使用ngxs lab/firestore插件时如何在我的对象中获取firebase文档ID
我使用NGXS进行状态管理,还使用firestore-plugin() 如何在对象中添加文档的id 我已经创建了我的商店:使用ngxs lab/firestore插件时如何在我的对象中获取firebase文档ID,firebase,google-cloud-firestore,ngxs,Firebase,Google Cloud Firestore,Ngxs,我使用NGXS进行状态管理,还使用firestore-plugin() 如何在对象中添加文档的id 我已经创建了我的商店: import { Injectable } from '@angular/core'; import { NgxsFirestore } from '@ngxs-labs/firestore-plugin'; @Injectable({ providedIn: 'root', }) export class SpotsFirestore extends NgxsFir
import { Injectable } from '@angular/core';
import { NgxsFirestore } from '@ngxs-labs/firestore-plugin';
@Injectable({
providedIn: 'root',
})
export class SpotsFirestore extends NgxsFirestore<Spot> {
protected path = 'seasons/2021/spots';
}
所以很明显,id不在我的firebase文档中,而是在识别它。但我拥有它肯定是有用的
我想我应该覆盖NgxsFirestore中的某些内容,但我不知道如何覆盖?
是否必须将其放在文档中?您可以!您只需在服务中创建一个名为
idField
的属性,如下所示:
从'@angular/core'导入{Injectable};
从“@ngxs实验室/firestore插件”导入{NgxsFirestore};
@注射的({
providedIn:'根',
})
导出类SpotsFirestore扩展了NgxsFirestore{
保护路径='seasons/2021/spots';
idField='spotId'
}
在这种情况下,它将在属性spotId
reference:是id:string;是否与Firebase文档ID相同?你的模型里需要它吗?为什么你认为拥有它肯定会对你有用?因为我想要像
/spots/{id}/edit
,/spots/{id}/comments
。。。那么,我在这里还会放些什么(这将允许我使用ngxs从firebase检索它)每个firebase文档都有一个名称,该名称是在创建时给出的。您可以将此名称用作id:String,该名称与集合名称一起足以检索存储的对象DocumentReference docRef=db.集合(“城市”).文档(“SF”);//异步检索文档apifourt=docRef.get();/…/响应文档snapshot document=future.get();`这是在中记录的。相关代码示例可在上找到。@George是的,我知道,但我的问题是,使用NgxsFirestore,我如何做到这一点?
import { Injectable } from '@angular/core';
import { Emitted, NgxsFirestoreConnect, StreamEmitted } from '@ngxs-labs/firestore-plugin';
import { Action, NgxsOnInit, Selector, State, StateContext } from '@ngxs/store';
import { InitializeSpotsAction } from './spots.actions';
import { SpotsFirestore } from './spots.firestore';
export interface SpotsStateModel {
spots: Spot[];
}
@State<SpotsStateModel>({
name: 'spots',
defaults: {
spots: [],
},
})
@Injectable()
export class SpotsState implements NgxsOnInit {
@Selector()
static spots(state: SpotsStateModel) {
return state.spots;
}
constructor(private spotsFireStore: SpotsFirestore, private ngxsFirestoreConnect: NgxsFirestoreConnect) {}
ngxsOnInit(ctx?: StateContext<any>) {
this.ngxsFirestoreConnect.connect(InitializeSpotsAction, {
to: (action) => this.spotsFireStore.collection$(),
});
}
@Action(StreamEmitted(InitializeSpotsAction))
getAllEmitted(ctx: StateContext<SpotsStateModel>, { action, payload }: Emitted<InitializeSpotsAction, Spot[]>) {
ctx.patchState({ spots: payload });
}
}
interface Spot {
id: string;
name: string;
description: string;
checkinValue: number;
imageUrl: string;
coordinates: firebase.firestore.GeoPoint;
}