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3 Commits
ac69a11db5
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26088f58c9
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26088f58c9 | |
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05bfd4f3eb | |
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d5ac4d6f26 |
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@ -16,18 +16,18 @@
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<h2 class="text-xl font-semibold">{{ deck.name }}</h2>
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<span class="text-gray-600">({{ deck.images.length }} Bilder)</span>
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</div>
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<button (click)="toggleDeckExpansion(deck.id)" class="text-gray-500 hover:text-gray-700 focus:outline-none" title="Deck ein-/ausklappen">
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<svg *ngIf="!isDeckExpanded(deck.id)" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 transform rotate-0 transition-transform duration-200" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<button (click)="toggleDeckExpansion(deck.name)" class="text-gray-500 hover:text-gray-700 focus:outline-none" title="Deck ein-/ausklappen">
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<svg *ngIf="!isDeckExpanded(deck.name)" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 transform rotate-0 transition-transform duration-200" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
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</svg>
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<svg *ngIf="isDeckExpanded(deck.id)" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 transform rotate-180 transition-transform duration-200" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<svg *ngIf="isDeckExpanded(deck.name)" xmlns="http://www.w3.org/2000/svg" class="h-6 w-6 transform rotate-180 transition-transform duration-200" fill="none" viewBox="0 0 24 24" stroke="currentColor">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7" />
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</svg>
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</button>
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</div>
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<!-- Bildliste und Action-Buttons nur anzeigen, wenn das Deck erweitert ist und kein Training aktiv ist -->
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<ng-container *ngIf="isDeckExpanded(deck.id) && !selectedDeck">
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<ng-container *ngIf="isDeckExpanded(deck.name) && !selectedDeck">
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<!-- Liste der Bilder mit Anzahl der Boxen und Icons -->
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<ul class="mb-4">
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<li *ngFor="let image of deck.images" class="flex justify-between items-center py-2 border-b last:border-b-0">
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@ -37,7 +37,7 @@ export class DeckListComponent implements OnInit {
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currentUploadDeckName: string = '';
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// Set zur Verfolgung erweiterter Decks
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expandedDecks: Set<number> = new Set<number>();
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expandedDecks: Set<string> = new Set<string>();
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// State für das Verschieben von Bildern
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imageToMove: { image: DeckImage, sourceDeck: Deck } | null = null;
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@ -122,18 +122,18 @@ export class DeckListComponent implements OnInit {
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}
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// Methode zum Umschalten der Deck-Erweiterung
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toggleDeckExpansion(deckId: number): void {
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if (this.expandedDecks.has(deckId)) {
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this.expandedDecks.delete(deckId);
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toggleDeckExpansion(deckName: string): void {
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if (this.expandedDecks.has(deckName)) {
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this.expandedDecks.delete(deckName);
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} else {
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this.expandedDecks.add(deckId);
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this.expandedDecks.add(deckName);
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}
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this.saveExpandedDecks();
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}
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// Methode zur Überprüfung, ob ein Deck erweitert ist
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isDeckExpanded(deckId: number): boolean {
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return this.expandedDecks.has(deckId);
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isDeckExpanded(deckName: string): boolean {
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return this.expandedDecks.has(deckName);
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}
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// Laden der erweiterten Decks aus dem sessionStorage
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@ -141,14 +141,14 @@ export class DeckListComponent implements OnInit {
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const stored = sessionStorage.getItem('expandedDecks');
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if (stored) {
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try {
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const parsed: number[] = JSON.parse(stored);
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this.expandedDecks = new Set<number>(parsed);
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const parsed: string[] = JSON.parse(stored);
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this.expandedDecks = new Set<string>(parsed);
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} catch (e) {
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console.error('Fehler beim Parsen der erweiterten Decks aus sessionStorage', e);
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}
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} else {
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// Wenn keine Daten gespeichert sind, alle Decks standardmäßig nicht erweitern
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this.expandedDecks = new Set<number>();
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this.expandedDecks = new Set<string>();
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}
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}
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@ -25,6 +25,7 @@ export interface Box {
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factor?: number;
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reps?: number;
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lapses?: number;
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isGraduated?:boolean;
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}
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export interface BackendBox {
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@ -89,7 +90,8 @@ export class DeckService {
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ivl:image.ivl,
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factor:image.factor,
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reps:image.reps,
