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//temp
//external modules
var mongoose = require('mongoose');
//core
var config = require("../config.js");
var logger = require("./logger.js");
// create a temp model
var model = mongoose.model('temp', {
id: String,
data: String,
created: Date
});
//public
var temp = {
model: model,
findTemp: findTemp,
newTemp: newTemp,
removeTemp: removeTemp,
getTempCount: getTempCount
};
function getTempCount(callback) {
model.count(function(err, count){
if(err) callback(err, null);
else callback(null, count);
});
}
function findTemp(id, callback) {
model.findOne({
id: id
}, function (err, temp) {
if (err) {
logger.error('find temp failed: ' + err);
callback(err, null);
}
if (!err && temp) {
callback(null, temp);
} else {
logger.error('find temp failed: ' + err);
callback(err, null);
};
});
}
function newTemp(id, data, callback) {
var temp = new model({
id: id,
data: data,
created: Date.now()
});
temp.save(function (err) {
if (err) {
logger.error('new temp failed: ' + err);
callback(err, null);
} else {
logger.info("new temp success: " + temp.id);
callback(null, temp);
};
});
}
function removeTemp(id, callback) {
findTemp(id, function(err, temp) {
if(!err && temp) {
temp.remove(function(err) {
if(err) {
logger.error('remove temp failed: ' + err);
callback(err, null);
} else {
callback(null, null);
}
});
} else {
logger.error('remove temp failed: ' + err);
callback(err, null);
}
});
}
module.exports = temp;
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