feat: add english and hungarian translations

src/app/fullname-pipe.ts

@@ -1,16 +1,24 @@
-import { Pipe, PipeTransform } from '@angular/core';
+import { inject, Pipe, PipeTransform } from '@angular/core';
 import { Umpire } from 'db';
+import { TranslationService } from './i18n/translation.service';
 
 @Pipe({
   name: 'fullname',
-  standalone: true
+  standalone: true,
+  pure: false
 })
 export class FullnamePipe implements PipeTransform {
+  readonly translationService = inject(TranslationService);
+
   transform(value: Umpire | undefined, ...args: unknown[]): string {
     if (typeof value === 'undefined') {
       return '';
     }
-    // TODO: in case of multilang, change here
+
+    if (this.translationService.language() === 'en') {
+      return value.firstName + ' ' + value.lastName;
+    }
+
     return value.lastName + ' ' + value.firstName;
   }
 }

src/app/i18n/translation.pipe.ts

@@ -0,0 +1,16 @@
+import { Pipe, PipeTransform, inject } from '@angular/core';
+import { TranslationKey, TranslationParams } from './translations';
+import { TranslationService } from './translation.service';
+
+@Pipe({
+  name: 'translate',
+  standalone: true,
+  pure: false
+})
+export class TranslatePipe implements PipeTransform {
+  private readonly translationService = inject(TranslationService);
+
+  transform(key: TranslationKey, params: TranslationParams = {}): string {
+    return this.translationService.translate(key, params);
+  }
+}

src/app/i18n/translation.service.ts

@@ -0,0 +1,47 @@
+import { Injectable, signal } from '@angular/core';
+import {
+  translations,
+  Language,
+  TranslationKey,
+  TranslationParams
+} from './translations';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TranslationService {
+  private readonly storageKey = 'language';
+
+  readonly language = signal<Language>(this.getInitialLanguage());
+
+  setLanguage(language: Language): void {
+    this.language.set(language);
+    localStorage.setItem(this.storageKey, language);
+  }
+
+  translate(key: TranslationKey, params: TranslationParams = {}): string {
+    let text: string = translations[this.language()][key];
+
+    for (const [param, value] of Object.entries(params)) {
+      text = text.replaceAll(`{${param}}`, String(value));
+    }
+
+    return text;
+  }
+
+  private getInitialLanguage(): Language {
+    const stored = localStorage.getItem(this.storageKey);
+
+    if (stored && stored in translations) {
+      return stored as Language;
+    }
+
+    const browserLanguage = navigator.language.split('-')[0] as Language;
+
+    if (browserLanguage in translations) {
+      return browserLanguage;
+    }
+
+    return 'en';
+  }
+}

