main image description so just copy-paste them to final report
$rootNode.Children | Where-Object { $_ -is [BaseToolNode] } | ForEach-Object {
$sb.AppendLine($_.ToMarkdown(0))
}
$sb.AppendLine()
$sb.AppendLine("## :mega: What's changed?")
###########################
### Render added items ####
###########################
[ReportDifferenceItem[]] $addedItemsExcludeTables = $AddedItems | Where-Object { $_.IsBaseToolNode() }
if ($addedItemsExcludeTables.Count -gt 0) {
$tableItems = $addedItemsExcludeTables | ForEach-Object {
[PSCustomObject]@{
"Category" = $this.RenderCategory($_.Headers, $True);
"Tool name" = $this.RenderToolName($_.CurrentReportNode.ToolName);
"Current ($imageVersion)" = $_.CurrentReportNode.GetValue();
}
}
$sb.AppendLine("### Added :heavy_plus_sign:")
$sb.AppendLine($this.RenderHtmlTable($tableItems, "Category"))
$sb.AppendLine()
}
# Render added tables separately
$AddedItems | Where-Object { $_.IsTableNode() } | ForEach-Object {
$sb.AppendLine($this.RenderTableNodesDiff($_))
}
#############################
### Render deleted items ####
#############################
[ReportDifferenceItem[]] $deletedItemsExcludeTables = $DeletedItems | Where-Object { $_.IsBaseToolNode() }
if ($deletedItemsExcludeTables.Count -gt 0) {
$tableItems = $deletedItemsExcludeTables | ForEach-Object {
[PSCustomObject]@{
"Category" = $this.RenderCategory($_.Headers, $True);
"Tool name" = $this.RenderToolName($_.PreviousReportNode.ToolName);
"Previous ($previousImageVersion)" = $_.PreviousReportNode.GetValue();
}
}
$sb.AppendLine("### Deleted :heavy_minus_sign:")
$sb.AppendLine($this.RenderHtmlTable($tableItems, "Category"))
$sb.AppendLine()
}
#############################
### Render updated items ####
#############################
[ReportDifferenceItem[]] $changedItemsExcludeTables = $ChangedItems | Where-Object { $_.IsBaseToolNode() }
if ($changedItemsExcludeTables.Count -gt 0) {
$tableItems = $changedItemsExcludeTables | ForEach-Object {
[PSCustomObject]@{
"Category" = $this.RenderCategory($_.Headers, $True);
"Tool name" = $this.RenderToolName($_.CurrentReportNode.ToolName);
"Previous ($previousImageVersion)" = $_.PreviousReportNode.GetValue();
"Current ($imageVersion)" = $_.CurrentReportNode.GetValue();
}
}
$sb.AppendLine("### Updated")
$sb.AppendLine($this.RenderHtmlTable($tableItems, "Category"))
$sb.AppendLine()
}
# Render updated tables separately
$ChangedItems | Where-Object { $_.IsTableNode() } | ForEach-Object {
$sb.AppendLine($this.RenderTableNodesDiff($_))
}
# Render deleted tables separately
$DeletedItems | Where-Object { $_.IsTableNode() } | ForEach-Object {
$sb.AppendLine($this.RenderTableNodesDiff($_))
}
return $sb.ToString()
}
[String] RenderHtmlTable([PSCustomObject[]] $Table, $RowSpanColumnName) {
$headers = $Table[0].PSObject.Properties.Name
$sb = [System.Text.StringBuilder]::new()
$sb.AppendLine("<table>")
$sb.AppendLine(" <thead>")
$headers | ForEach-Object {
$sb.AppendLine(" <th>$_</th>")
}
$sb.AppendLine(" </thead>")
$sb.AppendLine(" <tbody>")
$tableRowSpans = $this.CalculateHtmlTableRowSpan($Table, $RowSpanColumnName)
