feat: add support for multiple label formats in get_label function

routes/printing.py

@@ -1,4 +1,4 @@
-from flask import Blueprint, request, send_file
+from flask import Blueprint, request, send_file, jsonify
 from routes.utils import jwt_protect_blueprint
 import sipro.api.printing
 
@@ -9,9 +9,13 @@ printing_blueprint = jwt_protect_blueprint(Blueprint('printing', __name__))
 def get_label():
     args = request.args
     order_id = args.get('orderId')
-    data = sipro.api.printing.get_label(order_id)
+    label_format = args.get('format', 'pdf')
+    data = sipro.api.printing.get_label(order_id, label_format=label_format)
     data.seek(0)
-    return send_file(data,
-                     as_attachment=True,
-                     download_name='label.pdf',
-                     mimetype='application/pdf')
+
+    if label_format == 'pdf':
+        return send_file(data,
+                         as_attachment=True,
+                         download_name='label.pdf',
+                         mimetype='application/pdf')
+    return jsonify(data.read().decode('utf-8'))