src/app/i18n/translations.ts

@@ -0,0 +1,86 @@
+import { language, male, settings } from 'ionicons/icons';
+import { noop } from 'rxjs';
+
+export const translations = {
+  en: {
+    courts: 'Courts',
+    numberOfCourts: 'Number of Courts',
+    showAlerts: 'Show alerts on quick buttons',
+    serviceJudge: 'Service Judge',
+    language: 'Language',
+    settings: 'Settings',
+    courtOfficials: 'Court Officials',
+    add: 'Add',
+    noCourtOfficials: 'No court officials',
+    newCourtOfficial: 'New Court Official',
+    cancel: 'Cancel',
+    save: 'Save',
+    firstName: 'First Name',
+    lastName: 'Last Name',
+    country: 'Country',
+    gender: 'Gender',
+    male: 'Male',
+    female: 'Female',
+    confirmation: 'Confirmation',
+    confirmDeleteUmpire: 'Do you really want to delete this court official?',
+    no: 'No',
+    yes: 'Yes',
+    umpires: 'Umpires',
+    serviceJudges: 'Service Judges',
+    notOnDuty: 'Not on Duty',
+    shortCourtName: 'C',
+    court: 'Court',
+    umpire: 'Umpire',
+    removeUmpireFromCourt:
+      'Are you sure you want to remove them from the court?',
+    removeUmpiresFromCourt:
+      'Are you sure you want to remove them from the court?',
+    courtConfirm: 'Court {courtNo}',
+    sendUmpireToCourt: 'Are you sure you want to send them to the court?',
+    sendUmpiresToCourt: 'Are you sure you want to send them to the court?',
+    sendUmpireMessage: '{umpire}',
+    sendUmpiresMessage: '{umpire} - {serviceJudge}'
+  },
+
+  hu: {
+    courts: 'Pályák',
+    numberOfCourts: 'Pályák száma',
+    showAlerts: 'Figyelmeztetések megjelenítése a gyors gomboknál',
+    serviceJudge: 'Adogatásbíró',
+    language: 'Nyelv',
+    settings: 'Beállítások',
+    courtOfficials: 'Tisztségviselők',
+    add: 'Hozzáadás',
+    noCourtOfficials: 'Nincsenek tisztségviselők',
+    newCourtOfficial: 'Új Tisztségviselő',
+    cancel: 'Mégse',
+    save: 'Mentés',
+    firstName: 'Keresztnév',
+    lastName: 'Vezetéknév',
+    country: 'Ország',
+    gender: 'Nem',
+    male: 'Férfi',
+    female: 'Nő',
+    confirmation: 'Megerősítés',
+    confirmDeleteUmpire: 'Biztosan törölni szeretnéd ezt a tisztségviselőt?',
+    no: 'Nem',
+    yes: 'Igen',
+    umpires: 'Játékeveztők',
+    serviceJudges: 'Adogatásbírók',
+    notOnDuty: 'Pihenő',
+    shortCourtName: 'P',
+    court: 'Pálya',
+    umpire: 'Játékeveztő',
+    removeUmpireFromCourt: 'Biztos leveszed őt a pályáról?',
+    removeUmpiresFromCourt: 'Biztos leveszed őket a pályáról?',
+    courtConfirm: 'Pálya {courtNo}',
+    sendUmpireToCourt: 'Biztos pályára küldöd őt?',
+    sendUmpiresToCourt: 'Biztos pályára küldöd őket?',
+    sendUmpireMessage: '{umpire}',
+    sendUmpiresMessage: '{umpire} - {serviceJudge}'
+  }
+} as const;
+
+export type Language = keyof typeof translations;
+export type TranslationKey = keyof typeof translations.en;
+export type TranslationParams = Record<string, string | number>;

src/app/tab1/tab1.page.html

@@ -1,33 +1,33 @@
 <ion-header [translucent]="true">
   <ion-toolbar>
-    <ion-title> Pályák </ion-title>
+    <ion-title> {{ 'courts' | translate }} </ion-title>
   </ion-toolbar>
 </ion-header>
 
 <ion-content [fullscreen]="true" cdkDropListGroup>
   <ion-header collapse="condense">
     <ion-toolbar>
-      <ion-title size="large">Pályák</ion-title>
+      <ion-title size="large">{{ 'courts' | translate }}</ion-title>
     </ion-toolbar>
   </ion-header>
 
   <ion-grid [fixed]="'fixed'" class="bottom-lists">
     <ion-row>
       <ion-col [size]="1" class="ion-display-none ion-display-xl-block">
-        <ion-item [lines]="'none'">Pálya</ion-item>
+        <ion-item [lines]="'none'">{{ 'court' | translate }}</ion-item>
       </ion-col>
       <ion-col [size]="1" class="ion-display-xl-none">
-        <ion-item [lines]="'none'">P</ion-item>
+        <ion-item [lines]="'none'">{{ 'shortCourtName' | translate }}</ion-item>
       </ion-col>
       <ion-col>
         <ion-item [lines]="'none'">
-          <ion-label class="ion-text-center"> Játékvezető </ion-label>
+          <ion-label class="ion-text-center"> {{ 'umpire' | translate }} </ion-label>
         </ion-item>
       </ion-col>
       @if (serviceJudgeEnabled()) {
       <ion-col>
         <ion-item [lines]="'none'">
-          <ion-label class="ion-text-center"> Adogatásbíró </ion-label>
+          <ion-label class="ion-text-center"> {{ 'serviceJudge' | translate }} </ion-label>
         </ion-item>
       </ion-col>
       }
@@ -119,19 +119,19 @@
     <ion-row>
       <ion-col [size]="!serviceJudgeEnabled() ? 6 : 4">
         <ion-item color="primary">
-          <ion-label class="ion-text-center"> Játékvezetők </ion-label>
+          <ion-label class="ion-text-center"> {{ 'umpires' | translate }} </ion-label>
         </ion-item>
       </ion-col>
       @if (serviceJudgeEnabled()) {
       <ion-col [size]="4">
         <ion-item color="primary">
-          <ion-label class="ion-text-center"> Adogatásbírók </ion-label>
+          <ion-label class="ion-text-center"> {{ 'serviceJudges' | translate }} </ion-label>
         </ion-item>
       </ion-col>
       }
       <ion-col [size]="!serviceJudgeEnabled() ? 6 : 4">
         <ion-item color="medium">
-          <ion-label class="ion-text-center"> Pihenők </ion-label>
+          <ion-label class="ion-text-center"> {{ 'notOnDuty' | translate }} </ion-label>
         </ion-item>
       </ion-col>
     </ion-row>

