Sync alternativer

linedance-api/app/routers/sync.py

@@ -10,6 +10,7 @@ from datetime import datetime, timezone
 from fastapi import APIRouter, Depends
 from sqlalchemy.orm import Session
 from pydantic import BaseModel
+from typing import Optional
 
 from app.core.database import get_db
 from app.core.security import get_current_user
@@ -53,6 +54,7 @@ class SongAltDanceData(BaseModel):
     dance_name:    str
     level_name:    str = ""
     note:          str = ""
+    user_rating:   Optional[int] = None
 
 class PlaylistSongData(BaseModel):
     song_local_id:  str
@@ -224,6 +226,47 @@ def push(
         dance_id = dance_id_map.get(key)
         if not dance_id:
             continue
+        # Opdater community rating hvis bruger har givet en vurdering
+        if sa.user_rating and 1 <= sa.user_rating <= 5:
+            from app.models import CommunityDanceAlt, DanceAltRating
+            song_obj = db.query(Song).filter_by(id=song_id).first()
+            if song_obj:
+                alt = db.query(CommunityDanceAlt).filter_by(
+                    song_title=song_obj.title,
+                    song_artist=song_obj.artist,
+                    alt_dance_id=dance_id,
+                ).first()
+                if not alt:
+                    alt = CommunityDanceAlt(
+                        id=str(uuid.uuid4()),
+                        song_mbid=song_obj.mbid or None,
+                        song_title=song_obj.title,
+                        song_artist=song_obj.artist,
+                        alt_dance_id=dance_id,
+                        submitted_by=me.id,
+                        avg_rating=float(sa.user_rating),
+                        rating_count=1,
+                    )
+                    db.add(alt)
+                    db.flush()
+                existing_r = db.query(DanceAltRating).filter_by(
+                    alternative_id=alt.id, user_id=me.id
+                ).first()
+                if existing_r:
+                    old_score = existing_r.score
+                    existing_r.score = sa.user_rating
+                    total = alt.avg_rating * alt.rating_count - old_score + sa.user_rating
+                    alt.avg_rating = total / alt.rating_count
+                else:
+                    db.add(DanceAltRating(
+                        id=str(uuid.uuid4()),
+                        alternative_id=alt.id,
+                        user_id=me.id,
+                        score=sa.user_rating,
+                    ))
+                    total = alt.avg_rating * alt.rating_count + sa.user_rating
+                    alt.rating_count += 1
+                    alt.avg_rating = total / alt.rating_count
         db.execute(_sa.text(
             "INSERT IGNORE INTO song_alt_dances (id, song_id, dance_id, note) "
             "VALUES (:id, :song_id, :dance_id, :note)"
@@ -401,10 +444,30 @@ def pull(
             "dance_order":  sd.dance_order,
         })
 
+    # Community alternativ-danse (top 500 mest ratede)
+    from app.models import CommunityDanceAlt, DanceAltRating
+    community_alts = []
+    for alt in db.query(CommunityDanceAlt).order_by(
+        CommunityDanceAlt.avg_rating.desc()
+    ).limit(500).all():
+        my_rating = db.query(DanceAltRating).filter_by(
+            alternative_id=alt.id, user_id=me.id
+        ).first()
+        community_alts.append({
+            "song_mbid":    alt.song_mbid or "",
+            "song_title":   alt.song_title,
+            "song_artist":  alt.song_artist,
+            "dance_name":   alt.alt_dance.name if alt.alt_dance else "",
+            "avg_rating":   round(alt.avg_rating, 1),
+            "rating_count": alt.rating_count,
+            "my_rating":    my_rating.score if my_rating else None,
+        })
+
     return {
-        "levels":       levels,
-        "dances":       dances,
-        "shared":       shared,
-        "my_playlists": my_playlists,
-        "song_tags":    song_tags,
+        "levels":         levels,
+        "dances":         dances,
+        "shared":         shared,
+        "my_playlists":   my_playlists,
+        "song_tags":      song_tags,
+        "community_alts": community_alts,
     }