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