src/app/tab1/tab1.page.ts

@@ -32,6 +32,8 @@ import { CourtUmpireService } from '../services/court.umpire.service';
 import { CourtServiceJudgeService } from '../services/court.service.judge.service';
 import { addIcons } from 'ionicons';
 import { enterOutline, exitOutline } from 'ionicons/icons';
+import { TranslatePipe } from '../i18n/translation.pipe';
+import { TranslationService } from '../i18n/translation.service';
 
 @Component({
   selector: 'app-tab1',
@@ -56,7 +58,8 @@ import { enterOutline, exitOutline } from 'ionicons/icons';
     CdkDrag,
     CommonModule,
     CdkDragPlaceholder,
-    CdkDropListGroup
+    CdkDropListGroup,
+    TranslatePipe
   ]
 })
 export class Tab1Page {
@@ -70,6 +73,7 @@ export class Tab1Page {
   readonly waitingServiceJudgeService = inject(WaitingServiceJudgesService);
   readonly courtUmpireService = inject(CourtUmpireService);
   readonly courtServiceJudgeService = inject(CourtServiceJudgeService);
+  readonly translationService = inject(TranslationService);
 
   private alertController = inject(AlertController);
   private fullnamePipe = inject(FullnamePipe);
@@ -398,17 +402,27 @@ export class Tab1Page {
     }
 
     const alert = await this.alertController.create({
-      header: `Pálya ${courtNo}`,
+      header: this.translationService.translate('courtConfirm', {
-      subHeader: `Biztos leveszed ${serviceJudge ? 'őket' : 'őt'} a pályáról?`,
+        courtNo
+      }),
+
+      subHeader: this.translationService.translate(
+        serviceJudge ? 'removeUmpiresFromCourt' : 'removeUmpireFromCourt'
+      ),
+
       cssClass: 'wide',
-      message: `${this.fullnamePipe.transform(umpire)} ${serviceJudge ? '- ' : ''} ${this.fullnamePipe.transform(serviceJudge)}`,
+
+      message: `${this.fullnamePipe.transform(umpire)}${
+        serviceJudge ? ' - ' : ''
+      }${this.fullnamePipe.transform(serviceJudge)}`,
+
       buttons: [
         {
-          text: 'Nem',
+          text: this.translationService.translate('no'),
           role: 'cancel'
         },
         {
-          text: 'Igen',
+          text: this.translationService.translate('yes'),
           role: 'confirm',
           handler: () => {
             if (this.serviceJudgeEnabled()) {
@@ -478,17 +492,31 @@ export class Tab1Page {
     }
 
