♻️ Basic things to move to events system

2024-06-28 00:05:43 +08:00
parent e84bca8948
commit bbc9ea69f7
14 changed files with 416 additions and 308 deletions
--- a/lib/controllers/chat_events_controller.dart
+++ b/lib/controllers/chat_events_controller.dart
@ -0,0 +1,119 @@
+import 'package:get/get.dart';
+import 'package:solian/models/channel.dart';
+import 'package:solian/models/event.dart';
+import 'package:solian/platform.dart';
+import 'package:solian/providers/message/helper.dart';
+import 'package:solian/providers/message/events.dart';
+
+class ChatEventController {
+  late final MessageHistoryDb database;
+
+  final RxList<LocalEvent> currentEvents = RxList.empty(growable: true);
+  final RxInt totalEvents = 0.obs;
+
+  final RxBool isLoading = false.obs;
+
+  Channel? channel;
+
+  initialize() async {
+    database = await createHistoryDb();
+    currentEvents.clear();
+  }
+
+  Future<void> getEvents(Channel channel, String scope) async {
+    syncLocal(channel);
+
+    isLoading.value = true;
+    final result = await database.syncEvents(
+      channel,
+      scope: scope,
+    );
+    totalEvents.value = result?.$2 ?? 0;
+    if (!await syncLocal(channel) && result != null) {
+      currentEvents.addAll(result.$1.map(
+        (x) => LocalEvent(
+          x.id,
+          x,
+          x.channelId,
+          x.createdAt,
+        ),
+      ));
+    }
+    isLoading.value = false;
+  }
+
+  Future<void> loadEvents(Channel channel, String scope) async {
+    isLoading.value = true;
+    final result = await database.syncEvents(
+      channel,
+      depth: 3,
+      scope: scope,
+      offset: currentEvents.length,
+    );
+    totalEvents.value = result?.$2 ?? 0;
+    if (!await syncLocal(channel) && result != null) {
+      currentEvents.addAll(result.$1.map(
+        (x) => LocalEvent(
+          x.id,
+          x,
+          x.channelId,
+          x.createdAt,
+        ),
+      ));
+    }
+    isLoading.value = false;
+  }
+
+  Future<bool> syncLocal(Channel channel) async {
+    if (PlatformInfo.isWeb) return false;
+    currentEvents.replaceRange(
+      0,
+      currentEvents.length,
+      await database.localEvents.findAllByChannel(channel.id),
+    );
+    return true;
+  }
+
+  receiveEvent(Event remote) async {
+    final entry = await database.receiveEvent(remote);
+
+    if (remote.channelId != channel?.id) return;
+
+    final idx = currentEvents.indexWhere((x) => x.data.uuid == remote.uuid);
+    if (idx != -1) {
+      currentEvents[idx] = entry;
+    } else {
+      currentEvents.insert(0, entry);
+    }
+
+    switch (remote.type) {
+      case 'messages.edit':
+        final body = EventMessageBody.fromJson(remote.body);
+        if (body.relatedEvent != null) {
+          final idx =
+              currentEvents.indexWhere((x) => x.data.id == body.relatedEvent);
+          if (idx != -1) {
+            currentEvents[idx].data.body = remote.body;
+            currentEvents[idx].data.updatedAt = remote.updatedAt;
+          }
+        }
+      case 'messages.delete':
+        final body = EventMessageBody.fromJson(remote.body);
+        if (body.relatedEvent != null) {
+          currentEvents.removeWhere((x) => x.id == body.relatedEvent);
+        }
+    }
+  }
+
+  addPendingEvent(Event info) async {
+    currentEvents.insert(
+      0,
+      LocalEvent(
+        info.id,
+        info,
+        info.channelId,
+        DateTime.now(),
+      ),
+    );
+  }
+}
--- a/lib/controllers/chat_history_controller.dart
+++ b/lib/controllers/chat_history_controller.dart
@ -1,83 +0,0 @@
-import 'package:get/get.dart';
-import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
-import 'package:solian/providers/message/helper.dart';
-import 'package:solian/providers/message/history.dart';
-
-class ChatHistoryController {
-  late final MessageHistoryDb database;
-
-  final RxList<LocalMessage> currentHistory = RxList.empty(growable: true);
-  final RxInt totalHistoryCount = 0.obs;
-
-  final RxBool isLoading = false.obs;
-
-  initialize() async {
-    database = await createHistoryDb();
-    currentHistory.clear();
-  }
-
-  Future<void> getMessages(Channel channel, String scope) async {
-    syncHistory(channel);
-
-    isLoading.value = true;
-    totalHistoryCount.value = await database.syncMessages(
-      channel,
-      scope: scope,
-    );
-    await syncHistory(channel);
-    isLoading.value = false;
-  }
-
-  Future<void> getMoreMessages(Channel channel, String scope) async {
-    isLoading.value = true;
-    totalHistoryCount.value = await database.syncMessages(
-      channel,
-      breath: 3,
-      scope: scope,
-      offset: currentHistory.length,
-    );
-    await syncHistory(channel);
-    isLoading.value = false;
-  }
-
-  Future<void> syncHistory(Channel channel) async {
-    currentHistory.replaceRange(0, currentHistory.length,
-        await database.localMessages.findAllByChannel(channel.id));
-  }
-
-  receiveMessage(Message remote) async {
-    final entry = await database.receiveMessage(remote);
-    final idx = currentHistory.indexWhere((x) => x.data.uuid == remote.uuid);
-    if (idx != -1) {
-      currentHistory[idx] = entry;
-    } else {
-      currentHistory.insert(0, entry);
-    }
-  }
-
-  addTemporaryMessage(Message info) async {
-    currentHistory.insert(
-      0,
-      LocalMessage(
-        info.id,
-        info,
-        info.channelId,
-      ),
-    );
-  }
-
-  void replaceMessage(Message remote) async {
-    final entry = await database.replaceMessage(remote);
-    currentHistory.replaceRange(
-      0,
-      currentHistory.length,
-      currentHistory.map((x) => x.id == entry.id ? entry : x),
-    );
-  }
-
-  void burnMessage(int id) async {
-    await database.burnMessage(id);
-    currentHistory.removeWhere((x) => x.id == id);
-  }
-}