for ($rowIndex = 0; $rowIndex -lt $Table.Count; $rowIndex++) {
$row = $Table[$rowIndex]
$sb.AppendLine(" <tr>")
$headers | ForEach-Object {
if ($_ -eq $RowSpanColumnName) {
if ($tableRowSpans[$rowIndex] -gt 0) {
$sb.AppendLine(" <td rowspan=$($tableRowSpans[$rowIndex])>$($row.$_)</td>")
} else {
# Skip rendering this cell at all
}
} else {
$sb.AppendLine(" <td>$($row.$_)</td>")
}
}
$sb.AppendLine(" </tr>")
}
$sb.AppendLine(" </tbody>")
$sb.AppendLine("</table>")
return $sb.ToString()
}
[int[]] CalculateHtmlTableRowSpan([PSCustomObject[]] $Table, $keyColumn) {
$result = @(0) * $Table.Count
for ($rowIndex = $Table.Count - 1; $rowIndex -ge 0; $rowIndex--) {
if (($rowIndex -lt ($Table.Count - 1)) -and ($Table[$rowIndex].$keyColumn -eq $Table[$rowIndex + 1].$keyColumn)) {
# If the current row is the same as the next row
# Then rowspan of current row should be equal to rowspan of the next row + 1
# And rowspan of the next row should be 0 because it is already included in the rowspan of the current row
$result[$rowIndex] = $result[$rowIndex + 1] + 1
$result[$rowIndex + 1] = 0
} else {
$result[$rowIndex] = 1
}
}
return $result
}
[String] RenderTableNodesDiff([ReportDifferenceItem] $DiffItem) {
# Use the simplest approach for now: first, print all removed lines. Then print added lines
# It will work well for most cases like changing existing rows, adding new rows and removing rows
# But can produce not so pretty results for cases when some rows are changed and some rows are added at the same time
# Let's see how it works in practice and improve it later if needed
[String] $tableHeaders = ($DiffItem.CurrentReportNode ?? $DiffItem.PreviousReportNode).Headers
[System.Collections.ArrayList] $tableRows = @()
$DiffItem.PreviousReportNode.Rows ?? @() | Where-Object { $_ -notin $DiffItem.CurrentReportNode.Rows } | ForEach-Object {
$tableRows.Add($this.StrikeTableRow($_))
}
$DiffItem.CurrentReportNode.Rows ?? @() | Where-Object { $_ -notin $DiffItem.PreviousReportNode.Rows } | ForEach-Object {
$tableRows.Add($_)
}
$sb = [System.Text.StringBuilder]::new()
$sb.AppendLine("#### $($this.RenderCategory($DiffItem.Headers, $False))")
$sb.AppendLine([TableNode]::new($tableHeaders, $tableRows).ToMarkdown(0))
return $sb.ToString()
}
[String] RenderCategory([Array] $Headers, [Boolean] $AddLineSeparator) {
# Always skip the first header because it is "Installed Software"
[Array] $takeHeaders = $Headers | Select-Object -Skip 1
if ($takeHeaders.Count -eq 0) {
return ""
}
$lineSeparator = $AddLineSeparator ? "<br>": ""
return [String]::Join(" >$lineSeparator ", $takeHeaders)
}
[String] RenderToolName([String] $ToolName) {
return $ToolName.TrimEnd(":")
}
[String] StrikeTableRow([String] $Row) {
# Convert "a|b|c" to "~~a~~|~~b~~|~~c~~
$cells = $Row.Split("|")
$strikedCells = $cells | ForEach-Object { "~~$($_)~~"}
return [String]::Join("|", $strikedCells)
}
[String] GetImageVersion([SoftwareReport] $Report) {
$imageVersionNode = $Report.Root.Children ?? @() | Where-Object { ($_ -is [ToolNode]) -and ($_.ToolName -eq "Image Version:") } | Select-Object -First 1
return $imageVersionNode.Version ?? "Unknown version"
}
}
