ornamentum
Version:
Angular Toolkit
112 lines • 13.6 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* Data table HTTP data fetch service.
* @template T
*/
export class DataTableHttpDataFetchService {
/**
* @param {?} http
* @param {?} requestParamMapperService
*/
constructor(http, requestParamMapperService) {
this.http = http;
this.requestParamMapperService = requestParamMapperService;
}
/**
* Get data bind event handler.
* @param {?} options Request options or resource path.
* @param {?=} mapper Response data mapper callback. map source stream format to data table expected stream or apply additional formatting.
* @return {?} Data table bind event handler.
*/
onDataBind(options, mapper) {
return (/**
* @param {?=} params
* @return {?}
*/
(params) => {
/** @type {?} */
const requestOptions = this.requestParamMapperService.mapRequestOptions(options);
/** @type {?} */
let queryParams = this.requestParamMapperService.mapQueryParams(requestOptions.options);
if (params) {
if (params.limit !== undefined) {
queryParams = queryParams.set('limit', String(params.limit));
}
if (params.offset !== undefined) {
queryParams = queryParams.set('offset', String(params.offset));
}
params.fields.forEach((/**
* @param {?} column
* @return {?}
*/
(column) => {
/** @type {?} */
let query = '';
if (column.filterable) {
if (typeof column.filterValue === 'string') {
if (column.filterValue !== '') {
query += column.filterValue;
}
}
else if (Array.isArray(column.filterValue) && column.filterValue.length) {
query += column.filterValue.join(',');
}
}
if (column.sortable && column.sortOrder !== '') {
query += `|${column.sortOrder}|${column.sortPriority}`;
}
if (query) {
queryParams = queryParams.set(column.field, query);
}
}));
requestOptions.options.params = queryParams;
/** @type {?} */
const resource = (/** @type {?} */ (this.http.get(requestOptions.url, (/** @type {?} */ (requestOptions.options)))));
if (mapper) {
return mapper(resource);
}
return resource;
}
});
}
/**
* Get filter value extract event handler.
* @param {?} options Request options or resource path.
* @param {?=} mapper Response data mapper callback. map source stream format to data table expected stream or apply additional formatting.
* @return {?} Data table filter options event handler.
*/
onFilterValueExtract(options, mapper) {
return (/**
* @param {?} column
* @return {?}
*/
(column) => {
/** @type {?} */
const requestOptions = this.requestParamMapperService.mapRequestOptions(options);
/** @type {?} */
let queryParams = this.requestParamMapperService.mapQueryParams(requestOptions.options);
/** @type {?} */
const filterField = column.filterField || column.field;
queryParams = queryParams.set('field', filterField);
/** @type {?} */
const resource = (/** @type {?} */ (this.http.get(requestOptions.url, Object.assign({ params: queryParams }, requestOptions))));
if (mapper) {
return mapper(resource);
}
return resource;
});
}
}
if (false) {
/**
* @type {?}
* @private
*/
DataTableHttpDataFetchService.prototype.http;
/** @type {?} */
DataTableHttpDataFetchService.prototype.requestParamMapperService;
}
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{ HttpClient } from '@angular/common/http';\n\nimport { Observable } from 'rxjs';\n\nimport { DataTableRequestParams } from '../../data-table/models/data-table-request-params.model';\nimport { DataTableQueryResult } from '../../data-table/models/data-table-query-result.model';\nimport { DataTableQueryField } from '../../data-table/models/data-table-query-field.model';\nimport { DataTableDataBindCallback } from '../../data-table/models/data-table-data-bind-callback.model';\nimport { DataTableFilterValueExtractCallback } from '../../data-table/models/data-table-filter-value-extract-callback.model';\nimport { DataTableFilterOption } from '../../data-table/models/data-table-filter-option.model';\nimport { HttpRequestOptions } from '../../resource-utility/models/http-request-options.model';\nimport { ResourceOptions } from '../../resource-utility/models/resource-options.model';\n\nimport { DataTableColumnComponent } from '../../data-table/components/data-table-column/data-table-column.component';\n\nimport { RequestParamMapperService } from '../../resource-utility/services/request-param-mapper.service';\n\n/**\n * Data table HTTP data fetch service.\n */\nexport class DataTableHttpDataFetchService<T> {\n  constructor(private http: HttpClient, public requestParamMapperService: RequestParamMapperService) {}\n\n  /**\n   * Get data bind event handler.\n   * @param options Request options or resource path.\n   * @param mapper Response data mapper callback. map source stream format to data table expected stream or apply additional formatting.\n   * @return Data table bind event handler.\n   */\n  public onDataBind(\n    options: string|ResourceOptions,\n    mapper?: <Q>(response: Observable<Q>) => Observable<DataTableQueryResult<T>>,\n  ): DataTableDataBindCallback<T> {\n    return (params?: DataTableRequestParams): Observable<DataTableQueryResult<T>> => {\n      const requestOptions = this.requestParamMapperService.mapRequestOptions(options);\n      let queryParams = this.requestParamMapperService.mapQueryParams(requestOptions.options);\n\n      if (params) {\n        if (params.limit !== undefined) {\n          queryParams = queryParams.set('limit', String(params.limit));\n        }\n\n        if (params.offset !== undefined) {\n          queryParams = queryParams.set('offset', String(params.offset));\n        }\n\n        params.fields.forEach((column: DataTableQueryField) => {\n          let query = '';\n\n          if (column.filterable) {\n            if (typeof column.filterValue === 'string') {\n              if (column.filterValue !== '') {\n                query += column.filterValue;\n              }\n            } else if (Array.isArray(column.filterValue) && column.filterValue.length) {\n              query += column.filterValue.join(',');\n            }\n          }\n\n          if (column.sortable && column.sortOrder !== '') {\n            query += `|${column.sortOrder}|${column.sortPriority}`;\n          }\n\n          if (query) {\n            queryParams = queryParams.set(column.field, query);\n          }\n        });\n\n        requestOptions.options.params = queryParams;\n\n        const resource = this.http.get<any>(requestOptions.url, requestOptions.options as any) as Observable<any>;\n\n        if (mapper) {\n          return mapper(resource);\n        }\n\n        return resource;\n      }\n    };\n  }\n\n  /**\n   * Get filter value extract event handler.\n   * @param options Request options or resource path.\n   * @param mapper Response data mapper callback. map source stream format to data table expected stream or apply additional formatting.\n   * @return Data table filter options event handler.\n   */\n  public onFilterValueExtract(\n    options: string|HttpRequestOptions,\n    mapper?: <Q>(response: Observable<Q>) => Observable<DataTableFilterOption[]>,\n  ): DataTableFilterValueExtractCallback {\n    return (column: DataTableColumnComponent): Observable<DataTableFilterOption[]> => {\n      const requestOptions = this.requestParamMapperService.mapRequestOptions(options);\n      let queryParams = this.requestParamMapperService.mapQueryParams(requestOptions.options);\n\n      const filterField = column.filterField || column.field;\n      queryParams = queryParams.set('field', filterField);\n\n      const resource = this.http.get<any>(requestOptions.url, { params: queryParams, ...requestOptions }) as Observable<any>;\n\n      if (mapper) {\n        return mapper(resource);\n      }\n\n      return resource;\n    };\n  }\n}\n"]}