New: Health check for import lists with missing root folders

New: Show missing root folder path in edit for Import List

(cherry picked from commit ae196af2ad368d49fde2358f0987ed7650c7f29c)

Closes #1998

frontend/src/Components/Form/RootFolderSelectInputConnector.js

@@ -9,14 +9,17 @@ const ADD_NEW_KEY = 'addNew';
 function createMapStateToProps() {
   return createSelector(
     (state) => state.settings.rootFolders,
+    (state, { value }) => value,
+    (state, { includeMissingValue }) => includeMissingValue,
     (state, { includeNoChange }) => includeNoChange,
-    (rootFolders, includeNoChange) => {
+    (rootFolders, value, includeMissingValue, includeNoChange) => {
       const values = rootFolders.items.map((rootFolder) => {
         return {
           key: rootFolder.path,
           value: rootFolder.path,
           name: rootFolder.name,
-          freeSpace: rootFolder.freeSpace
+          freeSpace: rootFolder.freeSpace,
+          isMissing: false
         };
       });
 
@@ -25,6 +28,16 @@ function createMapStateToProps() {
           key: 'noChange',
           value: '',
           name: 'No Change',
+          isDisabled: true,
+          isMissing: false
+        });
+      }
+
+      if (includeMissingValue && !values.find((v) => v.key === value)) {
+        values.push({
+          key: value,
+          value,
+          isMissing: true,
           isDisabled: true
         });
       }

frontend/src/Components/Form/RootFolderSelectInputOption.css

@@ -27,3 +27,10 @@
   color: var(--darkGray);
   font-size: $smallFontSize;
 }
+
+.isMissing {
+  margin-left: 15px;
+  color: var(--dangerColor);
+  font-size: $smallFontSize;
+}
+

frontend/src/Components/Form/RootFolderSelectInputOption.css.d.ts

@@ -3,6 +3,7 @@
 interface CssExports {
   'artistFolder': string;
   'freeSpace': string;
+  'isMissing': string;
   'isMobile': string;
   'optionText': string;
   'value': string;

frontend/src/Components/Form/RootFolderSelectInputOption.js

@@ -11,6 +11,7 @@ function RootFolderSelectInputOption(props) {
     value,
     name,
     freeSpace,
+    isMissing,
     artistFolder,
     isMobile,
     isWindows,
@@ -19,9 +20,7 @@ function RootFolderSelectInputOption(props) {
 
   const slashCharacter = isWindows ? '\\' : '/';
 
-  const text = value === '' ? name : `[${name}] ${value}`;
-
-  console.debug(props);
+  const text = name === '' ? value : `[${name}] ${value}`;
 
   return (
     <EnhancedSelectInputOption
@@ -48,11 +47,20 @@ function RootFolderSelectInputOption(props) {
         </div>
 
         {
-          freeSpace != null &&
+          freeSpace == null ?
+            null :
             <div className={styles.freeSpace}>
               {formatBytes(freeSpace)} Free
             </div>
         }
+
+        {
+          isMissing ?
+            <div className={styles.isMissing}>
+              Missing
+            </div> :
+            null
+        }
       </div>
     </EnhancedSelectInputOption>
   );
@@ -63,9 +71,14 @@ RootFolderSelectInputOption.propTypes = {
   name: PropTypes.string.isRequired,
   value: PropTypes.string.isRequired,
   freeSpace: PropTypes.number,
+  isMissing: PropTypes.bool,
   artistFolder: PropTypes.string,
   isMobile: PropTypes.bool.isRequired,
   isWindows: PropTypes.bool
 };
 
+RootFolderSelectInputOption.defaultProps = {
+  name: ''
+};
+
 export default RootFolderSelectInputOption;

frontend/src/Components/Form/RootFolderSelectInputSelectedValue.js

@@ -17,7 +17,7 @@ function RootFolderSelectInputSelectedValue(props) {
 
   const slashCharacter = isWindows ? '\\' : '/';
 
-  const text = value === '' ? name : `[${name}] ${value}`;
+  const text = name === '' ? value : `[${name}] ${value}`;
 
   return (
     <EnhancedSelectInputSelectedValue
@@ -59,6 +59,7 @@ RootFolderSelectInputSelectedValue.propTypes = {
 };
 
