48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
var mongoose = require('mongoose');
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var uniqueValidator = require('mongoose-unique-validator');
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var slug = require('slug');
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var QcmCategorySchema = new mongoose.Schema({
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num: Number,
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name: { type: String, unique: true },
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slug: { type: String, lowercase: true, unique: true },
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questions: [
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{ type: mongoose.Schema.Types.ObjectId, ref: 'QcmQuestion' }
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]
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}, {timestamps: true, toJSON: {virtuals: true}});
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QcmCategorySchema.plugin(uniqueValidator, { message: 'is already taken' });
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QcmCategorySchema.pre('validate', function (next) {
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if (!this.slug) {
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this.slugify();
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}
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next();
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});
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QcmCategorySchema.methods.slugify = function () {
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this.slug = slug(`${this.name}-${this.num}-`) + (Math.random() * Math.pow(36, 6) | 0).toString(36);
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};
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QcmCategorySchema.methods.addQuestion = function (id) {
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if (this.questions.indexOf(id) === -1) {
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this.questions.push(id);
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}
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return this.save();
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};
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QcmCategorySchema.methods.removeQuestion = function (id) {
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this.questions.remove(id);
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return this.save();
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};
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QcmCategorySchema.methods.toJSONFor = function() {
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return {
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num: this.num,
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name: this.name,
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slug: this.slug,
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questions: this.questions.map(question => question.toJSONFor())
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};
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};
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mongoose.model('QcmCategory', QcmCategorySchema); |