90 lines
2.7 KiB
TypeScript
90 lines
2.7 KiB
TypeScript
import { ClientData, Locations, State } from "./types";
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import { db } from "./database";
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import { getHumanDate, getIsWeekend } from "./utils";
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import { formatDate } from "./utils";
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/** Vrátí dnešní datum, případně fiktivní datum pro účely vývoje a testování. */
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function getToday(): Date {
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if (process.env.MOCK_DATA) {
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return new Date('2023-05-31');
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}
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return new Date();
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}
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/** Vrátí "prázdná" (implicitní) data, pokud ještě nikdo nehlasoval. */
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function getEmptyData(): ClientData {
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return { date: getHumanDate(getToday()), isWeekend: getIsWeekend(getToday()), choices: {} };
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}
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/**
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* Vrátí veškerá klientská data pro aktuální den.
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*/
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export function getData(): ClientData {
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const data = db.get(formatDate(getToday())) || getEmptyData();
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return data;
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}
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/**
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* Vytvoří pizza day pro aktuální den a vrátí data pro klienta.
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*/
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export function createPizzaDay(creator: string): ClientData {
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initIfNeeded();
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const today = formatDate(getToday());
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const clientData: ClientData = db.get(today);
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if (clientData.pizzaDay) {
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throw Error("Pizza day pro dnešní den již existuje");
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}
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const data: ClientData = { pizzaDay: { state: State.CREATED, creator, orders: [] }, ...clientData };
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db.set(today, data);
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return data;
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}
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/**
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* Smaže pizza day pro aktuální den.
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*/
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export function deletePizzaDay(login: string) {
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const today = formatDate(getToday());
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const clientData: ClientData = db.get(today);
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if (!clientData.pizzaDay) {
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throw Error("Pizza day pro dnešní den neexistuje");
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}
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if (clientData.pizzaDay.creator !== login) {
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throw Error("Login uživatele se neshoduje se zakladatelem Pizza Day");
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}
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db.delete(today);
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}
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export function initIfNeeded() {
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const today = formatDate(getToday());
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if (!db.has(today)) {
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db.set(today, getEmptyData());
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}
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}
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export function removeChoice(login: string, data: ClientData) {
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for (let key of Object.keys(data.choices)) {
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if (data.choices[key] && data.choices[key].includes(login)) {
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const index = data.choices[key].indexOf(login);
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data.choices[key].splice(index, 1);
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if (data.choices[key].length == 0) {
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delete data.choices[key];
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}
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}
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}
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return data;
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}
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export function updateChoice(login: string, choice: Locations | null) {
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initIfNeeded();
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const today = formatDate(getToday());
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let data: ClientData = db.get(today);
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data = removeChoice(login, data);
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if (choice !== null) {
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if (!data.choices?.[choice]) {
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data.choices[choice] = [];
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}
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data.choices[choice].push(login);
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}
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db.set(today, data);
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return data;
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} |