# Temporary structure to store the single difference between two reports
class ReportDifferenceItem {
[BaseNode] $PreviousReportNode
[BaseNode] $CurrentReportNode
[Array] $Headers
ReportDifferenceItem([BaseNode] $PreviousReportNode, [BaseNode] $CurrentReportNode, [Array] $Headers) {
$this.PreviousReportNode = $PreviousReportNode
$this.CurrentReportNode = $CurrentReportNode
$this.Headers = $Headers
}
[Boolean] IsBaseToolNode() {
$node = $this.CurrentReportNode ?? $this.PreviousReportNode
return $node -is [BaseToolNode]
}
[Boolean] IsTableNode() {
$node = $this.CurrentReportNode ?? $this.PreviousReportNode
return $node -is [TableNode]
}
}

View File

@@ -0,0 +1,334 @@
using module ./SoftwareReport.BaseNodes.psm1
#########################################
### Nodes to describe image software ####
#########################################
# NodesFactory is used to simplify parsing different types of notes
# Every node has own logic of parsing and this method just invokes "FromJsonObject" of correct node type
class NodesFactory {
static [BaseNode] ParseNodeFromObject($jsonObj) {
if ($jsonObj.NodeType -eq [HeaderNode].Name) {
return [HeaderNode]::FromJsonObject($jsonObj)
} elseif ($jsonObj.NodeType -eq [ToolNode].Name) {
return [ToolNode]::FromJsonObject($jsonObj)
} elseif ($jsonObj.NodeType -eq [ToolVersionsNode].Name) {
return [ToolVersionsNode]::FromJsonObject($jsonObj)
} elseif ($jsonObj.NodeType -eq [TableNode].Name) {
return [TableNode]::FromJsonObject($jsonObj)
} elseif ($jsonObj.NodeType -eq [NoteNode].Name) {
return [NoteNode]::FromJsonObject($jsonObj)
}
throw "Unknown node type in ParseNodeFromObject '$($jsonObj.NodeType)'"
}
}
# Node type to describe headers: "## Installed software"
class HeaderNode: BaseNode {
[String] $Title
[System.Collections.ArrayList] $Children
HeaderNode([String] $Title) {
$this.Title = $Title
$this.Children = @()
}
[Boolean] ShouldBeIncludedToDiff() {
return $True
}
[void] AddNode([BaseNode] $node) {
$similarNode = $this.FindSimilarChildNode($node)
if ($similarNode) {
throw "This HeaderNode already contains the similar child node. It is not allowed to add the same node twice.`nFound node: $($similarNode.ToJsonObject() | ConvertTo-Json)`nNew node: $($node.ToJsonObject() | ConvertTo-Json)"
}
$this.Children.Add($node)
}
[void] AddNodes([Array] $nodes) {
$nodes | ForEach-Object {
$this.AddNode($_)
}
}
[HeaderNode] AddHeaderNode([String] $Title) {
$node = [HeaderNode]::new($Title)
$this.AddNode($node)
return $node
}
[void] AddToolNode([String] $ToolName, [String] $Version) {
$this.AddNode([ToolNode]::new($ToolName, $Version))
}
[void] AddToolVersionsNode([String] $ToolName, [Array] $Version) {
$this.AddNode([ToolVersionsNode]::new($ToolName, $Version))
}
[void] AddTableNode([Array] $Table) {
$this.AddNode([TableNode]::FromObjectsArray($Table))
}
[void] AddNoteNode([String] $Content) {
$this.AddNode([NoteNode]::new($Content))
}
[String] ToMarkdown($level) {
$sb = [System.Text.StringBuilder]::new()
$sb.AppendLine()
$sb.AppendLine("$("#" * $level) $($this.Title)")
$this.Children | ForEach-Object {
$sb.AppendLine($_.ToMarkdown($level + 1))
}
