Implemented features.

src/app/app-routing.module.ts

@@ -1,11 +1,11 @@
 import {NgModule} from '@angular/core';
 import {RouterModule, Routes} from '@angular/router';
-import {SentimentComponent} from "./pages/sentiment/sentiment.component";
+import {SentimentPageComponent} from "./pages/sentiment-page/sentiment-page.component";
 import {LandingPageComponent} from "./pages/landing-page/landing-page.component";
 
 const routes: Routes = [
 
-  {path: 'sentiment/:symbol', component: SentimentComponent},
+  {path: 'sentiment/:symbol', component: SentimentPageComponent},
   {path: '**', component: LandingPageComponent}
 ];
 

src/app/app.component.css

@@ -0,0 +1,4 @@
+.content {
+  max-width: 60rem;
+  margin: auto;
+ }

src/app/app.component.html

@@ -1 +1,3 @@
-<router-outlet></router-outlet>
+<div class="content">
+  <router-outlet></router-outlet>
+</div>

src/app/app.module.ts

@@ -4,7 +4,7 @@ import {BrowserModule} from '@angular/platform-browser';
 import {AppRoutingModule} from './app-routing.module';
 import {AppComponent} from './app.component';
 import {HttpClientModule} from "@angular/common/http";
-import {SentimentComponent} from './pages/sentiment/sentiment.component';
+import {SentimentPageComponent} from './pages/sentiment-page/sentiment-page.component';
 import {LandingPageComponent} from './pages/landing-page/landing-page.component';
 import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
 import {MatCardModule} from "@angular/material/card";
@@ -13,18 +13,25 @@ import {MatButtonModule} from "@angular/material/button";
 import {MatInputModule} from "@angular/material/input";
 import {MatDividerModule} from "@angular/material/divider";
 import {FormsModule} from "@angular/forms";
-import {MatProgressSpinnerModule} from "@angular/material/progress-spinner";
 import {MatSnackBarModule} from "@angular/material/snack-bar";
 import {MatGridListModule} from "@angular/material/grid-list";
-import { StockCardComponent } from './components/stock-card/stock-card.component';
+import {StockCardComponent} from './components/stock-card/stock-card.component';
 import {MatIconModule} from "@angular/material/icon";
+import {SentimentCardComponent} from './components/sentiment-card/sentiment-card.component';
+import {TendencyComponent} from './components/tendency/tendency.component';
+import {SentimentComponent} from './components/sentinment/sentiment.component';
+import { MonthPipe } from './pipes/month.pipe';
 
 @NgModule({
   declarations: [
     AppComponent,
-    SentimentComponent,
+    SentimentPageComponent,
     LandingPageComponent,
-    StockCardComponent
+    StockCardComponent,
+    SentimentCardComponent,
+    TendencyComponent,
+    SentimentComponent,
+    MonthPipe
   ],
   imports: [
     FormsModule,

src/app/components/sentiment-card/sentiment-card.component.css

@@ -0,0 +1,12 @@
+.mat-card {
+  margin: 1rem 0;
+  height: 14rem;
+  line-height: 2rem;
+  font-size: 16px;
+}
+
+.grid-container {
+  display: grid;
+  grid-template-columns: auto auto auto;
+  padding: 10px;
+}

src/app/components/sentiment-card/sentiment-card.component.html

@@ -0,0 +1,21 @@
+<mat-card *ngIf="loaded; else loading">
+  <ng-container>
+    <mat-card-title>{{company.description}} ({{company.symbol}})</mat-card-title>
+    <mat-card-content>
+      <div class="grid-container content">
+        <div class="grid-item" *ngFor="let insiderSentiment of insiderSentiments ">
+          <app-sentiment [month]="insiderSentiment.month"
+                         [change]="insiderSentiment.change"
+                         [mspr]="insiderSentiment.mspr"></app-sentiment>
+        </div>
+      </div>
+    </mat-card-content>
+  </ng-container>
+</mat-card>
+
+<ng-template #loading>
+  <mat-card>
+    <mat-card-title>Loading...</mat-card-title>
+    <mat-card-content></mat-card-content>
+  </mat-card>
+</ng-template>

src/app/components/sentiment-card/sentiment-card.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SentimentCardComponent } from './sentiment-card.component';
+
+describe('SentimentCardComponent', () => {
+  let component: SentimentCardComponent;
+  let fixture: ComponentFixture<SentimentCardComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ SentimentCardComponent ]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(SentimentCardComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/sentiment-card/sentiment-card.component.ts

