Added database connection error handling

src/app/components/browse/search-bar/search-bar.component.html

@@ -1,9 +1,10 @@
 <div class="ui bottom attached borderless menu">
   <div class="item">
     <!-- TODO: add advanced search -->
-    <div class="ui icon input" [class.loading]="searchService.isLoading()">
+    <div class="ui icon input" [class.loading]="isLoading()">
       <input #searchBox type="text" placeholder=" Search..." (keyup.enter)="onSearch(searchBox.value)">
-      <i class="search icon"></i>
+      <i id="searchIcon" class="link icon" [ngClass]="isError ? 'red exclamation triangle' : 'search'"
+        data-content="Failed to connect to the Bridge database" data-position="bottom right"></i>
     </div>
   </div>
   <!-- <div #typeDropdown class="ui item dropdown">

src/app/components/browse/search-bar/search-bar.component.scss

@@ -0,0 +1,3 @@
+#searchIcon {
+  cursor: default;
+}

src/app/components/browse/search-bar/search-bar.component.ts

@@ -8,13 +8,25 @@ import { SearchService } from 'src/app/core/services/search.service'
 })
 export class SearchBarComponent implements AfterViewInit {
 
+  isError = false
+
   constructor(public searchService: SearchService) { }
 
   ngAfterViewInit() {
     $('.ui.dropdown').dropdown()
+    $('#searchIcon').popup({
+      onShow: () => this.isError // Only show the popup if there is an error
+    })
+    this.searchService.onSearchError(() => {
+      this.isError = true
+    })
   }
 
   onSearch(query: string) {
     this.searchService.newSearch(query)
   }
+
+  isLoading() {
+    return this.searchService.isLoading()
+  }
 }

src/app/core/services/search.service.ts

@@ -21,7 +21,12 @@ export class SearchService {
     if (this.awaitingResults) { return }
     this.awaitingResults = true
     this.currentQuery = { query, type: SearchType.Any, offset: 0, length: 50 + 1 } // TODO: make length a setting
-    this.results = this.trimLastChart(await this.electronService.invoke('song-search', this.currentQuery))
+    try {
+      this.results = this.trimLastChart(await this.electronService.invoke('song-search', this.currentQuery))
+    } catch (err) {
+      this.results = []
+      this.resultsChangedEmitter.error(undefined)
+    }
     this.awaitingResults = false
 
     this.resultsChangedEmitter.emit(this.results)
@@ -49,6 +54,14 @@ export class SearchService {
     this.newResultsEmitter.subscribe(callback)
   }
 
+  /**
+   * Event emitted when a search fails.
+   * (emitted before `onSearchChanged`)
+   */
+  onSearchError(callback: () => void) {
+    this.resultsChangedEmitter.subscribe(() => { /** Do nothing */ }, callback)
+  }
+
   get resultCount() {
     return this.results.length
   }

src/electron/ipc/UpdateHandler.ipc.ts

@@ -28,13 +28,11 @@ class UpdateChecker {
 
   private registerUpdaterListeners() {
     autoUpdater.on('error', (err: Error) => {
-      console.log('error callback', err)
       emitIPCEvent('update-error', err)
     })
 
     autoUpdater.on('update-available', (info: UpdateInfo) => {
       updateAvailable = true
-      console.log('update available callback', info)
       emitIPCEvent('update-available', info)
     })
   }
@@ -68,8 +66,7 @@ class GetCurrentVersionHandler implements IPCInvokeHandler<'get-current-version'
    * @returns the current version of Bridge.
    */
   handler() {
-    console.log('Printing version:', autoUpdater.currentVersion.raw)
-    return autoUpdater.currentVersion.raw // TODO: display this on the about page
+    return autoUpdater.currentVersion.raw
   }
 }
 

src/electron/shared/Paths.ts

@@ -1,12 +1,12 @@
-import * as path from 'path'
+import { join } from 'path'
 import { app } from 'electron'
 
 // Data paths
-export const dataPath = path.join(app.getPath('userData'), 'bridge_data')
-export const libraryPath = path.join(dataPath, 'library.db')
-export const settingsPath = path.join(dataPath, 'settings.json')
-export const tempPath = path.join(dataPath, 'temp')
-export const themesPath = path.join(dataPath, 'themes')
+export const dataPath = join(app.getPath('userData'), 'bridge_data')
+export const libraryPath = join(dataPath, 'library.db')
+export const settingsPath = join(dataPath, 'settings.json')
+export const tempPath = join(dataPath, 'temp')
+export const themesPath = join(dataPath, 'themes')
 
 // URL
-export const serverURL = '64.53.210.87'
+export const serverURL = 'bridge-db.net'