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import { Injectable } from '@angular/core';
import { NavigationCancel, NavigationEnd, NavigationStart, Router } from '@angular/router';
import { Store, select } from '@ngrx/store';
import { combineLatest, merge, noop } from 'rxjs';
import { filter, map, sample, shareReplay, startWith, withLatestFrom } from 'rxjs/operators';
import {
getAvailableLocales,
getCurrentCurrency,
getCurrentLocale,
getDeviceType,
getICMBaseURL,
getRestEndpoint,
} from 'ish-core/store/core/configuration';
import { businessError, getGeneralError, getGeneralErrorType } from 'ish-core/store/core/error';
import { selectPath } from 'ish-core/store/core/router';
import { getExtraConfigParameter, getServerConfigParameter } from 'ish-core/store/core/server-config';
import { getBreadcrumbData, getHeaderType, getWrapperClass, isStickyHeader } from 'ish-core/store/core/viewconf';
import { getLoggedInCustomer } from 'ish-core/store/customer/user';
import { getAllCountries, loadCountries } from 'ish-core/store/general/countries';
import { getRegionsByCountryCode, loadRegions } from 'ish-core/store/general/regions';
import { whenTruthy } from 'ish-core/utils/operators';
@Injectable({ providedIn: 'root' })
export class AppFacade {
constructor(private store: Store, private router: Router) {
this.routingInProgress$.subscribe(noop);
store.pipe(select(getICMBaseURL)).subscribe(icmBaseUrl => (this.icmBaseUrl = icmBaseUrl));
}
icmBaseUrl: string;
headerType$ = this.store.pipe(select(getHeaderType));
deviceType$ = this.store.pipe(select(getDeviceType));
stickyHeader$ = this.store.pipe(select(isStickyHeader));
currentLocale$ = this.store.pipe(select(getCurrentLocale));
availableLocales$ = this.store.pipe(select(getAvailableLocales));
currentCurrency$ = this.store.pipe(select(getCurrentCurrency));
generalError$ = this.store.pipe(select(getGeneralError));
generalErrorType$ = this.store.pipe(select(getGeneralErrorType));
breadcrumbData$ = this.store.pipe(select(getBreadcrumbData));
getRestEndpoint$ = this.store.pipe(select(getRestEndpoint));
appWrapperClasses$ = combineLatest([
this.store.pipe(
select(getWrapperClass),
sample(this.router.events.pipe(filter(event => event instanceof NavigationEnd)))
),
this.store.pipe(
select(isStickyHeader),
map(isSticky => (isSticky ? 'sticky-header' : ''))
),
this.store.pipe(
select(getDeviceType),
map(deviceType => (deviceType === 'mobile' ? 'sticky-header' : ''))
),
]).pipe(map(classes => classes.filter(c => !!c)));
routingInProgress$ = merge(
this.router.events.pipe(
filter(event => event instanceof NavigationStart),
map(() => true)
),
this.router.events.pipe(
filter(event => event instanceof NavigationEnd),
map(() => false)
),
this.router.events.pipe(
filter(event => event instanceof NavigationCancel),
map(() => false)
)
).pipe(startWith(true), shareReplay(1));
path$ = this.store.pipe(select(selectPath));
/**
* selects whether the current application type is 'REST'. If the application type is unknown it returns true
*/
isAppTypeREST$ = this.store.pipe(
select(
getServerConfigParameter<'intershop.REST' | 'intershop.B2CResponsive' | 'intershop.SMBResponsive'>(
'application.applicationType'
)
),
map(appType => appType === 'intershop.REST' || !appType)
);
customerRestResource$ = this.isAppTypeREST$.pipe(
withLatestFrom(this.store.pipe(select(getLoggedInCustomer))),
map(([isRest, customer]) => AppFacade.getCustomerRestResource(!customer || customer.isBusinessCustomer, isRest))
);
static getCustomerRestResource(
isBusinessCustomer: boolean,
isAppTypeREST: boolean
): 'customers' | 'privatecustomers' {
return isAppTypeREST && !isBusinessCustomer ? 'privatecustomers' : 'customers';
}
setBusinessError(error: string) {
this.store.dispatch(businessError({ error }));
}
/**
* extracts a specific server setting from the store.
*
* @param path the path to the server setting, starting from the serverConfig/_config store.
*/
serverSetting$<T>(path: string) {
return this.store.pipe(select(getServerConfigParameter<T>(path)));
}
// not-dead-code
/**
* extracts a specific extra server setting from the store (intended for custom ConfigurationJSON)
*
* @param path the path to the server setting, starting from the serverConfig/extra store
*/
extraSetting$<T>(path: string) {
return this.store.pipe(select(getExtraConfigParameter<T>(path)));
}
/**
* returns the currency symbol for the currency parameter in the current locale.
* If no parameter is given, the the default currency is taken instead of it.
*
* @param currency The currency
*/
currencySymbol$(currency?: string) {
return this.currentLocale$.pipe(
whenTruthy(),
withLatestFrom(this.currentCurrency$),
map(([locale, defaultCurrency]) => getCurrencySymbol(currency || defaultCurrency, 'narrow', locale))
);
}
countries$() {
this.store.dispatch(loadCountries());
return this.store.pipe(select(getAllCountries));
}
regions$(countryCode: string) {
this.store.dispatch(loadRegions({ countryCode }));
return this.store.pipe(select(getRegionsByCountryCode(countryCode)));
}
}
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