init

src/api/inventory/schemas/__init__.py

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+from .product_schemas import ProductCreate, ProductResponse
+from .supplier_schemas import SupplierCreate, SupplierResponse
+from .customer_schemas import CustomerCreate, CustomerResponse
+from .warehouse_schemas import WarehouseCreate, WarehouseResponse
+from .inventory_schemas import InventoryResponse
+from .stock_movement_schemas import StockMovementCreate, StockMovementResponse
+from .purchase_order_schemas import (
+    PurchaseOrderCreate, 
+    PurchaseOrderResponse, 
+    PurchaseOrderItemCreate
+)
+from .sales_order_schemas import (
+    SalesOrderCreate, 
+    SalesOrderResponse, 
+    SalesOrderItemCreate
+)
+
+__all__ = [
+    "ProductCreate", "ProductResponse",
+    "SupplierCreate", "SupplierResponse",
+    "CustomerCreate", "CustomerResponse",
+    "WarehouseCreate", "WarehouseResponse",
+    "InventoryResponse",
+    "StockMovementCreate", "StockMovementResponse",
+    "PurchaseOrderCreate", "PurchaseOrderResponse", "PurchaseOrderItemCreate",
+    "SalesOrderCreate", "SalesOrderResponse", "SalesOrderItemCreate",
+]

src/api/inventory/schemas/customer_schemas.py

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+from pydantic import BaseModel
+from typing import Optional
+
+
+class CustomerCreate(BaseModel):
+    code: Optional[str] = None
+    name: str
+    contact_person: Optional[str] = None
+    phone: Optional[str] = None
+    email: Optional[str] = None
+    address: Optional[str] = None
+
+
+class CustomerResponse(BaseModel):
+    id: int
+    code: Optional[str]
+    name: str
+    contact_person: Optional[str]
+    phone: Optional[str]
+    email: Optional[str]
+    is_active: bool
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/inventory_schemas.py

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+from pydantic import BaseModel
+
+
+class InventoryResponse(BaseModel):
+    id: int
+    product_id: int
+    product_name: str
+    product_sku: str
+    warehouse_id: int
+    warehouse_name: str
+    quantity: int
+    locked_quantity: int
+    available_quantity: int
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/product_schemas.py

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+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+
+
+class ProductCreate(BaseModel):
+    sku: str
+    name: str
+    description: Optional[str] = None
+    category: Optional[str] = None
+    unit: str = "件"
+    cost_price: float = 0
+    sale_price: float = 0
+    min_stock: int = 0
+    max_stock: int = 1000
+
+
+class ProductResponse(BaseModel):
+    id: int
+    sku: str
+    name: str
+    description: Optional[str]
+    category: Optional[str]
+    unit: str
+    cost_price: float
+    sale_price: float
+    min_stock: int
+    max_stock: int
+    is_active: bool
+    created_at: datetime
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/purchase_order_schemas.py

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+from pydantic import BaseModel
+from typing import Optional, List
+from datetime import datetime
+
+
+class PurchaseOrderItemCreate(BaseModel):
+    product_id: int
+    quantity: int
+    unit_price: float
+    remark: Optional[str] = None
+
+
+class PurchaseOrderCreate(BaseModel):
+    supplier_id: int
+    expected_date: Optional[datetime] = None
+    remark: Optional[str] = None
+    items: List[PurchaseOrderItemCreate]
+
+
+class PurchaseOrderResponse(BaseModel):
+    id: int
+    order_no: str
+    supplier_name: str
+    order_date: datetime
+    expected_date: Optional[datetime]
+    status: str
+    total_amount: float
+    paid_amount: float
+    remark: Optional[str]
+    created_at: datetime
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/sales_order_schemas.py

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+from pydantic import BaseModel
+from typing import Optional, List
+from datetime import datetime
+
+
+class SalesOrderItemCreate(BaseModel):
+    product_id: int
+    quantity: int
+    unit_price: float
+    remark: Optional[str] = None
+
+
+class SalesOrderCreate(BaseModel):
+    customer_id: int
+    delivery_date: Optional[datetime] = None
+    remark: Optional[str] = None
+    items: List[SalesOrderItemCreate]
+
+
+class SalesOrderResponse(BaseModel):
+    id: int
+    order_no: str
+    customer_name: str
+    order_date: datetime
+    delivery_date: Optional[datetime]
+    status: str
+    total_amount: float
+    received_amount: float
+    remark: Optional[str]
+    created_at: datetime
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/stock_movement_schemas.py

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+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+
+
+class StockMovementCreate(BaseModel):
+    product_id: int
+    warehouse_id: int
+    movement_type: str
+    quantity: int
+    unit_price: Optional[float] = None
+    remark: Optional[str] = None
+
+
+class StockMovementResponse(BaseModel):
+    id: int
+    product_name: str
+    movement_type: str
+    quantity: int
+    before_quantity: int
+    after_quantity: int
+    reference_no: Optional[str]
+    remark: Optional[str]
+    created_at: datetime
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/supplier_schemas.py

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+from pydantic import BaseModel
+from typing import Optional
+
+
+class SupplierCreate(BaseModel):
+    code: Optional[str] = None
+    name: str
+    contact_person: Optional[str] = None
+    phone: Optional[str] = None
+    email: Optional[str] = None
+    address: Optional[str] = None
+
+
+class SupplierResponse(BaseModel):
+    id: int
+    code: Optional[str]
+    name: str
+    contact_person: Optional[str]
+    phone: Optional[str]
+    email: Optional[str]
+    is_active: bool
+
+    class Config:
+        from_attributes = True

src/api/inventory/schemas/warehouse_schemas.py

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+from pydantic import BaseModel
+from typing import Optional
+
+
+class WarehouseCreate(BaseModel):
+    code: Optional[str] = None
+    name: str
+    address: Optional[str] = None
+    manager: Optional[str] = None
+    phone: Optional[str] = None
+
+
+class WarehouseResponse(BaseModel):
+    id: int
+    code: Optional[str]
+    name: str
+    address: Optional[str]
+    manager: Optional[str]
+    is_active: bool
+    is_default: bool
+
+    class Config:
+        from_attributes = True