我有一个不会进入的开关图。我今天早些时候让它工作了，但由于某种原因，现在它没有输出alert("INSIDE SWITCHMAP")或 switchmap 中的 console.logs。
还有这个小块的警报
alert(userId);
alert(currentPage);
alert(auctionId);
输出正确的值，因此它们都不为空。
有什么建议么？感谢您的帮助！
import { Injectable, OnDestroy } from "@angular/core";
import { HttpClient, HttpParams } from "@angular/common/http";
import { Router } from "@angular/router";
import { Subject } from "rxjs";
import { Bidding } from "./bidding.model";
import { Watching } from "../watching/watching.model";
import { PasswordReset } from "../reset-password/password.model";
import { environment } from 'src/environments/environment';
import { takeUntil, switchMap } from 'rxjs/operators';
@Injectable({ providedIn: "root" })
export class BiddingService implements OnDestroy {
destroy = new Subject();
constructor(private http: HttpClient, private router: Router) { }
submitBid(
auctionId: string,
currentBid: string,
userId: string,
biddingGroup: string[],
auctionEndDateTime: string,
lastBidderName: string,
runnerUpBidderName: string,
runnerUpBid: string,
reservePriceBeat: boolean,
currentPage: string
) {
let bidderName;
let listingHasBeenFound = false;
const bidding: Bidding = {
id: auctionId,
bidderId: userId,
lastBidTimeStamp: null,
currentBid: currentBid,
runnerUpBidderName: runnerUpBidderName,
runnerUpBid: runnerUpBid,
lastBidderName: lastBidderName,
biddingGroup: biddingGroup,
auctionEndDateTime: auctionEndDateTime,
reservePriceBeat: reservePriceBeat
};
alert("OUTSIDE SWITCHMAP")
alert(userId);
alert(currentPage);
alert(auctionId);
return this.getUserNameandListingPage(userId, currentPage, auctionId).pipe(
switchMap(res => {
alert("INSIDE SWITCHMAP")
bidderName = res.posts.username;
listingHasBeenFound = res.listingHasBeenFound;
console.log("bidderName");
console.log(bidderName);
console.log(listingHasBeenFound);
console.log(res);
return this.http.patch(
environment.api_url + `/listings/${bidding.id}`,
bidding
);
})
);
}
getUserNameandListingPage(id: string, currentPage: string, listingId: string) {
const params = new HttpParams()
.set("userIdBidder", id)
.set("listingId", listingId)
.set("currentPage", currentPage);
return this.http.get<{ posts: any; listingHasBeenFound: boolean }>(
environment.api_url + `/user/${id}`, { params }
);
}
ngOnDestroy() {
this.destroy.next();
this.destroy.complete();
}
}
确认投标组件
import {
Component,
Output,
EventEmitter,
Inject,
OnInit,
OnDestroy
} from "@angular/core";
import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
import { AuctionListingsComponent } from "../auction-listings/auction-listings.component";
import { BiddingService } from "../auction-listings/bidding.service";
import { ToastrService } from "ngx-toastr";
import * as Ably from "ably";
import { SubmitListingService } from "../submit-listing/submit-auction.service";
import { Subject } from "rxjs";
import { startWith, filter, takeUntil } from "rxjs/operators";
let api = process.env.ablyAPi;
let options: Ably.Types.ClientOptions = { key: api };
let client = new Ably.Realtime(options); /* inferred type Ably.Realtime */
let channel = client.channels.get(
"auctions"
); /* inferred type Ably.Types.RealtimeChannel */
@Component({
selector: "app-confirmation-dialog",
templateUrl: "./confirmation-dialog.component.html",
styleUrls: ["./confirmation-dialog.component.css"]
})
export class ConfirmationDialogComponent implements OnInit, OnDestroy {
currentBid: string;
bidInput: string;
auctionId: string;
userId: string;
runnerUpBidderName: string;
runnerUpBid: string;
bidderName: string;
biddingGroup: string[];
currentData: any[];
auctionEndDateTime: string;
currentPage: string;
success: boolean;
listingHasBeenFound: boolean;
username: string;
reservePriceBeat = false;
destroy = new Subject();
constructor(
public dialogRef: MatDialogRef<AuctionListingsComponent>,
@Inject(MAT_DIALOG_DATA) public data: ConfirmationDialogComponent,
private biddingService: BiddingService,
private toastr: ToastrService,
private submitListingService: SubmitListingService
) { }
ngOnInit() {
this.auctionId = this.data.auctionId;
this.runnerUpBid = this.data.currentBid;
this.bidInput = this.data.bidInput;
this.userId = this.data.userId;
this.runnerUpBidderName = this.data.runnerUpBidderName;
this.biddingGroup = this.data.biddingGroup;
this.currentPage = this.data.currentPage;
this.reservePriceBeat = this.data.reservePriceBeat;
this.auctionEndDateTime = this.data.auctionEndDateTime;
this.listingHasBeenFound = this.data.listingHasBeenFound;
this.bidderName = this.data.bidderName;
}
ngOnDestroy() {
this.destroy.next();
this.destroy.complete();
}
confirmBid() {
const data = {
auctionId: this.auctionId,
lastBid: this.bidInput,
lastBidderId: this.userId,
username: this.username
};
// Optionally, you can use a callback to be notified of success or failure
channel.publish("auctions", data);
this.biddingService
.submitBid(
this.auctionId,
this.bidInput,
this.userId,
this.biddingGroup,
this.auctionEndDateTime,
this.username,
this.runnerUpBidderName,
this.runnerUpBid,
this.reservePriceBeat,
this.currentPage
)
.pipe(takeUntil(this.destroy))
.subscribe(res => {
console.log("RES");
console.log(res);
});
this.toastr.success("Your bid has been submitted", "", {
timeOut: 2000
});
this.success = true;
var returnData = [
{
newEndTime: this.auctionEndDateTime,
auctionId: this.auctionId,
success: this.success,
username: this.username
}
];
this.dialogRef.close(returnData);
}
cancel() {
this.dialogRef.close(true);
this.success = false;
}
}
api调用
if (req.query.userIdBidder) {
console.log("correct path!");
console.log(req.query.userIdBidder);
Post.find({
$and: [
{ auctionType: { $eq: "publicAuction" } },
{ auctionEndDateTime: { $gte: Date.now() } },
{ blacklistGroup: { $ne: req.query.bidderUserId } },
// { startTime: { $lte: Date.now() } }
]
}) //test
.skip(10 * (req.query.currentPage - 1))
.sort({ dateCreated: -1 })
.limit(10)
.then(listings => {
console.log("listings");
let listingHasBeenFound = false;
for (let i = 0; i < listings.length; i++) {
console.log("i");
console.log(i);
console.log(req.query.listingId);
console.log(listings[i]._id);
if (listings[i]._id.toString().trim() === req.query.listingId.toString().trim()) {
listingHasBeenFound = true;
break;
}
}
console.log("CURRENT PAGE " + req.query.listingId);
User.findById({ _id: req.query.userIdBidder })
.select("username")
.then(documents => {
console.log("HERE WE ARE")
res.status(200).json({
message: "User account located!",
posts: documents,
listingHasBeenFound: listingHasBeenFound
});
});
}).catch((res) => {
console.log("ERROR");
console.log(res);
});
}