@@ -0,0 +1,46 @@
+import {Component, Input, OnDestroy, OnInit} from '@angular/core';
+import {Company, InsiderSentimentData} from "../../model/company-data";
+import {FinnhubService} from "../../services/finnhub.service";
+import {Subscription} from "rxjs";
+
+@Component({
+  selector: 'app-sentiment-card',
+  templateUrl: './sentiment-card.component.html',
+  styleUrls: ['./sentiment-card.component.css']
+})
+export class SentimentCardComponent implements OnInit, OnDestroy {
+
+  @Input()
+  symbol = '';
+
+  loaded = false;
+  company!: Company;
+  insiderSentiments!: Array<InsiderSentimentData>;
+
+  private loadedSubs = 0;
+  private subs: Subscription[] = [];
+
+  constructor(private finnhubService: FinnhubService) {
+
+  }
+
+  ngOnInit(): void {
+    this.subs.push(this.finnhubService.getCompany(this.symbol).subscribe(value => {
+      this.company = value;
+      this.loaded = ++this.loadedSubs == this.subs.length;
+    }));
+
+    let current = new Date()
+    let from = new Date(current.getFullYear(), current.getMonth() - 3, 1);
+    let to = new Date(current.getFullYear(), current.getMonth() - 1, 1);
+
+    this.subs.push(this.finnhubService.getInsideSentiment(this.symbol, from, to).subscribe(value => {
+      this.insiderSentiments = value.data;
+      this.loaded = ++this.loadedSubs == this.subs.length;
+    }));
+  }
+
+  ngOnDestroy(): void {
+    this.subs.forEach(s => s.unsubscribe());
+  }
+}

src/app/components/sentinment/sentiment.component.css

@@ -0,0 +1,10 @@
+.grid-container {
+  display: grid;
+  grid-template-columns: auto auto;
+  padding: 10px;
+}
+
+.grid-item .label {
+  font-weight: bold;
+  margin: 1rem;
+}

src/app/components/sentinment/sentiment.component.html

@@ -0,0 +1,11 @@
+<div class="grid-container ">
+  <div class="grid-item">
+    <p><span class="label">{{month | month }}</span></p>
+    <p><span class="label">Change:</span><span class="value">{{change | number: '1.0-0'}}</span></p>
+    <p><span class="label">MSPR:</span><span class="value">{{mspr | number: '1.2-2'}}</span></p>
+  </div>
+  <div class="grid-item">
+    <app-tendency [value]="change"></app-tendency>
+  </div>
+</div>
+

src/app/components/sentinment/sentiment.component.spec.ts

@@ -2,7 +2,7 @@ import { ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { SentimentComponent } from './sentiment.component';
 
-describe('SentimentComponent', () => {
+describe('SentinmentComponent', () => {
   let component: SentimentComponent;
   let fixture: ComponentFixture<SentimentComponent>;
 

src/app/components/sentinment/sentiment.component.ts

@@ -1,5 +1,4 @@
-import { Component, OnInit } from '@angular/core';
-import {FinnhubService} from "../../services/finnhub.service";
+import {Component, Input, OnInit} from '@angular/core';
 
 @Component({
   selector: 'app-sentiment',
@@ -8,9 +7,19 @@ import {FinnhubService} from "../../services/finnhub.service";
 })
 export class SentimentComponent implements OnInit {
 
-  constructor(private finnhubService: FinnhubService) { }
+  @Input()
+  month!: number;
+
+  @Input()
+  change!: number;
+
+  @Input()
+  mspr!: number;
+
+
+  constructor() { }
 
   ngOnInit(): void {
-  }
 
+  }
 }

src/app/components/stock-card/stock-card.component.css

@@ -1,16 +1,24 @@
 .mat-card {
-  margin: 1rem;
+  margin: 1rem 0;
+  height: 14rem;
+  line-height: 2rem;
+  font-size: 16px;
 }
 
