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[英]While using an exported mongoose.model() cannot read properties of undefined (create)
[英]Mongoose model become undefined when exported
我從此文件導出 model DemandeTransports:
//@/components/database/model/Schema.js
import { Schema } from "mongoose";
import mongoose from "mongoose";
const userSchema = new Schema({
email: { type: String, index: true, unique: true, required: true },
password: { type: String, required: true },
role: { type: String, required: true },
infos: Map,
});
const Users = mongoose.models?.user || new mongoose.model("user", userSchema);
const demandeTransportSchema = new Schema({
date: { type: Date, required: true },
user: { type: Object, required: true },
values: { type: Object, required: true },
});
const DemandeTransports =
mongoose.models?.demandeTransport ||
new mongoose.model("demandeTransport", demandeTransportSchema);
console.log(DemandeTransports.findOne);
export { Users, DemandeTransports };
哪個日志(在服務器上):[功能:findOne]
但是當我嘗試在此文件中導入 model 時:
//@/lib/getAllDemandesFromUser.js
import connectMongo from "@/components/database/conn";
import { DemandeTransports } from "@/components/database/model/Schema";
export default function getAllDemandesFromUser(email) {
console.log("JSON.stringify(DemandeTransports)");
console.log(JSON.stringify(DemandeTransports));
connectMongo().catch((error) =>
res.status(500).json({
error: "La connection à la bdd mongo a échoué avec l'erreur : " + error,
})
);
const result = DemandeTransports.findOne({ "user.email": email });
return result;
}
我收到 TypeError: components_database_model_Schema__WEBPACK_IMPORTED_MODULE_1 _.DemandeTransports.findOne is not a function
DemandeTransports 被記錄為未定義,我不明白為什么。
我剛剛明白:我的基本錯誤是我在客戶端嘗試連接到 mongodb,這是不可能的。 我將所有呼叫轉移到 getServerSideProps function 中的數據庫:
export async function getServerSideProps(context) {
const session = await unstable_getServerSession(
context.req,
context.res,
authOptions
);
// Fetch data from external API
connectMongo().catch((error) =>
console.log("Erreur lors de la connection à la bdd : " + error)
);
const result = await DemandeTransports.findOne({
"user.email": session.user.email,
});
const result2 = result.toObject();
console.log(result.toObject());
// Pass data to the page via props
return { props: { result2 } };
}
現在它工作得很好。
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