Implement user sign-in component

.gitignore

@@ -0,0 +1,12 @@
+coverage/
+dist/
+html-report/
+node_modules/
+typings/
+**/*npm-debug.log.*
+**/*yarn-error.log.*
+.idea/
+.DS_Store
+proxy.config.json
+*.log
+**/*.log

harbor-app/package.json

@@ -4,7 +4,7 @@
     "description": "Angular-CLI starter for a Clarity project",
     "angular-cli": {},
     "scripts": {
-    "start": "ng serve --host 0.0.0.0",
+        "start": "ng serve --host 0.0.0.0 --proxy-config proxy.config.json",
         "lint": "tslint \"src/**/*.ts\"",
         "test": "ng test --single-run",
         "pree2e": "webdriver-manager update",

harbor-app/src/app/account/account.module.ts

@@ -1,5 +1,5 @@
 import { NgModule } from '@angular/core';
-import { SignInComponent } from './sign-in.component';
+import { SignInComponent } from './sign-in/sign-in.component';
 import { SharedModule } from '../shared/shared.module';
 import { RouterModule } from '@angular/router'; 
 

harbor-app/src/app/account/sign-in.component.html

@@ -1,29 +0,0 @@
-<div class="login-wrapper">
-  <form class="login">
-    <label class="title">
-        VMware Harbor<span class="trademark">&#8482;</span>
-    </label>
-    <div class="login-group">
-      <div class="auth-source select">
-        <select id="login-auth-source-1">
-            <option>Local Users</option>
-            <option>Administrator</option>
-        </select>
-      </div>
-      <input class="username" type="text" id="login_username" placeholder="Username">
-      <input class="password" type="password" id="login_password" placeholder="Password">
-      <div class="checkbox">
-        <input type="checkbox" id="rememberme">
-        <label for="rememberme">
-            Remember me
-        </label>
-      </div>
-      <div class="error active">
-        Invalid user name or password
-      </div>
-      <button type="submit" class="btn btn-primary" [routerLink]="['/harbor', 'dashboard']">LOG IN</button>
-      <a href="..." class="signup">Sign up for an account</a>
-    </div>
-  </form>
-</div>
- 

harbor-app/src/app/account/sign-in.component.ts

@@ -1,10 +0,0 @@
-import { Component } from '@angular/core';
-import { Router } from '@angular/router';
-
-@Component({
-    selector: 'sign-in',
-    templateUrl: "sign-in.component.html"
-})
-export class SignInComponent {
-    // constructor(private router: Router){}
-}

harbor-app/src/app/account/sign-in/sign-in-credential.ts

@@ -0,0 +1,15 @@
+
+/**
+ * Declare class for store the sign in data,
+ * two prperties:
+ *   principal: The username used to sign in
+ *   password: The password used to sign in
+ * 
+ * @export
+ * @class SignInCredential
+ */
+
+export class SignInCredential {
+    principal: string;
+    password: string;
+}

harbor-app/src/app/account/sign-in/sign-in.component.css

@@ -0,0 +1,7 @@
+.progress-size-small {
+    height: 0.5em !important;
+}
+
+.visibility-hidden {
+    visibility: hidden;
+}

harbor-app/src/app/account/sign-in/sign-in.component.html

@@ -0,0 +1,39 @@
+<div class="login-wrapper">
+    <form #signInForm="ngForm" class="login">
+        <label class="title">
+        VMware Harbor<span class="trademark">&#8482;</span>
+    </label>
+        <div class="login-group">
+            <label for="username" aria-haspopup="true" role="tooltip" class="tooltip tooltip-validation tooltip-md tooltip-top-left" [class.invalid]="userNameInput.invalid && (userNameInput.dirty || userNameInput.touched)">
+                <input class="username" type="text" required
+                [(ngModel)]="signInCredential.principal" 
+                name="login_username" id="login_username" placeholder="Username"
+                #userNameInput='ngModel'>
+                <span class="tooltip-content">
+                    Username is required!
+                </span>
+            </label>
+            <label for="username" aria-haspopup="true" role="tooltip" class="tooltip tooltip-validation tooltip-md tooltip-top-left" [class.invalid]="passwordInput.invalid && (passwordInput.dirty || passwordInput.touched)">
+                <input class="password" type="password" required 
+                [(ngModel)]="signInCredential.password" 
+                name="login_password" id="login_password" placeholder="Password" 
+                #passwordInput="ngModel">
+                <span class="tooltip-content">
+                    Password is required!
+                </span>
+            </label>
+            <div class="checkbox">
+                <input type="checkbox" id="rememberme">
+                <label for="rememberme">
+            Remember me
+        </label>
+            </div>
+            <div [class.visibility-hidden]="signInStatus != statusError" class="error active">
+                Invalid user name or password
+            </div>
+            <button [class.visibility-hidden]="signInStatus === statusOnGoing" [disabled]="signInStatus === statusOnGoing" type="submit" class="btn btn-primary" (click)="signIn()">LOG IN</button>
+            <div [class.visibility-hidden]="signInStatus != statusOnGoing" class="progress loop progress-size-small"><progress></progress></div>
+            <a href="javascript:void(0)" class="signup" (click)="signUp()">Sign up for an account</a>
+        </div>
+    </form>
+</div>