     const alert = await this.alertController.create({
-      header: `Pálya ${courtNo}`,
+      header: this.translationService.translate('court', {
+        courtNo
+      }),
+
       cssClass: 'wide',
-      subHeader: `Biztos pályára küldöd ${serviceJudge ? 'őket' : 'őt'}?`,
+
-      message: `${this.fullnamePipe.transform(umpire)} ${serviceJudge ? ' - ' : ''} ${this.fullnamePipe.transform(serviceJudge)}`,
+      subHeader: this.translationService.translate(
+        serviceJudge ? 'sendUmpiresToCourt' : 'sendUmpireToCourt'
+      ),
+
+      message: this.translationService.translate(
+        serviceJudge ? 'sendUmpiresMessage' : 'sendUmpireMessage',
+        {
+          umpire: this.fullnamePipe.transform(umpire),
+          serviceJudge: this.fullnamePipe.transform(serviceJudge)
+        }
+      ),
+
       buttons: [
         {
-          text: 'Nem',
+          text: this.translationService.translate('no'),
           role: 'cancel'
         },
         {
-          text: 'Igen',
+          text: this.translationService.translate('yes'),
           role: 'confirm',
           handler: () => {
             if (this.serviceJudgeEnabled() && serviceJudge) {

src/app/tab2/tab2.page.html

@@ -1,10 +1,10 @@
 <ion-header [translucent]="true">
   <ion-toolbar>
-    <ion-title> Játékvezetők </ion-title>
+    <ion-title> {{ 'courtOfficials' | translate }} </ion-title>
     <ion-buttons [slot]="'end'">
       <ion-button [color]="'primary'" [fill]="'solid'" id="open-modal">
         <ion-icon slot="start" name="add"></ion-icon>
-        Hozzáadás
+        {{ 'add' | translate }}
       </ion-button>
     </ion-buttons>
   </ion-toolbar>
@@ -32,7 +32,7 @@
             </ion-button>
           </ion-item>
           } @empty {
-          <ion-item> Nincsenek játékvezetők </ion-item>
+          <ion-item> {{ 'noCourtOfficials' | translate }} </ion-item>
           }
         </ion-list>
       </ion-col>
@@ -44,15 +44,17 @@
       <ion-header>
         <ion-toolbar>
           <ion-buttons slot="start">
-            <ion-button (click)="cancel()">Mégse</ion-button>
+            <ion-button (click)="cancel()"
+              >{{ 'cancel' | translate }}</ion-button
+            >
           </ion-buttons>
-          <ion-title>Új játékvezető</ion-title>
+          <ion-title>{{ 'newCourtOfficial' | translate }}</ion-title>
           <ion-buttons slot="end">
             <ion-button
               [disabled]="!isValidUmpire()"
               (click)="confirm()"
               [strong]="true">
-              Mentés
+              {{ 'save' | translate }}
             </ion-button>
           </ion-buttons>
         </ion-toolbar>
@@ -61,33 +63,36 @@
         <ion-list>
           <ion-item>
             <ion-input
-              label="Vezetéknév"
+              [label]="'lastName' | translate"
               labelPlacement="stacked"
               type="text"
-              placeholder="Vezetéknév"
+              placeholder="{{ 'lastName' | translate }}"
               [(ngModel)]="lastName" />
           </ion-item>
           <ion-item>
             <ion-input
-              label="Keresztnév"
+              [label]="'firstName' | translate"
               labelPlacement="stacked"
               type="text"
-              placeholder="Keresztnév"
+              placeholder="{{ 'firstName' | translate }}"
               [(ngModel)]="firstName" />
           </ion-item>
           <ion-item>
             <ion-input
-              label="Ország"
+              [label]="'country' | translate"
               labelPlacement="stacked"
               type="text"
-              placeholder="Ország"
+              placeholder="{{ 'country' | translate }}"
               [(ngModel)]="country" />
           </ion-item>
           <ion-item>
-            <ion-select label="Nem" placeholder="Válassz" [(ngModel)]="gender">
+            <ion-select
+              [label]="'gender' | translate"
+              placeholder="{{ 'gender' | translate }}"
+              [(ngModel)]="gender">
               @for (item of genders; track item.code) {
               <ion-select-option [value]="item.code">
-                {{item.label}}
+                {{item.label | translate }}
               </ion-select-option>
               }
             </ion-select>

src/app/tab2/tab2.page.ts

@@ -1,4 +1,4 @@
-import { Component, ViewChild } from '@angular/core';
+import { Component, inject, ViewChild } from '@angular/core';
 import {
   IonHeader,
   IonToolbar,
@@ -26,6 +26,9 @@ import { add, trash } from 'ionicons/icons';
 import { OverlayEventDetail } from '@ionic/core/components';
 import { FormsModule } from '@angular/forms';
 import { FullnamePipe } from '../fullname-pipe';
+import { TranslatePipe } from '../i18n/translation.pipe';
+import { TranslationKey } from '../i18n/translations';
+import { TranslationService } from '../i18n/translation.service';
 
