def buy(ctx, uid, quantity):
"""Buy an article"""
if quantity > 0:
article_service = ArticleService(ctx.obj['table_name'])
article = article_service.get_article(uid)
article.increment_sales(quantity)
status = article_service.update_article(article)
if status:
click.echo('Article bought')
else:
click.echo('Error: something went wrong')
elif quantity < 0:
click.echo('Invalid quantity')
def update(ctx, uid):
"""Update an article"""
article_service = ArticleService(ctx.obj['table_name'])
article = article_service.get_article(uid)
if article:
article = _update_article_flow(article)
status = article_service.update_article(article)
if status:
click.echo('Successful article update')
else:
click.echo('Error: something went wrong')
else:
click.echo(f'Error: the article with uid {uid} doesnt exists')