Room List Filters implementation (#2423)

ElementX/Sources/Services/Room/RoomSummary/RoomSummaryProviderProtocol.swift

@@ -87,10 +87,28 @@ enum RoomSummary: CustomStringConvertible, Equatable {
     }
 }
 
-enum RoomSummaryProviderFilter {
-    case none
-    case all
-    case normalizedMatchRoomName(String)
+enum RoomSummaryProviderFilter: Equatable {
+    struct Predicate: Equatable {
+        let query: String?
+        let filters: Set<RoomListFilter>
+        
+        static var all: Predicate {
+            Predicate()
+        }
+        
+        /// - Parameters:
+        ///    - query: If provided the filter will do a normalized search, default is nil
+        ///    - filters: Additional filters that can be provided for further filtering the room list, default is empty which means no additional filtering is done
+        init(query: String? = nil, filters: Set<RoomListFilter> = []) {
+            self.query = query
+            self.filters = filters
+        }
+    }
+    
+    /// Filters out everything
+    case excludeAll
+    /// Includes only the items that satisfy the predicate logic
+    case include(Predicate)
 }
 
 protocol RoomSummaryProviderProtocol {