148 lines
6.6 KiB
TypeScript
148 lines
6.6 KiB
TypeScript
import { encodeWithPassword } from "@/app/workers/crypto/crypto";
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import { MessageReply } from "../DialogProvider/useReplyMessages";
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import { Attachment, AttachmentType } from "../ProtocolProvider/protocol/packets/packet.message";
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import { base64ImageToBlurhash } from "@/app/workers/image/image";
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import { MESSAGE_MAX_TIME_TO_DELEVERED_S } from "@/app/constants";
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import { useContext, useRef } from "react";
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import { useTransport } from "../TransportProvider/useTransport";
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import { useDialogsList } from "../DialogListProvider/useDialogsList";
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import { useDatabase } from "../DatabaseProvider/useDatabase";
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import { useConsoleLogger } from "@/app/hooks/useConsoleLogger";
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import { useDialogsCache } from "../DialogProvider/useDialogsCache";
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import { DialogContext } from "../DialogProvider/DialogProvider";
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export function usePrepareAttachment() {
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const intervalsRef = useRef<NodeJS.Timeout>(null);
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const {uploadFile} = useTransport();
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const {updateDialog} = useDialogsList();
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const {runQuery} = useDatabase();
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const {info} = useConsoleLogger('usePrepareAttachment');
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const {getDialogCache} = useDialogsCache();
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const context = useContext(DialogContext);
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const updateTimestampInDialogCache = (dialog : string, message_id: string) => {
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const dialogCache = getDialogCache(dialog);
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if(dialogCache == null){
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return;
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}
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for(let i = 0; i < dialogCache.length; i++){
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if(dialogCache[i].message_id == message_id){
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dialogCache[i].timestamp = Date.now();
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break;
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}
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}
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}
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/**
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* Обновляет временную метку в сообщении, пока вложения отправляются,
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* потому что если этого не делать, то сообщение может быть помечено как
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* не доставленное из-за таймаута доставки
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* @param attachments Вложения
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*/
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const doTimestampUpdateImMessageWhileAttachmentsSend = (message_id: string, dialog: string) => {
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if(intervalsRef.current){
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clearInterval(intervalsRef.current);
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}
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intervalsRef.current = setInterval(async () => {
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/**
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* Обновляем время в левом меню
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*/
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await runQuery("UPDATE messages SET timestamp = ? WHERE message_id = ?", [Date.now(), message_id]);
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updateDialog(dialog);
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/**
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* Обновляем состояние в кэше диалогов
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*/
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updateTimestampInDialogCache(dialog, message_id);
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if(context == null || !context){
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/**
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* Если этот диалог сейчас не открыт
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*/
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return;
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}
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context.setMessages((prev) => {
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return prev.map((value) => {
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if(value.message_id != message_id){
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return value;
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}
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return {
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...value,
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timestamp: Date.now()
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};
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})
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});
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}, (MESSAGE_MAX_TIME_TO_DELEVERED_S / 2) * 1000);
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}
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/**
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* Удаляет старый тег если вложения были подготовлены заново
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* например при пересылке сообщений
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*/
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const removeOldTagIfAttachemtnsRePreapred = (preview : string) => {
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if(preview.indexOf("::") == -1){
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return preview;
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}
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let parts = preview.split("::");
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return parts.slice(1).join("::");
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}
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/**
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* Подготавливает вложения для отправки. Подготовка
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* состоит в загрузке файлов на транспортный сервер, мы не делаем
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* это через WebSocket из-за ограничений по размеру сообщений,
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* а так же из-за надежности доставки файлов через HTTP
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* @param attachments Attachments to prepare for sending
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*/
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const prepareAttachmentsToSend = async (message_id: string, dialog: string, password: string, attachments : Attachment[], rePrepared : boolean = false) : Promise<Attachment[]> => {
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if(attachments.length <= 0){
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return [];
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}
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let prepared : Attachment[] = [];
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try{
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for(let i = 0; i < attachments.length; i++){
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const attachment : Attachment = attachments[i];
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if(attachment.type == AttachmentType.MESSAGES){
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let reply : MessageReply[] = JSON.parse(attachment.blob)
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for(let j = 0; j < reply.length; j++){
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reply[j].attachments = await prepareAttachmentsToSend(message_id, dialog, password, reply[j].attachments, true);
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}
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prepared.push({
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...attachment,
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blob: await encodeWithPassword(password, JSON.stringify(reply))
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});
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continue;
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}
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if((attachment.type == AttachmentType.IMAGE
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|| attachment.type == AttachmentType.AVATAR) && attachment.preview == ""){
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/**
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* Загружаем превью blurhash для изображения
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*/
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const blurhash = await base64ImageToBlurhash(attachment.blob);
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attachment.preview = blurhash;
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}
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doTimestampUpdateImMessageWhileAttachmentsSend(message_id, dialog);
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const content = await encodeWithPassword(password, attachment.blob);
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const upid = attachment.id;
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info(`Uploading attachment with upid: ${upid}`);
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info(`Attachment content length: ${content.length}`);
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let tag = await uploadFile(upid, content);
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info(`Uploaded attachment with upid: ${upid}, received tag: ${tag}`);
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if(intervalsRef.current != null){
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clearInterval(intervalsRef.current);
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}
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prepared.push({
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...attachment,
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preview: tag + "::" + (rePrepared ? removeOldTagIfAttachemtnsRePreapred(attachment.preview) : attachment.preview),
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blob: ""
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});
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}
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return prepared;
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}catch(e){
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return prepared;
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}
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}
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return {
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prepareAttachmentsToSend
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}
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} |