psp_api/prisma/schema/stock.prisma

model StockMovement {
  id                 Int                   @id @default(autoincrement())
  type               MovementType
  quantity           Decimal               @db.Decimal(10, 0)
  fee                Decimal               @db.Decimal(15, 2)
  totalCost          Decimal               @db.Decimal(15, 2)
  referenceType      MovementReferenceType
  referenceId        String
  createdAt          DateTime              @default(now()) @db.Timestamp(0)
  productId          Int
  inventoryId        Int
  avgCost            Decimal               @db.Decimal(15, 2)
  supplierId         Int?
  remainedInStock    Decimal               @default(0.00) @db.Decimal(10, 0)
  counterInventoryId Int?
  customerId         Int?
  counterInventory   Inventory?            @relation("StockMovement_CounterInventory", fields: [counterInventoryId], references: [id])
  customer           Customer?             @relation("StockMovement_Customer", fields: [customerId], references: [id])
  inventory          Inventory             @relation("StockMovement_Inventory", fields: [inventoryId], references: [id])
  product            Product               @relation("StockMovement_Product", fields: [productId], references: [id])
  supplier           Supplier?             @relation("StockMovement_Supplier", fields: [supplierId], references: [id])

  @@index([inventoryId], map: "Stock_Movements_inventoryId_fkey")
  @@index([productId], map: "Stock_Movements_productId_fkey")
  @@index([counterInventoryId], map: "Stock_Movements_counterInventoryId_fkey")
  @@index([customerId], map: "Stock_Movements_customerId_fkey")
  @@index([supplierId], map: "Stock_Movements_supplierId_fkey")
  @@map("Stock_Movements")
}

model StockBalance {
  quantity    Decimal   @default(0.000) @db.Decimal(14, 3)
  totalCost   Decimal   @default(0.00) @db.Decimal(14, 2)
  updatedAt   DateTime  @updatedAt @db.Timestamp(0)
  avgCost     Decimal   @default(0.00) @db.Decimal(14, 2)
  inventoryId Int
  productId   Int
  createdAt   DateTime  @default(now()) @db.Timestamp(0)
  id          Int       @id @default(autoincrement())
  inventory   Inventory @relation("StockBalance_inventory", fields: [inventoryId], references: [id])
  product     Product   @relation("StockBalance_Product", fields: [productId], references: [id])

  @@unique([productId, inventoryId])
  @@index([productId])
  @@index([inventoryId])
  @@map("Stock_Balance")
}

model StockAdjustment {
  id               Int       @id @default(autoincrement())
  adjustedQuantity Decimal   @db.Decimal(10, 0)
  createdAt        DateTime  @default(now()) @db.Timestamp(0)
  productId        Int
  inventoryId      Int
  inventory        Inventory @relation("Inventory_Stock_Adjustments", fields: [inventoryId], references: [id])
  product          Product   @relation("Product_Stock_Adjustments", fields: [productId], references: [id])

  @@index([inventoryId], map: "Stock_Adjustments_inventoryId_fkey")
  @@index([productId], map: "Stock_Adjustments_productId_fkey")
  @@map("Stock_Adjustments")
}