Rename Provider Items to Item Proxies. (#205)

2026-11-05 20:09:04 +00:00 · 2022-09-22 11:18:18 +01:00
parent a807301746
commit b9f8fb0b6f
12 changed files with 88 additions and 84 deletions
@@ -0,0 +1,97 @@
+//
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import MatrixRustSDK
+
+/// A light wrapper around timeline items returned from Rust.
+enum TimelineItemProxy {
+    case event(EventTimelineItemProxy)
+    case virtual(MatrixRustSDK.VirtualTimelineItem)
+    case other(MatrixRustSDK.TimelineItem)
+    
+    init(item: MatrixRustSDK.TimelineItem) {
+        if let eventItem = item.asEvent() {
+            self = .event(EventTimelineItemProxy(item: eventItem))
+        } else if let virtualItem = item.asVirtual() {
+            self = .virtual(virtualItem)
+        } else {
+            self = .other(item)
+        }
+    }
+
+    func canBeGrouped(with previousItemProxy: TimelineItemProxy) -> Bool {
+        guard case let .event(selfEventItemProxy) = self, case let .event(previousEventItemProxy) = previousItemProxy else {
+            return false
+        }
+        //  can be improved by adding a date threshold
+        return previousEventItemProxy.reactions.isEmpty && selfEventItemProxy.sender == previousEventItemProxy.sender
+    }
+}
+
+/// A light wrapper around event timeline items returned from Rust.
+struct EventTimelineItemProxy {
+    let item: MatrixRustSDK.EventTimelineItem
+    
+    init(item: MatrixRustSDK.EventTimelineItem) {
+        self.item = item
+    }
+    
+    var id: String {
+        #warning("Handle txid in a better way")
+        switch item.key() {
+        case .transactionId(let txnID):
+            return txnID
+        case .eventId(let eventID):
+            return eventID
+        }
+    }
+    
+    var body: String? {
+        content.asMessage()?.body()
+    }
+    
+    var isMessage: Bool {
+        content.asMessage() != nil
+    }
+    
+    var content: TimelineItemContent {
+        item.content()
+    }
+
+    var isRedacted: Bool {
+        content.isRedactedMessage()
+    }
+
+    var isOwn: Bool {
+        item.isOwn()
+    }
+    
+    var sender: String {
+        item.sender()
+    }
+
+    var reactions: [Reaction] {
+        item.reactions()
+    }
+    
+    var originServerTs: Date {
+        if let timestamp = item.originServerTs() {
+            return Date(timeIntervalSince1970: TimeInterval(timestamp / 1000))
+        } else {
+            return .now
+        }
+    }
+}