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added tap() method to observable...
added tap() method to observable added queryEx() function to store

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r118:e07418577cbc v1.6.1 default
r144:63215d91ae4b v1.9.0-rc6 default
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MainContext.ts
88 lines | 2.6 KiB | video/mp2t | TypeScriptLexer
import Memory = require("dojo/store/Memory");
import Observable = require("dojo/store/Observable");
import { Appointment, AppointmentRole, Member } from "./Appointment";
import { Contact } from "./Contact";
import { Uuid } from "@implab/core-amd/Uuid";
import { IDestroyable } from "@implab/core-amd/interfaces";
import { delay } from "@implab/core-amd/safe";
import { query } from "@implab/djx/store";
type AppointmentRecord = Omit<Appointment, "getMembers"> & { id: string };
type ContactRecord = Contact;
type MemberRecord = Member & { appointmentId: string; };
const item = <T, T2>(map: (x: T) => T2) => <U extends { item: T }>({ item, ...props }: U) => ({ item: map(item), ...props });
export class MainContext implements IDestroyable {
private readonly _appointments = new Observable(new Memory<AppointmentRecord>());
private readonly _contacts = new Observable(new Memory<ContactRecord>());
private readonly _members = new Observable(new Memory<MemberRecord>());
async createAppointment(title: string, startAt: Date, duration: number, members: Member[]) {
await delay(1000);
const id = Uuid();
this._appointments.add({
id,
startAt,
duration,
title
});
members.forEach(member =>
this._members.add({
appointmentId: id,
...member
}, { id: Uuid() }) as void
);
}
async load() {
await Promise.resolve();
for (let i = 0; i < 2; i++) {
const id = Uuid();
this._appointments.add({
id,
startAt: new Date(),
duration: 30,
title: `Hello ${i+1}`
});
}
}
private readonly _queryAppointmentsRx = query(this._appointments);
private readonly _queryMembersRx = query(this._members);
queryAppointments({ dateFrom, dateTo }: { dateFrom?: Date; dateTo?: Date; } = {}) {
return this._queryAppointmentsRx(({ startAt }) =>
(!dateFrom || dateFrom <= startAt) &&
(!dateTo || startAt <= dateTo)
).map(item(this._mapAppointment));
}
async addMember(appointmentId: string, member: Member) {
await delay(1000);
this._members.add({
appointmentId,
...member
});
}
private readonly _mapAppointment = ({ startAt, title, duration, id }: AppointmentRecord) => ({
id,
title,
startAt,
duration,
getMembers: (role?: AppointmentRole) => this._queryMembersRx(role ? { appointmentId: id, role } : { appointmentId: id })
});
destroy() {
}
}