Fixed breaking bug and server now responds with print status

client/main.js

@@ -19,4 +19,5 @@ async function print() {
 
     document.getElementById('coords').value = '';
     document.getElementById('name').value = '';
+    document.getElementById('response').innerHTML = 'Printing...'
 }

endpoints.js

@@ -21,7 +21,7 @@ app.get('/', function (req, res) {
 }); 
 
 app.get('/print', async function (req, res) {
-    let rate = await rateLimit();
+    let rate = await rateLimit(req, res);
     if (rate == -1) return;
 
     let inname = req.query.name;
@@ -31,17 +31,18 @@ app.get('/print', async function (req, res) {
     let set = Printer.getprintqueue();
     set.push({
         name: inname, 
-        coords: incoords
+        coords: incoords,
+        req: req,
+        res: res
     });
     Printer.setprintqueue(set);
     if (!Printer.printing()) Printer.print();
-    res.end('200 OK');
 });
 
 let requests = [];
-async function rateLimit() {
+async function rateLimit(req, res) {
     if (requests.indexOf(req.connection.remoteAddress) != -1) {
-        res.end('400 BAD REQUEST: TO MANY REQUESTS');
+        res.end('429 TO MANY REQUESTS');
         await Helper.sleep('3000');
     
         while (requests.indexOf(req.connection.remoteAddress) != -1) {

print.js

@@ -21,14 +21,18 @@ module.exports.printing = function() {
 module.exports.print = async function() {
     printing = true;
     while (printQueue.length > 0) {
-        await currentprint(printQueue[0].name, printQueue[0].coords);
+        await currentprint(printQueue[0].name, printQueue[0].coords, printQueue[0].req, printQueue[0].res);
         await Helper.sleep(200);
         printQueue.splice(0, 1);
     }
     printing = false;
 }
 
-async function currentprint(name, coords) {
+async function currentprint(name, coords, req, res) {
+    let currentWeather = await WeatherAPI.getWeather(1, coords);
+    let todaysForcast = await WeatherAPI.getWeather(2, coords);
+    if (currentWeather == -1 || todaysForcast == -1) res.end('400 BAD REQUEST: INVALID COORDINATES');
+
     let text = Result.genCompilerSettings({
         padding: 2,
         lineBreaks: 1,
@@ -44,22 +48,23 @@ async function currentprint(name, coords) {
                 size: `small`
             },
             {
-                content: `${await WeatherAPI.getWeather(1, coords)}`,
+                content: `${currentWeather}`,
                 align: `left`,
                 size: `small`
             },
             {
-                content: `The forcast for today is ${await WeatherAPI.getWeather(2, coords)}`,
+                content: `The forcast for today is ${todaysForcast}`,
                 align: `left`,
                 size: `small`
             }
         ]
     });
-    try {
-        await PythonShell.run('printer/write.py', text, function (err, results) {
+    await PythonShell.run('printer/write.py', text, async function (err, results) {
         if (err) {
             console.log('Could not open serial connection for ' + name + '\'s print');
+            res.end('500 INTERNAL SERVER ERROR: PRINTER NOT RESPONDING');
+        } else {
+            res.end('200 OK');
         }
     });
-    } catch (err) {}
 }

weatherAPI.js

@@ -11,9 +11,13 @@ module.exports.getWeather = async function(mode, coords) {
         res = await req.send();
     } catch (e) {  }
 
+    try {
         if (mode == 1) {
             return res.body.currently.summary;
         } else if (mode == 2) {
             return res.body.hourly.summary;
         }
+    } catch (e) {
+        return -1;
+    }
 }