return $sb.ToString().TrimEnd()
}
[PSCustomObject] ToJsonObject() {
return [PSCustomObject]@{
NodeType = $this.GetType().Name
Title = $this.Title
Children = $this.Children | ForEach-Object { $_.ToJsonObject() }
}
}
static [HeaderNode] FromJsonObject($jsonObj) {
$node = [HeaderNode]::new($jsonObj.Title)
$jsonObj.Children | Where-Object { $_ } | ForEach-Object { $node.AddNode([NodesFactory]::ParseNodeFromObject($_)) }
return $node
}
[Boolean] IsSimilarTo([BaseNode] $OtherNode) {
if ($OtherNode.GetType() -ne [HeaderNode]) {
return $false
}
return $this.Title -eq $OtherNode.Title
}
[Boolean] IsIdenticalTo([BaseNode] $OtherNode) {
return $this.IsSimilarTo($OtherNode)
}
[BaseNode] FindSimilarChildNode([BaseNode] $Find) {
foreach ($childNode in $this.Children) {
if ($childNode.IsSimilarTo($Find)) {
return $childNode
}
}
return $null
}
}
# Node type to describe the tool with single version: "Bash 5.1.16"
class ToolNode: BaseToolNode {
[String] $Version
ToolNode([String] $ToolName, [String] $Version): base($ToolName) {
$this.Version = $Version
}
[String] ToMarkdown($level) {
return "- $($this.ToolName) $($this.Version)"
}
[String] GetValue() {
return $this.Version
}
[PSCustomObject] ToJsonObject() {
return [PSCustomObject]@{
NodeType = $this.GetType().Name
ToolName = $this.ToolName
Version = $this.Version
}
}
static [BaseNode] FromJsonObject($jsonObj) {
return [ToolNode]::new($jsonObj.ToolName, $jsonObj.Version)
}
}
# Node type to describe the tool with multiple versions "Toolcache Node.js 14.17.6 16.2.0 18.2.3"
class ToolVersionsNode: BaseToolNode {
[Array] $Versions
ToolVersionsNode([String] $ToolName, [Array] $Versions): base($ToolName) {
$this.Versions = $Versions
}
[String] ToMarkdown($level) {
$sb = [System.Text.StringBuilder]::new()
$sb.AppendLine()
$sb.AppendLine("$("#" * $level) $($this.ToolName)")
$this.Versions | ForEach-Object {
$sb.AppendLine("- $_")
}
return $sb.ToString().TrimEnd()
}
[String] GetValue() {
return $this.Versions -join ', '
}
[PSCustomObject] ToJsonObject() {
return [PSCustomObject]@{
NodeType = $this.GetType().Name
ToolName = $this.ToolName
Versions = $this.Versions
}
}
static [ToolVersionsNode] FromJsonObject($jsonObj) {
return [ToolVersionsNode]::new($jsonObj.ToolName, $jsonObj.Versions)
}
}
# Node type to describe tables
class TableNode: BaseNode {
# It is easier to store the table as rendered lines because it will simplify finding differences in rows later
[String] $Headers
[System.Collections.ArrayList] $Rows
TableNode($Headers, $Rows) {
$this.Headers = $Headers
$this.Rows = $Rows
}
[Boolean] ShouldBeIncludedToDiff() {
return $True
}
static [TableNode] FromObjectsArray([Array] $Table) {
# take column names from the first row in table because we expect all rows to have the same columns
[String] $tableHeaders = [TableNode]::ArrayToTableRow($Table[0].PSObject.Properties.Name)
[System.Collections.ArrayList] $tableRows = @()
$Table | ForEach-Object {
$tableRows.Add([TableNode]::ArrayToTableRow($_.PSObject.Properties.Value))
}
return [TableNode]::new($tableHeaders, $tableRows)
}
[String] ToMarkdown($level) {
