Merge pull request KelvinTegelaar#1676 from kris6673/release-note-popup

Feat: Add Invoke-ListGitHubReleaseNotes function for GitHub release retrieval

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/Tools/GitHub/Invoke-ListGitHubReleaseNotes.ps1

@@ -0,0 +1,70 @@
+function Invoke-ListGitHubReleaseNotes {
+    <#
+    .SYNOPSIS
+        Retrieves release notes for a GitHub repository.
+    .DESCRIPTION
+        Returns release metadata for the provided repository and semantic version. Hotfix
+        versions (e.g. v8.5.2) map back to the base release tag (v8.5.0).
+    .FUNCTIONALITY
+        Entrypoint,AnyTenant
+    .ROLE
+        CIPP.Core.Read
+    #>
+    [CmdletBinding()]
+    param($Request, $TriggerMetadata)
+
+    $Owner = $Request.Query.Owner
+    $Repository = $Request.Query.Repository
+
+    if (-not $Owner) {
+        throw 'Owner parameter is required to retrieve release notes.'
+    }
+
+    if (-not $Repository) {
+        throw 'Repository parameter is required to retrieve release notes.'
+    }
+
+    $ReleasePath = "repos/$Owner/$Repository/releases?per_page=50"
+
+    $Table = Get-CIPPTable -TableName cacheGitHubReleaseNotes
+    $PartitionKey = 'GitHubReleaseNotes'
+    $Filter = "PartitionKey eq '$PartitionKey'"
+    $Rows = Get-CIPPAzDataTableEntity @Table -filter $Filter | Where-Object -Property Timestamp -GT (Get-Date).AddHours(-24)
+
+    try {
+        if ($Rows) {
+            $Releases = ConvertFrom-Json -InputObject $Rows.GitHubReleases -Depth 10
+        } else {
+            $Releases = Invoke-GitHubApiRequest -Path $ReleasePath
+            $Releases = $Releases | ForEach-Object {
+                [ordered]@{
+                    name        = $_.name
+                    body        = $_.body
+                    releaseTag  = $_.tag_name
+                    htmlUrl     = $_.html_url
+                    publishedAt = $_.published_at
+                    draft       = [bool]$_.draft
+                    prerelease  = [bool]$_.prerelease
+                    commitish   = $_.target_commitish
+                }
+            }
+
+            $Results = @{
+                GitHubReleases = [string](ConvertTo-Json -Depth 10 -InputObject $Releases)
+                RowKey         = [string]'GitHubReleaseNotes'
+                PartitionKey   = $PartitionKey
+            }
+            Add-CIPPAzDataTableEntity @Table -Entity $Results -Force | Out-Null
+        }
+
+    } catch {
+        $ErrorMessage = "Failed to retrieve release information: $($_)"
+        throw $ErrorMessage
+    }
+
+    if (-not $Releases) {
+        return $IsListRequest ? @() : (throw "No releases returned for $Owner/$Repository")
+    }
+
+    return $Releases
+}