我是MongoDB和MongoEngine的新手,目前我的文档类型如下:
[
{
"Question1": "How do you rate the whole restaurant",
"Rating": [
"Poor",
"Average",
"Good"
],
"next": [
{
"Question2": "How do you rate food plates cleanness",
"Rating": [
"Poor",
"Average",
"Good"
]
},
{
"Question3": "How do you rate floor cleanness",
"Rating": [
"Poor",
"Average",
"Good"
]
}
]
},
{
"Question4": "How do you rate food taste",
"Rating": [
"Poor",
"Average",
"Good"
]
}
]
我正在考虑在 mongoengine 中以以下方式创建模型:
class Ratings(db.EmbeddedDocument):
Rating = db.ListField()
class Questions(db.EmbeddedDocument):
Question = db.StringField()
rating_type = db.EmbeddedDocumentField(Ratings)
class FeedbackFormTemplate(db.Document):
pass
上述课程(问题和评分(将用于创建问题和评分。
我想使用类:反馈表单模板来创建文档。但是我对构建模型没有任何想法。
非常感谢对此的任何帮助。
如果您没有绑定到上面提到的架构形状,我建议您执行以下操作:
class QuestionDefinition(EmbeddedDocument):
question = StringField()
ratings = ListField(StringField(), default=["Poor", "Average", "Good"])
next_questions = EmbeddedDocumentListField("self")
class FeedbackFormTemplate(Document):
questions = EmbeddedDocumentListField(QuestionDefinition)
q1 = QuestionDefinition(question='Food good?')
q2 = QuestionDefinition(question='Plates cleanness?')
q1.next_questions = [q2]
q3 = QuestionDefinition(question='food taste?', ratings=['bad', 'terrible'])
FeedbackFormTemplate(questions=[q1, q3]).save()
print(FeedbackFormTemplate.objects.as_pymongo().first()) # print raw object as stored in mongo
这将在 mongo 中存储以下内容:
{
'_id':ObjectId('5cfd5c49caf5e58c7b22f4a8'),
'questions':[
{
'question': 'Food good?',
'ratings': ['Poor', 'Average', 'Good'],
'next_questions':[
{
'question': 'Plates cleanness?',
'ratings': ['Poor', 'Average', 'Good'],
'next_questions':[]
}
]
},
{
'question': 'food taste?',
'ratings': ['bad', 'terrible'],
'next_questions': []
}
]
}