 RootFolderSelectInputSelectedValue.defaultProps = {
+  name: '',
   includeFreeSpace: true
 };
 

frontend/src/Settings/ImportLists/ImportLists/EditImportListModalContent.js

@@ -223,6 +223,7 @@ function EditImportListModalContent(props) {
                     name="rootFolderPath"
                     helpText={translate('RootFolderPathHelpText')}
                     {...rootFolderPath}
+                    includeMissingValue={true}
                     onChange={onInputChange}
                   />
                 </FormGroup>

src/NzbDrone.Core/HealthCheck/Checks/ImportListRootFolderCheck.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using NzbDrone.Common.Disk;
+using NzbDrone.Common.Serializer;
+using NzbDrone.Core.Datastore.Events;
+using NzbDrone.Core.ImportLists;
+using NzbDrone.Core.Localization;
+using NzbDrone.Core.MediaFiles.Events;
+using NzbDrone.Core.Music.Events;
+using NzbDrone.Core.RootFolders;
+
+namespace NzbDrone.Core.HealthCheck.Checks
+{
+    [CheckOn(typeof(ModelEvent<RootFolder>))]
+    [CheckOn(typeof(ArtistsDeletedEvent))]
+    [CheckOn(typeof(ArtistMovedEvent))]
+    [CheckOn(typeof(TrackImportedEvent), CheckOnCondition.FailedOnly)]
+    [CheckOn(typeof(TrackImportFailedEvent), CheckOnCondition.SuccessfulOnly)]
+    public class ImportListRootFolderCheck : HealthCheckBase
+    {
+        private readonly IImportListFactory _importListFactory;
+        private readonly IDiskProvider _diskProvider;
+
+        public ImportListRootFolderCheck(IImportListFactory importListFactory, IDiskProvider diskProvider, ILocalizationService localizationService)
+            : base(localizationService)
+        {
+            _importListFactory = importListFactory;
+            _diskProvider = diskProvider;
+        }
+
+        public override HealthCheck Check()
+        {
+            var importLists = _importListFactory.All();
+            var missingRootFolders = new Dictionary<string, List<ImportListDefinition>>();
+
+            Console.WriteLine(importLists.ToArray().ToJson());
+
+            foreach (var importList in importLists)
+            {
+                var rootFolderPath = importList.RootFolderPath;
+
+                if (missingRootFolders.ContainsKey(rootFolderPath))
+                {
+                    missingRootFolders[rootFolderPath].Add(importList);
+
+                    continue;
+                }
+
+                if (!_diskProvider.FolderExists(rootFolderPath))
+                {
+                    missingRootFolders.Add(rootFolderPath, new List<ImportListDefinition> { importList });
+                }
+            }
+
+            if (missingRootFolders.Any())
+            {
+                if (missingRootFolders.Count == 1)
+                {
+                    var missingRootFolder = missingRootFolders.First();
+
+                    return new HealthCheck(GetType(),
+                        HealthCheckResult.Error,
+                        string.Format(_localizationService.GetLocalizedString("ImportListRootFolderMissingRootHealthCheckMessage"), FormatRootFolder(missingRootFolder.Key, missingRootFolder.Value)),
+                        "#import-list-missing-root-folder");
+                }
+
+                return new HealthCheck(GetType(),
+                    HealthCheckResult.Error,
+                    string.Format(_localizationService.GetLocalizedString("ImportListRootFolderMultipleMissingRootsHealthCheckMessage"), string.Join(" | ", missingRootFolders.Select(m => FormatRootFolder(m.Key, m.Value)))),
+                    "#import-list-missing-root-folder");
+            }
+
+            return new HealthCheck(GetType());
+        }
+
+        private string FormatRootFolder(string rootFolderPath, List<ImportListDefinition> importLists)
+        {
+            return $"{rootFolderPath} ({string.Join(", ", importLists.Select(l => l.Name))})";
+        }
+    }
+}

src/NzbDrone.Core/Localization/Core/en.json

@@ -437,6 +437,8 @@
   "ImportFailedInterp": "Import failed: {0}",
   "ImportFailures": "Import failures",
   "ImportListExclusions": "Import List Exclusions",
+  "ImportListRootFolderMissingRootHealthCheckMessage": "Missing root folder for import list(s): {0}",
+  "ImportListRootFolderMultipleMissingRootsHealthCheckMessage": "Multiple root folders are missing for import lists: {0}",
   "ImportListSettings": "General Import List Settings",
   "ImportListSpecificSettings": "Import List Specific Settings",
   "ImportListStatusCheckAllClientMessage": "All lists are unavailable due to failures",