New: Add custom filter by protocol for indexer stats

frontend/src/Store/Actions/indexerStatsActions.js

@@ -61,6 +61,12 @@ export const defaultState = {
       type: filterBuilderTypes.CONTAINS,
       valueType: filterBuilderValueTypes.INDEXER
     },
+    {
+      name: 'protocols',
+      label: () => translate('Protocols'),
+      type: filterBuilderTypes.EXACT,
+      valueType: filterBuilderValueTypes.PROTOCOL
+    },
     {
       name: 'tags',
       label: () => translate('Tags'),
@@ -112,6 +118,10 @@ export const actionHandlers = handleThunks({
         requestParams.indexers = selectedFilter.value.join(',');
       }
 
+      if (selectedFilter.key === 'protocols') {
+        requestParams.protocols = selectedFilter.value.join(',');
+      }
+
       if (selectedFilter.key === 'tags') {
         requestParams.tags = selectedFilter.value.join(',');
       }

src/Prowlarr.Api.V1/Indexers/IndexerStatsController.cs

@@ -26,13 +26,30 @@ namespace Prowlarr.Api.V1.Indexers
 
         [HttpGet]
         [Produces("application/json")]
-        public IndexerStatsResource GetAll(DateTime? startDate, DateTime? endDate, string indexers, string tags)
+        public IndexerStatsResource GetAll(DateTime? startDate, DateTime? endDate, string indexers, string protocols, string tags)
         {
             var statsStartDate = startDate ?? DateTime.MinValue;
             var statsEndDate = endDate ?? DateTime.Now;
             var parsedIndexers = new List<int>();
             var parsedTags = new List<int>();
-            var indexerIds = _indexerFactory.All().Select(i => i.Id).ToList();
+
+            var allIndexers = _indexerFactory.All().Select(_indexerFactory.GetInstance).ToList();
+
+            if (protocols.IsNotNullOrWhiteSpace())
+            {
+                var parsedProtocols = protocols.Split(',')
+                    .Select(protocol =>
+                    {
+                        Enum.TryParse(protocol, true, out DownloadProtocol downloadProtocol);
+
+                        return downloadProtocol;
+                    })
+                    .ToHashSet();
+
+                allIndexers = allIndexers.Where(i => parsedProtocols.Contains(i.Protocol)).ToList();
+            }
+
+            var indexerIds = allIndexers.Select(i => i.Definition.Id).ToList();
 
             if (tags.IsNotNullOrWhiteSpace())
             {