Added better routing and auto logout on login

Note that this is fully working auth login now

src/app/pages/login.component.ts

@@ -1,18 +1,20 @@
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { Validators, FormBuilder, FormGroup } from '@angular/forms';
 import { Http, Response } from '@angular/http';
 import { ApiService } from '../providers/api-service';
-import {Router } from '@angular/router';
+import { Router, ActivatedRoute } from '@angular/router';
 import 'rxjs/add/operator/map';
 
 @Component({
   templateUrl: 'login.component.html',
   providers: [ApiService]
 })
-export class LoginComponent {
+export class LoginComponent implements OnInit {
   signin: FormGroup;
+  returnUrl: string;
   
   constructor(
+	private route: ActivatedRoute,
 	private http: Http,
 	private formBuilder: FormBuilder,
 	private router: Router,
@@ -24,6 +26,20 @@ export class LoginComponent {
 	  });
   }
   
+  ngOnInit() {
+	  // reset login status
+	  this.api
+		.logout()
+		.subscribe(
+		  result => {
+		    console.log('Logged out!');
+		  }
+		);
+		
+		// get return url from route parameters or default to '/'
+        this.returnUrl = this.route.snapshot.queryParams['returnUrl'] || '/';
+  }
+  
   onSubmit() {
     console.log(this.signin.value);
 	
@@ -32,7 +48,7 @@ export class LoginComponent {
       .subscribe(
         result => {
           console.log('logged in!');
-		  this.router.navigate(['/dashboard'])
+		  this.router.navigate([this.returnUrl]);
         },
         error => {
           console.log( error._body );