Hy everyone, I'm having some troubles with my rest api. I have in my ui a
button where I click to update the state of a bus ( visible / not visible).
By clicking on the button I can update the state of the item on the map.
So my problem is when I update the info in my DB in my controller i get the
result of this as undefined but the resolve of the db returns
{"command":"UPDATE","rowCount":1,"oid":null,"rows":[],"fields":[],"_parsers":[],"RowCtor":null,"rowAsArray":false}
I dont get it...
ServicesController.js
ServicesController.prototype.updateMap = function (req, res, next) {
var data = req.body;
if (isEmptyObject(data)) {
res.status(400).send({error: errorMessage.emptyBody});
return;
}
if (data.sn === undefined || data.sn === "") {
res.status(400).send({error: "Invalid serial number"});
return;
}
Database.Services.getDeviceBySn(data.sn).then(function (device) {
var map_data={
"isRoot": data.root,
"visible": data.visible
}
Database.Services.addMapInfo(map_data, device.id).then(function (map) {
console.log("updateMap depois do addMapInfo --- map >>> ", map);
if (map) {
res.status(200).send(map);
} else {
res.status(404).end();
}
}).catch(function (e) {
res.status(500).send(e);
});
}).catch(function (e) {
res.status(500).send(e);
});}
ServicesDatabase.js
ServicesDatabase.prototype.addMapInfo = function (data, deviceId) {
return new Promise(function (resolve, reject) {
pg.connect(dbStatsConnectionString, function (err, client, done) {
if (err) {
reject(err);
return
}
client.query("UPDATE device_services SET
data=jsonb_set(data::jsonb,'{map}',$1::jsonb,true), modified_date=NOW() WHERE
device_id=$2", [data, deviceId], function (err, result) {
done();
if (err) {
reject(err);
} else {
resolve(result.rows[0]);
}
});
});
});}
My parameters are data {"isRoot":"false","visible":"online"} and deviceId
"1f110136-9490-4ea5-a46d-3fdfa65ea0ab"
My controller always return 404 because of this
if (map) {
res.status(200).send(map);} else {
res.status(404).end();}
Anyone can help me? I dont get it...
Link to
stackoverflow:
https://stackoverflow.com/questions/44264889/update-from-bd-with-success-but-returns-undefined-on-controller-node-js
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