$maxColumnWidths = $this.Headers.Split("|") | ForEach-Object { $_.Length }
$columnsCount = $maxColumnWidths.Count
$this.Rows | ForEach-Object {
$columnWidths = $_.Split("|") | ForEach-Object { $_.Length }
for ($colIndex = 0; $colIndex -lt $columnsCount; $colIndex++) {
$maxColumnWidths[$colIndex] = [Math]::Max($maxColumnWidths[$colIndex], $columnWidths[$colIndex])
}
}
$delimeterLine = [String]::Join("|", @("-") * $columnsCount)
$sb = [System.Text.StringBuilder]::new()
@($this.Headers) + @($delimeterLine) + $this.Rows | ForEach-Object {
$sb.Append("|")
$row = $_.Split("|")
for ($colIndex = 0; $colIndex -lt $columnsCount; $colIndex++) {
$padSymbol = $row[$colIndex] -eq "-" ? "-" : " "
$cellContent = $row[$colIndex].PadRight($maxColumnWidths[$colIndex], $padSymbol)
$sb.Append(" $($cellContent) |")
}
$sb.AppendLine()
}
return $sb.ToString().TrimEnd()
}
[PSCustomObject] ToJsonObject() {
return [PSCustomObject]@{
NodeType = $this.GetType().Name
Headers = $this.Headers
Rows = $this.Rows
}
}
static [TableNode] FromJsonObject($jsonObj) {
return [TableNode]::new($jsonObj.Headers, $jsonObj.Rows)
}
[Boolean] IsSimilarTo([BaseNode] $OtherNode) {
if ($OtherNode.GetType() -ne [TableNode]) {
return $false
}
# We don't support having multiple TableNode instances on the same header level so such check is fine
return $true
}
[Boolean] IsIdenticalTo([BaseNode] $OtherNode) {
if (-not $this.IsSimilarTo($OtherNode)) {
return $false
}
if ($this.Headers -ne $OtherNode.Headers) {
return $false
}
if ($this.Rows.Count -ne $OtherNode.Rows.Count) {
return $false
}
for ($rowIndex = 0; $rowIndex -lt $this.Rows.Count; $rowIndex++) {
if ($this.Rows[$rowIndex] -ne $OtherNode.Rows[$rowIndex]) {
return $false
}
}
return $true
}
hidden static [String] ArrayToTableRow([Array] $Values) {
# TO-DO: Add validation for the case when $Values contains "|"
return [String]::Join("|", $Values)
}
}
class NoteNode: BaseNode {
[String] $Content
NoteNode([String] $Content) {
$this.Content = $Content
}
[String] ToMarkdown($level) {
return @(
'```',
$this.Content,
'```'
) -join "`n"
}
[PSCustomObject] ToJsonObject() {
return [PSCustomObject]@{
NodeType = $this.GetType().Name
Content = $this.Content
}
}
static [NoteNode] FromJsonObject($jsonObj) {
return [NoteNode]::new($jsonObj.Content)
}
[Boolean] IsSimilarTo([BaseNode] $OtherNode) {
if ($OtherNode.GetType() -ne [NoteNode]) {
return $false
}
return $this.Content -eq $OtherNode.Content
}
[Boolean] IsIdenticalTo([BaseNode] $OtherNode) {
return $this.IsSimilarTo($OtherNode)
}
}

View File

@@ -0,0 +1,28 @@
using module ./SoftwareReport.BaseNodes.psm1
using module ./SoftwareReport.Nodes.psm1
class SoftwareReport {
[HeaderNode] $Root
SoftwareReport([String] $Title) {
$this.Root = [HeaderNode]::new($Title)
}
SoftwareReport([HeaderNode] $Root) {
$this.Root = $Root
}
[String] ToJson() {
return $this.Root.ToJsonObject() | ConvertTo-Json -Depth 10
}
static [SoftwareReport] FromJson($jsonString) {
$jsonObj = $jsonString | ConvertFrom-Json
$rootNode = [NodesFactory]::ParseNodeFromObject($jsonObj)
return [SoftwareReport]::new($rootNode)
}
[String] ToMarkdown() {
return $this.Root.ToMarkdown(1).Trim()
}
}