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我有一個模型:檢查模型實例是否在查詢集內被FKed?
class ProjectBookmark(models.Model):
user = models.ForeignKey(User)
project = models.ForeignKey('Project')
說一個用戶查看一個項目,是有辦法以某種方式檢查,如果當前項目是在用戶的書籤不是一個討厭的方式,我通過爲波紋管的請求上下文做到這一點現在其他?基本上,用戶的書籤的項目清單,並檢查作爲
{%如果current_project在current_user.bookmarks%} ...
從模板裏面吧?
the_user = request.user
bookmarked_projects = list()
for b in ProjectBookmark.objects.filter(user = request.user):
bookmarked_projects.append(b.project_id)
the_user.bookmarks = Project.objects.filter(id__in=bookmarked_projects)
return {'current_user':request.user}