devextreme/esm/__internal/scheduler/view_model/m_appointment_data_source.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/__internal/scheduler/view_model/m_appointment_data_source.js)
 * Version: 25.2.7
 * Build date: Tue May 05 2026
 *
 * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import {
    Deferred
} from "../../../core/utils/deferred";
const STORE_EVENTS = {
    updating: "updating",
    push: "push"
};
export class AppointmentDataSource {
    constructor(dataSource) {
        this.setDataSource(dataSource);
        this.updatedAppointmentKeys = []
    }
    get keyName() {
        const store = this.dataSource.store();
        return store.key()
    }
    get isDataSourceInit() {
        return Boolean(this.dataSource)
    }
    getStoreKey(target) {
        const store = this.dataSource.store();
        return store.keyOf(target)
    }
    setDataSource(dataSource) {
        this.dataSource = dataSource;
        this.cleanState();
        this.initStoreChangeHandlers()
    }
    initStoreChangeHandlers() {
        const {
            dataSource: dataSource
        } = this;
        const store = null === dataSource || void 0 === dataSource ? void 0 : dataSource.store();
        if (store) {
            store.on(STORE_EVENTS.updating, key => {
                const keyName = store.key();
                if (keyName) {
                    this.updatedAppointmentKeys.push({
                        key: keyName,
                        value: key
                    })
                } else {
                    this.updatedAppointment = key
                }
            });
            store.on(STORE_EVENTS.push, pushItems => {
                const items = dataSource.items();
                const keyName = store.key();
                pushItems.forEach(pushItem => {
                    const itemExists = 0 !== items.filter(item => item[keyName] === pushItem.key).length;
                    if (itemExists) {
                        this.updatedAppointmentKeys.push({
                            key: keyName,
                            value: pushItem.key
                        })
                    } else {
                        const {
                            data: data
                        } = pushItem;
                        data && items.push(data)
                    }
                });
                dataSource.load()
            })
        }
    }
    getUpdatedAppointment() {
        return this.updatedAppointment
    }
    getUpdatedAppointmentKeys() {
        return this.updatedAppointmentKeys
    }
    cleanState() {
        this.updatedAppointment = null;
        this.updatedAppointmentKeys = []
    }
    add(rawAppointment) {
        return this.dataSource.store().insert(rawAppointment).done(() => this.dataSource.load())
    }
    update(target, data) {
        const key = this.getStoreKey(target);
        const d = new Deferred;
        this.dataSource.store().update(key, data).done(result => this.dataSource.load().done(() => d.resolve(result)).fail(d.reject)).fail(d.reject);
        return d.promise()
    }
    remove(rawAppointment) {
        const key = this.getStoreKey(rawAppointment);
        return this.dataSource.store().remove(key).done(() => this.dataSource.load())
    }
    destroy() {
        var _this$dataSource;
        const store = null === (_this$dataSource = this.dataSource) || void 0 === _this$dataSource ? void 0 : _this$dataSource.store();
        if (store) {
            store.off(STORE_EVENTS.updating);
            store.off(STORE_EVENTS.push)
        }
    }
}