-.mat-card-title .mat-icon {
+a.remove {
   cursor: pointer;
   float: right;
 }
 
-.mat-grid-tile .mat-icon {
-  font-size: 4rem;
-  height: 4rem;
-  width: 4rem;
+.grid-container {
+  display: grid;
+  grid-template-columns: auto auto;
+  padding: 10px;
+}
+
+.grid-item .label {
+  font-weight: bold;
+  margin: 1rem;
 }
 
 

src/app/components/stock-card/stock-card.component.html

@@ -1,27 +1,54 @@
-<mat-card>
+<mat-card *ngIf="loaded; else loading">
+
   <mat-card-title>{{company.description}} ({{company.symbol}})
-    <mat-icon (click)="remove()" fontIcon="close"></mat-icon>
+    <a (click)="remove()" id="{{'remove'+ company.symbol}}" class="remove">
+      <mat-icon fontIcon="close"></mat-icon>
+    </a>
   </mat-card-title>
+
+
   <mat-card-content>
-    <ng-container *ngIf="getQuote() | async; let quote">
-      <mat-grid-list cols="4" rowHeight="4:1">
 
-        <mat-grid-tile colspan="2"></mat-grid-tile>
-        <mat-grid-tile colspan="2" rowspan="3">
-          <mat-icon *ngIf="quote.dp>0" color="primary" fontIcon="arrow_upward"></mat-icon>
-          <mat-icon *ngIf="quote.dp<0" color="warn" fontIcon="arrow_downward"></mat-icon>
-          <mat-icon *ngIf="quote.dp==0" fontIcon="east"></mat-icon>
-        </mat-grid-tile>
+    <div class="grid-container content">
+      <div class="grid-item">
+        <div class="grid-container values">
+          <div class="grid-item">
+            <span class="label">Change today:</span>
+            <span class="value">{{quote.dp / 100 | percent: '1.1-1'}}</span>
+          </div>
+          <div class="grid-item">
+            <span class="label">Opening price:</span>
+            <span class="value">{{quote.o | currency: 'USD'}}</span>
+          </div>
+          <div class="grid-item">
+            <span class="label">Current price:</span>
+            <span class="value">{{quote.c | currency: 'USD'}}</span>
+          </div>
+          <div class="grid-item">
+            <span class="label">High price:</span>
+            <span class="value">{{quote.h | currency: 'USD'}}</span>
+          </div>
 
-        <mat-grid-tile><p>Change today: {{quote.dp / 100 | percent: '1.1-1'}}</p></mat-grid-tile>
-        <mat-grid-tile><p>Opening price: {{quote.o | currency: 'USD'}}</p></mat-grid-tile>
-        <mat-grid-tile><p>Current price: {{quote.c | currency: 'USD'}}</p></mat-grid-tile>
-        <mat-grid-tile><p>High price: {{quote.h | currency: 'USD'}}</p></mat-grid-tile>
-      </mat-grid-list>
-    </ng-container>
+        </div>
+      </div>
+      <div class="grid-item">
+        <app-tendency [value]="quote.dp"></app-tendency>
+      </div>
+    </div>
   </mat-card-content>
 
   <mat-card-actions align="end">
-    <button mat-button [routerLink]="'/sentiment/' + company.symbol">Go to social sentiment details</button>
+    <button mat-button
+            id="{{'sentiment'+ company.symbol}}"
+            [routerLink]="'/sentiment/' + symbol">Go to social sentiment details
+    </button>
   </mat-card-actions>
+
 </mat-card>
+
+<ng-template #loading>
+  <mat-card>
+    <mat-card-title>Loading...</mat-card-title>
+    <mat-card-content></mat-card-content>
+  </mat-card>
+</ng-template>

src/app/components/stock-card/stock-card.component.ts

@@ -1,7 +1,7 @@
 import {Component, Input, OnDestroy, OnInit} from '@angular/core';
 import {FinnhubService} from "../../services/finnhub.service";
 import {Company, QuoteResponse} from "../../model/company-data";
-import {Subject, Subscription} from "rxjs";
+import {Subscription} from "rxjs";
 import {StorageService} from "../../services/storage.service";
 
 @Component({
@@ -12,9 +12,14 @@ import {StorageService} from "../../services/storage.service";
 export class StockCardComponent implements OnInit, OnDestroy {
 
   @Input()
-  company = {} as Company;
+  symbol = '';
 
