Improve the frontend 3

services/procurement/app/repositories/base_repository.py

@@ -0,0 +1,62 @@
+# ================================================================
+# services/procurement/app/repositories/base_repository.py
+# ================================================================
+"""
+Base Repository Pattern for Procurement Service
+"""
+
+from typing import Generic, TypeVar, Type, Optional, List, Dict, Any
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from shared.database.base import Base
+
+ModelType = TypeVar("ModelType", bound=Base)
+
+
+class BaseRepository(Generic[ModelType]):
+    """Base repository with common database operations"""
+
+    def __init__(self, model: Type[ModelType]):
+        self.model = model
+
+    async def get_by_id(self, db: AsyncSession, id: Any) -> Optional[ModelType]:
+        """Get entity by ID"""
+        result = await db.execute(select(self.model).where(self.model.id == id))
+        return result.scalar_one_or_none()
+
+    async def get_all(self, db: AsyncSession, skip: int = 0, limit: int = 100) -> List[ModelType]:
+        """Get all entities with pagination"""
+        result = await db.execute(select(self.model).offset(skip).limit(limit))
+        return result.scalars().all()
+
+    async def create(self, db: AsyncSession, **kwargs) -> ModelType:
+        """Create new entity"""
+        instance = self.model(**kwargs)
+        db.add(instance)
+        await db.flush()
+        await db.refresh(instance)
+        return instance
+
+    async def update(self, db: AsyncSession, id: Any, **kwargs) -> Optional[ModelType]:
+        """Update entity"""
+        instance = await self.get_by_id(db, id)
+        if not instance:
+            return None
+
+        for key, value in kwargs.items():
+            if hasattr(instance, key):
+                setattr(instance, key, value)
+
+        await db.flush()
+        await db.refresh(instance)
+        return instance
+
+    async def delete(self, db: AsyncSession, id: Any) -> bool:
+        """Delete entity"""
+        instance = await self.get_by_id(db, id)
+        if not instance:
+            return False
+
+        await db.delete(instance)
+        await db.flush()
+        return True