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from locale import currency
from typing import Any, List
from hashlib import sha1
import os
import shutil
from fastapi import APIRouter, Depends, UploadFile, File
from sqlalchemy.orm import Session
from core.config import settings
from models import User
import aiofiles
from utils import deps
from cruds import crud_assignment, crud_group, crud_assignment_upload
from schemas import Assignment, AssignmentUpdate, AssignmentCreate
router = APIRouter()
ASSIGNMENT_ROUTE: str = "assignments"
@router.get("/", response_model=List[Assignment])
async def get_assignment(
db: Session = Depends(deps.get_db),
skip: int = 0,
limit: int = -1,
current_user: User = Depends(deps.get_current_active_user),
) -> Any:
if current_user.user_type == settings.UserType.STUDENT.value:
group = crud_group.get(db, id=current_user.group_id)
assignment = crud_assignment.get_quiz_by_group_id(db=db, group=group)
index = 0
for assig in assignment:
assignmentUpload = crud_assignment_upload.get_by_assignment_id(
db=db,
assignmentId=assig.id,
studentId=current_user.id,
)
if assignmentUpload:
assignment[index].exists = True
else:
assignment[index].exists = False
index += 1
return assignment
if current_user.user_type == settings.UserType.TEACHER.value:
return crud_assignment.get_quiz_by_instructor_id(db=db, user=current_user)
if current_user.user_type <= settings.UserType.ADMIN.value:
return crud_assignment.get_multi(db, skip=skip, limit=limit)
@router.post("/", response_model=Assignment)
async def create_assignment(
db: Session = Depends(deps.get_db),
*,
obj_in: AssignmentCreate,
current_user: User = Depends(deps.get_current_active_user),
) -> Any:
if obj_in.instructor:
if current_user.id not in obj_in.instructor:
obj_in.instructor.append(current_user.id)
else:
obj_in.instructor = [current_user.id]
assignment = crud_assignment.create(db, obj_in=obj_in)
return assignment
@router.post("/{id}/files/")
async def post_files(
db: Session = Depends(deps.get_db),
files: List[UploadFile] = File(...),
current_user=Depends(deps.get_current_active_teacher_or_above),
*,
id: int,
):
assignment = crud_assignment.get(db=db, id=id)
hashedAssignmentId = sha1(str(id).encode(encoding="UTF-8", errors="strict"))
FILE_ASSIGNMENT_PATH = os.path.join(
ASSIGNMENT_ROUTE,
hashedAssignmentId.hexdigest(),
)
FILE_PATH = os.path.join(
settings.UPLOAD_DIR_ROOT,
FILE_ASSIGNMENT_PATH,
)
if not os.path.exists(FILE_PATH):
os.makedirs(FILE_PATH)
if assignment.files:
assignmentFiles = assignment.files.copy()
fileIndex = len(assignment.files)
else:
assignmentFiles = []
fileIndex = 0
for file in files:
fileName, fileExtension = os.path.splitext(file.filename)
hashedFileName = sha1(
(fileName + str(fileIndex)).encode(encoding="UTF-8", errors="strict")
)
fileIndex = fileIndex + 1
filename = f"{FILE_PATH}/{hashedFileName.hexdigest()}{fileExtension}"
async with aiofiles.open(filename, mode="wb") as f:
content = await file.read()
await f.write(content)
assignmentFiles.append(
{
"path": f"{FILE_ASSIGNMENT_PATH}/{hashedFileName.hexdigest()}{fileExtension}",
"name": file.filename,
}
)
obj_in = AssignmentUpdate(files=assignmentFiles)
updated = crud_assignment.update(db=db, db_obj=assignment, obj_in=obj_in)
return updated
@router.get("/{id}/", response_model=Assignment)
async def get_specific_assignment(
db: Session = Depends(deps.get_db),
current_user: User = Depends(deps.get_current_active_user),
*,
id: int,
) -> Any:
assignments = await get_assignment(db=db, current_user=current_user)
if assignments:
for assignment in assignments:
if assignment.id == id:
return assignment
@router.delete("/{id}/")
async def delete_assignment(
db: Session = Depends(deps.get_db),
current_user: User = Depends(deps.get_current_active_teacher_or_above),
*,
id: int,
) -> Any:
assignment = await get_specific_assignment(db=db, current_user=current_user, id=id)
if not assignment:
return {"msg": "assignment not found"}
deleted = crud_assignment.remove(db=db, id=assignment.id)
if deleted:
hashedAssignmentId = sha1(
str(assignment.id).encode(encoding="UTF-8", errors="strict")
)
FILE_ASSIGNMENT_PATH = os.path.join(
ASSIGNMENT_ROUTE,
hashedAssignmentId.hexdigest(),
)
FILE_PATH = os.path.join(
settings.UPLOAD_DIR_ROOT,
FILE_ASSIGNMENT_PATH,
)
if os.path.exists(FILE_PATH):
shutil.rmtree(FILE_PATH)
return {"msg": "delete success"}
@router.put("/{id}", response_model=Assignment)
async def update_assignment(
db: Session = Depends(deps.get_db), *, id: int, obj_in: AssignmentUpdate
) -> Any:
assignment = crud_assignment.get(db, id)
assignment = crud_assignment.update(db, db_obj=assignment, obj_in=obj_in)
return assignment
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