harbor-app/src/app/account/sign-in/sign-in.component.ts

@@ -0,0 +1,121 @@
+import { Component } from '@angular/core';
+import { Router } from '@angular/router';
+import { Input, ViewChild, AfterViewChecked } from '@angular/core';
+import { NgForm } from '@angular/forms';
+
+import { SignInService } from './sign-in.service';
+import { SignInCredential } from './sign-in-credential'
+
+//Define status flags for signing in states
+export const signInStatusNormal = 0;
+export const signInStatusOnGoing = 1;
+export const signInStatusError = -1;
+
+@Component({
+    selector: 'sign-in',
+    templateUrl: "sign-in.component.html",
+    styleUrls: ['sign-in.component.css'],
+
+    providers: [SignInService]
+})
+
+export class SignInComponent implements AfterViewChecked {
+    //Form reference
+    signInForm: NgForm;
+    @ViewChild('signInForm') currentForm: NgForm;
+
+    //Status flag
+    signInStatus: number = 0;
+
+    //Initialize sign in credential
+    @Input() signInCredential: SignInCredential = {
+        principal: "",
+        password: ""
+    };
+
+    constructor(
+        private signInService: SignInService,
+        private router: Router
+    ) { }
+
+    //For template accessing
+    get statusError(): number {
+        return signInStatusError;
+    }
+
+    get statusOnGoing(): number {
+        return signInStatusOnGoing;
+    }
+
+    //Validate the related fields
+    private validate(): boolean {
+        return true;
+        //return this.signInForm.valid;
+    }
+
+    //Hande form values changes
+    private formChanged() {
+        if (this.currentForm === this.signInForm) {
+            return;
+        }
+        this.signInForm = this.currentForm;
+        if (this.signInForm) {
+            this.signInForm.valueChanges
+                .subscribe(data => {
+                    this.updateState();
+                });
+        }
+
+    }
+
+    //Implement interface
+    //Watch the view change only when view is in error state
+    ngAfterViewChecked() {
+        if (this.signInStatus === signInStatusError) {
+            this.formChanged();
+        }
+    }
+
+    //Update the status if we have done some changes
+    updateState(): void {
+        if (this.signInStatus === signInStatusError) {
+            this.signInStatus = signInStatusNormal; //reset
+        }
+    }
+
+    //Trigger the signin action
+    signIn(): void {
+        //Should validate input firstly
+        if (!this.validate()) {
+            console.info("return");
+            return;
+        }
+
+        //Start signing in progress
+        this.signInStatus = signInStatusOnGoing;
+
+        //Call the service to send out the http request
+        this.signInService.signIn(this.signInCredential)
+            .then(() => {
+                //Set status
+                this.signInStatus = signInStatusNormal;
+
+                //Routing to the right location
+                let nextRoute = ["/harbor", "dashboard"];
+                this.router.navigate(nextRoute);
+            })
+            .catch(error => {
+                //Set error status
+                this.signInStatus = signInStatusError;
+
+                let message = error.status ? error.status + ":" + error.statusText : error;
+                console.error("An error occurred when signing in:", message);
+            });
+    }
+
+    //Help user navigate to the sign up
+    signUp(): void {
+        let nextRoute = ["/harbor", "signup"];
+        this.router.navigate(nextRoute);
+    }
+}

harbor-app/src/app/account/sign-in/sign-in.service.ts

@@ -0,0 +1,41 @@
+import { Injectable } from '@angular/core';
+import { Headers, Http, URLSearchParams } from '@angular/http';
+import 'rxjs/add/operator/toPromise';
+
+import { SignInCredential } from './sign-in-credential';
+
+const signInUrl = '/login';
+/**
+ * 
+ * Define a service to provide sign in methods
+ * 
+ * @export
+ * @class SignInService
+ */
+@Injectable()
+export class SignInService {
+    private headers = new Headers({
+        "Content-Type": 'application/x-www-form-urlencoded'
+    });
+
+    constructor(private http: Http) {}
+
+    //Handle the related exceptions
+    private handleError(error: any): Promise<any>{
+        return Promise.reject(error.message || error);
+    }
+
+    //Submit signin form to backend (NOT restful service)
+    signIn(signInCredential: SignInCredential): Promise<any>{
+        //Build the form package
+        const body = new URLSearchParams();
+        body.set('principal', signInCredential.principal);
+        body.set('password', signInCredential.password);
+
+        //Trigger Http
+        return this.http.post(signInUrl, body.toString(), { headers: this.headers })
+        .toPromise()
+        .then(()=>null)
+        .catch(this.handleError);
+    }
+}

harbor-app/src/app/account/sign-up.component.html

@@ -0,0 +1 @@
+<p>Placeholder for signup</p>

harbor-app/src/app/harbor-routing.module.ts

@@ -2,7 +2,7 @@ import { NgModule } from '@angular/core';
 
 import { RouterModule, Routes } from '@angular/router';
 
-import { SignInComponent } from './account/sign-in.component';
+import { SignInComponent } from './account/sign-in/sign-in.component';
 
 const harborRoutes: Routes = [
   { path: '', redirectTo: '/sign-in', pathMatch: 'full' },