owmweather - Display error on unexpected data

apps/owmweather/boot.js

@@ -11,7 +11,7 @@
       "location": "London"
     };
 
-    Bangle.pullOwmWeather = function(force) {
+    Bangle.pullOwmWeather = function(force, completionCallback) {
       if (!force && responsePromise){
         print("Waiting for response");
         return;
@@ -22,11 +22,13 @@
       if (Bangle.http){
         responsePromise = Bangle.http(uri, {id:"debug"}).then(event => {
           print("Got event ", event);
-          parseWeather(event.resp);
+          let result = parseWeather(event.resp);
           responsePromise = false;
+          if (completionCallback) completionCallback(result);
         }).catch((e)=>{
           print("Rejected call", e);
           responsePromise = false;
+          if (completionCallback) completionCallback(e);
         });
       } else {
         print("No http method found");
@@ -64,6 +66,9 @@
         print("Parsed data", json);
         require("Storage").writeJSON('weather.json', json);
         require("weather").emit("update", json.weather);
+        return undefined;
+      } else {
+        return "Not OWM data";
       }
     };
     

apps/owmweather/settings.js

@@ -37,7 +37,20 @@
           writeSettings("refresh",Math.round(v * 60));
         }
       },
-      "Force refresh": Bangle.pullOwmWeather
+      "Force refresh": ()=>{
+        E.showMessage("Reloading weather");
+        Bangle.pullOwmWeather(true, (e)=>{
+          if (e) {
+            E.showAlert(e,"Error").then(()=>{
+              E.showMenu(buildMainMenu());
+            });
+          } else {
+            E.showAlert("Success").then(()=>{
+              E.showMenu(buildMainMenu());
+            });
+          }
+        });
+      }
     };
 
     mainmenu["API key"] = function (){