-  private _quote$ = new Subject<QuoteResponse>();
+  loaded = false;
+  company!: Company;
+  quote!: QuoteResponse;
+
+
+  private loadedSubs = 0;
   private subs: Subscription[] = [];
 
   constructor(public finnhubService: FinnhubService,
@@ -22,19 +27,22 @@ export class StockCardComponent implements OnInit, OnDestroy {
   }
 
   ngOnInit(): void {
-    this.subs.push(this.finnhubService.getQuote(this.company.symbol).subscribe(value => this._quote$.next(value)));
+    this.subs.push(this.finnhubService.getCompany(this.symbol).subscribe(value => {
+      this.company = value;
+      this.loaded = ++this.loadedSubs == this.subs.length;
+    }));
+    this.subs.push(this.finnhubService.getQuote(this.symbol).subscribe(value => {
+      this.quote = value;
+      this.loaded = ++this.loadedSubs == this.subs.length;
+    }));
   }
 
-  getQuote(): Subject<QuoteResponse> {
-    return this._quote$;
-  }
 
   ngOnDestroy(): void {
     this.subs.forEach(s => s.unsubscribe());
-    this._quote$.complete();
   }
 
   remove() {
-    this.storageService.remove(this.company.symbol);
+    this.storageService.remove(this.symbol);
   }
 }

src/app/components/tendency/tendency.component.css

@@ -0,0 +1,6 @@
+.mat-icon {
+  font-size: 6rem;
+  height: 100%;
+  width: 100%;
+  text-align: center;
+}

src/app/components/tendency/tendency.component.html

@@ -0,0 +1,3 @@
+<mat-icon *ngIf="value>0" color="primary" fontIcon="arrow_upward"></mat-icon>
+<mat-icon *ngIf="value<0" color="warn" fontIcon="arrow_downward"></mat-icon>
+<mat-icon *ngIf="value==0" fontIcon="east"></mat-icon>

src/app/components/tendency/tendency.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TendencyComponent } from './tendency.component';
+
+describe('TendencyComponent', () => {
+  let component: TendencyComponent;
+  let fixture: ComponentFixture<TendencyComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ TendencyComponent ]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(TendencyComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/components/tendency/tendency.component.ts

@@ -0,0 +1,19 @@
+import {Component, Input, OnInit} from '@angular/core';
+
+@Component({
+  selector: 'app-tendency',
+  templateUrl: './tendency.component.html',
+  styleUrls: ['./tendency.component.css']
+})
+export class TendencyComponent implements OnInit {
+
+  @Input()
+  value!: number;
+
+  constructor() { }
+
+  ngOnInit(): void {
+
+  }
+
+}

src/app/model/company-data.ts

@@ -19,3 +19,18 @@ export interface QuoteResponse {
   o: number;
   pc: number;
 }
+
+export interface InsiderSentimentData {
+  symbol: string;
+  year: number;
+  month: number;
+  change: number;
+  mspr: number;
+}
+
+export interface InsiderSentimentResponse {
+  data: Array<InsiderSentimentData>;
+  symbol: string;
+}
+
+

src/app/pages/landing-page/landing-page.component.css

@@ -1,7 +1,11 @@
-.mat-card {
-  margin: 1rem;
+.search-box {
+  padding: 0;
 }
 
-.mat-divider {
-  margin: 0 1rem;
+.mat-form-field {
+  margin-right: 1rem;
+}
+
+.mat-card {
+  margin: 1rem 0;
 }

src/app/pages/landing-page/landing-page.component.html

@@ -1,26 +1,28 @@
 <mat-card>
   <mat-card-content>
-    <p>
-      Enter the symbol of a stock to track (i.e. AAPL, TSLA, GOOGL)
-    </p>
+    <div class="search-box">
+      <p>
+        Enter the symbol of a stock to track (i.e. AAPL, TSLA, GOOGL)
+      </p>
 
-    <mat-form-field>
-      <input id="stockInput"
-             matInput
-             [(ngModel)]="symbol"/>
-    </mat-form-field>
+      <mat-form-field>
+        <input id="stockInput"
+               matInput
+               [(ngModel)]="symbolInput"/>
+      </mat-form-field>
 
-    <button id="trackBtn"
-            mat-stroked-button
-            color="primary"
-            [disabled]="disabled"
-            (click)="addSymbol()">Track Stock
-    </button>
+      <button id="trackBtn"
+              mat-stroked-button
+              color="primary"
+              [disabled]="disabled"
+              (click)="addSymbol()">Track Stock
+      </button>
+    </div>
   </mat-card-content>
 </mat-card>
 
