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LinedanceAfspiller/linedance-api/app/routers/sync.py
2026-04-21 16:47:33 +02:00

396 lines
14 KiB
Python

"""
sync.py — Push/pull synkronisering mellem lokal app og server.
POST /sync/push — send lokal data op til server
GET /sync/pull — hent server-data ned til app
"""
import uuid
import logging
from datetime import datetime, timezone
from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session
from pydantic import BaseModel
from app.core.database import get_db
from app.core.security import get_current_user
from app.models import (
User, Song, Dance, DanceLevel, Project, ProjectSong,
PlaylistShare, CommunityDance, SongDance, SongAltDance,
)
router = APIRouter(prefix="/sync", tags=["sync"])
logger = logging.getLogger(__name__)
# ── Schemas ───────────────────────────────────────────────────────────────────
class SongData(BaseModel):
local_id: str
title: str
artist: str = ""
album: str = ""
bpm: int = 0
duration_sec: int = 0
mbid: str = ""
acoustid: str = ""
class DanceData(BaseModel):
name: str
level_name: str = ""
choreographer: str = ""
video_url: str = ""
stepsheet_url: str = ""
notes: str = ""
class SongDanceData(BaseModel):
song_local_id: str
dance_name: str
level_name: str = ""
dance_order: int = 1
class SongAltDanceData(BaseModel):
song_local_id: str
dance_name: str
level_name: str = ""
note: str = ""
class PlaylistSongData(BaseModel):
song_local_id: str
song_title: str = ""
song_artist: str = ""
position: int
status: str = "pending"
is_workshop: bool = False
dance_override: str = ""
class PlaylistData(BaseModel):
local_id: str
name: str
description: str = ""
tags: str = ""
visibility: str = "private"
songs: list[PlaylistSongData] = []
class PushPayload(BaseModel):
songs: list[SongData] = []
dances: list[DanceData] = []
song_dances: list[SongDanceData] = []
song_alts: list[SongAltDanceData] = []
playlists: list[PlaylistData] = []
deleted_playlists: list[str] = [] # server-IDs (Project.id)
# ── Hjælpefunktion: find eller opret sang globalt ─────────────────────────────
def _find_or_create_song(db: Session, title: str, artist: str = "",
mbid: str = "", acoustid: str = "",
album: str = "", bpm: int = 0,
duration_sec: int = 0) -> Song:
"""
Match-hierarki:
1. MBID — sikreste
2. AcoustID
3. Titel + artist
4. Opret ny
"""
if mbid:
song = db.query(Song).filter_by(mbid=mbid).first()
if song:
return song
if acoustid:
song = db.query(Song).filter_by(acoustid=acoustid).first()
if song:
# Tilføj mbid hvis den mangler
if mbid and not song.mbid:
song.mbid = mbid
return song
if title:
song = db.query(Song).filter(
Song.title == title,
Song.artist == artist,
).first()
if song:
# Opdater med bedre data hvis tilgængeligt
if mbid and not song.mbid:
song.mbid = mbid
if acoustid and not song.acoustid:
song.acoustid = acoustid
if bpm and not song.bpm:
song.bpm = bpm
return song
# Opret ny global sang
song = Song(
title=title, artist=artist, album=album,
bpm=bpm, duration_sec=duration_sec,
mbid=mbid or None,
acoustid=acoustid or None,
)
db.add(song)
db.flush()
return song
# ── Push ──────────────────────────────────────────────────────────────────────
@router.post("/push")
def push(
payload: PushPayload,
db: Session = Depends(get_db),
me: User = Depends(get_current_user),
):
"""Upload lokal data til server. Returnerer server-IDs."""
