Update Gitea CI/CD deployment workflow

.gitea/workflows/deploy.yml

@@ -15,16 +15,42 @@ jobs:
       - name: Clean previous publish output
         shell: pwsh
         run: |
-          Remove-Item -Recurse -Force "c:\ci-output\webapi" -ErrorAction SilentlyContinue
-          Remove-Item -Recurse -Force "c:\ci-output\webapps" -ErrorAction SilentlyContinue
+          Remove-Item -Recurse -Force "C:\ci-output\webapi" -ErrorAction SilentlyContinue
+          Remove-Item -Recurse -Force "C:\ci-output\webapps" -ErrorAction SilentlyContinue
 
       - name: Publish WebApi
         shell: pwsh
-        run: dotnet publish .\CPRNIMS.WebApi\CPRNIMS.WebApi.csproj -c Release -o c:\ci-output\webapi
+        run: dotnet publish .\CPRNIMS.WebApi\CPRNIMS.WebApi.csproj -c Release -o C:\ci-output\webapi
 
       - name: Publish WebApps
         shell: pwsh
-        run: dotnet publish .\CPRNIMS.WebApps\CPRNIMS.WebApps.csproj -c Release -o c:\ci-output\webapps
+        run: dotnet publish .\CPRNIMS.WebApps\CPRNIMS.WebApps.csproj -c Release -o C:\ci-output\webapps
+
+      # ---- Backup current live deployment before touching anything ----
+      - name: Backup current live files
+        shell: pwsh
+        run: |
+          $stamp = Get-Date -Format "yyyyMMdd-HHmmss"
+          New-Item -ItemType Directory -Force -Path "C:\backups\$stamp" | Out-Null
+
+          # Mirror current live folders into the backup location (only if they exist / aren't empty)
+          if (Test-Path "C:\inetpub\cprnims-api") {
+            robocopy "C:\inetpub\cprnims-api" "C:\backups\$stamp\webapi" /MIR /R:2 /W:3 | Out-Null
+          }
+          if (Test-Path "C:\inetpub\cprnims-web") {
+            robocopy "C:\inetpub\cprnims-web" "C:\backups\$stamp\webapps" /MIR /R:2 /W:3 | Out-Null
+          }
+
+          # Record this backup's timestamp so later steps know where it lives
+          $stamp | Out-File -FilePath "C:\backups\latest.txt" -Encoding ascii -NoNewline
+
+          # Keep only the last 5 backups to avoid filling the disk
+          $all = Get-ChildItem "C:\backups" -Directory | Sort-Object Name -Descending
+          if ($all.Count -gt 5) {
+            $all | Select-Object -Skip 5 | Remove-Item -Recurse -Force
+          }
+
+          Write-Host "Backed up current deployment to C:\backups\$stamp"
 
       - name: Stop app pools
         shell: pwsh
@@ -35,15 +61,17 @@ jobs:
           Start-Sleep -Seconds 3
 
       - name: Deploy WebApi files
+        iC: deploy_api
         shell: pwsh
         run: |
-          robocopy "c:\ci-output\webapi" "C:\inetpub\cprnims-api" /MIR /R:3 /W:5
+          robocopy "C:\ci-output\webapi" "C:\inetpub\cprnims-api" /MIR /R:3 /W:5
           if ($LASTEXITCODE -ge 8) { throw "robocopy failed for WebApi with exit code $LASTEXITCODE" }
 
       - name: Deploy WebApps files
+        iC: deploy_web
         shell: pwsh
         run: |
-          robocopy "c:\ci-output\webapps" "C:\inetpub\cprnims-web" /MIR /R:3 /W:5
+          robocopy "C:\ci-output\webapps" "C:\inetpub\cprnims-web" /MIR /R:3 /W:5
           if ($LASTEXITCODE -ge 8) { throw "robocopy failed for WebApps with exit code $LASTEXITCODE" }
 
       - name: Start app pools
@@ -56,6 +84,7 @@ jobs:
       - name: Verify app pools are running
         shell: pwsh
         run: |
+          Start-Sleep -Seconds 3
           Import-Module WebAdministration
           $api = Get-WebAppPoolState -Name "CPRNIMS-Api"
           $web = Get-WebAppPoolState -Name "CPRNIMS-Web"
@@ -63,4 +92,44 @@ jobs:
           Write-Host "CPRNIMS-Web: $($web.Value)"
           if ($api.Value -ne "Started" -or $web.Value -ne "Started") {
             throw "One or more app pools failed to start"
+          }
+
+      # ---- Rollback path: only runs if any prior step in this job failed ----
+      - name: ROLLBACK - restore previous backup
+        if: failure()
+        shell: pwsh
+        run: |
+          $stamp = Get-Content "C:\backups\latest.txt" -Raw
+          $backupPath = "C:\backups\$stamp"
+          Write-Host "Deployment failed — rolling back to backup: $backupPath"
+
+          Import-Module WebAdministration
+          Stop-WebAppPool -Name "CPRNIMS-Api" -ErrorAction SilentlyContinue
+          Stop-WebAppPool -Name "CPRNIMS-Web" -ErrorAction SilentlyContinue
+          Start-Sleep -Seconds 3
+
+          if (Test-Path "$backupPath\webapi") {
+            robocopy "$backupPath\webapi" "C:\inetpub\cprnims-api" /MIR /R:3 /W:5
+          }
+          if (Test-Path "$backupPath\webapps") {
+            robocopy "$backupPath\webapps" "C:\inetpub\cprnims-web" /MIR /R:3 /W:5
+          }
+
+          Start-WebAppPool -Name "CPRNIMS-Api"
+          Start-WebAppPool -Name "CPRNIMS-Web"
+
+          Write-Host "Rollback complete. Restored from $backupPath"
+
+      - name: ROLLBACK - verify pools after restore
+        if: failure()
+        shell: pwsh
+        run: |
+          Start-Sleep -Seconds 3
+          Import-Module WebAdministration
+          $api = Get-WebAppPoolState -Name "CPRNIMS-Api"
+          $web = Get-WebAppPoolState -Name "CPRNIMS-Web"
+          Write-Host "After rollback — CPRNIMS-Api: $($api.Value)"
+          Write-Host "After rollback — CPRNIMS-Web: $($web.Value)"
+          if ($api.Value -ne "Started" -or $web.Value -ne "Started") {
+            Write-Host "WARNING: app pools still not running after rollback. Manual intervention needed."
           }