[英]Mongoose relation one-to-many not work
我的貓鼬模式關系一對多存在問題:我有兩個文檔company和agent,當我嘗試保存公司文檔時無法保存。 注意:父文檔是公司,子文檔是代理商:
公司架構 :
'use strict';
/**
* Module dependencies.
*/
var mongoose = require('mongoose'),
Schema = mongoose.Schema;
/**
* Company Schema
*/
var CompanySchema = new Schema({
name: {
type: String,
default: '',
//required: 'Please fill Company name',
trim: true
},
created: {
type: Date,
default: Date.now
},
updated: {
type: Date,
default: Date.now
},
address: {
type: String,
default: '',
//required: 'Please fill Company address',
trim: true
},
locked: {
type: Boolean,
default: true,
},
deleted: {
type: Boolean,
default: false,
},
logo: {
type: String,
default: '',
},
email: {
type: String,
default: '',
//required: 'Please fill Company email',
},
tel: {
type: String,
default: '',
//required: 'Please fill Company tel',
},
fax: {
type: String,
default: '',
//required: 'Please fill Company fax',
},
type: {
type: String,
//required: 'Please fill Company type',
trim: true
},
description: {
type: String,
default: '',
trim: true
},
user: {
type: Schema.ObjectId,
ref: 'User'
},
agents: [{
type: Schema.ObjectId,
ref: 'Agent'
}]
});
mongoose.model('Company', CompanySchema);
代理架構
'use strict';
/**
* Module dependencies.
*/
var mongoose = require('mongoose'),
Schema = mongoose.Schema;
/**
* Agent Schema
*/
var AgentSchema = new Schema({
// Agent model fields
// ...
firstname: {
type: String,
default: ''
},
lastname: {
type: String,
default: ''
},
email: {
type: String,
default: ''
},
password: {
type: String,
default: ''
},
roles: {
type: Array,
},
created: {
type: Date,
default: Date.now
},
updated: {
type: Date,
default: Date.now
},
deleted: {
type: Boolean,
default: false
},
locked: {
type: Boolean,
default: false
},
company: {
type: Schema.ObjectId,
ref: 'Company'
}
});
var exports = module.exports = mongoose.model('Agent', AgentSchema);
API
company.save(function(err){
if(err){
console.log('company err');
return res.status(400).send({
messages: errorHandler.getErrorMessage(err)
});
}else{
console.log('company save');
var agents = preapareAgents(req, company);
Agent.create(agents, function(err){
if(err){
return res.status(400).send({
messages: errorHandler.getErrorMessage(err)
});
}else{
res.jsonp({
company: company,
agents: agents
});
}
});
}
});
prepareAgent
var preapareAgents = function(req,company){
var admin = new Agent(req.body.admin);
admin.roles = ['admin', 'read','write'];
admin.company = company;
admin.locked = false;
var agents = req.body.agents;
for (var i = 0; i <= agents.length - 1; i++) {
agents[i].roles = [agents[i].role];
agents[i] = new Agent(agents[i]);
agents[i].company = company;
}
agents.push(admin);
return agents;
};
****錯誤:
CastError:在路徑“代理”中,對值“ [object Object]”的轉換為ObjectId失敗
在prepareAgents方法中,每個代理的公司必須是公司的_id,而不是對象公司。 您的代碼應如下所示:
for (var i = 0; i <= agents.length - 1; i++) {
agents[i].roles = [agents[i].role];
agents[i] = new Agent(agents[i]);
agents[i].company = company._id; //here is the problem
}
試試吧,也許我錯了。
這不是問題的根源,但是當我從有效的公司模型中刪除代理集合時,此行會導致問題:
agents: [{
type: Schema.ObjectId,
ref: 'Agent'
}]
我通過使用其他名稱重命名代理集合來解決問題:)
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