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lapses:image.lapses
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lapses:image.lapses,
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isGraduated:image.isGraduated?true:false
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});
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});
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@ -20,7 +20,7 @@
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class="bg-orange-500 disabled:bg-orange-200 text-white py-2 px-4 rounded hover:bg-orange-600"
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[disabled]="!isShowingBox || currentBoxIndex >= boxesToReview.length"
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>
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Nochmal
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Nochmal ({{ getNextInterval(currentBox, 'again') }})
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</button>
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<!-- Gut Button -->
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@ -29,7 +29,7 @@
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class="bg-blue-500 disabled:bg-blue-200 text-white py-2 px-4 rounded hover:bg-blue-600"
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[disabled]="!isShowingBox || currentBoxIndex >= boxesToReview.length"
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>
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Gut
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Gut ({{ getNextInterval(currentBox, 'good') }})
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</button>
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<!-- Einfach Button -->
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@ -38,7 +38,7 @@
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class="bg-green-500 disabled:bg-green-200 text-white py-2 px-4 rounded hover:bg-green-600"
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[disabled]="!isShowingBox || currentBoxIndex >= boxesToReview.length"
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>
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Einfach
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Einfach ({{ getNextInterval(currentBox, 'easy') }})
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</button>
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<!-- Nächstes Bild Button -->
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@ -52,7 +52,6 @@
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</div>
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<p class="mt-2">{{ progress }}</p>
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<!-- <p class="mt-2">Gewusst: {{ knownCount }} | Nicht gewusst: {{ unknownCount }}</p> -->
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<button
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(click)="closeTraining()"
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@ -2,9 +2,21 @@
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import { Component, Input, Output, EventEmitter, OnInit, ViewChild, ElementRef } from '@angular/core';
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import { Deck, DeckImage, DeckService, Box } from '../deck.service';
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import { CommonModule } from '@angular/common';
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import { switchMap } from 'rxjs/operators';
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import { forkJoin } from 'rxjs';
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import { lastValueFrom } from 'rxjs';
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const LEARNING_STEPS = {
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AGAIN: 1, // 1 minute
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GOOD: 10, // 10 minutes
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GRADUATION: 1440 // 1 day (in minutes)
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};
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const FACTOR_CHANGES = {
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AGAIN: 0.85, // Reduce factor by 15%
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EASY: 1.15, // Increase factor by 15%
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MIN: 1.3, // Minimum factor allowed
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MAX: 2.9 // Maximum factor allowed
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};
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const EASY_INTERVAL = 4 * 1440; // 4 days in minutes
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@Component({
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selector: 'app-training',
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templateUrl: './training.component.html',
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@ -29,11 +41,11 @@ export class TrainingComponent implements OnInit {
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constructor(private deckService: DeckService) { }
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ngOnInit(): void {
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// Initialisiere die boxesToReview basierend auf SRS
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this.initializeBoxesToReview();
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// Initialisierung wurde in ngAfterViewInit durchgeführt
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}
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ngAfterViewInit(){
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// Initialisiere das erste Bild und die dazugehörigen Boxen
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if (this.deck && this.deck.images.length > 0) {
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this.loadImage(this.currentImageIndex);
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} else {
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@ -42,27 +54,10 @@ export class TrainingComponent implements OnInit {
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}
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}
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initializeBoxesToReview(): void {
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// Filtere alle Boxen, die fällig sind (due <= heute)
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const today = this.getTodayInDays();
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this.deck.images.forEach(image => {
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image.boxes.forEach(box => {
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if (box.due === undefined || box.due <= today) {
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this.boxesToReview.push(box);
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this.boxRevealed.push(false);
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}
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});
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});
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// Mische die Boxen
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this.boxesToReview = this.shuffleArray(this.boxesToReview);
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}
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getTodayInDays(): number {
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const epoch = new Date(1970, 0, 1); // Anki verwendet UNIX-Epoch
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const today = new Date();
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return Math.floor((today.getTime() - epoch.getTime()) / (1000 * 60 * 60 * 24));
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}
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/**
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* Lädt das Bild basierend auf dem gegebenen Index und initialisiert die zu überprüfenden Boxen.
