@ui-tool/core
Version:
77 lines • 12.2 kB
JavaScript
import { InjectFlags } from '@angular/core';
import { from } from 'rxjs';
import { Router } from '@angular/router';
import { merge as lodashMerge } from 'lodash-es';
import { SMART_NAVIGATOR_ROUTES, SMART_NAVIGATOR_SCREEN_CODE_RESOLVER } from '../../constants/injectors/injectors';
import { SmartNavigatorExceptions } from '../../constants/smart-navigator-exceptions';
export class SmartNavigatorService {
//#endregion
//#region Constructor
constructor(injector) {
this.injector = injector;
const codeToUrlMappings = this.injector.get(SMART_NAVIGATOR_ROUTES);
this._router = this.injector.get(Router);
this._screenCodeResolvers = this.injector.get(SMART_NAVIGATOR_SCREEN_CODE_RESOLVER, null, InjectFlags.Optional);
this.__codeToUrlMappings = {};
if (codeToUrlMappings) {
this.__codeToUrlMappings = lodashMerge({}, codeToUrlMappings);
}
}
//#endregion
//#endregion
//#region Methods
// Navigate to a screen by using screen code.
navigateToScreenAsync(request) {
if (!request) {
throw new Error(SmartNavigatorExceptions.invalidNavigationRequest);
}
// Get raw url from screen code.
const rawUrl = this.loadRawUrl(request.code);
const compiled = this.__template(rawUrl);
const fullUrl = compiled(request.routeParams);
return from(this._router.navigate([fullUrl], request.extras));
}
// Get raw url.
loadRawUrl(code) {
if (!code || !code.length) {
throw new Error(SmartNavigatorExceptions.invalidScreenCode);
}
let url = this.__codeToUrlMappings[code];
if (url) {
return url;
}
const screenCodeResolvers = this._screenCodeResolvers;
if (!screenCodeResolvers || !screenCodeResolvers.length) {
throw new Error(SmartNavigatorExceptions.invalidScreenCode);
}
for (const screenCodeResolver of screenCodeResolvers) {
url = screenCodeResolver.loadUrl(code);
if (url && url.length) {
return url;
}
}
throw new Error(SmartNavigatorExceptions.invalidScreenCode);
}
// Build url tree.
buildUrlTree(screenCode, routeParams, extras) {
const rawUrl = this.loadRawUrl(screenCode) || '';
const compiled = this.__template(rawUrl);
const fullUrl = compiled(routeParams);
const urlTree = this._router.createUrlTree([fullUrl], extras);
return urlTree;
}
buildUrlTreeFromNavigationRequest(navigationRequest) {
return this.buildUrlTree(navigationRequest.code, navigationRequest.routeParams, navigationRequest.extras);
}
__template(value) {
return (params) => {
let rawValue = `${value ?? ''}`;
const rawParams = params || {};
Object.keys(rawParams).forEach(key => {
rawValue = rawValue.split('{{' + key + '}}').join(rawParams[key]);
});
return rawValue;
};
}
}
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};\n\n  protected _router: Router;\n\n  protected _screenCodeResolvers: IScreenCodeResolver[];\n\n\n  //#endregion\n\n  //#region Constructor\n\n  public constructor(protected injector: Injector) {\n\n    const codeToUrlMappings = this.injector.get(SMART_NAVIGATOR_ROUTES);\n    this._router = this.injector.get(Router);\n    this._screenCodeResolvers = this.injector.get(SMART_NAVIGATOR_SCREEN_CODE_RESOLVER,\n      null, InjectFlags.Optional) as any as IScreenCodeResolver[];\n    this.__codeToUrlMappings = {};\n\n    if (codeToUrlMappings) {\n      this.__codeToUrlMappings = lodashMerge({}, codeToUrlMappings);\n    }\n  }\n\n  //#endregion\n\n  //#endregion\n\n  //#region Methods\n\n  // Navigate to a screen by using screen code.\n  public navigateToScreenAsync(request: NavigateToScreenRequest<any>): Observable<boolean> {\n\n    if (!request) {\n      throw new Error(SmartNavigatorExceptions.invalidNavigationRequest);\n    }\n\n    // Get raw url from screen code.\n    const rawUrl = this.loadRawUrl(request.code);\n\n    const compiled = this.__template(rawUrl);\n    const fullUrl = compiled(request.routeParams);\n\n    return from(this._router.navigate([fullUrl], request.extras));\n  }\n\n  // Get raw url.\n  public loadRawUrl(code: string): string {\n    if (!code || !code.length) {\n      throw new Error(SmartNavigatorExceptions.invalidScreenCode);\n    }\n\n    let url: string | null = this.__codeToUrlMappings[code];\n    if (url) {\n      return url;\n    }\n\n    const screenCodeResolvers = this._screenCodeResolvers;\n    if (!screenCodeResolvers || !screenCodeResolvers.length) {\n      throw new Error(SmartNavigatorExceptions.invalidScreenCode);\n    }\n\n    for (const screenCodeResolver of screenCodeResolvers) {\n      url = screenCodeResolver.loadUrl(code);\n      if (url && url.length) {\n        return url;\n      }\n    }\n\n    throw new Error(SmartNavigatorExceptions.invalidScreenCode);\n  }\n\n  // Build url tree.\n  public buildUrlTree(screenCode: string, routeParams?: { [key: string]: any; },\n                      extras?: NavigationExtras): UrlTree {\n    const rawUrl = this.loadRawUrl(screenCode) || '';\n    const compiled = this.__template(rawUrl);\n    const fullUrl = compiled(routeParams);\n\n    const urlTree = this._router.createUrlTree([fullUrl], extras);\n    return urlTree;\n  }\n\n  public buildUrlTreeFromNavigationRequest<T>(navigationRequest: NavigateToScreenRequest<T>): UrlTree {\n    return this.buildUrlTree(navigationRequest.code, navigationRequest.routeParams, navigationRequest.extras);\n  }\n\n  private __template(value: string): (params?: Record<string, any>) => string {\n    return (params?: Record<string, any>): string => {\n      let rawValue = `${value ?? ''}`;\n      const rawParams = params || {};\n      Object.keys(rawParams).forEach(key => {\n        rawValue = rawValue.split('{{' + key + '}}').join(rawParams[key]);\n      });\n      return rawValue;\n    };\n  }\n\n  //#endregion\n}\n"]}