Implement resolver for node address

Fixes services.

src/app/app-routing.module.ts

@@ -3,9 +3,10 @@ import { RouterModule, Routes } from '@angular/router';
 import { ViewerComponent } from './viewer/viewer.component';
 import { LoginComponent } from './login/login.component';
 import { AuthGuardService } from './auth-guard.service';
+import { NodeResolverService } from './node-resolver.service';
 
 const routes: Routes = [
-	{ path: '', component: LoginComponent },
+	{ path: '', component: LoginComponent, resolve: { response: NodeResolverService} },
 	//{ path: 'create', component: PostCreateComponent, canActivate: [AuthGuardService]},
 	{ path: 'view', component: ViewerComponent, canActivate: [AuthGuardService]},
 	{ path: 'login', component: LoginComponent}

src/app/app.module.ts

@@ -15,7 +15,7 @@ import { AppComponent } from './app.component';
 //import { HeaderComponent } from './header/header.component';
 //import { PostListComponent } from './posts/post-list/post-list.component';
 //import { PostService } from './posts/posts.service';
-//import { ViewerComponent } from './viewer/viewer.component';
+import { ViewerComponent } from './viewer/viewer.component';
 import { LoginComponent } from './login/login.component';
 //import { NameDialogComponent } from './namedialog/namedialog.component';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
@@ -25,7 +25,7 @@ import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
     AppComponent,
     //PostCreateComponent,
     //HeaderComponent,
-	//ViewerComponent,
+	ViewerComponent,
 	LoginComponent,
 	//NameDialogComponent,
     //PostListComponent

src/app/auth-guard.service.ts

@@ -19,8 +19,7 @@ export class AuthGuardService implements CanActivate {
 		const token = localStorage.getItem('s4z_token');
 
 		if(token != null){
-			this.userService.getUser(token);
-			this.UserSub = this.userService.getZaddrUpdateListener().
+			this.userService.uZaddrUpdate.
 				subscribe((addr) => {
 				if (addr != null) {
 					console.log(addr);
@@ -29,10 +28,10 @@ export class AuthGuardService implements CanActivate {
 					console.log("No record for that token");
 				}
 			});
-			this.UserSub.unsubscribe();
 			if (this.addr != null) {
 				return true;
 			} else {
+				this.router.navigate(['/login']);
 				return false;
 			}
 		} else {

src/app/fullnode.service.ts

@@ -7,25 +7,26 @@ import {UserService} from './user.service';
 
 @Injectable({providedIn: 'root'})
 export class FullnodeService{
-	private height = 0;
-	private memoList: string[] = [];
-	private addr: string  = '';
-	private _heightUpdated: BehaviorSubject<number> = new BehaviorSubject(this.height);
-	private _memoUpdated: BehaviorSubject<string[]> = new BehaviorSubject(this.memoList);
-	private _addrUpdated: BehaviorSubject<string> = new BehaviorSubject(this.addr);
+	private dataStore: { height: number, memoList: string[], addr: string } = { height: 0, memoList: [], addr: '' };
+	private _heightUpdated: BehaviorSubject<number> = new BehaviorSubject(this.dataStore.height);
+	private _memoUpdated: BehaviorSubject<string[]> = new BehaviorSubject(this.dataStore.memoList);
+	private _addrUpdated: BehaviorSubject<string> = new BehaviorSubject(this.dataStore.addr);
 	public readonly addrUpdate: Observable<string> = this._addrUpdated.asObservable();
 	public readonly heightUpdate: Observable<number> = this._heightUpdated.asObservable();
 	public readonly memoUpdate: Observable<string[]> = this._memoUpdated.asObservable();
 	private UserSub: Subscription = new Subscription();
 
 	constructor(private http: HttpClient, public userService: UserService){
+		this.getAddr();
+		this.getHeight();
+		this.getMemos();
 	}
 
 	getHeight(){
 		let obs = this.http.get<{message: string, height: number}>('http://localhost:3000/api/blockheight');
 		obs.subscribe((BlockData) => {
-			this.height = BlockData.height;
-			this._heightUpdated.next(this.height);
+			this.dataStore.height = BlockData.height;
+			this._heightUpdated.next(Object.assign({}, this.dataStore).height);
 		});
 
