Improve the inventory page
This commit is contained in:
Urtzi Alfaro
@@ -64,6 +64,15 @@ class ProductType(enum.Enum):
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FINISHED_PRODUCT = "finished_product" # Ready-to-sell items (bread, croissants, etc.)
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class ProductionStage(enum.Enum):
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"""Production stages for bakery products"""
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RAW_INGREDIENT = "raw_ingredient" # Basic ingredients (flour, yeast)
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PAR_BAKED = "par_baked" # Pre-baked items needing final baking
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FULLY_BAKED = "fully_baked" # Completed products ready for sale
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PREPARED_DOUGH = "prepared_dough" # Prepared but unbaked dough
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FROZEN_PRODUCT = "frozen_product" # Frozen intermediate products
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class StockMovementType(enum.Enum):
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"""Types of inventory movements"""
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PURCHASE = "purchase"
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@@ -73,6 +82,7 @@ class StockMovementType(enum.Enum):
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TRANSFER = "transfer"
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RETURN = "return"
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INITIAL_STOCK = "initial_stock"
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TRANSFORMATION = "transformation" # Converting between production stages
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class Ingredient(Base):
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@@ -227,16 +237,20 @@ class Ingredient(Base):
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class Stock(Base):
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"""Current stock levels and batch tracking"""
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__tablename__ = "stock"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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tenant_id = Column(UUID(as_uuid=True), nullable=False, index=True)
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ingredient_id = Column(UUID(as_uuid=True), ForeignKey('ingredients.id'), nullable=False, index=True)
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# Stock identification
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batch_number = Column(String(100), nullable=True, index=True)
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lot_number = Column(String(100), nullable=True, index=True)
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supplier_batch_ref = Column(String(100), nullable=True)
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# Production stage tracking
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production_stage = Column(String(20), nullable=False, default='raw_ingredient', index=True)
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transformation_reference = Column(String(100), nullable=True, index=True) # Links related transformations
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# Quantities
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current_quantity = Column(Float, nullable=False, default=0.0)
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reserved_quantity = Column(Float, nullable=False, default=0.0) # Reserved for production
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@@ -246,6 +260,11 @@ class Stock(Base):
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received_date = Column(DateTime(timezone=True), nullable=True)
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expiration_date = Column(DateTime(timezone=True), nullable=True, index=True)
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best_before_date = Column(DateTime(timezone=True), nullable=True)
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# Stage-specific expiration tracking
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original_expiration_date = Column(DateTime(timezone=True), nullable=True) # Original batch expiration (for par-baked)
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transformation_date = Column(DateTime(timezone=True), nullable=True) # When product was transformed
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final_expiration_date = Column(DateTime(timezone=True), nullable=True) # Final product expiration after transformation
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# Cost tracking
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unit_cost = Column(Numeric(10, 2), nullable=True)
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@@ -276,6 +295,9 @@ class Stock(Base):
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Index('idx_stock_batch', 'tenant_id', 'batch_number'),
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Index('idx_stock_low_levels', 'tenant_id', 'current_quantity', 'is_available'),
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Index('idx_stock_quality', 'tenant_id', 'quality_status', 'is_available'),
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Index('idx_stock_production_stage', 'tenant_id', 'production_stage', 'is_available'),
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Index('idx_stock_transformation', 'tenant_id', 'transformation_reference'),
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Index('idx_stock_final_expiration', 'tenant_id', 'final_expiration_date', 'is_available'),
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)
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def to_dict(self) -> Dict[str, Any]:
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@@ -287,12 +309,17 @@ class Stock(Base):
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'batch_number': self.batch_number,
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'lot_number': self.lot_number,
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'supplier_batch_ref': self.supplier_batch_ref,
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'production_stage': self.production_stage if self.production_stage else None,
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'transformation_reference': self.transformation_reference,
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'current_quantity': self.current_quantity,
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'reserved_quantity': self.reserved_quantity,
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'available_quantity': self.available_quantity,
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'received_date': self.received_date.isoformat() if self.received_date else None,
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'expiration_date': self.expiration_date.isoformat() if self.expiration_date else None,
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'best_before_date': self.best_before_date.isoformat() if self.best_before_date else None,
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'original_expiration_date': self.original_expiration_date.isoformat() if self.original_expiration_date else None,
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'transformation_date': self.transformation_date.isoformat() if self.transformation_date else None,
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'final_expiration_date': self.final_expiration_date.isoformat() if self.final_expiration_date else None,
