Add generic ticket activity filters

F4SD-Cockpit-ServerCore/DataSources/ITicketActivityProvider.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+using C4IT.DataHistoryProvider;
+using C4IT.FASD.Base;
+
+namespace C4IT_DataHistoryProvider_Base.DataSources
+{
+    /// <summary>
+    /// Provider-neutral access to ticket-system activities used by search and overview.
+    /// Provider-specific filter fields remain opaque configuration values.
+    /// </summary>
+    public interface ITicketActivityProvider
+    {
+        bool TicketAndServiceRequestsEnabled { get; }
+
+        Task<List<cF4SDTicketSummary>> GetTicketsFromSid(
+            cF4sdConnectorIds userId,
+            CancellationToken token,
+            cF4sdWebRequestInfo requestInfo);
+
+        Task<Dictionary<string, int>> GetTicketOverviewCountsAsync(
+            IEnumerable<string> keys,
+            bool useRoleScope,
+            cF4sdWebRequestInfo requestInfo,
+            int logDeep,
+            CancellationToken token);
+
+        Task<List<cF4sdApiSearchResultRelation>> GetTicketOverviewRelationsAsync(
+            string key,
+            bool useRoleScope,
+            int count,
+            cF4sdWebRequestInfo requestInfo,
+            int logDeep,
+            CancellationToken token);
+    }
+}