 @Component({
   selector: 'app-tab2',
@@ -51,12 +54,19 @@ import { FullnamePipe } from '../fullname-pipe';
     IonSelect,
     IonSelectOption,
     IonList,
-    FullnamePipe
+    FullnamePipe,
+    TranslatePipe
   ]
 })
 export class Tab2Page {
+  readonly translationService = inject(TranslationService);
+
   @ViewChild(IonModal) modal!: IonModal;
 
+  public readonly umpireService = inject(UmpireService);
+  public readonly fullnamePipe = inject(FullnamePipe);
+  public readonly alertController = inject(AlertController);
+
   public readonly umpires = this.umpireService.umpires;
 
   public lastName: string = '';
@@ -64,16 +74,12 @@ export class Tab2Page {
   public country: string = '';
   public gender: string = '';
 
-  public genders = [
+  public genders: { label: TranslationKey; code: string }[] = [
-    { label: 'gender.male', code: 'M' },
+    { label: 'male', code: 'M' },
-    { label: 'gender.female', code: 'W' }
+    { label: 'female', code: 'W' }
   ];
 
-  constructor(
+  constructor() {
-    private umpireService: UmpireService,
-    private alertController: AlertController,
-    private fullnamePipe: FullnamePipe
-  ) {
     addIcons({ add, trash });
   }
 
@@ -112,18 +118,18 @@ export class Tab2Page {
     return this.lastName !== '' && this.firstName !== '';
   }
 
-  public async showDeleteConfirmation(umpire: Umpire) {
+  public async showDeleteConfirmation(umpire: Umpire): Promise<void> {
     const alert = await this.alertController.create({
-      header: 'Megerősítés',
+      header: this.translationService.translate('confirmation'),
-      subHeader: 'Biztos törlöd a következő játékvezetőt?',
+      subHeader: this.translationService.translate('confirmDeleteUmpire'),
       message: this.fullnamePipe.transform(umpire),
       buttons: [
         {
-          text: 'Nem',
+          text: this.translationService.translate('no'),
           role: 'cancel'
         },
         {
-          text: 'Igen',
+          text: this.translationService.translate('yes'),
           role: 'confirm',
           handler: () => {
             // TODO: also remove from first tab

src/app/tab3/tab3.page.html

@@ -1,6 +1,6 @@
 <ion-header>
   <ion-toolbar>
-    <ion-title>Beállítások</ion-title>
+    <ion-title>{{ 'settings' | translate }}</ion-title>
   </ion-toolbar>
 </ion-header>
 
@@ -11,11 +11,23 @@
         @if (settings(); as currentSettings) {
 
         <ion-list>
+          <ion-item>
+            <ion-select
+              [label]="'language' | translate"
+              [value]="translationService.language()"
+              (ionChange)="updateLanguage($event)"
+              interface="popover">
+              <ion-select-option value="en"> English </ion-select-option>
+
+              <ion-select-option value="hu"> Magyar </ion-select-option>
+            </ion-select>
+          </ion-item>
+
           <ion-item>
             <ion-toggle
               [checked]="currentSettings.withServiceJudge"
               (ionChange)="updateWithServiceJudge($event)">
-              Adogatásbíró
+              {{ 'serviceJudge' | translate }}
             </ion-toggle>
           </ion-item>
 
@@ -23,13 +35,13 @@
             <ion-toggle
               [checked]="currentSettings.showAlert"
               (ionChange)="updateShowAlert($event)">
-              Figyelmeztetések megjelenítése a gyors gomboknál
+              {{ 'showAlerts' | translate }}
             </ion-toggle>
           </ion-item>
 