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* @param imageIndex Index des zu ladenden Bildes im Deck
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*/
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loadImage(imageIndex: number): void {
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if (imageIndex >= this.deck.images.length) {
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this.endTraining();
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@ -70,13 +65,57 @@ export class TrainingComponent implements OnInit {
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}
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this.currentImageData = this.deck.images[imageIndex];
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// Initialisiere boxesToReview mit allen Boxen, die fällig sind, gemischt
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this.boxesToReview = this.shuffleArray([...this.currentImageData.boxes].filter(box => box.due! <= this.getTodayInDays()));
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// Initialisiere die Boxen für die aktuelle Runde
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this.initializeBoxesToReview();
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}
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/**
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* Ermittelt alle fälligen Boxen für die aktuelle Runde, mischt sie und setzt den aktuellen Box-Index zurück.
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* Wenn keine Boxen mehr zu überprüfen sind, wird zum nächsten Bild gewechselt.
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*/
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initializeBoxesToReview(): void {
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if (!this.currentImageData) {
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this.nextImage();
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return;
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}
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// Filtere alle Boxen, die fällig sind (due <= heute)
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const today = this.getTodayInDays();
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this.boxesToReview = this.currentImageData.boxes.filter(box => box.due === undefined || box.due <= today);
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if (this.boxesToReview.length === 0) {
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// Keine Boxen mehr für dieses Bild, wechsle zum nächsten Bild
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this.nextImage();
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return;
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}
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// Mische die Boxen zufällig
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this.boxesToReview = this.shuffleArray(this.boxesToReview);
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// Initialisiere den Array zur Verfolgung der enthüllten Boxen
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this.boxRevealed = new Array(this.boxesToReview.length).fill(false);
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// Setze den aktuellen Box-Index zurück
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this.currentBoxIndex = 0;
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this.isShowingBox = false;
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// Zeichne das Canvas neu
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this.drawCanvas();
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}
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/**
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* Gibt das heutige Datum in Tagen seit der UNIX-Epoche zurück.
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*/
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getTodayInDays(): number {
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const epoch = new Date(1970, 0, 1); // Anki verwendet UNIX-Epoche
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const today = new Date();
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return Math.floor((today.getTime() - epoch.getTime()) / (1000 * 60 * 60 * 24));
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}
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/**
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* Zeichnet das aktuelle Bild und die Boxen auf das Canvas.
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* Boxen werden rot dargestellt, wenn sie verdeckt sind, und grün, wenn sie enthüllt sind.
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*/
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drawCanvas(): void {
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const canvas = this.canvasRef.nativeElement;
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const ctx = canvas.getContext('2d');
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@ -85,30 +124,33 @@ export class TrainingComponent implements OnInit {
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const img = new Image();
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img.src = `/api/debug_image/${this.currentImageData.id}/original_compressed.jpg`;
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img.onload = () => {
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// Set canvas size to image size
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// Setze die Größe des Canvas auf die Größe des Bildes
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canvas.width = img.width;
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canvas.height = img.height;
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// Draw image
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// Zeichne das Bild
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
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// Draw boxes
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// Zeichne die Boxen
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this.boxesToReview.forEach((box, index) => {
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if (this.boxRevealed[index]) {
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// Box ist bereits enthüllt, nichts zeichnen
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return;
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}
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ctx.beginPath();
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ctx.rect(box.x1, box.y1, box.x2 - box.x1, box.y2 - box.y1);
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ctx.fillStyle = index === this.currentBoxIndex ? 'rgba(0, 255, 0, 0.99)' : 'rgba(255, 0, 0, 0.99)';
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if (this.currentBoxIndex === index && this.isShowingBox || (box.due && box.due-this.getTodayInDays()>0)) {
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// Box ist aktuell enthüllt, keine Überlagerung
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return;
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} else if (this.currentBoxIndex === index && !this.isShowingBox) {
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// Box ist enthüllt
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ctx.fillStyle = 'rgba(0, 255, 0, 1)'; // Undurchsichtige grüne Überlagerung
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} else {
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// Box ist verdeckt
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ctx.fillStyle = 'rgba(255, 0, 0, 1)'; // Undurchsichtige rote Überlagerung
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}
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ctx.fill();
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ctx.lineWidth = 2;
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ctx.strokeStyle = 'black';
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ctx.stroke();
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});
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};
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img.onerror = () => {
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@ -118,18 +160,21 @@ export class TrainingComponent implements OnInit {
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};
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}
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// Utility-Funktion zum Mischen eines Arrays
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/**
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* Mischt ein Array zufällig.
