mirror of
https://github.com/Azornes/Comfyui-LayerForge.git
synced 2026-03-21 20:52:12 -03:00
314 lines
10 KiB
JavaScript
314 lines
10 KiB
JavaScript
import {removeImage, getAllImageIds} from "./db.js";
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import {createModuleLogger} from "./utils/LoggerUtils.js";
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const log = createModuleLogger('ImageReferenceManager');
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export class ImageReferenceManager {
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constructor(canvas) {
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this.canvas = canvas;
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this.imageReferences = new Map(); // imageId -> count
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this.imageLastUsed = new Map(); // imageId -> timestamp
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this.gcInterval = 5 * 60 * 1000; // 5 minut (nieużywane)
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this.maxAge = 30 * 60 * 1000; // 30 minut bez użycia
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this.gcTimer = null;
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this.isGcRunning = false;
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// Licznik operacji dla automatycznego GC
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this.operationCount = 0;
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this.operationThreshold = 500; // Uruchom GC po 500 operacjach
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// Nie uruchamiamy automatycznego GC na czasie
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// this.startGarbageCollection();
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}
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/**
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* Uruchamia automatyczne garbage collection
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*/
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startGarbageCollection() {
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if (this.gcTimer) {
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clearInterval(this.gcTimer);
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}
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this.gcTimer = setInterval(() => {
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this.performGarbageCollection();
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}, this.gcInterval);
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log.info("Garbage collection started with interval:", this.gcInterval / 1000, "seconds");
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}
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/**
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* Zatrzymuje automatyczne garbage collection
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*/
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stopGarbageCollection() {
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if (this.gcTimer) {
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clearInterval(this.gcTimer);
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this.gcTimer = null;
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}
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log.info("Garbage collection stopped");
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}
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/**
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* Dodaje referencję do obrazu
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* @param {string} imageId - ID obrazu
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*/
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addReference(imageId) {
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if (!imageId) return;
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const currentCount = this.imageReferences.get(imageId) || 0;
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this.imageReferences.set(imageId, currentCount + 1);
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this.imageLastUsed.set(imageId, Date.now());
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log.debug(`Added reference to image ${imageId}, count: ${currentCount + 1}`);
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}
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/**
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* Usuwa referencję do obrazu
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* @param {string} imageId - ID obrazu
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*/
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removeReference(imageId) {
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if (!imageId) return;
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const currentCount = this.imageReferences.get(imageId) || 0;
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if (currentCount <= 1) {
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this.imageReferences.delete(imageId);
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log.debug(`Removed last reference to image ${imageId}`);
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} else {
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this.imageReferences.set(imageId, currentCount - 1);
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log.debug(`Removed reference to image ${imageId}, count: ${currentCount - 1}`);
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}
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}
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/**
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* Aktualizuje referencje na podstawie aktualnego stanu canvas
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*/
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updateReferences() {
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log.debug("Updating image references...");
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// Wyczyść stare referencje
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this.imageReferences.clear();
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// Zbierz wszystkie używane imageId
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const usedImageIds = this.collectAllUsedImageIds();
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// Dodaj referencje dla wszystkich używanych obrazów
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usedImageIds.forEach(imageId => {
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this.addReference(imageId);
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});
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log.info(`Updated references for ${usedImageIds.size} unique images`);
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}
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/**
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* Zbiera wszystkie używane imageId z różnych źródeł
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* @returns {Set<string>} Zbiór używanych imageId
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*/
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collectAllUsedImageIds() {
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const usedImageIds = new Set();
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// 1. Aktualne warstwy
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this.canvas.layers.forEach(layer => {
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if (layer.imageId) {
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usedImageIds.add(layer.imageId);
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}
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});
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// 2. Historia undo
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if (this.canvas.canvasState && this.canvas.canvasState.layersUndoStack) {
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this.canvas.canvasState.layersUndoStack.forEach(layersState => {
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layersState.forEach(layer => {
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if (layer.imageId) {
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usedImageIds.add(layer.imageId);
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}
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});
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});
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}
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// 3. Historia redo
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if (this.canvas.canvasState && this.canvas.canvasState.layersRedoStack) {
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this.canvas.canvasState.layersRedoStack.forEach(layersState => {
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layersState.forEach(layer => {
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if (layer.imageId) {
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usedImageIds.add(layer.imageId);
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}
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});
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});
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}
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log.debug(`Collected ${usedImageIds.size} used image IDs`);
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return usedImageIds;
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}
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/**
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* Znajduje nieużywane obrazy
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* @param {Set<string>} usedImageIds - Zbiór używanych imageId
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* @returns {Array<string>} Lista nieużywanych imageId
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*/
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async findUnusedImages(usedImageIds) {
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try {
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// Pobierz wszystkie imageId z bazy danych
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const allImageIds = await getAllImageIds();
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const unusedImages = [];
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const now = Date.now();
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for (const imageId of allImageIds) {
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// Sprawdź czy obraz nie jest używany
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if (!usedImageIds.has(imageId)) {
