Files
2022-04-27 22:01:08 -04:00

141 lines
4.1 KiB
JavaScript

const util = require('util');
const express = require('express');
const sqlite = require('sqlite3');
const request = require('sync-request');
const app = express();
const persona_db = new sqlite.Database('./counter_persona.db', (err) => {
if(err) {
console.log(err.message);
exit(1);
}
persona_db.exec(`
CREATE TABLE IF NOT EXISTS persona (
id unsigned int primary key not null,
first_name text not null,
last_name text not null,
interest_list text not null,
latitude real not null,
longitude real not null
);
`);
});
function on_err(err_str, err_code) {
console.log(err_str);
return {
"err": err_str,
"code": err_code,
};
};
function insert_update_persona(user_params) {
persona_db.get("SELECT * FROM persona WHERE id = ?", [user_params.persona_id], (err, row) => {
if(row == undefined) {
persona_db.run(`
insert into persona
(id, first_name, last_name, interest_list, latitude, longitude)
values (?, ?, ?, ?, ?, ?)
`, [
user_params.persona_id,
user_params.first_name,
user_params.last_name,
user_params.interest_list,
user_params.lat,
user_params.lon
], (err) => {
if(err) {
console.log(err.message);
}
});
} else {
persona_db.run(`
UPDATE persona SET
first_name = ?,
last_name = ?,
interest_list = ?,
latitude = ?,
longitude = ?
WHERE id = ?
`, [
user_params.first_name,
user_params.last_name,
user_params.interest_list,
user_params.lat,
user_params.lon,
user_params.persona_id
], (err) => {
if(err) {
console.log(err.message);
}
});
}
});
};
function get_weather(user_params) {
my_headers = {headers: {'user-agent': "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.60 Safari/537.36"}};
weather_url = util.format("https://api.weather.gov/points/%d,%d", user_params.latitude, user_params.longitude);
data = request('GET', weather_url, my_headers);
data = JSON.parse(data.getBody());
user_params.city = data.properties.relativeLocation.properties.city;
user_params.state = data.properties.relativeLocation.properties.state;
data = request('GET', data.properties.forecast, my_headers);
data = JSON.parse(data.getBody());
user_params.temperature = data.properties.periods[0].temperature;
return user_params;
};
app.get('/get_persona', function(req, res) {
// Gather params
user_params = {
persona_id: Number(req.query.persona_id),
};
persona_db.get("SELECT * FROM persona WHERE id = ?", [user_params.persona_id], (err, row) => {
if(err) {
console.error(err.message);
}
user_params = row;
user_params = get_weather(user_params);
console.log(user_params);
res.send(user_params);
});
});
app.get('/set_persona', function(req, res) {
// Gather params
user_params = {
persona_id: parseInt(req.query.persona_id),
first_name: req.query.first_name,
last_name: req.query.last_name,
interest_list: req.query.interest_list,
lat: Number(req.query.lat),
lon: Number(req.query.lon),
};
// Verify params
for(const key in user_params) {
if(user_params[key] == undefined) {
res.send(on_err(util.format('%s must be defined', key), 1));
return;
}
}
insert_update_persona(user_params);
res.send(user_params);
});
app.listen(3000, () => console.log('Server ready'));