Renamed schemas to schema as per naming conventions

models/schema/inventory.py

@@ -0,0 +1,77 @@
+# models/schema/inventory.py
+from datetime import datetime
+from typing import List, Optional
+from pydantic import BaseModel, ConfigDict, Field
+
+
+class InventoryBase(BaseModel):
+    product_id: int = Field(..., description="Product ID in vendor catalog")
+    location: str = Field(..., description="Storage location")
+
+
+class InventoryCreate(InventoryBase):
+    """Set exact inventory quantity (replaces existing)."""
+    quantity: int = Field(..., description="Exact inventory quantity", ge=0)
+
+
+class InventoryAdjust(InventoryBase):
+    """Add or remove inventory quantity."""
+    quantity: int = Field(..., description="Quantity to add (positive) or remove (negative)")
+
+
+class InventoryUpdate(BaseModel):
+    """Update inventory fields."""
+    quantity: Optional[int] = Field(None, ge=0)
+    reserved_quantity: Optional[int] = Field(None, ge=0)
+    location: Optional[str] = None
+
+
+class InventoryReserve(BaseModel):
+    """Reserve inventory for orders."""
+    product_id: int
+    location: str
+    quantity: int = Field(..., gt=0)
+
+
+class InventoryResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    product_id: int
+    vendor_id: int
+    location: str
+    quantity: int
+    reserved_quantity: int
+    gtin: Optional[str]
+    created_at: datetime
+    updated_at: datetime
+
+    @property
+    def available_quantity(self):
+        return max(0, self.quantity - self.reserved_quantity)
+
+
+class InventoryLocationResponse(BaseModel):
+    location: str
+    quantity: int
+    reserved_quantity: int
+    available_quantity: int
+
+
+class ProductInventorySummary(BaseModel):
+    """Inventory summary for a product."""
+    product_id: int
+    vendor_id: int
+    product_sku: Optional[str]
+    product_title: str
+    total_quantity: int
+    total_reserved: int
+    total_available: int
+    locations: List[InventoryLocationResponse]
+
+
+class InventoryListResponse(BaseModel):
+    inventories: List[InventoryResponse]
+    total: int
+    skip: int
+    limit: int