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/*
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* https://github.com/morethanwords/tweb
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* Copyright (C) 2019-2021 Eduard Kuzmenko
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* https://github.com/morethanwords/tweb/blob/master/LICENSE
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*/
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import { Photo } from "../../layer";
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import { logger } from "../logger";
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import bytesToHex from "../../helpers/bytes/bytesToHex";
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import deepEqual from "../../helpers/object/deepEqual";
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import { AppManager } from "../appManagers/manager";
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export type ReferenceContext = ReferenceContext.referenceContextProfilePhoto | ReferenceContext.referenceContextMessage | ReferenceContext.referenceContextEmojiesSounds | ReferenceContext.referenceContextReactions;
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export namespace ReferenceContext {
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export type referenceContextProfilePhoto = {
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type: 'profilePhoto',
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peerId: PeerId
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};
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export type referenceContextMessage = {
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type: 'message',
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peerId: PeerId,
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messageId: number
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};
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export type referenceContextEmojiesSounds = {
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type: 'emojiesSounds'
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};
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export type referenceContextReactions = {
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type: 'reactions'
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};
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}
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export type ReferenceBytes = Photo.photo['file_reference'];
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export type ReferenceContexts = Set<ReferenceContext>;
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//type ReferenceBytes = Uint8Array;
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export class ReferenceDatabase extends AppManager {
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private contexts: Map<ReferenceBytes, ReferenceContexts> = new Map();
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//private references: Map<ReferenceBytes, number[]> = new Map();
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private links: {[hex: string]: ReferenceBytes} = {};
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private log = logger('RD', undefined, true);
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private refreshEmojiesSoundsPromise: Promise<any>;
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// constructor() {
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// super();
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// apiManager.addTaskListener('refreshReference', (task: RefreshReferenceTask) => {
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// const originalPayload = task.payload;
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// assumeType<RefreshReferenceTaskResponse>(task);
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// task.originalPayload = originalPayload;
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// this.refreshReference(originalPayload).then((bytes) => {
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// task.payload = bytes;
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// }, (err) => {
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// task.error = err;
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// }).then(() => apiManager.postMessage(task));
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// });
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// }
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public saveContext(reference: ReferenceBytes, context: ReferenceContext, contexts?: ReferenceContexts) {
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[contexts, reference] = this.getContexts(reference);
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if(!contexts) {
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contexts = new Set();
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this.contexts.set(reference, contexts);
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}
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this.links[bytesToHex(reference)] = reference;
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for(const _context of contexts) {
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if(deepEqual(_context, context)) {
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return;
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}
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}
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contexts.add(context);
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}
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public getReferenceByLink(reference: ReferenceBytes) {
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return this.links[bytesToHex(reference)];
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}
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public getContexts(reference: ReferenceBytes): [ReferenceContexts, ReferenceBytes] {
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const contexts = this.contexts.get(reference) || (reference = this.getReferenceByLink(reference) || reference, this.contexts.get(reference));
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return [contexts, reference];
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}
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public getContext(reference: ReferenceBytes): [ReferenceContext, ReferenceBytes] {
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const contexts = this.getContexts(reference);
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return contexts[0] ? [contexts[0].values().next().value, contexts[1]] : undefined;
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}
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public deleteContext(reference: ReferenceBytes, context: ReferenceContext, contexts?: ReferenceContexts) {
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[contexts, reference] = this.getContexts(reference);
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if(contexts) {
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for(const _context of contexts) {
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if(deepEqual(_context, context)) {
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contexts.delete(_context);
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if(!contexts.size) {
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this.contexts.delete(reference);
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delete this.links[bytesToHex(reference)];
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}
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return true;
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}
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}
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}
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return false;
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}
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public refreshReference(reference: ReferenceBytes, context?: ReferenceContext): Promise<Uint8Array | number[]> {
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this.log('refreshReference: start', reference.slice(), context);
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if(!context) {
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const c = this.getContext(reference);
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if(!c) {
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this.log('refreshReference: got no context for reference:', reference.slice());
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return Promise.reject('NO_CONTEXT');
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}
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[context, reference] = c;
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}
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let promise: Promise<any>;
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switch(context?.type) {
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case 'message': {
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promise = this.appMessagesManager.wrapSingleMessage(context.peerId, context.messageId, true);
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break;
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// .then(() => {
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// console.log('FILE_REFERENCE_EXPIRED: got message', context, appMessagesManager.getMessage((context as ReferenceContext.referenceContextMessage).messageId).media, reference);
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// });
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}
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case 'emojiesSounds': {
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promise = this.refreshEmojiesSoundsPromise || this.appStickersManager.getAnimatedEmojiSounds(true).then(() => {
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this.refreshEmojiesSoundsPromise = undefined;
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});
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break;
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}
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default: {
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this.log.warn('refreshReference: not implemented context', context);
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return Promise.reject();
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}
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}
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const hex = bytesToHex(reference);
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this.log('refreshReference: refreshing reference:', hex);
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return promise.then(() => {
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const newHex = bytesToHex(reference);
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this.log('refreshReference: refreshed, reference before:', hex, 'after:', newHex);
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if(hex !== newHex) {
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return reference;
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}
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this.deleteContext(reference, context);
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const newContext = this.getContext(reference);
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if(newContext) {
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return this.refreshReference(reference, newContext[0]);
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}
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this.log.error('refreshReference: no new context, reference before:', hex, 'after:', newHex, context);
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throw 'NO_NEW_CONTEXT';
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});
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}
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/* public replaceReference(oldReference: ReferenceBytes, newReference: ReferenceBytes) {
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const contexts = this.contexts.get(oldReference);
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if(contexts) {
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this.contexts.delete(oldReference);
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this.contexts.set(newReference, contexts);
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}
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} */
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}
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