Merge pull request #153 from raj-rathod/rajesh

feat:<Next Previous Route> #152 next and previous route feature add

Author: raj-rathod

src/app/app.component.html

@@ -6,5 +6,6 @@
             <router-outlet></router-outlet>
         </div>
     </div>
+    <app-previous-next-route></app-previous-next-route>
     <app-footer></app-footer>
 </div>

src/app/app.module.ts

@@ -14,6 +14,7 @@ import { PageNotFoundComponent } from './layout/page-not-found/page-not-found.co
 import { ServiceWorkerModule } from '@angular/service-worker';
 import { environment } from '../environments/environment';
 import { BreadcrumbsComponent } from './layout/breadcrumbs/breadcrumbs.component';
+import { PreviousNextRouteComponent } from './layout/previous-next-route/previous-next-route.component';
 
 
 @NgModule({
@@ -26,6 +27,7 @@ import { BreadcrumbsComponent } from './layout/breadcrumbs/breadcrumbs.component
     NavbarComponent,
     PageNotFoundComponent,
     BreadcrumbsComponent,
+    PreviousNextRouteComponent,
   ],
   imports: [
     FormsModule,

src/app/layout/breadcrumbs/breadcrumbs.component.ts

@@ -1,4 +1,4 @@
-import { Component, ElementRef, OnInit } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { NavigationEnd, Router, Event as NavigationEvent } from '@angular/router';
 import { Helper } from 'src/app/helper/helper';
 import { RouterLinkData } from 'src/app/shared/interfaces/meta-data.interface';
@@ -13,7 +13,6 @@ export class BreadcrumbsComponent implements OnInit {
   selectedRoute = -1;
   constructor(
     private router: Router,
-    private elRef: ElementRef,
   ) { }
 
   ngOnInit(): void {

src/app/layout/footer/footer.component.css

@@ -1,5 +1,5 @@
 .margin-top{
-    margin-top: 90px;
+    margin-top: 20px;
 }
 .social-media{
     background: white;
@@ -23,6 +23,7 @@
     color: black !important;
     text-decoration: none;
 }
+
 @media(max-width:992px) {
     .image-size{
         width: 150px;

src/app/layout/previous-next-route/previous-next-route.component.css

@@ -0,0 +1,3 @@
+.margin-top{
+    margin-top: 70px;
+}

src/app/layout/previous-next-route/previous-next-route.component.html

@@ -0,0 +1,10 @@
+<div class="container margin-top">
+    <div class="d-flex justify-content-between" *ngIf="selectedRoute > -1">
+        <div class="box p-lg-2 p-1 px-lg-3 px-2 tab" (click)="previousRoute()">
+            <p class="m-0">Previous</p>
+        </div>
+        <div class="box p-lg-2 p-1 px-lg-3 px-2 tab" (click)="nextRoute()">
+            <p class="m-0">Next</p>
+        </div>
+    </div>
+</div>

src/app/layout/previous-next-route/previous-next-route.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PreviousNextRouteComponent } from './previous-next-route.component';
+
+describe('PreviousNextRouteComponent', () => {
+  let component: PreviousNextRouteComponent;
+  let fixture: ComponentFixture<PreviousNextRouteComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ PreviousNextRouteComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PreviousNextRouteComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/layout/previous-next-route/previous-next-route.component.ts

@@ -0,0 +1,46 @@
+import { Component, OnInit } from '@angular/core';
+import { NavigationEnd, Router, Event as NavigationEvent } from '@angular/router';
+import { Helper } from 'src/app/helper/helper';
+import { RouterLinkData } from 'src/app/shared/interfaces/meta-data.interface';
+
+@Component({
+  selector: 'app-previous-next-route',
+  templateUrl: './previous-next-route.component.html',
+  styleUrls: ['./previous-next-route.component.css']
+})
+export class PreviousNextRouteComponent implements OnInit {
+  routersData: RouterLinkData[] = Helper.allRoutesData();
+  selectedRoute = -1;
+  constructor(
+    private router: Router,
+  ) { }
+
+  ngOnInit(): void {
+    this.router.events
+    .subscribe(
+      (event: NavigationEvent) => {
+        if(event instanceof NavigationEnd) {
+          const url = event.url;
+          const index = this.routersData.findIndex(data => data.route === url);
+          this.selectedRoute = index;
+        }
+      });
+  }
+
+  previousRoute(): void{
+    if(this.selectedRoute-1 > -1){
+      this.router.navigate([this.routersData[this.selectedRoute-1].route]);
+    }else{
+      this.router.navigate(['/']);
+    }
+  }
+
+  nextRoute(): void{
+    if((this.selectedRoute + 1) < this.routersData.length){
+      this.router.navigate([this.routersData[this.selectedRoute+1].route]);
+    }else{
+      this.router.navigate([this.routersData[this.selectedRoute].route]);
+    }
+  }
+
+}