I'm trying to serve static files, an image in my case, in my nestjs microservice.
Has anyone an idea of how to do that?
The only information I can find is how to serve static files in normal nestjs applications, but not how to with a microservice application.
from the docs
import { Module } from '#nestjs/common';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { ServeStaticModule } from '#nestjs/serve-static';
import { join } from 'path';
#Module({
imports: [
ServeStaticModule.forRoot({
rootPath: join(__dirname, '..', 'client'),
}),
],
controllers: [AppController],
providers: [AppService],
})
export class AppModule {}
Oke I fixed it to serve the image in the 'main-service' which is an api that connects to the microservices.
Used the example above and the docs to do it.
Related
I am trying to build a nestjs graphql with federation Schema with schema first approach monorepo of two microservices AUTH and LEDGER and a GATEWAY the AUTH microservice appModule.ts looks like this:
import { AuthModule } from './../auth/auth.module';
import { Module } from '#nestjs/common';
import { GraphQLModule } from '#nestjs/graphql';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { join } from 'path';
import { ApolloFederationDriver, ApolloFederationDriverConfig } from '#nestjs/apollo';
#Module({
imports: [
GraphQLModule.forRoot<ApolloFederationDriverConfig>({
driver: ApolloFederationDriver,
autoSchemaFile: join(process.cwd(), 'src/schema.gql'),
context: ({ req }) => ({ req }),
useGlobalPrefix: true,
}),
AuthModule
],
controllers: [AppController],
providers: [AppService],
})
export class AppModule {}
However I keep getting Error: Cannot find module 'apollo-server-core'. Now I am not using apollo-server-core directly I am using apollo/server v4 and V10 of nest/graphql and nest/apollo. I also understand that nestjs v9 may not be updated to apollo/server v4. can anyone shed some light on this?...what is causing this error? is there a workaround?
At this time, nestjs is not compatible with v4. You can check this: https://github.com/nestjs/graphql/issues/2445
I have a problem with Nestjs, with starting a microservice that listens to a messagebroker, while simultaneously starting a websocket server with which we can communicate with front-end clients.
So I am aware of hybrid nest applications, where the websocket gateway can be injected into the microservice. However I get errors about Nest not being able to resolve the Gateway import.
I configured the microservice in a ResultsModule, the websocket in UsersModule.
The error I get is:
ERROR [ExceptionHandler] Nest can't resolve dependencies of the ResultsController (ResultsService, ?). Please make sure that the argument UsersGateway at index [1] is available in the ResultsModule context.
These are the relevant pieces of code:
main.js
async function bootstrap() {
const app = await NestFactory.create(AppModule);
app.connectMicroservice<MicroserviceOptions>({
transport: Transport.RMQ,
options: {
urls: [
`amqp://${config.rabbitmq.username}:${config.rabbitmq.password}#${config.rabbitmq.host}:${config.rabbitmq.port}`,
],
queue: config.rabbitmq.channelListen,
noAck: false,
queueOptions: {
durable: false,
},
},
});
await app.startAllMicroservices();
await app.listen(82);
}
bootstrap();
app.module.ts
#Module({
imports: [UsersModule, ResultsModule],
controllers: [AppController],
providers: [AppService],
})
export class AppModule {}
results.module.ts
#Module({
imports: [UsersModule],
controllers: [ResultsController],
providers: [ResultsService],
})
export class ResultsModule {}
users.module.ts
#Module({
providers: [UsersGateway, UsersService],
})
export class UsersModule {}
users.gateway.ts
import {
WebSocketGateway,
SubscribeMessage,
MessageBody,
OnGatewayInit,
OnGatewayConnection,
OnGatewayDisconnect,
WebSocketServer,
ConnectedSocket,
} from '#nestjs/websockets';
import { Socket, Server } from 'socket.io';
import { UsersService } from './users.service';
import { CreateUserDto } from './dto/create-user.dto';
import { UpdateUserDto } from './dto/update-user.dto';
#WebSocketGateway(82)
export class UsersGateway
implements OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect
{
constructor(private readonly usersService: UsersService) {}
#WebSocketServer() server: Server;
afterInit(server: Server) {
console.log('init');
}
handleDisconnect(client: Socket) {
console.log(`Client disconnected: ${client.id}`);
}
handleConnection(client: Socket, ...args: any[]) {
console.log(client.id);
}
#SubscribeMessage('resource')
create(
#MessageBody() createUserDto: CreateUserDto,
#ConnectedSocket() client: Socket,
) {
console.log(client.id);
console.log(createUserDto.resourceId)
}
}
I tried to move around the imports, not wrapping the gateway in a module.
Tried moving the results module out of the app.module. Which removes the error, however then I do not understand where to let nestjs know to use the resultsmodule for the microservice.
------------------------ANSWER-------------------------------------
Alright, we fixed it with the help of #yomateo , we were missing the export of the websocket gateway in the module. Thanks for the help!