 		return obs;
@@ -61,21 +62,22 @@ export class FullnodeService{
 						var blocktime = TxData.txs[i].blocktime;
 						console.log(memo);
 						console.log(`Searching for user for ${session}`);
-						this.userService.getUser(session);
-						this.UserSub = this.userService.getZaddrUpdateListener().
-							subscribe((zAddr) => {
-							if (zAddr.length == 0) {
-								console.log('FS: getMemos new adding user');
-								this.userService.addUser(address, session, blocktime);
+						const params = new HttpParams().append('session', session);
+						this.http.get<{message: string, user: any}>('http://localhost:3000/api/getuser', { headers:{}, params: params, observe: 'response'}).
+						subscribe((UserDataResponse) => {
+							console.log(UserDataResponse.status);
+							if (UserDataResponse.status == 200){
+								console.log(`FS: Found user`);
 							} else {
-								console.log('FS: getMemos found user');
+								console.log('FS: Did not find user');
+								this.userService.addUser(address, session, blocktime);
 							}
 						});
 					}
 				}
 			}
-			this.memoList = memos;
-			this._memoUpdated.next(this.memoList);
+			this.dataStore.memoList = memos;
+			this._memoUpdated.next(Object.assign({},this.dataStore).memoList);
 		});
 	}
 
@@ -84,11 +86,14 @@ export class FullnodeService{
 	//}
 
 	getAddr() {
-		this.http.get<{message: string, addr: string}>('http://localhost:3000/api/getaddr').
-		subscribe((AddrData) => {
-			this.addr = AddrData.addr;
-			this._addrUpdated.next(this.addr);
+		let obs = this.http.get<{message: string, addr: string}>('http://localhost:3000/api/getaddr');
+
+		obs.subscribe((AddrData) => {
+			this.dataStore.addr = AddrData.addr;
+			this._addrUpdated.next(Object.assign({}, this.dataStore).addr);
 		});
+
+		return obs;
 	}
 
 	//getAddrUpdateListener() {

src/app/login/login.component.ts

@@ -1,5 +1,5 @@
 import { Component, OnInit, OnDestroy, Injectable } from '@angular/core';
-import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot } from '@angular/router';
+import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot, ActivatedRoute } from '@angular/router';
 import { UserService } from '../user.service';
 import { FullnodeService } from '../fullnode.service';
 import { Subscription } from 'rxjs';
@@ -17,56 +17,62 @@ var Buffer = require('buffer/').Buffer;
 
 export class LoginComponent implements OnInit {
 	memos: string[] = [];
+	nodeAddress: string = '';
 	private FullnodeSub: Subscription = new Subscription();
 	private UserSub: Subscription = new Subscription();
 	constructor(
+		private activatedRoute: ActivatedRoute,
 		public fullnodeService: FullnodeService,
 		private router: Router,
 		public userService: UserService
 	){
+		//this.fullnodeService.getAddr();
 	}
 
