Files
led-controller/src/controllers/sequence.py
2026-05-28 00:38:21 +12:00

299 lines
10 KiB
Python

from microdot import Microdot
from microdot.session import with_session
from models.sequence import Sequence
from models.profile import Profile
from models.transport import get_current_bridge
from models.preset import Preset
from util.profile_bundle import export_sequence_bundle, import_sequence_bundle
import json
controller = Microdot()
sequences = Sequence()
profiles = Profile()
presets = Preset()
def get_current_profile_id(session=None):
"""Get the current active profile ID from session or fallback to first."""
profile_list = profiles.list()
session_profile = None
if session is not None:
session_profile = session.get("current_profile")
if session_profile and session_profile in profile_list:
return session_profile
if profile_list:
return profile_list[0]
return None
@controller.get("")
@with_session
async def list_sequences(request, session):
"""List sequences for the current profile."""
sequences.load()
current_profile_id = get_current_profile_id(session)
if not current_profile_id:
return json.dumps({}), 200, {"Content-Type": "application/json"}
scoped = {
sid: sdata
for sid, sdata in sequences.items()
if isinstance(sdata, dict)
and str(sdata.get("profile_id")) == str(current_profile_id)
}
return json.dumps(scoped), 200, {"Content-Type": "application/json"}
@controller.get("/<id>/export")
@with_session
async def export_sequence(request, session, id):
"""Export a sequence and referenced presets as a JSON bundle."""
current_profile_id = get_current_profile_id(session)
if not current_profile_id:
return json.dumps({"error": "No profile available"}), 404, {"Content-Type": "application/json"}
try:
bundle = export_sequence_bundle(
id,
sequences,
presets,
profile_id=current_profile_id,
)
return json.dumps(bundle), 200, {"Content-Type": "application/json"}
except ValueError as e:
return json.dumps({"error": str(e)}), 404, {"Content-Type": "application/json"}
@controller.post("/import")
@with_session
async def import_sequence(request, session):
"""Import a sequence bundle into the current profile."""
try:
current_profile_id = get_current_profile_id(session)
if not current_profile_id:
return (
json.dumps({"error": "No profile available"}),
404,
{"Content-Type": "application/json"},
)
body = request.json or {}
bundle = body.get("bundle") if isinstance(body, dict) else body
if not isinstance(bundle, dict):
return (
json.dumps({"error": "Expected JSON bundle"}),
400,
{"Content-Type": "application/json"},
)
new_id, seq_data = import_sequence_bundle(bundle, sequences, presets, current_profile_id)
return (
json.dumps({new_id: seq_data}),
201,
{"Content-Type": "application/json"},
)
except ValueError as e:
return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
except Exception as e:
return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
@controller.get("/<id>")
@with_session
async def get_sequence(request, session, id):
"""Get a specific sequence by ID (current profile only)."""
sequences.load()
current_profile_id = get_current_profile_id(session)
seq = sequences.read(id)
if (
seq
and current_profile_id
and str(seq.get("profile_id")) == str(current_profile_id)
):
return json.dumps(seq), 200, {"Content-Type": "application/json"}
return json.dumps({"error": "Sequence not found"}), 404
@controller.post("")
@with_session
async def create_sequence(request, session):
"""Create a new sequence for the current profile."""
try:
try:
data = request.json or {}
except Exception:
return (
json.dumps({"error": "Invalid JSON"}),
400,
{"Content-Type": "application/json"},
)
current_profile_id = get_current_profile_id(session)
if not current_profile_id:
return (
json.dumps({"error": "No profile available"}),
404,
{"Content-Type": "application/json"},
)
sequence_id = sequences.create(current_profile_id)
if not isinstance(data, dict):
data = {}
data = dict(data)
data["profile_id"] = str(current_profile_id)
if sequences.update(sequence_id, data):
seq_data = sequences.read(sequence_id)
return (
json.dumps({sequence_id: seq_data}),
201,
{"Content-Type": "application/json"},
)
return (
json.dumps({"error": "Failed to create sequence"}),
400,
{"Content-Type": "application/json"},
)
except Exception as e:
return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
@controller.put("/<id>")
@with_session
async def update_sequence(request, session, id):
"""Update an existing sequence (current profile only)."""
