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mongo-interface.js
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mongo-interface.js
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var mongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017";
var dbo;
module.exports = {
async init( dbName )
{
var self = this;
if(dbName == null)
{
dbName = "ethwalletbot"
}
var database = await new Promise(function(resolve, reject) {
mongoClient.connect(url, function(err, db) {
if (err) throw err;
dbo = db.db( dbName );
//test
//self.insertOne('stats',{'hashrate':1000})
resolve(dbo)
});
});
},
async insertOne(collectionName,obj)
{
// var myobj = { name: "Company Inc", address: "Highway 37" };
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).insertOne(obj, function(err, res) {
if (err) reject(err);
// console.log("1 inserted ",collectionName);
resolve(res);
});
});
},
async updateOne(collectionName,query,newvalues)
{
// var query = { address: "Park Lane 38" };
// var filter = { _id: 0, name: 1, address: 1 };
var setvalues = { $set: newvalues }
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).updateOne(query,setvalues,function(err, res) {
if (err) reject(err);
resolve(res);
});
});
},
async upsertOne(collectionName,query,newvalues)
{
// var query = { address: "Park Lane 38" };
// var filter = { _id: 0, name: 1, address: 1 };
var setvalues = { $set: newvalues }
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).updateOne(query,setvalues,{upsert: true},function(err, res) {
if (err) reject(err);
resolve(res);
});
});
},
async deleteOne(collectionName,obj)
{
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).deleteOne(obj, function(err, res) {
if (err) reject(err);
// console.log("1 inserted ",collectionName);
resolve(res);
});
});
},
async deleteMany(collectionName,query)
{
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).deleteMany(query, function(err, res) {
if (err) reject(err);
// console.log("1 inserted ",collectionName);
resolve(res);
});
});
},
async dropCollection(collectionName)
{
return new Promise(function(resolve, reject) {
dbo.dropCollection(collectionName, function(err, res) {
if (err) reject(err);
// console.log("1 inserted ",collectionName);
resolve(res);
});
});
},
async findOne(collectionName,query)
{
// var query = { address: "Park Lane 38" };
// var filter = { _id: 0, name: 1, address: 1 };
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).findOne(query,function(err, res) {
if (err) reject(err);
resolve(res);
});
});
},
async findAll(collectionName,query,outputFields)
{
// var query = { address: "Park Lane 38" };
// var filter = { _id: 0, name: 1, address: 1 };
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).find(query, outputFields).toArray(function(err, res) {
if (err) reject(err);
resolve(res);
});
});
},
async findAllSorted(collectionName,query,sortBy)
{
// var query = { address: "Park Lane 38" };
// var filter = { _id: 0, name: 1, address: 1 };
return new Promise(function(resolve, reject) {
dbo.collection(collectionName).find(query).sort(sortBy).toArray(function(err, res) {
if (err) reject(err);
resolve(res);
});
});
},
getMongoClient()
{
return mongoClient;
},
}