Upload level exam without hooking up to firestore and running in thread, will do this when I have the edit view done

modules/upload_level/mapper.py

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+from typing import Dict, Any
+
+from pydantic import ValidationError
+
+from modules.upload_level.exam_dtos import (
+    MultipleChoiceExercise,
+    FillBlanksExercise,
+    Part, Exam
+)
+from modules.upload_level.sheet_dtos import Sheet, Option, MultipleChoiceQuestion, FillBlanksWord
+
+
+class ExamMapper:
+
+    @staticmethod
+    def map_to_exam_model(response: Dict[str, Any]) -> Exam:
+        parts = []
+        for part in response['parts']:
+            part_exercises = part['exercises']
+            context = part.get('context', None)
+
+            exercises = []
+            for exercise in part_exercises:
+                exercise_type = exercise['type']
+                if exercise_type == 'multipleChoice':
+                    exercise_model = MultipleChoiceExercise(**exercise)
+                elif exercise_type == 'fillBlanks':
+                    exercise_model = FillBlanksExercise(**exercise)
+                else:
+                    raise ValidationError(f"Unknown exercise type: {exercise_type}")
+
+                exercises.append(exercise_model)
+
+            part_kwargs = {"exercises": exercises}
+            if context is not None:
+                part_kwargs["context"] = context
+
+            part_model = Part(**part_kwargs)
+            parts.append(part_model)
+
+        return Exam(parts=parts)
+
+    @staticmethod
+    def map_to_sheet(response: Dict[str, Any]) -> Sheet:
+        components = []
+
+        for item in response["components"]:
+            component_type = item["type"]
+
+            if component_type == "multipleChoice":
+                options = [Option(id=opt["id"], text=opt["text"]) for opt in item["options"]]
+                components.append(MultipleChoiceQuestion(
+                    id=item["id"],
+                    prompt=item["prompt"],
+                    variant=item.get("variant", "text"),
+                    options=options
+                ))
+            elif component_type == "fillBlanks":
+                components.append(FillBlanksWord(
+                    id=item["id"],
+                    options=item["options"]
+                ))
+            else:
+                components.append(item)
+
+        return Sheet(components=components)