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'unit_cost': float(self.unit_cost) if self.unit_cost else None,
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'total_cost': float(self.total_cost) if self.total_cost else None,
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'storage_location': self.storage_location,
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@@ -375,6 +402,83 @@ class StockMovement(Base):
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}
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class ProductTransformation(Base):
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"""Track product transformations (e.g., par-baked to fully baked)"""
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__tablename__ = "product_transformations"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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tenant_id = Column(UUID(as_uuid=True), nullable=False, index=True)
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# Transformation details
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transformation_reference = Column(String(100), nullable=False, index=True)
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source_ingredient_id = Column(UUID(as_uuid=True), ForeignKey('ingredients.id'), nullable=False)
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target_ingredient_id = Column(UUID(as_uuid=True), ForeignKey('ingredients.id'), nullable=False)
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# Stage transformation
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source_stage = Column(String(20), nullable=False)
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target_stage = Column(String(20), nullable=False)
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# Quantities and conversion
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source_quantity = Column(Float, nullable=False) # Input quantity
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target_quantity = Column(Float, nullable=False) # Output quantity
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conversion_ratio = Column(Float, nullable=False, default=1.0) # target/source ratio
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# Expiration logic
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expiration_calculation_method = Column(String(50), nullable=False, default="days_from_transformation") # days_from_transformation, preserve_original
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expiration_days_offset = Column(Integer, nullable=True) # Days from transformation date
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# Process tracking
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transformation_date = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc))
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process_notes = Column(Text, nullable=True)
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performed_by = Column(UUID(as_uuid=True), nullable=True)
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# Batch tracking
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source_batch_numbers = Column(Text, nullable=True) # JSON array of source batch numbers
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target_batch_number = Column(String(100), nullable=True)
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# Status
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is_completed = Column(Boolean, default=True)
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is_reversed = Column(Boolean, default=False)
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# Audit fields
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created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
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created_by = Column(UUID(as_uuid=True), nullable=True)
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__table_args__ = (
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Index('idx_transformations_tenant_date', 'tenant_id', 'transformation_date'),
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Index('idx_transformations_reference', 'transformation_reference'),
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Index('idx_transformations_source', 'tenant_id', 'source_ingredient_id'),
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Index('idx_transformations_target', 'tenant_id', 'target_ingredient_id'),
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Index('idx_transformations_stages', 'source_stage', 'target_stage'),
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)
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def to_dict(self) -> Dict[str, Any]:
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"""Convert model to dictionary for API responses"""
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return {
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'id': str(self.id),
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'tenant_id': str(self.tenant_id),
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'transformation_reference': self.transformation_reference,
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'source_ingredient_id': str(self.source_ingredient_id),
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'target_ingredient_id': str(self.target_ingredient_id),
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'source_stage': self.source_stage if self.source_stage else None,
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'target_stage': self.target_stage if self.target_stage else None,
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'source_quantity': self.source_quantity,
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'target_quantity': self.target_quantity,
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'conversion_ratio': self.conversion_ratio,
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'expiration_calculation_method': self.expiration_calculation_method,
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'expiration_days_offset': self.expiration_days_offset,
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'transformation_date': self.transformation_date.isoformat() if self.transformation_date else None,
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'process_notes': self.process_notes,
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'performed_by': str(self.performed_by) if self.performed_by else None,
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'source_batch_numbers': self.source_batch_numbers,
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'target_batch_number': self.target_batch_number,
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'is_completed': self.is_completed,
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'is_reversed': self.is_reversed,
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'created_at': self.created_at.isoformat() if self.created_at else None,
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'created_by': str(self.created_by) if self.created_by else None,
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}
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class StockAlert(Base):
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"""Automated stock alerts for low stock, expiration, etc."""
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__tablename__ = "stock_alerts"
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