KPI通用化: bsc_layer_config表+API+企业选择器+企业CRUD

backend/app/api/bsc_layers.py

@@ -0,0 +1,41 @@
+"""BSC四层配置 API"""
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.orm import Session
+from typing import List
+
+from app.database import get_db
+from app.auth_middleware import require_auth
+from app.models import BscLayerConfig, Entity
+
+router = APIRouter(prefix="/api/cma/bsc-layers", tags=["BSC层配置"],
+    dependencies=[Depends(require_auth)],
+)
+
+
+@router.get("")
+def list_bsc_layers(entity_id: int = Query(1, description="企业ID"), db: Session = Depends(get_db)):
+    """获取某企业的BSC四层权重配置"""
+    # 验证企业存在
+    entity = db.query(Entity).filter(Entity.id == entity_id).first()
+    if not entity:
+        from fastapi.responses import JSONResponse
+        return JSONResponse(status_code=404, content={"detail": "企业不存在"})
+
+    layers = db.query(BscLayerConfig).filter(
+        BscLayerConfig.entity_id == entity_id
+    ).order_by(BscLayerConfig.id).all()
+
+    return {
+        "entity_id": entity_id,
+        "entity_name": entity.short_name or entity.name,
+        "layers": [
+            {
+                "id": l.id,
+                "layer": l.layer,
+                "weight": float(l.weight),
+                "kpi_count_min": l.kpi_count_min,
+                "kpi_count_max": l.kpi_count_max,
+            }
+            for l in layers
+        ]
+    }