You're close (you have it backwards).
Have your UsersGateway or UsersService call the ResultsService.
I spun up a new project with Angular and AngularFire. I ran
firebase init firestore
firebase init functions
This set up this Angular module:
import { NgModule } from '#angular/core';
import { BrowserModule } from '#angular/platform-browser';
import { AppComponent } from './app.component';
import { initializeApp,provideFirebaseApp } from '#angular/fire/app';
import { environment } from '../environments/environment';
import { provideFirestore,getFirestore } from '#angular/fire/firestore';
import { provideFunctions,getFunctions } from '#angular/fire/functions';
#NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
provideFirebaseApp(() => initializeApp(environment.firebase)),
provideFirestore(() => getFirestore()),
provideFunctions(() => getFunctions())
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
I didn't write any of that. It looks like AngularFire 7.
The AngularFire Functions documentation shows a different module setup. It looks like AngularFire 6:
import { BrowserModule } from '#angular/platform-browser';
import { NgModule } from '#angular/core';
import { AppComponent } from './app.component';
import { AngularFireModule } from '#angular/fire/compat';
import { AngularFireFunctionsModule } from '#angular/fire/compat/functions';
import { environment } from '../environments/environment';
#NgModule({
imports: [
BrowserModule,
AngularFireModule.initializeApp(environment.firebase),
AngularFireFunctionsModule
],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ]
})
export class AppModule {}
The differences are that the new module has:
import { initializeApp,provideFirebaseApp } from '#angular/fire/app';
import { provideFirestore,getFirestore } from '#angular/fire/firestore';
import { provideFunctions,getFunctions } from '#angular/fire/functions';
...
provideFirebaseApp(() => initializeApp(environment.firebase)),
provideFirestore(() => getFirestore()),
provideFunctions(() => getFunctions())
There are two extra lines because I initialized Firestore. The older module has this:
import { AngularFireModule } from '#angular/fire/compat';
import { AngularFireFunctionsModule } from '#angular/fire/compat/functions';
...
AngularFireModule.initializeApp(environment.firebase),
AngularFireFunctionsModule
I left the new module as is and went on to the component. Here's what the AngularFire Functions documentation says to use this (I added a template and stylesheet):
import { Component } from '#angular/core';
import { AngularFireFunctions } from '#angular/fire/compat/functions';
#Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
constructor(private functions: AngularFireFunctions) { }
}
That component throws an error message:
R3InjectorError(AppModule)[AngularFireFunctions -> InjectionToken
It can't inject AngularFireFunctions.
I went back to the module and added these lines:
import { AngularFireFunctionsModule } from '#angular/fire/compat/functions';
...
imports: [
...
AngularFireFunctionsModule
],
That doesn't fix the error. The error only goes away when I add this code to the module:
import { AngularFireModule } from '#angular/fire/compat';
import { AngularFireFunctionsModule } from '#angular/fire/compat/functions';
...
imports: [
BrowserModule,
// provideFirebaseApp(() => initializeApp(environment.firebase)),
provideFirestore(() => getFirestore()),
provideFunctions(() => getFunctions()),
AngularFireModule.initializeApp(environment.firebase),
AngularFireFunctionsModule
],
In other words, I commented out the AngularFire 7 version of initializeApp and used the AngularFire 6 version of initializeApp.
This code is getting smelly. It seems to me that I should leave the module alone and in the component I should import httpsCallable and AngularFireFunctions from #angular/fire/functions. No problem importing httpsCallable but AngularFireFunctions isn't on #angular/fire/functions.
I feel like the component should look like this:
import { Component } from '#angular/core';
import { Firestore, doc, getDoc, getDocs, collection, updateDoc } from '#angular/fire/firestore';
import { httpsCallable, AngularFireFunctions } from '#angular/fire/functions';
#Component({
selector: 'app-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.css']
})
export class AppComponent {
constructor(private functions: AngularFireFunctions) {}
callMe() {
console.log("Calling...");
this.functions.httpsCallable('helloWorld');
}
}
The problem is in AngularFireFunctions. Has this been replaced with something new in AngularFire 7?
I looked through the AngularFire repo on GitHub looking for #angular/fire/functions but I couldn't find this. Where can I see the properties on this type?
There's no AngularFire 7 module for Functions. Use the Firebase module:
import { getFunctions, httpsCallable, httpsCallableFromURL } from "firebase/functions";
I have added angular2-dropdown-multiselect in Jhipster angular part. Its not working perfectly as per the angular2-dropdwon-multi select or ngx-treeview I have added the dependency using
npm install angular2-multiselect-dropdown --save
Then I have added the same into app.module.ts
import { AngularMultiSelectModule } from 'angular2-multiselect-dropdown/angular2-multiselect-dropdown';
#NgModule({
// ...
imports: [
AngularMultiSelectModule,
]
// ...
