import Component from '@ember/component'; import { setProperties } from '@ember/object'; import { task } from 'ember-concurrency'; import { IDatasetColumn, IDatasetColumnWithHtmlComments } from 'wherehows-web/typings/api/datasets/columns'; import { IDatasetSchema } from 'wherehows-web/typings/api/datasets/schema'; import { augmentObjectsWithHtmlComments } from 'wherehows-web/utils/api/datasets/columns'; import { readDatasetSchemaByUrn } from 'wherehows-web/utils/api/datasets/schema'; import { containerDataSource } from '@datahub/utils/api/data-source'; import { ETaskPromise } from '@datahub/utils/types/concurrency'; @containerDataSource('getDatasetSchemaTask', ['urn']) export default class DatasetSchemaContainer extends Component { /** * The urn identifier for the dataset * @type {string} */ urn!: string; /** * json string for the dataset schema properties * @type {string} */ json: string; /** * Stores the last modified date on the dataset schema as an utc time string * @type {string} */ lastModifiedString: string = ''; /** * List of schema properties for the dataset * @type {IDatasetColumnWithHtmlComments | IDatasetColumn} */ schemas: Array; /** * If there is schema or not */ isEmpty: boolean = false; /** * Reads the schema for the dataset */ @task(function*(this: DatasetSchemaContainer): IterableIterator> { let schemas, { columns = [], rawSchema: json, lastModified }: IDatasetSchema = yield readDatasetSchemaByUrn(this.urn); let lastModifiedString = lastModified ? new Date(lastModified).toLocaleString() : ''; schemas = augmentObjectsWithHtmlComments(columns); setProperties(this, { schemas, json: json || '{}', lastModifiedString, isEmpty: !json }); }) getDatasetSchemaTask!: ETaskPromise; }