2019-08-31 20:51:14 -07:00

74 lines
2.2 KiB
TypeScript

import Component from '@ember/component';
import { assert } from '@ember/debug';
import { CommentTypes } from 'wherehows-web/constants';
import { StringUnionKeyToValue } from 'wherehows-web/typings/generic';
import { DatasetStreamActionsUnion } from 'wherehows-web/constants';
import { noop } from 'wherehows-web/utils/helpers/functions';
import { classNames } from '@ember-decorators/component';
import { action } from '@ember/object';
const StreamActions: StringUnionKeyToValue<DatasetStreamActionsUnion> = {
add: 'add',
modify: 'modify',
destroy: 'destroy'
};
@classNames('dataset-comments')
export default class DatasetComments extends Component {
/**
* Mapping of available dataset stream action
* @type {StringUnionKeyToValue<DatasetStreamActionsUnion>}
*/
streamActions = StreamActions;
/**
* Comments on the parent dataset
* @type Array<IDatasetComment>
*/
comments = [];
/**
* List of available comment types
* @type ReadonlyArray<CommentTypeUnion>
*/
commentTypes = CommentTypes;
/**
* Default no-op function to add a dataset comment
* @type {Function}
*/
addDatasetComment = noop;
/**
* Default no-op function to delete a dataset comment
* @type {Function}
*/
deleteDatasetComment = noop;
/**
* Default no-op function to update a dataset comment
* @type {Function}
*/
updateDatasetComment = noop;
/**
* Handles the action for adding | modifying | destroying a dataset comment
* invokes handler passed in from parent: controller
* @return {Promise<boolean>}
*/
@action
handleStreamAction(strategy: DatasetStreamActionsUnion): Promise<boolean> {
const [, ...args] = [...Array.from(arguments)];
// assert that handler is in CommentAction needed since we are calling from component template
// TS currently has no jurisdiction there
assert(`Expected action to be one of ${Object.keys(StreamActions)}`, strategy in StreamActions);
return {
add: (): Promise<boolean> => this.addDatasetComment(...args),
destroy: (): Promise<boolean> => this.deleteDatasetComment(...args),
modify: (): Promise<boolean> => this.updateDatasetComment(...args)
}[strategy]();
}
}