application/services/container-service.js

import Immutable from 'immutable';

import alt from './../alt';
import Alt from 'alt';
import BaseService from './base-service';
import {ErrorService} from './error-service';

import {parseSrn} from './../util/strings';
import {info} from './../util/console';

/**
 * Interact with container API service
 */
class ContainerService extends BaseService {

    updateContainer(container) {
        return container;
    }

    updateContainers(container) {
        return container;
    }

    updatePagination(pagination) {
        return pagination;
    }

    /**
     * Remove (delete) container item
     * @param  {string} id
     */
    remove(id) {
        return (dispatch) => {
            return this.delete('/v3/container/' + id)
                .then(() => {
                    info(arguments);
                })
                .catch((e) => {
                    ErrorService.add('error', 'Unable to delete container, usually this means you don\'t have permission to remove items.');
                });
        };
    }

    /**
     * Update existing container item
     * @param  {string}   id       UUID
     * @param  {object}   data     Hash of container data
     * @param  {Function} callback
     */
    update(id, data, callback) {
        return (dispatch) => {
            return this.put('/v3/container/' + id, data)
                .then((data) => {
                    info('Update returned', data);
                    this.updateContainer(data.first());
                    if (callback) {
                        callback(data.first());
                    }
                })
                .catch((e) => {
                    ErrorService.add('error', 'Unable to save container, usually this means you don\'t have it checked out.');
                });
        }
    }

    /**
     * Create new container item
     * @param  {object}   data     Hash of content data
     * @param  {Function} callback
     */
    create(data, callback) {
        return (dispatch) => {
            return this.post('/v3/container/', data)
                .then((data) => {
                    info('Create returned', data);
                    this.updateContainer(data.first());
                    if (callback) {
                        callback(data.first());
                    }
                })
                .catch((e) => {
                    ErrorService.add('error', 'Unable to save container, usually this means you don\'t have it checked out.');
                });
        };
    }

    /**
     * Attempt to obtain a container lock, then update the container store
     * @param  {string} srn valid SRN
     */
    checkoutAndFetch(srn) {
        return (dispatch) => {
            return this.post('/v3/lock-request', {'srn': srn})
                .then((data) => {
                    info('Checkout and Fetch returned', data);
                    const parsedSrn = parseSrn(srn);
                    this.fetchOne(parsedSrn.uuid, {}, false);
                });
        };
    }

    /**
     * Attempt to release a container lock, then update container store
     * @param  {string} containerId container UUID
     * @param  {string} lockId    Lock UUID
     */
    checkinAndFetch(containerId, lockId) {
        return (dispatch) => {
            return this.delete('/v3/lock-request/' + lockId)
                .then((data) => {
                    info('Checkin and fetch returned', data);
                    this.fetchOne(containerId, {}, false);
                });
        };
    }

    /**
     * Fetch single container update
     * @param  {string}  id          UUID
     * @param  {object}  opts        Hash of query options
     * @param  {Boolean} forceUpdate If true (default) force update to container store, otherwise, don't
     */
    fetchOne(id, opts, forceUpdate = true) {
        if (forceUpdate === true) {
            this.updateContainer([]);
        }
        return (dispatch) => {
            return this.get('/v3/container/' + id, opts)
                .then((data) => {
                    info('FetchOne returned', data);
                    this.updateContainer(data.first());
                });
        };
    }

    /**
     * Fetch paginated container items
     * @param  {object} opts Hash of query options
     */
    fetch(opts) {
        return (dispatch) => {
            return this.get('/v3/container', opts)
                .then((data) => {
                    info('Fetch returned', data);
                    this.updatePagination(Immutable.fromJS({
                        'first': data.get('first'),
                        'before': data.get('before'),
                        'current': data.get('current'),
                        'last': data.get('last'),
                        'next': data.get('next'),
                        'total_pages': data.get('total_pages'),
                        'total_items': data.get('total_items'),
                        'limit': data.get('limit')
                    }));

                    if (data.get('items').size) {
                        this.updateContainers(data.get('items'))
                    } else {
                        this.updateContainers(Immutable.fromJS([]));
                    }
                });
        };
    }

    /**
     * Run a query on the search endpoint. See search docs for query info
     * @param  {object} opts Query has
     */
    search(opts) {
        return (dispatch) => {
            return this.get('/v3/search', opts)
                .then((data) => {
                    info('Search returned', data);
                    this.updatePagination(Immutable.fromJS({
                        'first': data.get('first'),
                        'before': data.get('before'),
                        'current': data.get('current'),
                        'last': data.get('last'),
                        'next': data.get('next'),
                        'total_pages': data.get('total_pages'),
                        'total_items': data.get('total_items'),
                        'limit': data.get('limit')
                    }));

                    this.updateContents(data.get('items'))
                });
        };
    }

}

const service = alt.createActions(ContainerService);

/**
 * Container Flux store. Tracks
 * <ul>
 *     <li>container</li>
 *     <li>containers</li>
 *     <li>pagination</li>
 * </ul>
 */
class ContainersStore {
    constructor() {
        this.state = {
            'container': Immutable.Map(),
            'containers': Immutable.Map(),
            'pagination': Immutable.Map()
        };

        this.bindListeners({
            'handleUpdateContainer': service.UPDATE_CONTAINER,
            'handleUpdateContainers': service.UPDATE_CONTAINERS,
            'handleUpdatePagination': service.UPDATE_PAGINATION
        });
    }

    handleUpdateContainer(container) {
        this.setState({'container': container});
    }

    handleUpdateContainers(container) {
        this.setState({'containers': container});
    }

    handleUpdatePagination(pagination) {
        this.setState({'pagination': pagination});
    }
}

const store = alt.createStore(ContainersStore, 'ContainersStore');

/**
 * Instace wrapper if you don't or can't use the singleton action and classes.
 *
 * Actions and store are both under the 'containers' key.
 */
class ContainerFlux extends Alt {
    constructor(config = {}) {
        super(config);

        this.addActions('containers', ContainerService);
        this.addStore('containers', ContainersStore);
    }
}

export {ContainerFlux as default, service as ContainerService, store as ContainersStore};