MOBILE-2376 core: Decrease exceptions in console on start

src/addon/messages/providers/mainmenu-handler.ts

@@ -129,7 +129,7 @@ export class AddonMessagesMainMenuHandler implements CoreMainMenuHandler, CoreCr
      */
     execute(siteId?: string): Promise<any> {
         if (this.sitesProvider.isCurrentSite(siteId)) {
-            this.eventsProvider.trigger(AddonMessagesProvider.READ_CRON_EVENT, undefined, siteId);
+            this.eventsProvider.trigger(AddonMessagesProvider.READ_CRON_EVENT, {}, siteId);
         }
 
         if (this.appProvider.isDesktop() && this.localNotificationsProvider.isAvailable()) {

src/addon/messages/providers/sync.ts

@@ -58,11 +58,12 @@ export class AddonMessagesSyncProvider extends CoreSyncBaseProvider {
 
     /**
      * Get all messages pending to be sent in the site.
-     * @param  {boolean} [onlyDeviceOffline=false] True to only sync discussions that failed because device was offline,
+     *
      * @param {string} [siteId] Site ID to sync. If not defined, sync all sites.
+     * @param {boolean} [onlyDeviceOffline=false] True to only sync discussions that failed because device was offline.
      * @param {Promise<any>} Promise resolved if sync is successful, rejected if sync fails.
      */
-    protected syncAllDiscussionsFunc(onlyDeviceOffline: boolean = false, siteId?: string): Promise<any> {
+    protected syncAllDiscussionsFunc(siteId?: string, onlyDeviceOffline: boolean = false): Promise<any> {
         const promise = onlyDeviceOffline ?
             this.messagesOffline.getAllDeviceOfflineMessages(siteId) :
             this.messagesOffline.getAllMessages(siteId);

src/addon/pushnotifications/providers/pushnotifications.ts

@@ -264,6 +264,11 @@ export class AddonPushNotificationsProvider {
                     return previous + parseInt(counter, 10);
                 }, 0);
 
+                if (!this.appProvider.isDesktop() && !this.appProvider.isMobile()) {
+                    // Browser doesn't have an app badge, stop.
+                    return total;
+                }
+
                 // Set the app badge.
                 return this.badge.set(total).then(() => {
                     return total;

src/addon/remotethemes/providers/remotethemes.ts

@@ -133,24 +133,26 @@ export class AddonRemoteThemesProvider {
      * Get remote styles of a certain site.
      *
      * @param {string} [siteId] Site ID. If not defined, current site.
-     * @return {Promise<{fileUrl: string, styles: string}>} Promise resolved with the styles and the URL of the CSS file.
+     * @return {Promise<{fileUrl: string, styles: string}>} Promise resolved with the styles and the URL of the CSS file,
+     *                                                      resolved with undefined if no styles to load.
      */
     get(siteId?: string): Promise<{fileUrl: string, styles: string}> {
         siteId = siteId || this.sitesProvider.getCurrentSiteId();
 
-        let fileUrl;
-
         return this.sitesProvider.getSite(siteId).then((site) => {
             const infos = site.getInfo();
+            let promise,
+                fileUrl;
+
             if (infos && infos.mobilecssurl) {
                 fileUrl = infos.mobilecssurl;
 
                 if (this.fileProvider.isAvailable()) {
                     // The file system is available. Download the file and remove old CSS files if needed.
-                    return this.downloadFileAndRemoveOld(siteId, fileUrl);
+                    promise = this.downloadFileAndRemoveOld(siteId, fileUrl);
                 } else {
                     // Return the online URL.
-                    return fileUrl;
+                    promise = Promise.resolve(fileUrl);
                 }
             } else {
                 if (infos && infos.mobilecssurl === '') {
@@ -158,9 +160,10 @@ export class AddonRemoteThemesProvider {
                     this.filepoolProvider.removeFilesByComponent(siteId, AddonRemoteThemesProvider.COMPONENT, 1);
                 }
 
-                return Promise.reject(null);
+                return;
             }
-        }).then((url) => {
+
+            return promise.then((url) => {
                 this.logger.debug('Loading styles from: ', url);
 
                 // Get the CSS content using HTTP because we will treat the styles before saving them in the file.
@@ -173,6 +176,7 @@ export class AddonRemoteThemesProvider {
                     return Promise.reject(null);
                 }
             });
+        });
     }
 
     /**
@@ -208,6 +212,11 @@ export class AddonRemoteThemesProvider {
             this.disableElement(this.stylesEls[siteId].element, disabled);
 
             return this.get(siteId).then((data) => {
+                if (typeof data == 'undefined') {
+                    // Nothing to load.
+                    return;
+                }
+
                 const hash = <string> Md5.hashAsciiStr(data.styles);
 
                 // Update the styles only if they have changed.
@@ -271,6 +280,8 @@ export class AddonRemoteThemesProvider {
     preloadCurrentSite(): Promise<any> {
         return this.sitesProvider.getStoredCurrentSiteId().then((siteId) => {
             return this.addSite(siteId);
+        }, () => {
+            // No current site stored.
         });
     }
 

src/providers/cron.ts

@@ -184,9 +184,9 @@ export class CoreCronDelegate {
                     return this.setHandlerLastExecutionTime(name, Date.now()).then(() => {
                         this.scheduleNextExecution(name);
                     });
-                }, () => {
+                }, (error) => {
                     // Handler call failed. Retry soon.
-                    this.logger.debug(`Execution of handler '${name}' failed.`);
+                    this.logger.error(`Execution of handler '${name}' failed.`, error);
                     this.scheduleNextExecution(name, CoreCronDelegate.MIN_INTERVAL);
 
                     return Promise.reject(null);
@@ -440,7 +440,9 @@ export class CoreCronDelegate {
 
             this.handlers[name].timeout = setTimeout(() => {
                 delete this.handlers[name].timeout;
-                this.checkAndExecuteHandler(name);
+                this.checkAndExecuteHandler(name).catch(() => {
+                    // Ignore errors.
+                });
             }, nextExecution);
         });
     }

src/providers/file.ts

@@ -918,7 +918,9 @@ export class CoreFileProvider {
      * @return {Promise<any>} Promise resolved when done.
      */
     clearTmpFolder(): Promise<any> {
-        return this.removeDir(CoreFileProvider.TMPFOLDER);
+        return this.removeDir(CoreFileProvider.TMPFOLDER).catch(() => {
+            // Ignore errors because the folder might not exist.
+        });
     }
 
     /**

src/providers/sites.ts

@@ -975,6 +975,8 @@ export class CoreSitesProvider {
             this.logger.debug(`Restore session in site ${siteId}`);
 
             return this.loadSite(siteId);
+        }).catch(() => {
+            // No current session.
         });
     }