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* @param array Das zu mischende Array
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* @returns Das gemischte Array
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*/
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shuffleArray<T>(array: T[]): T[] {
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let currentIndex = array.length, randomIndex;
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// While there remain elements to shuffle.
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// Solange noch Elemente zum Mischen vorhanden sind
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while (currentIndex !== 0) {
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// Pick a remaining element.
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// Wähle ein verbleibendes Element
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randomIndex = Math.floor(Math.random() * currentIndex);
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currentIndex--;
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// And swap it with the current element.
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// Tausche es mit dem aktuellen Element
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[array[currentIndex], array[randomIndex]] = [
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array[randomIndex], array[currentIndex]];
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}
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@ -137,6 +182,9 @@ export class TrainingComponent implements OnInit {
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return array;
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}
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/**
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* Gibt die aktuelle Box zurück, die überprüft wird.
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*/
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get currentBox(): Box | null {
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if (this.currentBoxIndex < this.boxesToReview.length) {
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return this.boxesToReview[this.currentBoxIndex];
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@ -144,6 +192,9 @@ export class TrainingComponent implements OnInit {
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return null;
|
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}
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/**
|
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* Zeigt den Inhalt der aktuellen Box an.
|
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*/
|
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showText(): void {
|
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if (this.currentBoxIndex >= this.boxesToReview.length) return;
|
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this.boxRevealed[this.currentBoxIndex] = true;
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@ -151,61 +202,48 @@ export class TrainingComponent implements OnInit {
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this.drawCanvas();
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}
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// Neue Methoden für Anki-Optionen
|
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/**
|
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* Markiert die aktuelle Box als "Nochmal" und fährt mit der nächsten Box fort.
|
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*/
|
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async markAgain(): Promise<void> {
|
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await this.updateCard('again');
|
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this.coverCurrentBox();
|
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this.nextBox();
|
||||
}
|
||||
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/**
|
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* Markiert die aktuelle Box als "Gut" und fährt mit der nächsten Box fort.
|
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*/
|
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async markGood(): Promise<void> {
|
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await this.updateCard('good');
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this.coverCurrentBox();
|
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this.nextBox();
|
||||
}
|
||||
|
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/**
|
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* Markiert die aktuelle Box als "Einfach" und fährt mit der nächsten Box fort.
|
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*/
|
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async markEasy(): Promise<void> {
|
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await this.updateCard('easy');
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this.coverCurrentBox();
|
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this.nextBox();
|
