feat:backup und restore der contao Datenbank über sql file

development-system/scripts/Import-ContaoBaseline.ps1

@@ -0,0 +1,55 @@
+[CmdletBinding()]
+param(
+    [string]$ComposeFile = (Join-Path $PSScriptRoot '..\docker-compose.yml'),
+    [string]$SeedPath = (Join-Path $PSScriptRoot '..\database\contao-baseline.sql'),
+    [switch]$ReplaceExisting
+)
+
+$ErrorActionPreference = 'Stop'
+$tables = @('tl_theme', 'tl_layout', 'tl_module', 'tl_page', 'tl_article', 'tl_content', 'tl_form', 'tl_form_field')
+
+if (-not (Test-Path -LiteralPath $SeedPath)) {
+    throw "Der Baseline-Seed '$SeedPath' wurde nicht gefunden."
+}
+
+$composeFile = (Resolve-Path -LiteralPath $ComposeFile).Path
+$countQuery = ($tables | ForEach-Object { "SELECT COUNT(*) FROM $_" }) -join ' UNION ALL '
+$checkCommand = "mariadb -N -u`"`$MARIADB_USER`" -p`"`$MARIADB_PASSWORD`" `"`$MARIADB_DATABASE`" -e `"$countQuery`""
+$existingRows = (& docker compose -f $composeFile exec -T db sh -lc $checkCommand | ForEach-Object { [int]$_ } | Measure-Object -Sum).Sum
+
+if ($existingRows -gt 0 -and -not $ReplaceExisting) {
+    throw 'Die versionierten Contao-Tabellen enthalten bereits Daten. Der Import wurde nicht ausgeführt. Nutze -ReplaceExisting nur, wenn du die aktuelle Seitenstruktur bewusst durch den Git-Stand ersetzen möchtest.'
+}
+
+$seed = Get-Content -LiteralPath $SeedPath -Raw
+if ($ReplaceExisting) {
+    $deleteStatements = @(
+        'SET FOREIGN_KEY_CHECKS=0;',
+        'DELETE FROM tl_content;',
+        'DELETE FROM tl_article;',
+        'DELETE FROM tl_form_field;',
+        'DELETE FROM tl_form;',
+        'DELETE FROM tl_module;',
+        'DELETE FROM tl_page;',
+        'DELETE FROM tl_layout;',
+        'DELETE FROM tl_theme;',
+        'SET FOREIGN_KEY_CHECKS=1;',
+        ''
+    ) -join [Environment]::NewLine
+    $seed = $deleteStatements + $seed
+}
+
+$utf8WithoutBom = New-Object System.Text.UTF8Encoding($false)
+[Console]::OutputEncoding = $utf8WithoutBom
+$seed | & docker compose -f $composeFile exec -T db sh -lc 'exec mariadb -u"$MARIADB_USER" -p"$MARIADB_PASSWORD" "$MARIADB_DATABASE"'
+
+if ($LASTEXITCODE -ne 0) {
+    throw 'Der Contao-Baseline-Import ist fehlgeschlagen.'
+}
+
+& docker compose -f $composeFile exec -T app sh -lc 'runuser -u www-data -- vendor/bin/contao-console cache:clear --env=dev'
+if ($LASTEXITCODE -ne 0) {
+    throw 'Der Import war erfolgreich, aber der Contao-Cache konnte nicht geleert werden.'
+}
+
+Write-Host 'Contao-Baseline importiert und Cache geleert.'