我正在尝试设置canActivate路由,但出现语法错误(无法分配订阅以键入route):
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot) {
const pin = route.paramMap.get('pin');
let canActivate;
if (pin) {
return this.partService.getCached(pin).pipe(
take(1),
concatMap(p => {
if(this.appService.isUserAuthorized(Authorization.canAccessAll_View, p))
{
return of(true);
}
return this.partService.getEnrolled(pin,'WW')
})).subscribe(parts => {
if(parts)
{
parts.forEach(part => {
if (part.agencyCode == this.appService.user.agencyCode) {
if (this.appService.isUserAuthorizedToView(part)) {
canActivate = true;
} else {
this.routeToUnauthorized(state.url);
canActivate = false;
}
}
});
}
return canActivate;
});
}
}
这里的语法有什么问题?任何帮助将不胜感激。
而不是订阅,请尝试映射。就像提到的cghislai一样,您必须返回布尔值,Promise或Observable;
canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot) {
const pin = route.paramMap.get('pin');
let canActivate = false; // initialize with a false value
if (pin) {
return this.partService.getCached(pin).pipe(
take(1),
concatMap(p => {
if(this.appService.isUserAuthorized(Authorization.canAccessAll_View, p))
{
return of(true);
}
return this.partService.getEnrolled(pin,'WW');
}),
map(parts => {
if(parts)
{
parts.forEach(part => {
if (part.agencyCode == this.appService.user.agencyCode) {
if (this.appService.isUserAuthorizedToView(part)) {
canActivate = true;
} else {
this.routeToUnauthorized(state.url);
canActivate = false;
}
}
});
}
return canActivate;
}));
}