import sqlalchemy as _sa
song_id_map = {} # local_id → server Song.id
dance_id_map = {} # "name|level_id" → Dance.id
level_map = {} # level_name.lower() → DanceLevel.id
# ── Dans-niveauer ─────────────────────────────────────────────────────────
for lvl in db.query(DanceLevel).all():
level_map[lvl.name.lower()] = lvl.id
# ── Sange (globale) ───────────────────────────────────────────────────────
for s in payload.songs:
if not s.title:
continue
song = _find_or_create_song(
db, s.title, s.artist,
mbid=s.mbid, acoustid=s.acoustid,
album=s.album, bpm=s.bpm, duration_sec=s.duration_sec,
)
song_id_map[s.local_id] = song.id
# ── Danse ─────────────────────────────────────────────────────────────────
for d in payload.dances:
level_id = level_map.get(d.level_name.lower()) if d.level_name else None
key = f"{d.name.lower()}|{level_id}"
existing = db.query(Dance).filter_by(name=d.name, level_id=level_id).first()
if existing:
if d.choreographer: existing.choreographer = d.choreographer
if d.video_url: existing.video_url = d.video_url
if d.stepsheet_url: existing.stepsheet_url = d.stepsheet_url
dance_id_map[key] = existing.id
else:
dance = Dance(
name=d.name, level_id=level_id,
choreographer=d.choreographer,
video_url=d.video_url,
stepsheet_url=d.stepsheet_url,
notes=d.notes,
)
db.add(dance)
db.flush()
dance_id_map[key] = dance.id
# ── Sang-dans tags ────────────────────────────────────────────────────────
for sd in payload.song_dances:
song_id = song_id_map.get(sd.song_local_id)
if not song_id:
continue
level_id = level_map.get(sd.level_name.lower()) if sd.level_name else None
key = f"{sd.dance_name.lower()}|{level_id}"
dance_id = dance_id_map.get(key)
if not dance_id:
continue
db.execute(_sa.text(
"INSERT IGNORE INTO song_dances (id, song_id, dance_id, dance_order) "
"VALUES (:id, :song_id, :dance_id, :dance_order)"
), {"id": str(uuid.uuid4()), "song_id": song_id,
"dance_id": dance_id, "dance_order": sd.dance_order})
for sa in payload.song_alts:
song_id = song_id_map.get(sa.song_local_id)
if not song_id:
continue
level_id = level_map.get(sa.level_name.lower()) if sa.level_name else None
key = f"{sa.dance_name.lower()}|{level_id}"
dance_id = dance_id_map.get(key)
if not dance_id:
continue
db.execute(_sa.text(
"INSERT IGNORE INTO song_alt_dances (id, song_id, dance_id, note) "
"VALUES (:id, :song_id, :dance_id, :note)"
), {"id": str(uuid.uuid4()), "song_id": song_id,
"dance_id": dance_id, "note": sa.note or ""})
# ── Playlister ────────────────────────────────────────────────────────────
playlist_id_map = {}
for pl in payload.playlists:
# Find eksisterende via server-ID (local_id er api_project_id på klienten)
existing = None
if pl.local_id:
existing = db.query(Project).filter_by(
id=pl.local_id, owner_id=me.id
).first()
if not existing:
existing = db.query(Project).filter_by(
owner_id=me.id, name=pl.name
).first()
if existing:
existing.name = pl.name
existing.description = pl.description
existing.visibility = pl.visibility
if pl.songs:
db.query(ProjectSong).filter_by(project_id=existing.id).delete()
project = existing
else:
project = Project(
owner_id=me.id, name=pl.name,
description=pl.description, visibility=pl.visibility,
)
db.add(project)
db.flush()
playlist_id_map[pl.local_id] = project.id
for ps in pl.songs:
# Find sang via song_id_map eller titel+artist
song_id = song_id_map.get(ps.song_local_id)
if not song_id and ps.song_title:
song = _find_or_create_song(db, ps.song_title, ps.song_artist)
song_id = song.id
if not song_id:
continue
db.add(ProjectSong(
project_id=project.id, song_id=song_id,
position=ps.position, status=ps.status,
is_workshop=ps.is_workshop,
dance_override=ps.dance_override,
))
# ── Slet playlister ───────────────────────────────────────────────────────
for project_id in payload.deleted_playlists:
proj = db.query(Project).filter_by(id=project_id, owner_id=me.id).first()
if proj:
db.query(ProjectSong).filter_by(project_id=proj.id).delete()
db.delete(proj)
db.commit()
return {
"status": "ok",
"songs_synced": len(song_id_map),
"playlists_synced": len(playlist_id_map),
"song_id_map": {k: str(v) for k, v in song_id_map.items()},
"playlist_id_map": {k: str(v) for k, v in playlist_id_map.items()},
}
# ── Pull ──────────────────────────────────────────────────────────────────────
@router.get("/pull")
def pull(
db: Session = Depends(get_db),
me: User = Depends(get_current_user),
):
"""Hent server-data til lokal app."""
