Files
streamyfin/providers/SyncPlay/Controller.ts
2026-05-31 19:04:14 +10:00

403 lines
12 KiB
TypeScript

/**
* SyncPlay Controller
*
* Exposes SyncPlay API calls to external modules.
* Provides methods for controlling synchronized playback.
*
* Based on jellyfin-web's Controller.js
*/
import type { Api } from "@jellyfin/sdk";
import type { BaseItemDto } from "@jellyfin/sdk/lib/generated-client";
import { getSyncPlayApi } from "@jellyfin/sdk/lib/utils/api";
import {
getItemsForPlayback,
msToTicks,
translateItemsForPlayback,
} from "./Helper";
import type { SyncPlayManager } from "./Manager";
import type { QueueCore } from "./QueueCore";
import type { GroupRepeatMode, GroupShuffleMode, PlayOptions } from "./types";
/**
* SyncPlay Controller - External API for controlling SyncPlay
*/
export class SyncPlayController {
private api: Api;
private manager: SyncPlayManager;
private queueCore: QueueCore;
constructor(api: Api, manager: SyncPlayManager, queueCore: QueueCore) {
this.api = api;
this.manager = manager;
this.queueCore = queueCore;
}
// ============================================================================
// Playback Control
// ============================================================================
/**
* Toggle play/pause
*/
playPause(): void {
// Use server group state (with pending in-flight command preferred) as
// the source of truth. The local player can lag the group by hundreds of
// ms while a scheduled command is pending, so reading `playerControls`
// here would cause rapid taps to send duplicate / wrong commands and
// desync other clients.
const state = this.manager.getEffectivePlayState();
console.log(`SyncPlay Controller: playPause - effectiveState=${state}`);
if (state === "Playing") {
console.log("SyncPlay Controller: requesting PAUSE");
this.pause();
} else {
console.log("SyncPlay Controller: requesting UNPAUSE");
this.unpause();
}
}
/**
* Request unpause (play)
*/
async unpause(): Promise<void> {
// Drop duplicate rapid taps while a previous request is still in flight
// (cleared when the server broadcasts back via SyncPlayCommand, or after
// a safety timeout).
if (this.manager.getPendingPlaybackCommand() === "Unpause") {
console.debug("SyncPlay Controller: unpause ignored — already pending");
return;
}
this.manager.markPendingPlaybackCommand("Unpause");
try {
console.log("SyncPlay Controller: sending syncPlayUnpause to server");
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayUnpause();
console.log("SyncPlay Controller: syncPlayUnpause sent successfully");
} catch (error) {
console.error("SyncPlay Controller: failed to unpause", error);
}
}
/**
* Request pause
*/
async pause(): Promise<void> {
if (this.manager.getPendingPlaybackCommand() === "Pause") {
console.debug("SyncPlay Controller: pause ignored — already pending");
return;
}
this.manager.markPendingPlaybackCommand("Pause");
try {
console.log("SyncPlay Controller: sending syncPlayPause to server");
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayPause();
console.log("SyncPlay Controller: syncPlayPause sent successfully");
// Also pause locally for immediate feedback
this.manager.getPlayerControls()?.pause();
} catch (error) {
console.error("SyncPlay Controller: failed to pause", error);
}
}
/**
* Request seek to position
*/
async seek(positionTicks: number): Promise<void> {
try {
console.log(
`SyncPlay Controller: sending syncPlaySeek to ${positionTicks} ticks`,
);
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlaySeek({
seekRequestDto: {
PositionTicks: positionTicks,
},
});
console.log("SyncPlay Controller: syncPlaySeek sent successfully");
// Also seek locally for immediate feedback
const positionMs = positionTicks / 10000;
this.manager.getPlayerControls()?.seekTo(positionMs);
} catch (error) {
console.error("SyncPlay Controller: failed to seek", error);
}
}
/**
* Request seek to position in milliseconds
*/
async seekMs(positionMs: number): Promise<void> {
console.log(`SyncPlay Controller: seekMs to ${positionMs}ms`);
await this.seek(msToTicks(positionMs));
}
/**
* Request stop
*/
async stop(): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayStop();
} catch (error) {
console.error("SyncPlay Controller: failed to stop", error);
}
}
// ============================================================================
// Queue Control
// ============================================================================
/**
* Start playback with a new SyncPlay group queue.
*
* Mirrors jellyfin-web's `Controller.play`:
*
* - If the caller passed full `items` objects, translate them directly
* (Series → episodes, BoxSet → children, etc.).
* - Otherwise fetch the items by ID first (`getItemsForPlayback`), then
* translate.
* - Send the translated, real playable IDs to
* `syncPlaySetNewQueue` so every group member receives a queue of
* playable items — not container IDs (Series / Season / BoxSet) that
* receivers like jellyfin-web silently drop.
*
* `startIndex` / `startPositionTicks` default to 0, same as jellyfin-web.