})
Then Try this following example
import { Component, OnInit } from '#angular/core';
export class AppComponent implements OnInit {
dropdownList = [];
selectedItems = [];
dropdownSettings = {};
ngOnInit(){
this.dropdownList = [
{"id":1,"itemName":"India"},
{"id":2,"itemName":"Singapore"},
{"id":3,"itemName":"Australia"},
{"id":4,"itemName":"Canada"},
{"id":5,"itemName":"South Korea"},
{"id":6,"itemName":"Germany"},
{"id":7,"itemName":"France"},
{"id":8,"itemName":"Russia"},
{"id":9,"itemName":"Italy"},
{"id":10,"itemName":"Sweden"}
];
this.selectedItems = [
{"id":2,"itemName":"Singapore"},
{"id":3,"itemName":"Australia"},
{"id":4,"itemName":"Canada"},
{"id":5,"itemName":"South Korea"}
];
this.dropdownSettings = {
singleSelection: false,
text:"Select Countries",
selectAllText:'Select All',
unSelectAllText:'UnSelect All',
enableSearchFilter: true,
classes:"myclass custom-class"
};
}
onItemSelect(item:any){
console.log(item);
console.log(this.selectedItems);
}
OnItemDeSelect(item:any){
console.log(item);
console.log(this.selectedItems);
}
onSelectAll(items: any){
console.log(items);
}
onDeSelectAll(items: any){
console.log(items);
}
}
with HTML
<angular2-multiselect [data]="dropdownList" [(ngModel)]="selectedItems"
[settings]="dropdownSettings"
(onSelect)="onItemSelect($event)"
(onDeSelect)="OnItemDeSelect($event)"
(onSelectAll)="onSelectAll($event)"
(onDeSelectAll)="onDeSelectAll($event)">
</angular2-multiselect>
But after runing yarn serve
it just showing
Please help me
I had a similar problem with another third party library (ngx-treeview) and I also was only getting the html component empty and with no errors in the javascript console.
It was solved after importing the third party library properly following the JHipster project structure. If you want to use an external module in more than one module component, which is common, you need to configure it in shared-libs.module.ts and also add it to imports and to the exports on its #NgModule configuration.
src\main\webapp\app\shared\shared-libs.module.ts
import { NgModule } from '#angular/core';
import { FormsModule } from '#angular/forms';
import { CommonModule } from '#angular/common';
import { NgbModule } from '#ng-bootstrap/ng-bootstrap';
import { NgJhipsterModule } from 'ng-jhipster';
import { InfiniteScrollModule } from 'ngx-infinite-scroll';
import { CookieModule } from 'ngx-cookie';
import { FontAwesomeModule } from '#fortawesome/angular-fontawesome';
import { TreeviewModule } from 'ngx-treeview';
#NgModule({
imports: [
NgbModule.forRoot(),
NgJhipsterModule.forRoot({
alertAsToast: false,
i18nEnabled: true,
defaultI18nLang: 'en'
}),
InfiniteScrollModule,
CookieModule.forRoot(),
FontAwesomeModule,
TreeviewModule.forRoot() // new third party lib import
],
exports: [FormsModule, CommonModule, NgbModule, NgJhipsterModule,
InfiniteScrollModule, FontAwesomeModule,
TreeviewModule] // new third party lib export
})
export class MyProjectSharedLibsModule {}
Share-libs module is generated by Jhipster and it is by default imported in shared.module which is imported by app.module and also the other modules that are created at start by Jhipster. For more about project structure: https://www.jhipster.tech/using-angular/
However, if you create a new angular module component you need to add the shared module in the imports to be able to use the third parties libraries there.
#NgModule({
...
imports: [MyProjectSharedModule,
RouterModule.forChild([HOME_ROUTE])],
..
})
export class MyProjectAnotherModule {}
I have taken latest RC0 of Kendo UI for Angular2. It's docs mentions use of Internationalization service. I have created custom IntlService and configured it's provider in my App Module. In the component if I use the IntlService dependency then my custom service is invoked, but the NumericTextBox is not calling my service. What's wrong in the following code?
MyIntlService.ts
import { CldrIntlService } from '#progress/kendo-angular-intl';
import { Injectable } from '#angular/core';
#Injectable()
export class MyIntlService extends CldrIntlService {
constructor() {
super("en-US");
console.info('From MyIntlService ctor');
}
formatNumber(value: number, format: string| NumberFormatOptions){
const result = super.formatNumber(value,format);
console.log('In MyIntlService formatNumber');
return result;
}
}
app.module.ts
#NgModule({
imports: [ BrowserModule, InputsModule ],
declarations: [ AppComponent ],
bootstrap: [ AppComponent ],
providers: [{
provide: IntlService,
useClass: MyIntlService
}]
})
export class AppModule { }
app.component
export class AppComponent {
constructor(private intl: IntlService) {
console.log( " From AppComponent " + intl.formatNumber(42, "c"));
}
}
You can file an issue in the GitHub repository ↗. Providing a runnable example demonstrating the issue will be appreciated.