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}
|
||||
|
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/**
|
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* Aktualisiert die SRS-Daten der aktuellen Box basierend auf der gegebenen Aktion.
|
||||
* @param action Die durchgeführte Aktion ('again', 'good', 'easy')
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||||
*/
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async updateCard(action: 'again' | 'good' | 'easy'): Promise<void> {
|
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if (this.currentBoxIndex >= this.boxesToReview.length) return;
|
||||
|
||||
const box = this.boxesToReview[this.currentBoxIndex];
|
||||
const today = this.getTodayInDays();
|
||||
|
||||
let newIvl = box.ivl || 0;
|
||||
let newFactor = box.factor || 2.5;
|
||||
let newReps = box.reps || 0;
|
||||
let newLapses = box.lapses || 0;
|
||||
// Berechne das neue Intervall und eventuell den neuen Faktor
|
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const { newIvl, newFactor, newReps, newLapses, newIsGraduated } = this.calculateNewInterval(box, action);
|
||||
|
||||
switch(action) {
|
||||
case 'again':
|
||||
newIvl = 1 / 1440; // weniger als ein Tag, z.B., 1 Minute in Tagen
|
||||
newReps = 0;
|
||||
newLapses += 1;
|
||||
break;
|
||||
case 'good':
|
||||
if (newReps === 0) {
|
||||
newIvl = 1; // nächste Wiederholung am nächsten Tag
|
||||
} else {
|
||||
newIvl = newIvl * newFactor;
|
||||
}
|
||||
newReps += 1;
|
||||
break;
|
||||
case 'easy':
|
||||
if (newReps === 0) {
|
||||
newIvl = 4; // nächste Wiederholung in 4 Tagen
|
||||
} else {
|
||||
newIvl = newIvl * newFactor * 1.3; // Anki's "easy" kann zu einem leicht erhöhten Intervall führen
|
||||
}
|
||||
newReps += 1;
|
||||
newFactor = newFactor * 1.15; // optional: Anki erhöht den Faktor leicht
|
||||
break;
|
||||
}
|
||||
|
||||
// Update due
|
||||
const nextDue = today + Math.floor(newIvl);
|
||||
// Aktualisiere das Fälligkeitsdatum
|
||||
const nextDue = today + Math.floor(newIvl/1440);
|
||||
|
||||
// Aktualisiere das Box-Objekt
|
||||
box.ivl = newIvl;
|
||||
|
|
@ -213,34 +251,141 @@ export class TrainingComponent implements OnInit {
|
|||
box.reps = newReps;
|
||||
box.lapses = newLapses;
|
||||
box.due = nextDue;
|
||||
box.isGraduated = newIsGraduated
|
||||
|
||||
// Sende das Update an das Backend
|
||||
await this.deckService.updateBox(box).toPromise();
|
||||
try {
|
||||
await lastValueFrom(this.deckService.updateBox(box));
|
||||
} catch (error) {
|
||||
console.error('Fehler beim Aktualisieren der Box:', error);
|
||||
alert('Fehler beim Aktualisieren der Box.');
|
||||
}
|
||||
}
|
||||
|
||||
nextBox(): void {
|
||||
this.isShowingBox = false;
|
||||
/**
|
||||
* Berechnet das neue Intervall, den Faktor, die Wiederholungen und die Lapses basierend auf der Aktion.
|
||||
* @param box Die aktuelle Box
|
||||
* @param action Die Aktion ('again', 'good', 'easy')
|
||||
* @returns Ein Objekt mit den neuen Werten für ivl, factor, reps und lapses
|
||||
*/
|
||||
calculateNewInterval(box: Box, action: 'again' | 'good' | 'easy'): { newIvl: number, newFactor: number, newReps: number, newLapses: number, newIsGraduated: boolean } {
|
||||
let newIvl = box.ivl || 0;
|
||||
let newFactor = box.factor || 2.5;
|
||||
let newReps = box.reps || 0;
|
||||
let newLapses = box.lapses || 0;
|
||||
let newIsGraduated = box.isGraduated || false
|
||||
|
||||
if (this.boxesToReview.length === 0) {
|
||||
// Alle Boxen für dieses Bild sind bearbeitet
|
||||
this.nextImage();
|
||||
return;
|
||||
if (action === 'again') {
|
||||
newLapses++;
|
||||
newReps = 0;
|
||||
newIvl = LEARNING_STEPS.AGAIN;
|
||||
newIsGraduated = false;
|
||||
|
||||
// Reduce factor but not below minimum
|
||||
newFactor = Math.max(
|
||||
FACTOR_CHANGES.MIN,
|
||||
newFactor * FACTOR_CHANGES.AGAIN
|
||||
);
|
||||
|
||||
return { newIvl, newFactor, newReps, newLapses, newIsGraduated };
|
||||
}
|
||||
|
||||
if (this.currentBoxIndex >= this.boxesToReview.length - 1) {
|
||||
this.currentBoxIndex = 0;
|
||||
if (action === 'easy') {
|
||||
newReps++;
|
||||
newIsGraduated = true;
|
||||
newIvl = EASY_INTERVAL;
|
||||
|
||||
// Increase factor but not above maximum
|
||||
newFactor = Math.min(
|
||||
FACTOR_CHANGES.MAX,
|
||||
newFactor * FACTOR_CHANGES.EASY
|
||||
);
|
||||
|
||||
return { newIvl, newFactor, newReps, newLapses, newIsGraduated };;
|
||||
}
|
||||
|
||||
// Handle 'good' action
|
||||
newReps++;
|
||||
|
||||
if (!newIsGraduated) {
|
||||
// Card is in learning phase
|
||||
if (newReps === 1) {
|
||||
newIvl = LEARNING_STEPS.GOOD;
|
||||
} else {
|
||||
// Graduate the card
|
||||
newIsGraduated = true;
|
||||
newIvl = LEARNING_STEPS.GRADUATION;
|
||||
}
|
||||
} else {
|
||||
this.currentBoxIndex++;
|
||||
// Card is in review phase, apply space repetition
|
||||
newIvl = Math.round(newIvl * newFactor);
|
||||
}
|
||||
|
||||
return { newIvl, newFactor, newReps, newLapses, newIsGraduated };;
|
||||
}
|
||||
|
||||
/**
|
||||
* Berechnet das nächste Intervall basierend auf der Aktion und gibt es als String zurück.
