59 lines
1.9 KiB
Dart
59 lines
1.9 KiB
Dart
import 'message.dart';
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class MessageInfo {
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final MessageMetadata metadata;
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final String wrapper;
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MessageInfo(this.metadata, this.wrapper);
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}
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class MessageCache {
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late Map<int, MessageInfo> cache;
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late List<int?> cacheByIndex;
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late Map<String, int> cacheByHash;
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MessageCache() {
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cache = {};
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cacheByIndex = List.empty(growable: true);
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cacheByHash = {};
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}
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int get indexedLength => cacheByIndex.length;
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MessageInfo? getById(int id) => cache[id];
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MessageInfo? getByIndex(int index) {
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if (index >= cacheByIndex.length) {
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return null;
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}
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return cache[cacheByIndex[index]];
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}
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MessageInfo? getByContentHash(String contenthash) => cache[cacheByHash[contenthash]];
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void addNew(String profileOnion, int conversation, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data, String? contenthash) {
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this.cache[messageID] = MessageInfo(MessageMetadata(profileOnion, conversation, messageID, timestamp, senderHandle, senderImage, "", {}, false, false, isAuto), data);
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this.cacheByIndex.insert(0, messageID);
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if (contenthash != null && contenthash != "") {
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this.cacheByHash[contenthash] = messageID;
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}
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}
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void add(MessageInfo messageInfo, int index, String? contenthash) {
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this.cache[messageInfo.metadata.messageID] = messageInfo;
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this.cacheByIndex.insert(index, messageInfo.metadata.messageID);
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if (contenthash != null && contenthash != "") {
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this.cacheByHash[contenthash] = messageInfo.metadata.messageID;
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}
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}
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void addUnindexed(MessageInfo messageInfo, String? contenthash) {
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this.cache[messageInfo.metadata.messageID] = messageInfo;
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if (contenthash != null && contenthash != "") {
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this.cacheByHash[contenthash] = messageInfo.metadata.messageID;
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}
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}
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void ackCache(int messageID) {
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cache[messageID]?.metadata.ackd = true;
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}
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}
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