2023-10-08 21:03:15 +00:00
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import { ConversationListRetriever, NewMessageChecker } from "./conversation-list.tsx";
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2023-10-07 20:40:18 +00:00
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import { PublicKey } from "../lib/nostr-ts/key.ts";
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2023-08-28 17:58:05 +00:00
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import { NostrAccountContext, NostrEvent, NostrKind } from "../lib/nostr-ts/nostr.ts";
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2023-10-09 18:39:52 +00:00
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import { getTags, Parsed_Event } from "../nostr.ts";
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2023-12-22 12:20:34 +00:00
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import { InvalidEvent } from "../features/dm.ts";
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2023-06-30 14:05:57 +00:00
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2023-09-23 21:54:13 +00:00
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export interface ConversationSummary {
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2023-06-30 14:05:57 +00:00
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pubkey: PublicKey;
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2023-10-15 22:39:21 +00:00
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newestEventSendByMe?: NostrEvent;
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newestEventReceivedByMe?: NostrEvent;
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2023-06-30 14:05:57 +00:00
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}
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2023-10-15 22:39:21 +00:00
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export class DM_List implements ConversationListRetriever, NewMessageChecker {
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2023-09-24 21:56:29 +00:00
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readonly convoSummaries = new Map<string, ConversationSummary>();
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2023-12-22 12:20:34 +00:00
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readonly newMessages = new Map<string, number>();
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2023-07-15 16:40:21 +00:00
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2023-09-23 21:54:13 +00:00
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constructor(
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public readonly ctx: NostrAccountContext,
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) {}
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2023-07-15 16:40:21 +00:00
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2023-12-22 13:03:59 +00:00
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newNessageCount(hex: string, isGourpChat: boolean): number {
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return this.newMessages.get(hex) || 0;
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}
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markRead(hex: string, isGourpChat: boolean): void {
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this.newMessages.set(hex, 0);
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2023-10-07 20:40:18 +00:00
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}
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2023-09-13 14:52:01 +00:00
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*getStrangers() {
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2023-09-27 20:04:01 +00:00
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for (const convoSummary of this.convoSummaries.values()) {
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2023-09-13 14:52:01 +00:00
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if (
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2023-09-27 20:04:01 +00:00
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(
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convoSummary.newestEventReceivedByMe == undefined ||
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convoSummary.newestEventSendByMe == undefined
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) &&
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!(
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convoSummary.newestEventReceivedByMe == undefined &&
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convoSummary.newestEventSendByMe == undefined
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)
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2023-09-13 14:52:01 +00:00
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) {
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2023-09-27 20:04:01 +00:00
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yield convoSummary;
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2023-09-13 14:52:01 +00:00
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}
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}
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}
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*getContacts() {
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2023-09-24 21:56:29 +00:00
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for (const userInfo of this.convoSummaries.values()) {
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2023-09-13 14:52:01 +00:00
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if (
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userInfo.newestEventReceivedByMe != undefined &&
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userInfo.newestEventSendByMe != undefined
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) {
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yield userInfo;
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}
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}
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}
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2023-10-04 21:34:43 +00:00
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getConversationType(pubkey: PublicKey, isGroupChat: boolean) {
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if (isGroupChat) {
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return "Group";
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}
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2023-10-03 18:25:36 +00:00
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const contact = this.convoSummaries.get(pubkey.hex);
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if (contact == undefined) {
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return "Strangers";
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}
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if (
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contact.newestEventReceivedByMe == undefined || contact.newestEventSendByMe == undefined
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) {
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return "Strangers";
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} else {
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return "Contacts";
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}
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}
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2023-10-04 15:07:40 +00:00
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addEvents(
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events: NostrEvent[],
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newEvents: boolean,
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2023-10-03 15:15:45 +00:00
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) {
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for (const event of events) {
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if (event.kind != NostrKind.DIRECT_MESSAGE) {
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continue;
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}
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2023-12-22 13:03:59 +00:00
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const err = this.addEvent({
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...event,
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kind: event.kind,
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}, newEvents);
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if (err instanceof Error) {
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return err;
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}
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}
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}
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2023-12-22 12:20:34 +00:00
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2023-12-22 13:03:59 +00:00
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private addEvent(event: NostrEvent<NostrKind.DIRECT_MESSAGE>, newEvent: boolean) {
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let whoAm_I_TalkingTo = "";
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if (event.pubkey == this.ctx.publicKey.hex) {
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// I am the sender
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whoAm_I_TalkingTo = getTags(event).p[0];
