Refactoring for validation

app.py

@@ -48,29 +48,34 @@ def format_results(results: List[Tuple[str, str]]) -> str:
     output = output.strip()
     return output
 
-def validate_tags(tags: str) -> None:
-    if not tags:
+def validate_and_get_tags(tags: str) -> List[str]:
+    if not tags.strip():
         raise gr.Error('Validation error. It is necessary to set at least one tag')
+    
+    tags = tags.split('\n')
     if len(tags) > max_tags_count:
         raise gr.Error(f'Validation error. The maximum allowed number of tags is {max_tags_count}.')
+    
+    return tags
 
-def validate_questions(questions: str) -> None:
-    if not questions:
+def validate_and_get_questions(questions: str) -> List[str]:
+    if not questions.strip():
         raise gr.Error('Validation error. It is necessary to ask at least one question')
+    
+    questions = questions.split('\n')
     if len(questions) > max_questions_count:
         raise gr.Error(f'Validation error. The maximum allowed number of questions is {max_questions_count}.')
+    
+    return questions
 
 def find_answers(tags: str, questions: str, progress=gr.Progress()) -> str:
-    tags = tags.split('\n')
-    questions = questions.split('\n')
+    tags = validate_and_get_tags(tags)
+    questions = validate_and_get_questions(questions)
 
     print(f'New attempt to get answers. Got {len(tags)} tags and {len(questions)} questions')
     print(f'Tags: {tags}')
     print(f'Questions: {questions}')
 
-    validate_tags(tags)
-    validate_questions(questions)
-
     tags_str = ''.join([f'[{tag}]' for tag in tags])
 
     results = []