 	ngOnInit(){
-		this.fullnodeService.getMemos();
-		this.fullnodeService.getAddr();
-		var nodeAddr = this.fullnodeService.addrUpdate;
-		var localToken = localStorage.getItem('s4z_token');
-		console.log(localToken);
-		if(localToken == null){
-			var token = uuidv4();
-			localStorage.setItem('s4z_token', token);
-			console.log('Showing QR code for login');
-			console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token))));
-			var codeString = `zcash:${nodeAddr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
-			console.log(codeString);
-			var qrcode = new QRCode(document.getElementById("qrcode"), {
-				text: codeString,
-				logo: "/assets/zcash.png",
-				logoWidth: 80,
-				logoHeight: 80
-			});
-		} else {
-			this.userService.getUser(localToken);
-			this.userService.getZaddrUpdateListener().
-				subscribe((userAddr: string) => {
-				if (userAddr.length != 0) {
-					console.log('Log in found!');
-					//this.router.navigate(['/view']);
-				} else {
-					console.log('No login for existing token found');
-					console.log('Showing QR code for login');
-					//console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken))));
-					var codeString = `zcash:${nodeAddr}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken!)))}`;
-					console.log(codeString);
-					var qrcode = new QRCode(document.getElementById("qrcode"), {
-						text: codeString,
-						logo: "/assets/zcash.png",
-						logoWidth: 80,
-						logoHeight: 80
-					});
-				}
-			});
-		}
+		console.log('Activated route data in Component:::', this.activatedRoute.data);
+		this.activatedRoute.data.subscribe((addrData) => {
+			console.log('FETCH ADDRESS', addrData);
+			this.nodeAddress = addrData.response.addr;
+			console.log('Node addres ', this.nodeAddress);
+			var localToken = localStorage.getItem('s4z_token');
+			console.log(localToken);
+			if(localToken == null){
+				var token = uuidv4();
+				localStorage.setItem('s4z_token', token);
+				console.log('Showing QR code for login');
+				console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token))));
+				var codeString = `zcash:${this.nodeAddress}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(token)))}`;
+				console.log(codeString);
+				var qrcode = new QRCode(document.getElementById("qrcode"), {
+					text: codeString,
+					logo: "/assets/zcash.png",
+					logoWidth: 80,
+					logoHeight: 80
+				});
+			} else {
+				//this.userService.getUser(localToken);
+				this.userService.uZaddrUpdate.
+					subscribe((userAddr: string) => {
+					if (userAddr.length != 0) {
+						console.log('Log in found!');
+						this.router.navigate(['/view']);
+					} else {
+						console.log('No login for existing token found');
+						console.log('Showing QR code for login');
+						//console.log(URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken))));
+						var codeString = `zcash:${this.nodeAddress}?amount=0.001&memo=${URLSafeBase64.encode(Buffer.from('S4ZEC::'.concat(localToken!)))}`;
+						console.log(codeString);
+						var qrcode = new QRCode(document.getElementById("qrcode"), {
+							text: codeString,
+							logo: "/assets/zcash.png",
+							logoWidth: 80,
+							logoHeight: 80
+						});
+					}
+				});
+			}
+		});
 	}
 
 	ngOnDestroy(){

src/app/namedialog/namedialog.component.html

@@ -1,5 +1,7 @@
+<!-- TODO: get this dialog working right-->
 <h2 mat-dialog-title>Set the name of your business</h2>
-<form (submit)="save(nameForm)" #nameForm="NgForm">
+<main>
+<form (submit)="save(nameForm)" #nameForm="ngForm">
 <mat-dialog-content>
 	<mat-form-field>
 		<input matInput type="text" name="bizname" placeholder="Bubba's Bakery" ngModel required #bizname="ngModel">
@@ -12,3 +14,4 @@
 	<button class="mat-raised-button mat-primary" type="submit">Save</button>
 </mat-dialog-actions>
 </form>
+</main>

src/app/node-resolver.service.ts

@@ -0,0 +1,23 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Resolve } from '@angular/router';
+import { Observable, of } from 'rxjs';
+import { catchError } from 'rxjs/operators';
+
+import { FullnodeService} from './fullnode.service';
+
+@Injectable({
+	providedIn: 'root'
+})
+
+export class NodeResolverService implements Resolve<any> {
+	constructor(private fullnode: FullnodeService) {}
+
+	resolve(route: ActivatedRouteSnapshot): Observable<any> {
+		console.log('Called getAddr in resolver...', route);
+		return this.fullnode.getAddr().pipe(
+			catchError(error => {
+				return of('No data');
+			})
+		);
+	}
+}

src/app/user.model.ts

@@ -1,5 +1,5 @@
 export interface User {
-	_id: string;
+	_id?: string;
 	address: string;
 	session: string;
 	blocktime: number;

src/app/user.service.ts

@@ -1,5 +1,5 @@
 import {Injectable} from '@angular/core';
-import {Subject} from 'rxjs';
+import {Subject, BehaviorSubject, Observable} from 'rxjs';
 import {HttpClient, HttpParams} from '@angular/common/http';
 import {User} from './user.model';
 import {Owner} from './owner.model';
@@ -7,16 +7,39 @@ import {Owner} from './owner.model';
 @Injectable({providedIn: 'root'})
 
 export class UserService{
+	private dataStore: { user: User} = { user: { address: '', session: '', blocktime: 0 }};
 	private uZaddr = '';
 	private oZaddr = '';
 	private uName = '';
 	private session: string | null = '';
-	private uZaddrUpdated = new Subject<string>();
+	private _uZaddrUpdated: BehaviorSubject<string> = new BehaviorSubject(this.uZaddr);
 	private uNameUpdated = new Subject<string>();
 	private ownerUpdated = new Subject<Owner>();
+	public readonly uZaddrUpdate: Observable<string> = this._uZaddrUpdated.asObservable();
 