 <mat-divider></mat-divider>
 
-<ng-container *ngFor="let company of storageService.get() | async ">
-  <app-stock-card [company]="company"></app-stock-card>
+<ng-container *ngFor="let symbol of storageService.get() | async ">
+  <app-stock-card [symbol]="symbol"></app-stock-card>
 </ng-container>

src/app/pages/landing-page/landing-page.component.ts

@@ -10,7 +10,7 @@ import {MatSnackBar} from "@angular/material/snack-bar";
 })
 export class LandingPageComponent implements OnInit {
 
-  symbol = '';
+  symbolInput = '';
   disabled = false;
 
   constructor(public finnhubService: FinnhubService,
@@ -24,29 +24,16 @@ export class LandingPageComponent implements OnInit {
 
 
   addSymbol() {
-    console.log('search for ' + this.symbol)
 
     // start loading...
     this.disabled = true;
-    this.finnhubService.searchSymbol(this.symbol).subscribe(value => {
-
-      if (value.count > 0) {
-
-        let company = value.result.find(company => company.symbol == this.symbol);
-        if (company) {
-          this.storageService.add(company);
-          this.symbol = '';
-        } else {
-          this.snackBar.open('No unique result', 'close', {duration: 10000});
-        }
-
-        this.disabled = false
-      } else {
-        this.snackBar.open('No result', 'close', {duration: 10000});
-        this.disabled = false
-      }
-    }, (error) => {
-      this.snackBar.open('Communication error', 'close', {duration: 10000});
+    this.finnhubService.getCompany(this.symbolInput).subscribe(value => {
+      this.storageService.add(value.symbol);
+      this.symbolInput = '';
+      this.disabled = false;
+    }, (error: string) => {
+      this.snackBar.open(error, 'close', {duration: 10000});
+      this.disabled = false;
     });
   }
 }

src/app/pages/sentiment-page/sentiment-page.component.css

@@ -0,0 +1,3 @@
+.mat-card {
+  margin: 1rem 0;
+}

src/app/pages/sentiment-page/sentiment-page.component.html

@@ -0,0 +1,5 @@
+<ng-container *ngFor="let symbol of _symbols$ | async ">
+  <app-sentiment-card [symbol]="symbol"></app-sentiment-card>
+</ng-container>
+
+<button mat-button id="backBtn" [routerLink]="'/'">Back to list of stocks</button>

src/app/pages/sentiment-page/sentiment-page.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SentimentPageComponent } from './sentiment-page.component';
+
+describe('SentimentComponent', () => {
+  let component: SentimentPageComponent;
+  let fixture: ComponentFixture<SentimentPageComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ SentimentPageComponent ]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(SentimentPageComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/pages/sentiment-page/sentiment-page.component.ts

@@ -0,0 +1,25 @@
+import {Component, OnInit} from '@angular/core';
+import {ActivatedRoute} from "@angular/router";
+import {BehaviorSubject} from "rxjs";
+import {StorageService} from "../../services/storage.service";
+
+@Component({
+  selector: 'app-sentiment-page',
+  templateUrl: './sentiment-page.component.html',
+  styleUrls: ['./sentiment-page.component.css']
+})
+export class SentimentPageComponent implements OnInit {
+
+  _symbols$ = new BehaviorSubject<string[]>([]);
+
+  constructor(private route: ActivatedRoute,
+              private storageService: StorageService) {
+  }
+
+  ngOnInit(): void {
+
+    this.route.params.subscribe(params => {
+      this._symbols$.next([params['symbol']]);
+    });
+  }
+}

src/app/pages/sentiment/sentiment.component.html

@@ -1,4 +0,0 @@
-<p>sentiment works!</p>
-
-
-<button mat-button [routerLink]="'/'">Back to list of stocks</button>

src/app/pipes/month.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { MonthPipe } from './month.pipe';
+
+describe('MonthPipe', () => {
+  it('create an instance', () => {
+    const pipe = new MonthPipe();
+    expect(pipe).toBeTruthy();
+  });
+});

