Fixes after review

src/app/app.module.ts

@@ -1,7 +1,7 @@
 import * as Raven from 'raven-js';
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule, ErrorHandler } from '@angular/core';
-import { FormsModule } from '@angular/forms';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { CdkTableModule } from "@angular/cdk/table";
 import { HttpClientModule } from '@angular/common/http';
 
@@ -131,6 +131,7 @@ if (environment.production) {
     HttpClientModule,
     AppRoutingModule,
     FormsModule,
+    ReactiveFormsModule,
     BrowserAnimationsModule,
     CdkTableModule,
     MatButtonModule,

src/app/components/projects/import-project-dialog/import-project-dialog.component.css

@@ -1,9 +1,33 @@
+.non-visible {
+    display: none;
+}
+
+.file-button{
+    height: 50px;
+    width: 120px;
+    margin-top: 10px;
+}
+
 .file-name-form {
+    float: right;
+}
+
+.file-name-form-field {
     margin-left: 10px; 
     margin-right: 10px; 
     width:250px;
 }
 
-.non-visible {
+.delete-button {
-    display: none;
+    background: transparent; 
+    border: none; 
+    outline: 0
+}
+
+.delete-icon {
+    vertical-align: "middle";
+}
+
+.result-message-box {
+    margin-top: 10px;
 }

src/app/components/projects/import-project-dialog/import-project-dialog.component.html

@@ -1,26 +1,34 @@
 <h1 mat-dialog-title>Import project</h1>
 <mat-horizontal-stepper #stepper [linear]="true">
   <mat-step label="Choose file" editable="false" completed="false">
+    <div>
       <input type="file" accept=".gns3project, .gns3p" class="non-visible" #file (change)="uploadProjectFile($event)" ng2FileSelect [uploader]="uploader"/>
-    <button mat-raised-button color="primary" (click)="file.click()">Choose file</button>
+      <button mat-raised-button color="primary" (click)="file.click()" class="file-button">Choose file</button>
-    <mat-form-field class="file-name-form">
+      <form [formGroup]="projectNameForm" class="file-name-form">
-      <input matInput tabindex="1" (input)="validateInput()" [(ngModel)]="projectName" placeholder="Please enter name">
+        <mat-form-field class="file-name-form-field">
+          <input matInput type="text" formControlName="projectName"  [ngClass]="{ 'is-invalid': form.projectName.errors }" placeholder="Please enter name" />
+          <mat-error *ngIf="form.projectName.errors && form.projectName.errors.required">Project name is required</mat-error>
+          <mat-error *ngIf="form.projectName.errors && form.projectName.errors.invalidName">Project name is incorrect</mat-error>
         </mat-form-field>
-    <button class="material-icons" (click)="onDeleteClick()">delete</button>
+      <button class="delete-button">
+        <mat-icon color="primary" (click)="onDeleteClick()" class="delete-icon">clear</mat-icon>
+      </button>
       <div class="buttons-bar">
           <button mat-button (click)="onNoClick()" color="accent">Cancel</button>
-      <button mat-button ng-disabled="!isImportEnabled" (click)="onImportClick()" tabindex="2" mat-raised-button color="primary">Import</button>
+          <button mat-button [disabled]="!isImportEnabled" (click)="onImportClick()" tabindex="2" mat-raised-button color="primary">Import</button>
+      </div>
+      </form>
     </div>
   </mat-step>
   <mat-step label="Progress" editable="false" completed="false">
     <div class="progress">
         <div class="progress-bar" role="progressbar" [ngStyle]="{ 'width': uploader.progress + '%' }"></div>
     </div>
-    <div>
+    <div class="result-message-box">
-      <span>{{errorMessage}}</span>
+      <span>{{resultMessage}}</span>
     </div>
     <div class="buttons-bar">
-      <button mat-button ng-disabled="!isFinishEnabled" (click)="onNoClick()" tabindex="2" mat-raised-button color="primary">Finish</button>
+      <button mat-button [disabled]="!isFinishEnabled" (click)="onNoClick()" tabindex="2" mat-raised-button color="primary">Finish</button>
     </div>
   </mat-step>
 </mat-horizontal-stepper>

src/app/components/projects/import-project-dialog/import-project-dialog.component.spec.ts

