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我正在努力使用貓鼬填充嵌套數組。需要幫助填充貓鼬中的嵌套數組
我有一個配方模型看起來是這樣的:
let recipeSchema = Schema({
name: {
type: String,
required: true
},
description: {
type: String,
},
steps: {
type: String,
required: true,
},
ingredients: [],
reviewsArray: [{ type: Schema.Types.ObjectId, ref: 'Review' }],
category: {
type: String,
required: true,
},
postedBy: [{type: Schema.Types.ObjectId, ref: 'User'}],
numberOfRatings: {
type: Number,
default: 0
},
totalAddedRatings: {
type: Number,
default: 0
},
reviewAverage: {
type: Number,
default: undefined
},
});
而且我也有一個用戶模式:
let User = Schema({
name: {
type: String
},
// The passport plugin already inputs username and password into our Schema
username: {
type: String,
unique: true,
required: true
},
password: {
type: String,
required: true,
minlength: 6
},
userId: {
type: String,
default: "Empty"
},
tokens: [{
access: {
type: String,
required: true
},
token: {
type: String,
required: true
}
}],
profilePic: {
type: String
},
email: {
type: String,
unique: true,
required: true,
validate: {
validator: (value) => {
return validator.isEmail(value);
},
message: `{value} is not a valid email address.`
}
},
admin: {
type: Boolean,
defualt: false
},
usersRecipes: [{ type: Schema.Types.ObjectId, ref: 'Recipe' }],
usersReviews: [{ type: Schema.Types.ObjectId, ref: 'Review' }],
usersFavouriteRecipes: {
type: Array
},
usersLikedRecipes: {
type: Array
},
chefKarma: {
type: Number,
defualt: 0
}
});
每當用戶進行一個新的配方,我想那配方也存儲在usersRecipe數組中。代碼,我嘗試做的是這樣的:
router.post('/addrecipe', (req, res, next) => {
Recipe.create({
name: req.body.name,
description: req.body.description,
steps: req.body.steps,
ingredients: req.body.ingredients,
category: req.body.category,
postedBy: req.body.postedBy
});
User.find({_id: req.body.postedBy})
.populate({
path: 'usersRecipes',
model: 'Recipe'
})
.exec(function(err, docs) {});
});
我的代碼不工作,因爲我打算雖然。任何人都可以向我解釋我做錯了什麼?
我想你是混淆人口與更新。如果要在用戶文檔中插入配方參考,則需要更新用戶文檔。 「填充」只能找到並填充真實文檔的引用,而不是插入它們。 –
如果我使用更新,我應該擺脫usersRecipes:[{類型:Schema.Types.ObjectId,ref:'食譜'}],? – MountainSlayer