 	constructor(private http: HttpClient){
 		this.session = localStorage.getItem('s4z_token');
+		if (this.session != null) {
+			this.findUser(this.session);
+		}
+	}
+
+	findUser(session: string) {
+		const params = new HttpParams().append('session', session);
+		let obs = this.http.get<{message: string, user: any}>('http://localhost:3000/api/getuser', { headers:{}, params: params, observe: 'response'});
+
+		obs.subscribe((UserDataResponse) => {
+			console.log(UserDataResponse.status);
+			if (UserDataResponse.status == 200){
+				this.dataStore.user = UserDataResponse.body!.user[0];
+				console.log(`US: Found user, returning it`);
+				this._uZaddrUpdated.next(Object.assign({},this.dataStore).user.address);
+			} else {
+				console.log('US: Did not find user');
+			}
+		});
+
+		return obs;
 	}
 	
 	addUser(address: string, session: string, blocktime: number) {
@@ -55,10 +78,10 @@ export class UserService{
 			if (UserDataResponse.status == 200){
 				this.uZaddr = UserDataResponse.body!.user[0].address;
 				console.log(`US: Found user, returning zaddr ${this.uZaddr}`);
-				this.uZaddrUpdated.next(this.uZaddr);
+				this._uZaddrUpdated.next(this.uZaddr);
 			} else {
 				console.log('US: Did not find user');
-				this.uZaddrUpdated.next('');
+				this._uZaddrUpdated.next('');
 			}
 		});
 
@@ -84,7 +107,7 @@ export class UserService{
 	getName() {
 		if (this.session != null) {
 			this.getUser(this.session);
-			this.uZaddrUpdated.subscribe((addr: string) => {
+			this._uZaddrUpdated.subscribe((addr: string) => {
 				console.log(`  US: ${addr}`);
 				this.getOwner(addr);
 			});
@@ -95,9 +118,9 @@ export class UserService{
 		return this.uNameUpdated;
 	}
 
-	getZaddrUpdateListener() {
-		return this.uZaddrUpdated;
-	}
+	//getZaddrUpdateListener() {
+		//return this.uZaddrUpdated;
+	//}
 
 	getOwnerUpdateListener() {
 		return this.ownerUpdated;

src/app/viewer/viewer.component.html

@@ -1,4 +1,6 @@
 <!--<app-header></app-header>-->
 <div align="center">
 	<h1>{{message}}</h1>
+	<br>
+	{{addrUpdate | async}}
 </div>

src/app/viewer/viewer.component.ts

@@ -3,8 +3,8 @@ import { CanActivate, Router, RouterStateSnapshot, ActivatedRouteSnapshot } from
 import { MatDialog, MatDialogConfig } from '@angular/material/dialog';
 import { UserService } from '../user.service';
 import { FullnodeService } from '../fullnode.service';
-//import { NameDialogComponent } from '../namedialog/namedialog.component';
-import { Subscription } from 'rxjs';
+//import { NameDialogComponent } from '../namedialog/namedialog.component'; // TODO: connect dialog
+import { Subscription, Observable } from 'rxjs';
 
 import {Owner} from '../owner.model';
 //import { v4 as uuidv4 } from 'uuid';
@@ -23,6 +23,7 @@ export class ViewerComponent implements OnInit {
 	public message: string = "Welcome to the inside!";
 	private UserSub: Subscription = new Subscription();
 	private OwnerSub: Subscription = new Subscription();
+	public addrUpdate: Observable<string>;
 
 	constructor(
 		public fullnodeService: FullnodeService,
@@ -30,23 +31,11 @@ export class ViewerComponent implements OnInit {
 		public userService: UserService,
 		private dialog: MatDialog
 	){
+		this.addrUpdate = fullnodeService.addrUpdate;
 	}
 
 	ngOnInit(){
 
-		this.userService.getName();
-		this.UserSub = this.userService.getNameUpdateListener().
-			subscribe((name) => {
-			if (name.length == 0) {
-				console.log(name);
-				this.OwnerSub = this.userService.getZaddrUpdateListener().
-					subscribe((addr) => {
-					//this.openDialog(addr);
-				});
-			} else {
-				this.message = name;
-			}
-		});
 	}
 
 	ngOnDestroy(){