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داخل مجلد models، أنشئ ملفًا يسمى User.js:

const mongoose = require('mongoose');
const bcrypt = require('bcryptjs');

const UserSchema = new mongoose.Schema({
    username: {
        type: String,
        required: true,
        unique: true
    },
    email: {
        type: String,
        required: true,
        unique: true
    },
    password: {
        type: String,
        required: true
    }
});

// Hash the password before saving
UserSchema.pre('save', async function (next) {
    if (!this.isModified('password')) return next();
    const salt = await bcrypt.genSalt(10);
    this.password = await bcrypt.hash(this.password, salt);
    next();
});

module.exports = mongoose.model('User', UserSchema);