# Dans-niveauer
levels = [
{"id": l.id, "name": l.name, "sort_order": l.sort_order}
for l in db.query(DanceLevel).order_by(DanceLevel.sort_order).all()
]
# Danse
dances = [
{
"name": d.name,
"level_id": d.level_id,
"choreographer": d.choreographer,
"video_url": d.video_url,
"stepsheet_url": d.stepsheet_url,
"notes": d.notes,
"use_count": d.use_count,
}
for d in db.query(Dance).order_by(Dance.use_count.desc()).limit(500).all()
]
# Delte playlister
shared_ids = {
s.project_id for s in db.query(PlaylistShare).filter(
(PlaylistShare.shared_with_id == me.id) |
(PlaylistShare.invited_email == me.email)
).all()
}
shared = []
for p in db.query(Project).filter(Project.id.in_(shared_ids)).all():
if p.owner_id == me.id:
continue
owner = db.query(User).filter_by(id=p.owner_id).first()
shared.append({
"server_id": p.id,
"name": p.name,
"owner": owner.username if owner else "?",
"songs": [
{
"song_id": str(ps.song_id),
"title": ps.song.title,
"artist": ps.song.artist,
"mbid": ps.song.mbid or "",
"acoustid": ps.song.acoustid or "",
"bpm": ps.song.bpm,
"duration_sec": ps.song.duration_sec,
"position": ps.position,
"status": ps.status,
"is_workshop": ps.is_workshop,
"dance_override": ps.dance_override or "",
}
for ps in sorted(p.project_songs, key=lambda x: x.position)
if ps.song
],
})
# Egne playlister
my_playlists = []
for p in db.query(Project).filter_by(owner_id=me.id).all():
my_playlists.append({
"server_id": p.id,
"name": p.name,
"description": p.description or "",
"songs": [
{
"song_id": str(ps.song_id),
"title": ps.song.title,
"artist": ps.song.artist,
"mbid": ps.song.mbid or "",
"acoustid": ps.song.acoustid or "",
"bpm": ps.song.bpm,
"duration_sec": ps.song.duration_sec,
"position": ps.position,
"status": ps.status,
"is_workshop": ps.is_workshop,
"dance_override": ps.dance_override or "",
}
for ps in sorted(p.project_songs, key=lambda x: x.position)
if ps.song
],
})
logger.info(f"Pull: {len(my_playlists)} playlister for {me.username}")
# Dans-tags (brugerens egne)
song_tags = []
for sd in db.query(SongDance).all():
dance = db.query(Dance).filter_by(id=sd.dance_id).first()
if not dance:
continue
level = db.query(DanceLevel).filter_by(id=dance.level_id).first() if dance.level_id else None
song_tags.append({
"song_id": sd.song_id,
"dance_name": dance.name,
"choreographer": dance.choreographer or "",
"level_name": level.name if level else "",
"dance_order": sd.dance_order,
})
return {
"levels": levels,
"dances": dances,
"shared": shared,
"my_playlists": my_playlists,
"song_tags": song_tags,
}