Brushed up the backend, added writing task 1 academic prompt gen and grading ENCOA-274

ielts_be/services/abc/exam/writing.py

@@ -0,0 +1,19 @@
+from abc import ABC, abstractmethod
+from typing import Optional
+
+from fastapi import UploadFile
+
+
+class IWritingService(ABC):
+
+    @abstractmethod
+    async def get_writing_task_general_question(self, task: int, topic: str, difficulty: str):
+        pass
+
+    @abstractmethod
+    async def get_writing_task_academic_question(self, task: int, attachment: UploadFile, difficulty: str):
+        pass
+
+    @abstractmethod
+    async def grade_writing_task(self, task: int, question: str, answer: str, attachment: Optional[str]):
+        pass