84 lines
1.9 KiB
JavaScript
84 lines
1.9 KiB
JavaScript
//user
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//external modules
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var mongoose = require('mongoose');
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//core
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var config = require("../config.js");
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var logger = require("./logger.js");
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// create a user model
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var model = mongoose.model('user', {
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id: String,
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profile: String,
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history: String,
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created: Date
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});
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//public
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var user = {
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model: model,
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findUser: findUser,
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newUser: newUser,
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findOrNewUser: findOrNewUser,
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getUserCount: getUserCount
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};
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function getUserCount(callback) {
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model.count(function(err, count){
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if(err) callback(err, null);
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else callback(null, count);
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});
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}
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function findUser(id, callback) {
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model.findOne({
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id: id
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}, function (err, user) {
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if (err) {
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logger.error('find user failed: ' + err);
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callback(err, null);
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}
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if (!err && user) {
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callback(null, user);
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} else {
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logger.error('find user failed: ' + err);
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callback(err, null);
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};
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});
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}
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function newUser(id, profile, callback) {
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var user = new model({
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id: id,
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profile: JSON.stringify(profile),
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created: Date.now()
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});
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user.save(function (err) {
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if (err) {
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logger.error('new user failed: ' + err);
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callback(err, null);
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} else {
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logger.info("new user success: " + user.id);
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callback(null, user);
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};
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});
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}
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function findOrNewUser(id, profile, callback) {
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findUser(id, function(err, user) {
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if(err || !user) {
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newUser(id, profile, function(err, user) {
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if(err) {
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logger.error('find or new user failed: ' + err);
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callback(err, null);
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} else {
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callback(null, user);
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}
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});
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} else {
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callback(null, user);
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}
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});
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}
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module.exports = user; |