Better bracket logic

backend/app/crud.py

@@ -7,39 +7,16 @@ from . import logic, models, schemas
 
 
 def _rebuild_structure(db: Session, t: models.Tournament):
-    """
-    Nukes existing nodes/matches and regenerates them based on current teams.
-    Used when teams are added/removed.
-    """
-    t.matches = []
+    for m in t.matches:
+        db.delete(m)
     db.flush()
 
-    t.nodes = []
-    db.flush()
-
-    node_data = logic.generate_bracket_nodes(t)
-    for nd in node_data:
-        db.add(models.BracketNode(**nd, tournament_id=t.id))
-
+    logic.generate_bracket(db, t)
     db.flush()
     db.refresh(t)
-
-    logic.initialize_seeding(db, t)
     logic.update_schedule_times(db, t)
 
 
-def get_tournaments(db: Session):
-    return db.query(models.Tournament).all()
-
-
-def get_tournament(db: Session, tournament_id: str):
-    return (
-        db.query(models.Tournament)
-        .filter(models.Tournament.id == tournament_id)
-        .first()
-    )
-
-
 def create_tournament(db: Session, data: schemas.TournamentCreate):
     t_id = str(uuid4())[:8]
     new_t = models.Tournament(
@@ -56,19 +33,27 @@ def create_tournament(db: Session, data: schemas.TournamentCreate):
     db.add(new_t)
     db.commit()
 
-    node_data = logic.generate_bracket_nodes(new_t)
-    for nd in node_data:
-        db.add(models.BracketNode(**nd, tournament_id=t_id))
-    db.commit()
-    db.refresh(new_t)
-
-    logic.initialize_seeding(db, new_t)
+    # Generate Bracket
+    logic.generate_bracket(db, new_t)
     logic.update_schedule_times(db, new_t)
 
+    db.commit()
     db.refresh(new_t)
     return new_t
 
 
+def get_tournaments(db: Session):
+    return db.query(models.Tournament).all()
+
+
+def get_tournament(db: Session, tournament_id: str):
+    return (
+        db.query(models.Tournament)
+        .filter(models.Tournament.id == tournament_id)
+        .first()
+    )
+
+
 def delete_tournament(db: Session, tournament_id: str) -> bool:
     t = get_tournament(db, tournament_id)
     if not t: