Синхронизация, фикс ошибок

app/providers/DatabaseProvider/DatabaseProvider.tsx

@@ -17,6 +17,7 @@ export function DatabaseProvider(props: DatabaseProviderProps) {
         (async () => {
             await createAllTables(); 
             setInitialized(true);
+            //await runQuery("DROP TABLE IF EXISTS accounts_sync_times");
         })();
     }, []);
 

app/providers/DatabaseProvider/tables.ts

@@ -73,5 +73,15 @@ export const TABLES = [
         last_timestamp INTEGER NOT NULL,
         is_request INTEGER NOT NULL DEFAULT 0,
         UNIQUE (id)
+    )`,
+    /** 
+     * Таблица для хранения времени последней синхронизации сообщений
+     * last_sync время отключения клиента от сервера
+     */
+    `CREATE TABLE IF NOT EXISTS accounts_sync_times (
+        id INTEGER PRIMARY KEY,
+        account TEXT NOT NULL,
+        last_sync INTEGER NOT NULL,
+        UNIQUE (account)
     )`
 ]

app/providers/DialogProvider/useDialogFiber.ts

@@ -25,6 +25,8 @@ import { useDialogState } from "../DialogStateProvider.tsx/useDialogState";
 import { useUserInformation } from "../InformationProvider/useUserInformation";
 import { useMentions } from "../DialogStateProvider.tsx/useMentions";
 import { runTaskInQueue } from "./dialogQueue";
+import { useProtocolState } from "../ProtocolProvider/useProtocolState";
+import { ProtocolState } from "../ProtocolProvider/ProtocolProvider";
 
 /**
  * При вызове будет запущен "фоновый" обработчик
@@ -50,6 +52,30 @@ export function useDialogFiber() {
     const { muted } = useDialogState();
     const [userInfo] = useUserInformation(publicKey);
     const { pushMention } = useMentions();
+    const [protocolState] = useProtocolState();
+
+    /**
+     * Обновляет время последней синхронизации для аккаунта
+     * @param timestamp время
+     */
+    const updateSyncTime = async (timestamp: number) => {
+        if(protocolState == ProtocolState.SYNCHRONIZATION){
+            /**
+             * Если сейчас идет синхронизация то чтобы при синхронизации
+             * не создавать нагрузку на базу данных 
+             * по постоянному обновлению, обновляем базу один раз - когда
+             * приходит пакет о том что синхронизация закончилась
+             */
+            return;
+        }
+        await runQuery(
+            "INSERT INTO accounts_sync_times (account, last_sync) VALUES (?, ?) " +
+            "ON CONFLICT(account) DO UPDATE SET last_sync = CASE " +
+            "WHEN excluded.last_sync > last_sync THEN excluded.last_sync " +
+            "ELSE last_sync END",
+            [publicKey, timestamp]
+        );
+    };    
 
     /**
      * Лог
@@ -177,6 +203,7 @@ export function useDialogFiber() {
                  */
                 return;
             }
+            await updateSyncTime(timestamp);
             const groupKey = await getGroupKey(toPublicKey);
             if (!groupKey) {
                 log("Group key not found for group " + toPublicKey);
@@ -343,6 +370,8 @@ export function useDialogFiber() {
                 return;
             }
 
+            await updateSyncTime(timestamp);
+
             const chachaDecryptedKey = Buffer.from(await decrypt(chachaKey, privatePlain), "binary");
             const key = chachaDecryptedKey.slice(0, 32);
             const nonce = chachaDecryptedKey.slice(32);
@@ -494,6 +523,7 @@ export function useDialogFiber() {
                  */
                 return;
             }
+            await updateSyncTime(Date.now());
             console.info("PACKED_READ_IM");
             await runQuery(`UPDATE messages SET read = 1 WHERE from_public_key = ? AND to_public_key = ? AND account = ?`, [toPublicKey, fromPublicKey, publicKey]);
             console.info("read im with params ", [fromPublicKey, toPublicKey, publicKey]);
@@ -527,6 +557,7 @@ export function useDialogFiber() {
             const fromPublicKey = packet.getFromPublicKey();
             const toPublicKey = packet.getToPublicKey();
             await runQuery(`UPDATE messages SET read = 1 WHERE to_public_key = ? AND from_public_key = ? AND account = ?`, [toPublicKey, publicKey, publicKey]);
+            await updateSyncTime(Date.now());
             updateDialog(toPublicKey);
             addOrUpdateDialogCache(toPublicKey, getDialogCache(toPublicKey).map((message) => {
                 if (!message.readed) {

app/providers/DialogProvider/useSynchronize.ts

@@ -7,31 +7,33 @@ import { PacketSync, SyncStatus } from "../ProtocolProvider/protocol/packets/pac
 import { useSender } from "../ProtocolProvider/useSender";
 import { usePacket } from "../ProtocolProvider/usePacket";
 import { whenFinish } from "./dialogQueue";
+import { useProtocol } from "../ProtocolProvider/useProtocol";
 
 /**
  * Хук отвечает за синхронизацию сообщений, запрос синхронизации
  * при подключении
  */
 export function useSynchronize() {
-    const [protocolState, setProtocolState] = useProtocolState();
-    const {getQuery} = useDatabase();
+    const [_, setProtocolState] = useProtocolState();
+    const {getQuery, runQuery} = useDatabase();
     const publicKey = usePublicKey();
     const send = useSender();
+    const {protocol} = useProtocol();
 
     useEffect(() => {
-        if(protocolState == ProtocolState.CONNECTED){
+        const handshake_complete = () => {
             trySync();
-            setProtocolState(ProtocolState.SYNCHRONIZATION);
         }
-    }, [protocolState]);
+        protocol.on('handshake_complete', handshake_complete);
+
+        return () => {
+            protocol.off('handshake_complete', handshake_complete);
+        }
+    }, [protocol]);
 
     const trySync = async () => {
-        const lastMessage = await getQuery("SELECT timestamp FROM messages WHERE account = ? ORDER BY timestamp DESC LIMIT 1", [publicKey]);
-        if(!lastMessage){
-            sendSynchronize(0);
-            return;
-        }
-        sendSynchronize(lastMessage.timestamp);
+        const lastSyncTime = await getQuery(`SELECT last_sync FROM accounts_sync_times WHERE account = ?`, [publicKey]);
+        sendSynchronize(lastSyncTime?.last_sync ?? 0);
     }
 
     const sendSynchronize = (timestamp: number) => {
@@ -43,9 +45,20 @@ export function useSynchronize() {
 
     usePacket(25, async (packet: PacketSync) => {
         const status = packet.getStatus();
+        if(status == SyncStatus.BATCH_START){
+            setProtocolState(ProtocolState.SYNCHRONIZATION);
+        }
         if(status == SyncStatus.BATCH_END){
+            console.info("Batch start");
             await whenFinish();
-            trySync();
+            console.info("Batch finished");
+            await runQuery(
+                "INSERT INTO accounts_sync_times (account, last_sync) VALUES (?, ?) " +
+                "ON CONFLICT(account) DO UPDATE SET last_sync = ?",
+                [publicKey, packet.getTimestamp(), packet.getTimestamp()]
+            );               
+            console.info("Batch complete", publicKey, packet.getTimestamp());  
+            trySync();    
         }
         if(status == SyncStatus.NOT_NEEDED){
             /**
@@ -53,5 +66,5 @@ export function useSynchronize() {
              */
             setProtocolState(ProtocolState.CONNECTED);
         }
-    });
+    }, [publicKey]);
 }