CT/src/ViewModel/Global/contactViewModel.ts

import SettingsViewModel from "./settingsViewModel";
import * as React from "../../react";
import ContactListModel from "../../Model/Global/contactListModel";

export default class ContactListViewModel {
    // state
    contacts: Map<string, ContactViewModel> = new Map();

    // main
    updateContact = (id: string, name: string): ContactViewModel => {
        if (id == this.settingsViewModel.settingsModel.userid) {
            this.settingsViewModel.setName(name);
        }

        const match = this.contacts.get(id);
        if (match) {
            match.name.value = name;
            return match;
        }
        const vm = new ContactViewModel(id, name);
        this.contacts.set(id, vm);
        return vm;
    };

    handleContact = (contact: [string, string]): void => {
        this.updateContact(...contact);
    };

    unwrapContact = (id: string, knownName: string): ContactViewModel => {
        if (this.contacts.has(id)) return this.contacts.get(id)!;
        return this.updateContact(id, knownName);
    };

    // load
    loadData = (): void => {
        const contacts: [string, string][] =
            this.contactListModel.loadContacts();
        for (const contact of contacts) {
            const vm = new ContactViewModel(...contact);
            this.contacts.set(vm.id, vm);
        }
    };

    // init
    constructor(
        public contactListModel: ContactListModel,
        public settingsViewModel: SettingsViewModel,
    ) {
        this.loadData();
        this.contactListModel.contactHandlerManager.setHandler(
            "contact-list-view-model",
            this.handleContact,
        );
    }
}

export class ContactViewModel {
    // state
    name: React.State<string> = new React.State("");

    // init
    constructor(
        public id: string,
        name: string,
    ) {
        this.name.value = name;
    }
}