           <ion-item>
             <ion-input
-              label="Pályák száma"
+              [label]="'numberOfCourts' | translate"
               type="number"
               min="1"
               labelPlacement="floating"

src/app/tab3/tab3.page.ts

@@ -10,13 +10,18 @@ import {
   IonInput,
   IonGrid,
   IonCol,
-  IonRow
+  IonRow,
+  IonSelect,
+  IonSelectOption
 } from '@ionic/angular/standalone';
 import { SettingsService } from '../services/settings-service';
 import { CourtUmpireService } from '../services/court.umpire.service';
 import { CourtServiceJudgeService } from '../services/court.service.judge.service';
 import { CourtServiceJudge } from 'db';
 import { WaitingServiceJudgesService } from '../services/waiting-service-judges.service';
+import { TranslationService } from '../i18n/translation.service';
+import { Language } from '../i18n/translations';
+import { TranslatePipe } from '../i18n/translation.pipe';
 
 @Component({
   selector: 'app-tab3',
@@ -33,7 +38,10 @@ import { WaitingServiceJudgesService } from '../services/waiting-service-judges.
     IonHeader,
     IonToolbar,
     IonTitle,
-    IonContent
+    IonContent,
+    IonSelect,
+    IonSelectOption,
+    TranslatePipe
   ]
 })
 export class Tab3Page {
@@ -41,6 +49,7 @@ export class Tab3Page {
   readonly courtUmpireService = inject(CourtUmpireService);
   readonly courtServiceJudgeService = inject(CourtServiceJudgeService);
   readonly waitingServiceJudgeService = inject(WaitingServiceJudgesService);
+  readonly translationService = inject(TranslationService);
 
   readonly settings = this.settingsService.settings;
 
@@ -78,7 +87,6 @@ export class Tab3Page {
         this.courtServiceJudgeService.delete(csj.id);
       });
 
-
       this.waitingServiceJudgeService.waitingServiceJudges().map((wsj) => {
         this.waitingServiceJudgeService.remove(wsj.id);
       });
@@ -90,4 +98,8 @@ export class Tab3Page {
       showAlert: event.detail.checked
     });
   }
+
+  updateLanguage(event: CustomEvent): void {
+    this.translationService.setLanguage(event.detail.value as Language);
+  }
 }

src/app/tabs/tabs.page.html

@@ -2,17 +2,17 @@
   <ion-tab-bar slot="bottom">
     <ion-tab-button tab="pilot" href="/tabs/pilot">
       <ion-icon aria-hidden="true" name="grid-outline"></ion-icon>
-      <ion-label>Pályák</ion-label>
+      <ion-label>{{ 'courts' | translate }}</ion-label>
     </ion-tab-button>
 
     <ion-tab-button tab="umpires" href="/tabs/umpires">
       <ion-icon aria-hidden="true" name="people-outline"></ion-icon>
-      <ion-label>Játékvezetők</ion-label>
+      <ion-label>{{ 'courtOfficials' | translate }}</ion-label>
     </ion-tab-button>
 
     <ion-tab-button tab="settings" href="/tabs/settings">
       <ion-icon aria-hidden="true" name="settings-outline"></ion-icon>
-      <ion-label>Beállítások</ion-label>
+      <ion-label>{{ 'settings' | translate }}</ion-label>
     </ion-tab-button>
   </ion-tab-bar>
 </ion-tabs>

src/app/tabs/tabs.page.ts

@@ -8,12 +8,13 @@ import {
 } from '@ionic/angular/standalone';
 import { addIcons } from 'ionicons';
 import { gridOutline, peopleOutline, settingsOutline } from 'ionicons/icons';
+import { TranslatePipe } from '../i18n/translation.pipe';
 
 @Component({
   selector: 'app-tabs',
   templateUrl: 'tabs.page.html',
   styleUrls: ['tabs.page.scss'],
-  imports: [IonTabs, IonTabBar, IonTabButton, IonIcon, IonLabel]
+  imports: [IonTabs, IonTabBar, IonTabButton, IonIcon, IonLabel, TranslatePipe]
 })
 export class TabsPage {
   public environmentInjector = inject(EnvironmentInjector);

tsconfig.json

@@ -18,7 +18,7 @@
     "importHelpers": true,
     "target": "es2022",
     "module": "es2020",
-    "lib": ["es2018", "dom"],
+    "lib": ["es2021", "dom"],
     "skipLibCheck": true,
     "useDefineForClassFields": false
   },