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import { readable, type Updater } from "svelte/store";
import { schedule } from "$lib/task-manager/scheduler";
import { clearFileStorage, removeFromFileStorage } from "$lib/storage/opfs";
import { clearCurrentTasks, removeWorkerFromQueue } from "$lib/state/task-manager/current-tasks";
import type { CobaltQueue, CobaltQueueItem, CobaltQueueItemRunning, UUID } from "$lib/types/queue";
const clearPipelineCache = (queueItem: CobaltQueueItem) => {
if (queueItem.state === "running") {
for (const [ workerId, item ] of Object.entries(queueItem.pipelineResults)) {
removeFromFileStorage(item.name);
delete queueItem.pipelineResults[workerId];
}
} else if (queueItem.state === "done") {
removeFromFileStorage(queueItem.resultFile.name);
}
return queueItem;
}
let update: (_: Updater<CobaltQueue>) => void;
export const queue = readable<CobaltQueue>(
{},
(_, _update) => { update = _update }
);
export function addItem(item: CobaltQueueItem) {
update(queueData => {
queueData[item.id] = item;
return queueData;
});
schedule();
}
export function itemError(id: UUID, workerId: UUID, error: string) {
update(queueData => {
if (queueData[id]) {
queueData[id] = clearPipelineCache(queueData[id]);
queueData[id] = {
...queueData[id],
state: "error",
errorCode: error,
}
}
return queueData;
});
removeWorkerFromQueue(workerId);
schedule();
}
export function itemDone(id: UUID, file: File) {
update(queueData => {
if (queueData[id]) {
queueData[id] = clearPipelineCache(queueData[id]);
queueData[id] = {
...queueData[id],
state: "done",
resultFile: file,
}
}
return queueData;
});
schedule();
}
export function pipelineTaskDone(id: UUID, workerId: UUID, file: File) {
update(queueData => {
const item = queueData[id];
if (item && item.state === 'running') {
item.pipelineResults[workerId] = file;
}
return queueData;
});
removeWorkerFromQueue(workerId);
schedule();
}
export function itemRunning(id: UUID) {
update(queueData => {
const data = queueData[id] as CobaltQueueItemRunning;
if (data) {
data.state = 'running';
data.pipelineResults ??= {};
}
return queueData;
});
schedule();
}
export function removeItem(id: UUID) {
update(queueData => {
const item = queueData[id];
for (const worker of item.pipeline) {
removeWorkerFromQueue(worker.workerId);
}
clearPipelineCache(item);
delete queueData[id];
return queueData;
});
schedule();
}
export function clearQueue() {
update(() => ({}));
clearCurrentTasks();
clearFileStorage();
}
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