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

ielts_be/controllers/impl/exam/writing.py

@@ -0,0 +1,19 @@
+from fastapi import UploadFile, HTTPException
+
+from ielts_be.controllers import IWritingController
+from ielts_be.services import IWritingService
+
+
+class WritingController(IWritingController):
+
+    def __init__(self, writing_service: IWritingService):
+        self._service = writing_service
+
+    async def get_writing_task_general_question(self, task: int, topic: str, difficulty: str):
+        return await self._service.get_writing_task_general_question(task, topic, difficulty)
+
+    async def get_writing_task_academic_question(self, task: int, attachment: UploadFile, difficulty: str):
+        if attachment.content_type not in ['image/jpeg', 'image/png']:
+            raise HTTPException(status_code=400, detail="Invalid file type. Only JPEG and PNG allowed.")
+
+        return await self._service.get_writing_task_academic_question(task, attachment, difficulty)