'init'

2026-01-30 05:01:05 +02:00
commit 83f38dc63f
327 changed files with 18725 additions and 0 deletions
--- a/app/providers/DialogListProvider/useDialogInfo.ts
+++ b/app/providers/DialogListProvider/useDialogInfo.ts
@@ -0,0 +1,88 @@
+import { useEffect, useState } from "react";
+import { DialogRow } from "./DialogListProvider";
+import { useDatabase } from "@/app/providers/DatabaseProvider/useDatabase";
+import { usePublicKey } from "../AccountProvider/usePublicKey";
+import { decodeWithPassword } from "@/app/crypto/crypto";
+import { constructLastMessageTextByAttachments } from "@/app/utils/constructLastMessageTextByAttachments";
+import { usePrivatePlain } from "../AccountProvider/usePrivatePlain";
+import { DeliveredMessageState, Message } from "../DialogProvider/DialogProvider";
+
+/**
+ * Получает информацию о последнем сообщении в диалоге и количестве непрочитанных сообщений,
+ * работает как с групповыми диалогами, так и с личными.
+ * Последнее сообщение содержит расшифрованный текст в поле plain_message.
+ * @param row Диалог из списка диалогов
+ * @returns информация о последнем сообщении и количестве непрочитанных сообщений
+ */
+export function useDialogInfo(row : DialogRow) : {
+    lastMessage: Message;
+    unreaded: number;
+    loading: boolean;
+} {
+    const {getQuery} = useDatabase();
+    const publicKey = usePublicKey();
+    const privatePlain = usePrivatePlain();
+    const [lastMessage, setLastMessage] = useState<Message>({
+        from_public_key: '',
+        to_public_key: '',
+        content: '',
+        timestamp: 0,
+        chacha_key: '',
+        readed: 0,
+        from_me: 0,
+        delivered: DeliveredMessageState.WAITING,
+        message_id: '',
+        plain_message: '',
+        attachments: [],
+    });
+    const [unreaded, setUnreaded] = useState(0);    
+
+    useEffect(() => {
+        loadLastMessageInfo();
+    }, [row.last_timestamp]);
+
+    const loadLastMessageInfo = async () => {
+        let message = await getQuery(`SELECT * FROM messages WHERE message_id = ? AND account = ? LIMIT 1`, [row.last_message_id, publicKey]);
+        if(!message){
+            return;
+        }
+        
+        let lastMessage = '';
+        try{
+            lastMessage = await decodeWithPassword(privatePlain, message.plain_message);
+        }catch(e){
+            lastMessage = constructLastMessageTextByAttachments(message.attachments);
+        }
+
+        setLastMessage({
+            ...message,
+            plain_message: lastMessage,
+            attachments: JSON.parse(message.attachments),
+        });
+        let unreadedCount = {
+            count: 0
+        };
+        if(row.dialog_id.startsWith('#group:')){
+            unreadedCount = await getQuery(`
+                SELECT COUNT(*) as count 
+                FROM messages 
+                WHERE read = 0 
+                AND to_public_key = ?
+                AND account = ?`, [row.dialog_id, publicKey]);
+        }else{
+            unreadedCount = await getQuery(`
+                SELECT COUNT(*) as count 
+                FROM messages 
+                WHERE read = 0 
+                AND ((from_public_key = ? AND to_public_key = ?) OR (from_public_key = ? AND to_public_key = ?))
+                AND account = ?`, [publicKey, row.dialog_id, row.dialog_id, publicKey, publicKey]);
+        }
+        setUnreaded(unreadedCount.count);
+    }    
+
+    return {
+        lastMessage,
+        unreaded,
+        loading: lastMessage.message_id == '',
+    }
+}