try:
current_profile_id = get_current_profile_id(session)
seq = sequences.read(id)
if not seq or str(seq.get("profile_id")) != str(current_profile_id):
return json.dumps({"error": "Sequence not found"}), 404
data = request.json
if not isinstance(data, dict):
return (
json.dumps({"error": "Invalid JSON"}),
400,
{"Content-Type": "application/json"},
)
data = dict(data)
data["profile_id"] = str(current_profile_id)
if sequences.update(id, data):
try:
from util.sequence_playback import stop_if_playing_sequence
stop_if_playing_sequence(str(id))
except Exception:
pass
return json.dumps(sequences.read(id)), 200, {"Content-Type": "application/json"}
return json.dumps({"error": "Sequence not found"}), 404
except Exception as e:
return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
@controller.delete("/<id>")
@with_session
async def delete_sequence(request, session, id):
"""Delete a sequence (current profile only)."""
current_profile_id = get_current_profile_id(session)
seq = sequences.read(id)
if not seq or str(seq.get("profile_id")) != str(current_profile_id):
return json.dumps({"error": "Sequence not found"}), 404
try:
from util.sequence_playback import stop_if_playing_sequence
stop_if_playing_sequence(str(id))
except Exception:
pass
if sequences.delete(id):
return (
json.dumps({"message": "Sequence deleted successfully"}),
200,
{"Content-Type": "application/json"},
)
return json.dumps({"error": "Sequence not found"}), 404
@controller.post("/sync-phase")
@with_session
async def sync_sequence_beat_phase(request, session):
"""Align beat counters while a sequence is playing (body: {\"mode\": \"step\"|\"pass\"})."""
_ = session
try:
data = request.json or {}
except Exception:
data = {}
if not isinstance(data, dict):
data = {}
mode = data.get("mode") or data.get("align") or "step"
try:
from util.sequence_playback import sync_beat_phase
if not await sync_beat_phase(str(mode)):
return (
json.dumps({"error": "No sequence is playing"}),
409,
{"Content-Type": "application/json"},
)
from util.audio_detector import anchor_shared_bar_phase
anchor_shared_bar_phase()
return json.dumps({"ok": True, "mode": str(mode).strip().lower()}), 200, {
"Content-Type": "application/json"
}
except Exception as e:
return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
@controller.post("/stop")
@with_session
async def stop_sequence_playback(request, session):
"""Stop server-driven zone sequence playback."""
_ = request
try:
from util.sequence_playback import stop_playback
await stop_playback(clear_devices=True)
return json.dumps({"ok": True}), 200, {"Content-Type": "application/json"}
except Exception as e:
return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}
@controller.post("/<id>/play")
@with_session
async def play_sequence(request, session, id):
"""Start server-driven playback for a sequence in a zone (body: {\"zone_id\": \"...\"})."""
if not get_current_bridge():
return (
json.dumps({"error": "Transport not configured"}),
503,
{"Content-Type": "application/json"},
)
current_profile_id = get_current_profile_id(session)
if not current_profile_id:
return (
json.dumps({"error": "No profile available"}),
404,
{"Content-Type": "application/json"},
)
try:
data = request.json or {}
except Exception:
data = {}
if not isinstance(data, dict):
data = {}
zone_id = data.get("zone_id") or data.get("zoneId")
if zone_id is None or str(zone_id).strip() == "":
return (
json.dumps({"error": "zone_id required"}),
400,
{"Content-Type": "application/json"},
)
zone_id = str(zone_id).strip()
try:
from util.sequence_playback import start
play_opts = data if isinstance(data, dict) else None
await start(zone_id, str(id), str(current_profile_id), play_opts)
from util.sequence_playback import pending_play_status
body = {"ok": True, **pending_play_status()}
return json.dumps(body), 200, {"Content-Type": "application/json"}
except ValueError as e:
return json.dumps({"error": str(e)}), 400, {"Content-Type": "application/json"}
except RuntimeError as e:
return json.dumps({"error": str(e)}), 503, {"Content-Type": "application/json"}
except Exception as e:
return json.dumps({"error": str(e)}), 500, {"Content-Type": "application/json"}