src/app/pipes/month.pipe.ts

@@ -0,0 +1,16 @@
+import { Pipe, PipeTransform } from '@angular/core';
+import {formatDate} from "@angular/common";
+
+@Pipe({
+  name: 'month'
+})
+export class MonthPipe implements PipeTransform {
+
+  transform(value: number): unknown {
+
+    let date = new Date();
+    date.setMonth(value);
+    return formatDate(date, 'MMMM','en-US');
+  }
+
+}

src/app/services/finnhub.service.ts

@@ -1,7 +1,8 @@
 import { Injectable } from '@angular/core';
 import {HttpClient} from "@angular/common/http";
-import {Observable} from "rxjs";
-import {QuoteResponse, SearchResponse} from "../model/company-data";
+import {catchError, from, map, Observable} from "rxjs";
+import {Company, InsiderSentimentResponse, QuoteResponse, SearchResponse} from "../model/company-data";
+import {formatDate} from "@angular/common";
 
 @Injectable({
   providedIn: 'root'
@@ -12,7 +13,7 @@ export class FinnhubService {
   private readonly api = 'https://finnhub.io/api/v1';
   private readonly apiQuote = this.api + '/quote';
   private readonly apiSearch = this.api + '/search';
-
+  private readonly apiSentiment = this.api + '/stock/insider-sentiment';
 
 
   constructor(private httpClient: HttpClient) { }
@@ -21,9 +22,37 @@ export class FinnhubService {
     return this.httpClient.get<SearchResponse>(this.apiSearch, {params: { ...this.token, q }});
   }
 
-  getQuote(symbol: string) {
+  getCompany(symbol: string): Observable<Company> {
+    return this.searchSymbol(symbol).pipe(map(value => {
+      if (value.count > 0) {
+        let company = value.result.find(company => company.symbol == symbol);
+        if (company) {
+          return company;
+        } else {
+          throw new Error('No unique result');
+        }
+      } else {
+        throw new Error('No result');
+      }
+    }), catchError((err: Error, caught) => {
+      throw new Error(err.message);
+    }));
+  }
+
+  getQuote(symbol: string): Observable<QuoteResponse> {
     return this.httpClient.get<QuoteResponse>(this.apiQuote, {params: { ...this.token, symbol }});
   }
+
+  getInsideSentiment(symbol: string, fromDate: Date, toDate: Date): Observable<InsiderSentimentResponse> {
+
+
+
+
+    let from = formatDate(fromDate,'yyyy-MM-dd','en-US');
+    let to = formatDate(toDate,'yyyy-MM-dd','en-US');
+
+    return this.httpClient.get<InsiderSentimentResponse>(this.apiSentiment, {params: { ...this.token, symbol, from, to }});
+  }
 }
 
 

src/app/services/storage.service.ts

@@ -1,28 +1,26 @@
 import {Injectable, OnDestroy} from '@angular/core';
 import {BehaviorSubject} from "rxjs";
-import {Company} from "../model/company-data";
 
 @Injectable({
   providedIn: 'root'
 })
 export class StorageService implements OnDestroy {
 
-  private storage: Company[] = [];
-
-  private _storage$ = new BehaviorSubject<Company[]>([]);
+  private storage: string[] = [];
+  private _storage$ = new BehaviorSubject<string[]>([]);
 
   constructor() {
   }
 
-  add(company: Company): void {
-    this.storage.push(company);
+  add(symbol: string): void {
+    this.storage.push(symbol);
     this._storage$.next(this.storage)
   }
 
   remove(symbol: string): void {
     console.log('Remove ' + symbol)
 
-    let index = this.storage.findIndex(company => company.symbol == symbol);
+    let index = this.storage.findIndex(item => item == symbol);
     if (index > -1) {
       this.storage.splice(index, 1);
     }
@@ -31,7 +29,7 @@ export class StorageService implements OnDestroy {
     this._storage$.next(this.storage)
   }
 
-  get(): BehaviorSubject<Company[]> {
+  get(): BehaviorSubject<string[]> {
     return this._storage$;
   }
 

src/styles.css

@@ -1,4 +1,10 @@
 /* You can add global styles to this file, and also import other style files */
 
-html, body { height: 100%; }
-body { margin: 0; font-family: Roboto, "Helvetica Neue", sans-serif; }
+html, body {
+  height: 100%;
+}
+
+body {
+  margin: 0;
+  font-family: Roboto, "Helvetica Neue", sans-serif;
+}