@@ -1,11 +1,11 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-import { ImportProjectDialogComponent } from "./import-project-dialog.component";
+import { ImportProjectDialogComponent, Validator } from "./import-project-dialog.component";
 import { Server } from "../../../models/server";
 import { MatInputModule, MatIconModule, MatSortModule, MatTableModule, MatTooltipModule, MatDialogModule, MatStepperModule, MatFormFieldModule, MatDialogRef, MatDialog, MAT_DIALOG_DATA } from "@angular/material";
 import { RouterTestingModule } from "@angular/router/testing";
 import { NoopAnimationsModule } from "@angular/platform-browser/animations";
 import { FileUploadModule, FileSelectDirective, FileItem, FileUploader } from "ng2-file-upload";
-import { FormsModule } from '@angular/forms';
+import { FormsModule, ReactiveFormsModule, FormBuilder, FormControl, Validators } from '@angular/forms';
 import { DebugElement } from '@angular/core';
 import { By } from '@angular/platform-browser';
 
@@ -13,9 +13,9 @@ describe('ImportProjectDialogComponent', () => {
     let component: ImportProjectDialogComponent;
     let fixture: ComponentFixture<ImportProjectDialogComponent>;
     let server: Server;
-    let dialog: MatDialog;
     let debugElement: DebugElement;
     let fileSelectDirective: FileSelectDirective;
+    let formBuilder: FormBuilder;
 
     beforeEach(async(() => {
         TestBed.configureTestingModule({
@@ -31,6 +31,7 @@ describe('ImportProjectDialogComponent', () => {
                 NoopAnimationsModule,
                 FileUploadModule,
                 FormsModule,
+                ReactiveFormsModule,
                 RouterTestingModule.withRoutes([]),
             ],
             providers: [
@@ -41,10 +42,10 @@ describe('ImportProjectDialogComponent', () => {
         })
         .compileComponents();
 
-        dialog = TestBed.get(MatDialog);
         server = new Server();
         server.ip = "localhost";
         server.port = 80;
+        formBuilder = new FormBuilder();
     }));
 
     beforeEach(() => {
@@ -52,7 +53,10 @@ describe('ImportProjectDialogComponent', () => {
         debugElement = fixture.debugElement;
         component = fixture.componentInstance;
         component.server = server;
-
+        component.projectNameForm = formBuilder.group({
+            projectName: new FormControl(null, [Validators.required, Validator.projectNameValidator])
+          });
+        component.projectNameForm.controls['projectName'].setValue("ValidName");
         fixture.detectChanges();
 
         debugElement = fixture.debugElement.query(By.directive(FileSelectDirective));
@@ -119,9 +123,9 @@ describe('ImportProjectDialogComponent', () => {
 
     it('should prepare correct upload path for file', () => {
         fileSelectDirective.uploader.queue.push(new FileItem(fileSelectDirective.uploader,new File([],"fileName"),{}));
-        component.projectName = "newProject.gns3";
+        component.projectNameForm.controls['projectName'].setValue("newProject");
 
-        component.prepareUploadPath();
+        component.onImportClick();
 
         expect(fileSelectDirective.uploader.queue[0].url).toContain("localhost:80");
         expect(fileSelectDirective.uploader.queue[0].url).toContain("newProject");
@@ -136,4 +140,30 @@ describe('ImportProjectDialogComponent', () => {
 
         expect(component.stepper.next).toHaveBeenCalled();
     });
+
+    it('should detect if file input is empty', () => {
+        component.projectNameForm.controls['projectName'].setValue("");
+        fixture.detectChanges();
+        spyOn(component.stepper, "next");
+        spyOn(fileSelectDirective.uploader, 'uploadItem');
+
+        component.onImportClick();
+
+        expect(component.stepper.next).not.toHaveBeenCalled();
+        expect(fileSelectDirective.uploader.uploadItem).not.toHaveBeenCalled();
+        expect(component.projectNameForm.valid).toBeFalsy();
+    });
+
+    it('should sanitize file name input', () => {
+        component.projectNameForm.controls['projectName'].setValue("[][]");
+        fixture.detectChanges();
+        spyOn(component.stepper, "next");
+        spyOn(fileSelectDirective.uploader, 'uploadItem');
+
+        component.onImportClick();
+
+        expect(component.stepper.next).not.toHaveBeenCalled();
+        expect(fileSelectDirective.uploader.uploadItem).not.toHaveBeenCalled();
+        expect(component.projectNameForm.valid).toBeFalsy();
+    });
 });

src/app/components/projects/import-project-dialog/import-project-dialog.component.ts

@@ -3,50 +3,79 @@ import { MatStepper, MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
 import { FileUploader, ParsedResponseHeaders, FileItem } from 'ng2-file-upload';
 import { Server } from '../../../models/server';
 import { v4 as uuid } from 'uuid';
+import { FormBuilder, FormGroup, Validators, FormControl } from '@angular/forms';
+
+export class Validator {
+    static projectNameValidator(projectName) {
+      var pattern = new RegExp(/[~`!#$%\^&*+=\-\[\]\\';,/{}|\\":<>\?]/);
+
+      if(!pattern.test(projectName.value)) {
+        return null;
+      }
+
+      return { invalidName: true }
+    }
+}
 
 @Component({
     selector: 'app-import-project-dialog',
     templateUrl: 'import-project-dialog.component.html',
-    styleUrls: ['import-project-dialog.component.css'],
+    styleUrls: ['import-project-dialog.component.css']
 })
 export class ImportProjectDialogComponent implements OnInit {
     uploader: FileUploader;
     server : Server;
-    projectName : string;
     isImportEnabled : boolean = false;
     isFinishEnabled : boolean = false;
-    errorMessage : string;
+    resultMessage : string = "The project is being imported... Please wait";
+    projectNameForm: FormGroup;
+    submitted: boolean = false;
 
     @ViewChild('stepper') stepper: MatStepper;
   
     constructor(
       public dialogRef: MatDialogRef<ImportProjectDialogComponent>,
-      @Inject(MAT_DIALOG_DATA) public data: any){}
+      @Inject(MAT_DIALOG_DATA) public data: any,
+      private formBuilder: FormBuilder){
+        this.projectNameForm = this.formBuilder.group({
+            projectName: new FormControl(null, [Validators.required, Validator.projectNameValidator])
+          });
+      }
   
     ngOnInit(){
       this.uploader = new FileUploader({});
       this.uploader.onAfterAddingFile = (file) => { file.withCredentials = false; };
     }
 
+    get form() { 
+        return this.projectNameForm.controls; 
+    }
+  
     uploadProjectFile(event) : void{
-      this.projectName = event.target.files[0].name.split(".")[0];
+      this.projectNameForm.controls['projectName'].setValue(event.target.files[0].name.split(".")[0]);
       this.isImportEnabled = true;
     }
   
     onImportClick() : void{
-      if(this.validateProjectName()){
+      if (this.projectNameForm.invalid){
-        this.prepareUploadPath();
+        this.submitted = true;
+      } else {
+        const url = this.prepareUploadPath();
+        this.uploader.queue.forEach(elem => elem.url = url);
+
         this.stepper.selected.completed = true;
         this.stepper.next();
-        let itemToUpload = this.uploader.queue[0];
+
+        const itemToUpload = this.uploader.queue[0];
         this.uploader.uploadItem(itemToUpload);
 
         this.uploader.onErrorItem = (item: FileItem, response: string, status: number, headers: ParsedResponseHeaders) => {
-          this.errorMessage = response;
+            this.resultMessage = response;
             this.isFinishEnabled = true;
         };
 
         this.uploader.onSuccessItem = (item: FileItem, response: string, status: number, headers: ParsedResponseHeaders) => {
+            this.resultMessage = "Project was imported succesfully!";
             this.isFinishEnabled = true;
         };
       }
@@ -64,16 +93,11 @@ export class ImportProjectDialogComponent implements OnInit {
     onDeleteClick() : void{
       this.uploader.queue.pop();
       this.isImportEnabled = false;
-      this.projectName = "";
+      this.projectNameForm.controls['projectName'].setValue("");
     }
 
-    prepareUploadPath() : void{
+    prepareUploadPath() : string{
-      let url = `http://${this.server.ip}:${this.server.port}/v2/projects/${uuid()}/import?name=${this.projectName}`;
+      const projectName = this.projectNameForm.controls['projectName'].value;
-      this.uploader.queue.forEach(elem => elem.url = url);
+      return `http://${this.server.ip}:${this.server.port}/v2/projects/${uuid()}/import?name=${projectName}`;
-    }
-
-    validateProjectName() : boolean{
-      var pattern = new RegExp(/[~`!#$%\^&*+=\-\[\]\\';,/{}|\\":<>\?]/);
-      return !pattern.test(this.projectName);
     }
 }