hedgedoc/lib/user.js

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