Changes to endpoints so they allow to only get context and then the exercises as well as tidying up a bit

app/services/abc/exam/level.py

@@ -1,7 +1,7 @@
 from abc import ABC, abstractmethod
 import random
 
-from typing import Dict
+from typing import Dict, Optional
 
 from fastapi import UploadFile
 
@@ -10,6 +10,10 @@ from app.configs.constants import EducationalContent
 
 class ILevelService(ABC):
 
+    @abstractmethod
+    async def generate_exercises(self, dto):
+        pass
+
     @abstractmethod
     async def get_level_exam(
             self, number_of_exercises: int = 25, min_timer: int = 25, diagnostic: bool = False
@@ -30,18 +34,18 @@ class ILevelService(ABC):
 
     @abstractmethod
     async def gen_multiple_choice(
-            self, mc_variant: str, quantity: int, start_id: int = 1, *, utas: bool = False, all_exams=None
+            self, mc_variant: str, quantity: int, start_id: int = 1 #, *, utas: bool = False, all_exams=None
     ):
         pass
 
     @abstractmethod
     async def gen_blank_space_text_utas(
-            self, quantity: int, start_id: int, size: int, topic=random.choice(EducationalContent.MTI_TOPICS)
+            self, quantity: int, start_id: int, size: int, topic: str
     ):
         pass
 
     @abstractmethod
     async def gen_reading_passage_utas(
-            self, start_id, sa_quantity: int, mc_quantity: int, topic=random.choice(EducationalContent.MTI_TOPICS)
+            self, start_id, mc_quantity: int, topic: Optional[str] #sa_quantity: int,
     ):
         pass