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231 lines
9.7 KiB
TypeScript
231 lines
9.7 KiB
TypeScript
import { ConversationListRetriever, GroupChatListGetter, NewMessageChecker } from "./conversation-list.tsx";
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import { PublicKey } from "../lib/nostr-ts/key.ts";
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import { NostrAccountContext, NostrEvent, NostrKind } from "../lib/nostr-ts/nostr.ts";
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import { getTags, Profile_Nostr_Event, Text_Note_Event } from "../nostr.ts";
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import { ProfileSyncer } from "../features/profile.ts";
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import { GroupChatCreation } from "../group-chat.ts";
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export interface ConversationSummary {
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pubkey: PublicKey;
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profile: Profile_Nostr_Event | undefined;
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newestEventSendByMe: NostrEvent | undefined;
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newestEventReceivedByMe: NostrEvent | undefined;
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}
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export function getConversationSummaryFromPublicKey(k: PublicKey, users: Map<string, ConversationSummary>) {
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return users.get(k.hex);
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}
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export class ConversationLists implements ConversationListRetriever, GroupChatListGetter, NewMessageChecker {
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readonly convoSummaries = new Map<string, ConversationSummary>();
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readonly groupChatSummaries = new Map<string, ConversationSummary>();
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private readonly profile = new Map<string, Profile_Nostr_Event>();
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constructor(
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public readonly ctx: NostrAccountContext,
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private readonly profileSyncer: ProfileSyncer,
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) {}
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has(hex: string, isGourpChat: boolean): boolean {
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// todo: implement NewMessageChecker
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return false;
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}
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*getStrangers() {
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for (const convoSummary of this.convoSummaries.values()) {
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if (
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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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) {
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yield convoSummary;
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}
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}
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}
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*getContacts() {
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for (const userInfo of this.convoSummaries.values()) {
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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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*getGroupChat() {
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for (const value of this.groupChatSummaries.values()) {
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yield value;
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}
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}
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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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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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addGroupCreation(groupChatCreation: GroupChatCreation) {
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const publicKey = groupChatCreation.groupKey.publicKey;
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this.groupChatSummaries.set(publicKey.hex, {
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pubkey: publicKey,
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newestEventReceivedByMe: undefined,
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newestEventSendByMe: undefined,
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profile: this.profile.get(publicKey.hex),
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});
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this.profileSyncer.add(publicKey.hex);
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}
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addEvents(
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events: (
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| Profile_Nostr_Event
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| Text_Note_Event
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| NostrEvent<NostrKind.DIRECT_MESSAGE>
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)[],
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) {
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// const t = Date.now();
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for (const event of events) {
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switch (event.kind) {
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case NostrKind.META_DATA:
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{
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const profile = this.profile.get(event.publicKey.hex);
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if (profile) {
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if (profile.created_at < event.created_at) {
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this.profile.set(event.publicKey.hex, event);
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}
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} else {
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this.profile.set(event.publicKey.hex, event);
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}
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const convoSummary = this.convoSummaries.get(event.pubkey);
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const groupChatSummary = this.groupChatSummaries.get(event.pubkey);
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if (convoSummary) {
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if (convoSummary.profile) {
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if (event.created_at > convoSummary.profile?.created_at) {
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convoSummary.profile = event;
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}
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} else {
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convoSummary.profile = event;
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}
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}
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if (groupChatSummary) {
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if (groupChatSummary.profile) {
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if (event.created_at > groupChatSummary.profile?.created_at) {
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groupChatSummary.profile = event;
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}
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} else {
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groupChatSummary.profile = event;
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}
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}
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}
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break;
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case NostrKind.DIRECT_MESSAGE:
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{
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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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} 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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break;
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}
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const userInfo = this.convoSummaries.get(whoAm_I_TalkingTo);
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if (userInfo) {
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// userInfo.events.push(event);
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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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userInfo.newestEventSendByMe = event;
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userInfo.newestEventReceivedByMe = event;
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}
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} else {
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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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userInfo.newestEventSendByMe = event;
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}
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} else {
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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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userInfo.newestEventReceivedByMe = event;
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}
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} else {
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userInfo.newestEventReceivedByMe = event;
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}
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}
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}
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} else {
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const newUserInfo: ConversationSummary = {
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pubkey: PublicKey.FromHex(whoAm_I_TalkingTo) as PublicKey,
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newestEventReceivedByMe: undefined,
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newestEventSendByMe: undefined,
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profile: this.profile.get(whoAm_I_TalkingTo),
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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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} else {
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if (this.ctx.publicKey.hex == event.pubkey) {
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// I am the sender
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newUserInfo.newestEventSendByMe = event;
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} else {
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// I am the receiver
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newUserInfo.newestEventReceivedByMe = event;
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}
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}
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this.convoSummaries.set(whoAm_I_TalkingTo, newUserInfo);
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}
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}
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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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export const sortUserInfo = (a: ConversationSummary, b: ConversationSummary) => {
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return sortScore(b) - sortScore(a);
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};
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function sortScore(contact: ConversationSummary) {
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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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