|
||||
* @param box Die aktuelle Box
|
||||
* @param action Die Aktion ('again', 'good', 'easy')
|
||||
* @returns Das nächste Intervall als String (z.B. "10 min", "2 d")
|
||||
*/
|
||||
getNextInterval(box: Box | null, action: 'again' | 'good' | 'easy'): string {
|
||||
if (!box)
|
||||
return '';
|
||||
|
||||
const { newIvl } = this.calculateNewInterval(box, action);
|
||||
|
||||
return this.formatInterval(newIvl);
|
||||
}
|
||||
|
||||
/**
|
||||
* Formatiert das Intervall als String, entweder in Minuten oder Tagen.
|
||||
* @param ivl Das Intervall in Tagen
|
||||
* @returns Das formatierte Intervall als String
|
||||
*/
|
||||
formatInterval(minutes: number): string {
|
||||
if (minutes < 60) return `${minutes}min`;
|
||||
if (minutes < 1440) return `${Math.round(minutes/60)}h`;
|
||||
return `${Math.round(minutes/1440)}d`;
|
||||
}
|
||||
|
||||
/**
|
||||
* Deckt die aktuelle Box wieder auf (verdeckt sie erneut).
|
||||
*/
|
||||
coverCurrentBox(): void {
|
||||
this.boxRevealed[this.currentBoxIndex] = false;
|
||||
this.drawCanvas();
|
||||
}
|
||||
|
||||
/**
|
||||
* Geht zur nächsten Box. Wenn alle Boxen in der aktuellen Runde bearbeitet wurden,
|
||||
* wird eine neue Runde gestartet.
|
||||
*/
|
||||
nextBox(): void {
|
||||
this.isShowingBox = false;
|
||||
|
||||
if (this.currentBoxIndex >= this.boxesToReview.length - 1) {
|
||||
// Runde abgeschlossen, starte eine neue Runde
|
||||
this.initializeBoxesToReview();
|
||||
} else {
|
||||
// Gehe zur nächsten Box
|
||||
this.currentBoxIndex++;
|
||||
this.drawCanvas();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Wechselt zum nächsten Bild im Deck.
|
||||
*/
|
||||
nextImage(): void {
|
||||
this.currentImageIndex++;
|
||||
this.loadImage(this.currentImageIndex);
|
||||
}
|
||||
|
||||
/**
|
||||
* Überspringt zum nächsten Bild im Deck.
|
||||
*/
|
||||
skipToNextImage(): void {
|
||||
if (this.currentImageIndex < this.deck.images.length - 1) {
|
||||
this.currentImageIndex++;
|
||||
|
|
@ -250,19 +395,27 @@ export class TrainingComponent implements OnInit {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Beendet das Training und gibt eine Abschlussmeldung aus.
|
||||
*/
|
||||
endTraining(): void {
|
||||
this.isTrainingFinished = true;
|
||||
//alert(`Training beendet!\nGewusst: ${this.knownCount}\nNicht gewusst: ${this.unknownCount}`);
|
||||
alert(`Training beendet!`);
|
||||
this.close.emit();
|
||||
}
|
||||
|
||||
/**
|
||||
* Fragt den Benutzer, ob das Training beendet werden soll, und schließt es gegebenenfalls.
|
||||
*/
|
||||
closeTraining(): void {
|
||||
if (confirm('Möchtest du das Training wirklich beenden?')) {
|
||||
this.close.emit();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Gibt den Fortschritt des Trainings an, z.B. "Bild 2 von 5".
|
||||
*/
|
||||
get progress(): string {
|
||||
return `Bild ${this.currentImageIndex + 1} von ${this.deck.images.length}`;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue