feat: add setup/welcome page

src/pages/setup/welcome/welcome.component.ts

@@ -0,0 +1,45 @@
+import {Component} from '@angular/core';
+import {MatButton} from "@angular/material/button";
+import {NavigationService} from "@service/navigation.service";
+import {MatFormFieldModule} from "@angular/material/form-field";
+import {MatInput} from "@angular/material/input";
+import {AsyncPipe} from "@angular/common";
+import {FormControl, ReactiveFormsModule, Validators} from "@angular/forms";
+import SetupService from "@api/v1/setup.service";
+import {environment} from "@/config/environment";
+import {AvailableVersion} from "@api/api.service";
+
+@Component({
+  selector: 'app-welcome',
+  standalone: true,
+  imports: [
+    MatButton,
+    MatFormFieldModule,
+    MatInput,
+    AsyncPipe,
+    ReactiveFormsModule
+  ],
+  templateUrl: './welcome.component.html'
+})
+
+export class WelcomeComponent {
+  protected tokenControl = new FormControl('', [
+    Validators.required,
+    Validators.pattern(/^(?:[A-Za-z0-9+\/]{4})*(?:[A-Za-z0-9+\/]{4}|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{2}={2})$/),
+    Validators.minLength(16)
+  ]);
+
+  protected apiToGetToken : string = environment.apiUrl;
+
+  constructor(private navigationService: NavigationService, private api: SetupService) {
+    this.apiToGetToken += AvailableVersion[this.api.version];
+    this.navigationService.nextButtonAction = () => {
+      return this.api.checkToken(this.tokenControl.value ?? '');
+    };
+
+    this.navigationService.setNextButtonState(false);
+    this.tokenControl.valueChanges.subscribe(() => {
+      this.navigationService.setNextButtonState(this.tokenControl.valid);
+    });
+  }
+}