*/
async play(options: PlayOptions): Promise<void> {
const { items, ids, startIndex = 0, startPositionTicks = 0 } = options;
if ((!ids || ids.length === 0) && (!items || items.length === 0)) {
console.error("SyncPlay Controller: no items or ids to play");
return;
}
try {
// Step 1 — resolve to a list of BaseItemDto. Prefer the caller-supplied
// items (no extra round trip), fall back to a fetch by IDs.
const sourceItems: BaseItemDto[] =
items && items.length > 0
? items
: await getItemsForPlayback(this.api, ids ?? []);
if (!sourceItems.length) {
console.error(
"SyncPlay Controller: getItemsForPlayback returned no items",
);
return;
}
// Step 2 — expand Series / Season / BoxSet / Playlist / single-Episode
// into the real playable queue.
const translated = await translateItemsForPlayback(
this.api,
sourceItems,
{ ids, queryOptions: {} },
);
const queueIds = translated
.map((item) => item.Id)
.filter((id): id is string => !!id);
if (!queueIds.length) {
console.error(
"SyncPlay Controller: translateItemsForPlayback produced empty queue",
);
return;
}
console.log(
`SyncPlay Controller: sending syncPlaySetNewQueue (${queueIds.length} item${queueIds.length === 1 ? "" : "s"}, startIndex=${startIndex})`,
);
// Step 3 — broadcast the resolved queue to the group.
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlaySetNewQueue({
playRequestDto: {
PlayingQueue: queueIds,
PlayingItemPosition: startIndex,
StartPositionTicks: startPositionTicks,
},
});
} catch (error) {
// Surface the server response body when available — a SetNewQueue
// that 4xx's silently is the most common "why didn't the other
// client start?" cause. Without the body we'd just see a generic
// axios error and have no way to tell whether it was a permission
// problem, an unknown item ID, or the server rejecting the queue.
const err = error as {
response?: { status?: number; data?: unknown };
message?: string;
};
console.error("SyncPlay Controller: failed to set new queue", {
status: err?.response?.status,
data: err?.response?.data,
message: err?.message,
});
}
}
/**
* Set current item in playlist
*/
async setCurrentPlaylistItem(playlistItemId: string): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlaySetPlaylistItem({
setPlaylistItemRequestDto: {
PlaylistItemId: playlistItemId,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to set playlist item", error);
}
}
/**
* Play next item
*/
async nextItem(): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayNextItem({
nextItemRequestDto: {
PlaylistItemId:
this.queueCore.getCurrentPlaylistItemId() ?? undefined,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to play next", error);
}
}
/**
* Play previous item
*/
async previousItem(): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayPreviousItem({
previousItemRequestDto: {
PlaylistItemId:
this.queueCore.getCurrentPlaylistItemId() ?? undefined,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to play previous", error);
}
}
/**
* Add items to queue
*/
async queue(
itemIds: string[],
mode: "Queue" | "QueueNext" = "Queue",
): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayQueue({
queueRequestDto: {
ItemIds: itemIds,
Mode: mode,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to queue items", error);
}
}
/**
* Add items to play next
*/
async queueNext(itemIds: string[]): Promise<void> {
await this.queue(itemIds, "QueueNext");
}
/**
* Remove items from playlist
*/
async removeFromPlaylist(playlistItemIds: string[]): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayRemoveFromPlaylist({
removeFromPlaylistRequestDto: {
PlaylistItemIds: playlistItemIds,
},
});
} catch (error) {
console.error(
"SyncPlay Controller: failed to remove from playlist",
error,
);
}
}
/**
* Move item in playlist
*/
async movePlaylistItem(
playlistItemId: string,
newIndex: number,
): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlayMovePlaylistItem({
movePlaylistItemRequestDto: {
PlaylistItemId: playlistItemId,
NewIndex: newIndex,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to move playlist item", error);
}
}
// ============================================================================
// Playback Settings
// ============================================================================
/**
* Set repeat mode
*/
async setRepeatMode(mode: GroupRepeatMode): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlaySetRepeatMode({
setRepeatModeRequestDto: {
Mode: mode,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to set repeat mode", error);
}
}
/**
* Set shuffle mode
*/
async setShuffleMode(mode: GroupShuffleMode): Promise<void> {
try {
const syncPlayApi = getSyncPlayApi(this.api);
await syncPlayApi.syncPlaySetShuffleMode({
setShuffleModeRequestDto: {
Mode: mode,
},
});
} catch (error) {
console.error("SyncPlay Controller: failed to set shuffle mode", error);
}
}
/**
* Toggle shuffle mode
*/
async toggleShuffleMode(): Promise<void> {
const currentMode = this.queueCore.getShuffleMode();
const newMode: GroupShuffleMode =
currentMode === "Sorted" ? "Shuffle" : "Sorted";
await this.setShuffleMode(newMode);
}
}