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const lastUsed = this.imageLastUsed.get(imageId) || 0;
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const age = now - lastUsed;
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// Usuń tylko stare obrazy (grace period)
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if (age > this.maxAge) {
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unusedImages.push(imageId);
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} else {
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log.debug(`Image ${imageId} is unused but too young (age: ${Math.round(age/1000)}s)`);
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}
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}
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}
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log.debug(`Found ${unusedImages.length} unused images ready for cleanup`);
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return unusedImages;
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} catch (error) {
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log.error("Error finding unused images:", error);
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return [];
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}
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}
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/**
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* Czyści nieużywane obrazy
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* @param {Array<string>} unusedImages - Lista nieużywanych imageId
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*/
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async cleanupUnusedImages(unusedImages) {
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if (unusedImages.length === 0) {
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log.debug("No unused images to cleanup");
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return;
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}
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log.info(`Starting cleanup of ${unusedImages.length} unused images`);
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let cleanedCount = 0;
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let errorCount = 0;
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for (const imageId of unusedImages) {
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try {
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// Usuń z bazy danych
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await removeImage(imageId);
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// Usuń z cache
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if (this.canvas.imageCache && this.canvas.imageCache.has(imageId)) {
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this.canvas.imageCache.delete(imageId);
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}
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// Usuń z tracking
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this.imageReferences.delete(imageId);
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this.imageLastUsed.delete(imageId);
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cleanedCount++;
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log.debug(`Cleaned up image: ${imageId}`);
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} catch (error) {
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errorCount++;
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log.error(`Error cleaning up image ${imageId}:`, error);
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}
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}
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log.info(`Garbage collection completed: ${cleanedCount} images cleaned, ${errorCount} errors`);
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}
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/**
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* Wykonuje pełne garbage collection
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*/
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async performGarbageCollection() {
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if (this.isGcRunning) {
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log.debug("Garbage collection already running, skipping");
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return;
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}
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this.isGcRunning = true;
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log.info("Starting garbage collection...");
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try {
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// 1. Aktualizuj referencje
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this.updateReferences();
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// 2. Zbierz wszystkie używane imageId
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const usedImageIds = this.collectAllUsedImageIds();
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// 3. Znajdź nieużywane obrazy
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const unusedImages = await this.findUnusedImages(usedImageIds);
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// 4. Wyczyść nieużywane obrazy
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await this.cleanupUnusedImages(unusedImages);
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} catch (error) {
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log.error("Error during garbage collection:", error);
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} finally {
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this.isGcRunning = false;
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}
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}
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/**
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* Zwiększa licznik operacji i sprawdza czy uruchomić GC
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*/
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incrementOperationCount() {
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this.operationCount++;
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log.debug(`Operation count: ${this.operationCount}/${this.operationThreshold}`);
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if (this.operationCount >= this.operationThreshold) {
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log.info(`Operation threshold reached (${this.operationThreshold}), triggering garbage collection`);
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this.operationCount = 0; // Reset counter
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// Uruchom GC asynchronicznie, żeby nie blokować operacji
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setTimeout(() => {
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this.performGarbageCollection();
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}, 100);
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}
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}
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/**
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* Resetuje licznik operacji
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*/
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resetOperationCount() {
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this.operationCount = 0;
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log.debug("Operation count reset");
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}
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/**
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* Ustawia próg operacji dla automatycznego GC
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* @param {number} threshold - Nowy próg operacji
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*/
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setOperationThreshold(threshold) {
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this.operationThreshold = Math.max(1, threshold);
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log.info(`Operation threshold set to: ${this.operationThreshold}`);
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}
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/**
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* Ręczne uruchomienie garbage collection
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*/
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async manualGarbageCollection() {
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log.info("Manual garbage collection triggered");
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await this.performGarbageCollection();
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}
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/**
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* Zwraca statystyki garbage collection
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* @returns {Object} Statystyki
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*/
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getStats() {
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return {
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trackedImages: this.imageReferences.size,
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totalReferences: Array.from(this.imageReferences.values()).reduce((sum, count) => sum + count, 0),
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isRunning: this.isGcRunning,
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gcInterval: this.gcInterval,
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maxAge: this.maxAge
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};
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}
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/**
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* Czyści wszystkie dane (przy usuwaniu canvas)
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*/
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destroy() {
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this.stopGarbageCollection();
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this.imageReferences.clear();
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this.imageLastUsed.clear();
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log.info("ImageReferenceManager destroyed");
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}
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}
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