Merge branch 'chore/task-to-convert-drawio-to-svg' into 'main'

Add bash script to mass-convert drawio files to svg

See merge request cs108-fs26/Gruppe-13!5

.vscode/tasks.json

@@ -0,0 +1,11 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Export drawio to SVG",
+      "type": "shell",
+      "command": "./scripts/export-drawio.sh",
+      "problemMatcher": []
+    }
+  ]
+}

scripts/export-drawio.sh

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+#!/bin/bash
+
+# Check for draw.io installation
+DRAWIO_PATH=""
+check_drawio_installed() {
+  if command -v drawio &>/dev/null; then
+    DRAWIO_PATH=$(command -v drawio)
+    return 0 # drawio via PATH
+  elif [[ -x "/Applications/draw.io.app/Contents/MacOS/draw.io" ]]; then
+    DRAWIO_PATH="/Applications/draw.io.app/Contents/MacOS/draw.io"
+    return 0 # For macOS check at default path
+  else
+    return 1 # not found
+  fi
+}
+
+if ! check_drawio_installed; then
+  echo "Error: 'drawio' was not found. Make sure, that the draw.io cli is installed."
+  echo "https://www.diagrams.net/"
+  exit 1
+else
+  echo "Draw.io installation found at: $DRAWIO_PATH"
+fi
+
+# Compare source (draw.io document) and exported file svg on mtime
+needs_export() {
+  local drawio_file="$1"
+  local svg_file="$2"
+
+  # If no file found, export
+  if [[ ! -f "$svg_file" ]]; then
+    return 0
+  fi
+
+  if [[ "$drawio_file" -nt "$svg_file" ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+# If (re-)export is necessary export with drawio cli
+export_file() {
+  local drawio_file="$1"
+  local svg_file="${drawio_file%.drawio}.svg"
+
+  if needs_export "$drawio_file" "$svg_file"; then
+    echo "↻ Exporting: $drawio_file"
+    echo "$svg_file"
+    echo "$drawio_file"
+    
+    "$DRAWIO_PATH" --export --format svg --transparent --output "$svg_file" "$drawio_file"
+  else
+    echo "✓ Up-to-date: $drawio_file"
+  fi
+}
+
+# Iterate over all .drawio files
+main() {
+  # Source - https://stackoverflow.com/a/9612232
+  # Posted by Kevin, modified by community. See post 'Timeline' for change history
+  # Retrieved 2026-03-09, License - CC BY-SA 4.0
+  find . -name '*.drawio' -print0 | 
+    while IFS= read -r -d '' line; do 
+        export_file "$line"
+    done
+
+  echo "✓ Exported all files"
+}
+
+# Start script at entry point
+main