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util.js
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util.js
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const request = require('request');
const Datastore = require('nedb');
const db = new Datastore();
module.exports.get = function (url, opt = {}) {
return new Promise((r, j) => {
request.get(url, opt, (err, res, body) => {
if (err) {
j(err);
return;
}
r(body);
});
});
};
module.exports.post = function (url, opt = {}) {
return new Promise((r, j) => {
request.post(url, opt, (err, res, body) => {
if (err) {
j(err);
return;
}
r(body);
});
});
};
module.exports.saveRecord = function (obj) {
let {uniqueid, subscription} = obj;
return new Promise((r, j) => {
db.findOne({'subscription.endpoint': subscription.endpoint}, (err, res) => {
if (err) {
j(err);
return;
}
if (res) {
console.log('已存在');
res.uniqueid = uniqueid;
db.update({subscription}, res, {}, err => {
if (err) {
j(err);
return;
}
r(obj);
});
return;
}
db.insert(obj, (err, item) => {
if (err) {
j(err);
return;
}
console.log('存储完毕');
r(obj);
});
});
});
};
module.exports.findAll = function () {
return new Promise((r, j) => {
db.find({}, (err, list) => {
if (err) {
j(err);
return;
}
r(list);
});
});
};
module.exports.find = function (query) {
return new Promise((r, j) => {
db.find(query, (err, list) => {
if (err) {
j(err);
return;
}
r(list);
});
});
};
module.exports.remove = function (obj) {
return new Promise((r, j) => {
db.remove(obj, {multi: true}, (err, num) => {
if (err) {
j(err);
return;
}
r(num);
});
});
};