@ng-flexy/form
Version:
Flexy components and tools to build Angular 8+ applications
97 lines • 12.6 kB
JavaScript
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { FlexyLoggerService } from '@ng-flexy/core';
import { map } from 'rxjs/operators';
import { template, get } from 'lodash';
import * as jsonata_ from 'jsonata';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common/http";
import * as i2 from "@ng-flexy/core";
const jsonata = jsonata_;
export class FlexyFormControlOptionsService {
constructor(httpClient, logger) {
this.httpClient = httpClient;
this.logger = logger;
}
loadOptions(optionsUrl, optionsMapper = null, optionsPath) {
if (optionsUrl) {
return this.httpClient.get(optionsUrl).pipe(map(data => {
if (data && optionsPath) {
data = get(data, optionsPath);
}
const options = [];
if (data && Array.isArray(data) && optionsMapper) {
if (typeof optionsMapper === 'string') {
options.push(...this._jsonataMapperOptions(optionsMapper, data));
}
else {
options.push(...this._optionsMapper(optionsMapper, data));
}
}
else if (!optionsMapper) {
this.logger.warn('Options loader: optionsMapper is required');
}
return options;
}));
}
}
_jsonataMapperOptions(optionsMapper, data) {
const options = [];
try {
const compiled = jsonata(optionsMapper);
const jsonOptions = compiled.evaluate({ optionsData: data });
if (jsonOptions &&
Array.isArray(jsonOptions) &&
jsonOptions.length &&
jsonOptions[0].hasOwnProperty('text') &&
jsonOptions[0].hasOwnProperty('value')) {
options.push(...jsonOptions);
}
else {
this.logger.debug('Jsonata error debug', jsonOptions, optionsMapper, data);
this.logger.warn('Wrong jsonata mapping');
}
}
catch (e) {
this.logger.error('Wrong jsonata expresion', optionsMapper, e);
}
return options;
}
_optionsMapper(optionsMapper, data) {
const textTemplate = this._mapperTemplate(optionsMapper.text);
const valueTemplate = this._mapperTemplate(optionsMapper.value);
const prefixTemplate = this._mapperTemplate(optionsMapper.prefixHtml);
const options = [];
if (data && data.length) {
data.forEach(item => {
options.push({
text: item && textTemplate ? textTemplate(item) : '' + get(item, optionsMapper.text),
value: item && valueTemplate ? valueTemplate(item) : get(item, optionsMapper.value),
prefixHtml: item && prefixTemplate ? prefixTemplate(item) : get(item, optionsMapper.prefixHtml),
_raw: item
});
});
}
return options;
}
_mapperTemplate(mapper) {
if (!mapper) {
return;
}
// check if template?
if (mapper.includes('<%')) {
return template(mapper);
}
}
}
FlexyFormControlOptionsService.ɵprov = i0.ɵɵdefineInjectable({ factory: function FlexyFormControlOptionsService_Factory() { return new FlexyFormControlOptionsService(i0.ɵɵinject(i1.HttpClient), i0.ɵɵinject(i2.FlexyLoggerService)); }, token: FlexyFormControlOptionsService, providedIn: "root" });
FlexyFormControlOptionsService.decorators = [
{ type: Injectable, args: [{
providedIn: 'root'
},] }
];
FlexyFormControlOptionsService.ctorParameters = () => [
{ type: HttpClient },
{ type: FlexyLoggerService }
];
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{ Injectable } from '@angular/core';\nimport { Observable } from 'rxjs';\nimport { HttpClient } from '@angular/common/http';\nimport { FlexyLoggerService } from '@ng-flexy/core';\nimport { map } from 'rxjs/operators';\nimport { template, get } from 'lodash';\nimport { SelectOption, SelectOptionMapper } from '../models/select-option.data';\nimport * as jsonata_ from 'jsonata';\n\nconst jsonata = jsonata_;\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class FlexyFormControlOptionsService {\n  constructor(private httpClient: HttpClient, private logger: FlexyLoggerService) {}\n\n  loadOptions(optionsUrl: string, optionsMapper: SelectOptionMapper | string = null, optionsPath?: string): Observable<SelectOption[]> {\n    if (optionsUrl) {\n      return this.httpClient.get(optionsUrl).pipe(\n        map(data => {\n          if (data && optionsPath) {\n            data = get(data, optionsPath);\n          }\n          const options: SelectOption[] = [];\n          if (data && Array.isArray(data) && optionsMapper) {\n            if (typeof optionsMapper === 'string') {\n              options.push(...this._jsonataMapperOptions(optionsMapper, data));\n            } else {\n              options.push(...this._optionsMapper(optionsMapper as SelectOptionMapper, data));\n            }\n          } else if (!optionsMapper) {\n            this.logger.warn('Options loader: optionsMapper is required');\n          }\n          return options;\n        })\n      );\n    }\n  }\n\n  private _jsonataMapperOptions(optionsMapper: string, data: Array<any>): SelectOption[] {\n    const options: SelectOption[] = [];\n    try {\n      const compiled = jsonata(optionsMapper);\n      const jsonOptions = compiled.evaluate({ optionsData: data }) as SelectOption[];\n      if (\n        jsonOptions &&\n        Array.isArray(jsonOptions) &&\n        jsonOptions.length &&\n        jsonOptions[0].hasOwnProperty('text') &&\n        jsonOptions[0].hasOwnProperty('value')\n      ) {\n        options.push(...jsonOptions);\n      } else {\n        this.logger.debug('Jsonata error debug', jsonOptions, optionsMapper, data);\n        this.logger.warn('Wrong jsonata mapping');\n      }\n    } catch (e) {\n      this.logger.error('Wrong jsonata expresion', optionsMapper, e);\n    }\n    return options;\n  }\n\n  private _optionsMapper(optionsMapper: SelectOptionMapper, data: any[]) {\n    const textTemplate = this._mapperTemplate(optionsMapper.text);\n    const valueTemplate = this._mapperTemplate(optionsMapper.value);\n    const prefixTemplate = this._mapperTemplate(optionsMapper.prefixHtml);\n    const options: SelectOption[] = [];\n    if (data && data.length) {\n      data.forEach(item => {\n        options.push({\n          text: item && textTemplate ? textTemplate(item) : '' + get(item, optionsMapper.text),\n          value: item && valueTemplate ? valueTemplate(item) : get(item, optionsMapper.value),\n          prefixHtml: item && prefixTemplate ? prefixTemplate(item) : get(item, optionsMapper.prefixHtml),\n          _raw: item\n        });\n      });\n    }\n    return options;\n  }\n\n  private _mapperTemplate(mapper: string): (val: string) => string {\n    if (!mapper) {\n      return;\n    }\n    // check if template?\n    if (mapper.includes('<%')) {\n      return template(mapper);\n    }\n  }\n}\n"]}