Grey Market Labs assessment

2022-04-27 22:01:08 -04:00
parent 01926a3cca
commit 4ab043c3a9
8 changed files with 256 additions and 2 deletions
--- a/app.js
+++ b/app.js
@@ -0,0 +1,140 @@
+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'));
+