def edit_article(request):
body = convert_request_body_to_json(request)
if is_invalid_create_article_request_body(body):
return generate_invalid_req_body_error_message_response()
name, stock_quantity, price, category_name = map_create_article(body)
article = Article.objects.filter(name=name)
if not article.exists():
return generate_bad_req_body_error_message_response(
EntityType.ARTICLE.value)
if price != 0:
article.update(price=price)
if stock_quantity != 0:
article.update(stock_quantity=stock_quantity)
article = Article.objects.get(name=name, isDeleted=0)
category_list = get_category_list_or_none(category_name)
if category_list:
for category in category_list:
article.category.add(category)
data = {"message": "Article updated successfully"}
return Response(data=data)
def create_article(request):
body = convert_request_body_to_json(request)
if is_invalid_create_article_request_body(body):
return generate_invalid_req_body_error_message_response()
name, stock_quantity, price, category_name = map_create_article(body)
if object_exists_with_this_article(name):
return generate_bad_req_body_error_message_response(
EntityType.ARTICLE.value)
article = Article.objects.create(name=name,
stock_quantity=stock_quantity,
price=price)
article.save()
category_list = get_category_list_or_none(category_name)
# TODO: Optimize the following operation to minimize the db call
if category_list:
for category in category_list:
article.category.add(category)
return generate_success_message(EntityType.ARTICLE.value)
def delete_category(request):
body = convert_request_body_to_json(request)
category_name, _ = map_create_category(body)
category = Category.objects.filter(name=category_name, isDeleted=0)
if category.exists():
category.update(isDeleted=1)
return generate_success_deletion_message(EntityType.CATEGORY.value)
return generate_invalid_req_body_error_message_response()
def delete_article(request):
body = convert_request_body_to_json(request)
name, stock_quantity, price, category_name = map_create_article(body)
article = Article.objects.filter(name=name, isDeleted=0)
if article.exists():
article.update(isDeleted=1)
return generate_success_deletion_message(EntityType.ARTICLE.value)
return generate_invalid_req_body_error_message_response()
def edit_category(request):
body = convert_request_body_to_json(request)
if is_invalid_edit_category_request_body(body):
return generate_invalid_req_body_error_message_response()
category_name, parent = map_create_category(body)
try:
category = Category.objects.get(name=category_name)
parent_category, _ = Category.objects.get_or_create(name=parent)
category.parent = parent_category
category.save()
return generate_success_edit_message(EntityType.CATEGORY.value)
except Category.DoesNotExist:
return generate_invalid_req_body_error_message_response()
def create_category(request):
body = convert_request_body_to_json(request)
if is_invalid_create_category_request_body(body):
return generate_invalid_req_body_error_message_response()
category_name, parent = map_create_category(body)
if object_exists_with_this_category(category_name):
return generate_bad_req_body_error_message_response(
EntityType.CATEGORY.value)
if parent:
parent_of_the_category = Category.objects.get(name=parent)
category = Category.objects.create(name=category_name,
parent=parent_of_the_category)
category.save()
else:
category = Category.objects.create(name=category_name)
category.save()
return generate_success_message(EntityType.CATEGORY.value)
def get_all_articles(request):
body = convert_request_body_to_json(request)
category_name, _ = map_create_category(body)
page = request.GET.get('page', DEFAULT_PAGE_NUMBER)
try:
category = Category.objects.get(name=category_name, isDeleted=0)
articles = Article.objects.filter(category=category,
isDeleted=0).order_by('-price')
paginator = Paginator(articles, PAGE_SIZE)
try:
articles_pages = paginator.page(page)
except PageNotAnInteger:
articles_pages = paginator.page(DEFAULT_PAGE_NUMBER)
except EmptyPage:
articles_pages = paginator.page(paginator.num_pages)
return Response(data=get_paginated_articles(articles_pages))
except Category.DoesNotExist:
return generate_invalid_req_body_error_message_response()