obs-portal/models/Article.js

57 lines
1.5 KiB
JavaScript

var mongoose = require('mongoose');
var uniqueValidator = require('mongoose-unique-validator');
var slug = require('slug');
var User = mongoose.model('User');
var ArticleSchema = new mongoose.Schema({
slug: {type: String, lowercase: true, unique: true},
title: String,
description: String,
body: String,
favoritesCount: {type: Number, default: 0},
comments: [{ type: mongoose.Schema.Types.ObjectId, ref: 'Comment' }],
tagList: [{ type: String }],
author: { type: mongoose.Schema.Types.ObjectId, ref: 'User' }
}, {timestamps: true});
ArticleSchema.plugin(uniqueValidator, {message: 'is already taken'});
ArticleSchema.pre('validate', function(next){
if(!this.slug) {
this.slugify();
}
next();
});
ArticleSchema.methods.slugify = function() {
this.slug = slug(this.title) + '-' + (Math.random() * Math.pow(36, 6) | 0).toString(36);
};
ArticleSchema.methods.updateFavoriteCount = function() {
var article = this;
return User.count({favorites: {$in: [article._id]}}).then(function(count){
article.favoritesCount = count;
return article.save();
});
};
ArticleSchema.methods.toJSONFor = function(user){
return {
slug: this.slug,
title: this.title,
description: this.description,
body: this.body,
createdAt: this.createdAt,
updatedAt: this.updatedAt,
tagList: this.tagList,
favorited: user ? user.isFavorite(this._id) : false,
favoritesCount: this.favoritesCount,
author: this.author.toProfileJSONFor(user)
};
};
mongoose.model('Article', ArticleSchema);