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if (whoAm_I_TalkingTo == undefined) {
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return new InvalidEvent(event, `event ${event.id} does not have p tags`);
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2023-12-22 12:20:34 +00:00
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}
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2023-12-22 13:03:59 +00:00
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} else if (getTags(event).p[0] == this.ctx.publicKey.hex) {
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// I am the receiver
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whoAm_I_TalkingTo = event.pubkey;
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} else {
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// I am neither. Possible because other user has used this device before
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return;
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}
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2023-12-22 12:20:34 +00:00
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2023-12-22 13:03:59 +00:00
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if (newEvent && this.ctx.publicKey.hex != event.pubkey) {
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this.newMessages.set(whoAm_I_TalkingTo, this.newNessageCount(whoAm_I_TalkingTo, false) + 1);
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}
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2023-12-22 12:20:34 +00:00
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2023-12-22 13:03:59 +00:00
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const userInfo = this.convoSummaries.get(whoAm_I_TalkingTo);
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if (userInfo) {
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if (whoAm_I_TalkingTo == this.ctx.publicKey.hex) {
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// talking to myself
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if (userInfo.newestEventSendByMe) {
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if (event.created_at > userInfo.newestEventSendByMe?.created_at) {
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2023-12-22 12:20:34 +00:00
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userInfo.newestEventSendByMe = event;
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userInfo.newestEventReceivedByMe = event;
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}
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} else {
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2023-12-22 13:03:59 +00:00
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userInfo.newestEventSendByMe = event;
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userInfo.newestEventReceivedByMe = event;
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}
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} else {
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if (this.ctx.publicKey.hex == event.pubkey) {
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// I am the sender
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if (userInfo.newestEventSendByMe) {
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if (event.created_at > userInfo.newestEventSendByMe.created_at) {
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2023-12-22 12:20:34 +00:00
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userInfo.newestEventSendByMe = event;
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2023-06-30 14:05:57 +00:00
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}
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2023-12-22 12:20:34 +00:00
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} else {
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2023-12-22 13:03:59 +00:00
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userInfo.newestEventSendByMe = event;
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}
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} else {
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// I am the receiver
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if (userInfo.newestEventReceivedByMe) {
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if (event.created_at > userInfo.newestEventReceivedByMe.created_at) {
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2023-12-22 12:20:34 +00:00
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userInfo.newestEventReceivedByMe = event;
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2023-06-30 14:05:57 +00:00
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}
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2023-12-22 13:03:59 +00:00
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} else {
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userInfo.newestEventReceivedByMe = event;
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2023-06-30 14:05:57 +00:00
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}
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2023-12-22 12:20:34 +00:00
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}
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2023-12-22 13:03:59 +00:00
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}
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} else {
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const pubkey = PublicKey.FromHex(whoAm_I_TalkingTo);
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if (pubkey instanceof Error) {
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return new InvalidEvent(event, pubkey.message);
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}
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const newUserInfo: ConversationSummary = {
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pubkey,
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newestEventReceivedByMe: undefined,
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newestEventSendByMe: undefined,
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};
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if (whoAm_I_TalkingTo == this.ctx.publicKey.hex) {
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// talking to myself
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newUserInfo.newestEventSendByMe = event;
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newUserInfo.newestEventReceivedByMe = event;
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2023-12-22 12:20:34 +00:00
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} else {
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2023-12-22 13:03:59 +00:00
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if (this.ctx.publicKey.hex == event.pubkey) {
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// I am the sender
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2023-12-22 12:20:34 +00:00
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newUserInfo.newestEventSendByMe = event;
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} else {
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2023-12-22 13:03:59 +00:00
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// I am the receiver
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newUserInfo.newestEventReceivedByMe = event;
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2023-12-22 12:20:34 +00:00
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}
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2023-06-30 14:05:57 +00:00
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}
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2023-12-22 13:03:59 +00:00
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this.convoSummaries.set(whoAm_I_TalkingTo, newUserInfo);
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2023-06-30 14:05:57 +00:00
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}
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}
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}
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2023-09-23 21:54:13 +00:00
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export const sortUserInfo = (a: ConversationSummary, b: ConversationSummary) => {
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2023-06-30 14:05:57 +00:00
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return sortScore(b) - sortScore(a);
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};
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2023-09-23 21:54:13 +00:00
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function sortScore(contact: ConversationSummary) {
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2023-06-30 14:05:57 +00:00
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let score = 0;
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if (contact.newestEventSendByMe !== undefined) {
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score += contact.newestEventSendByMe.created_at;
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}
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if (contact.newestEventReceivedByMe !== undefined) {
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score += contact.newestEventReceivedByMe.created_at;
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}
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return score;
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}
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