134 lines
6.4 KiB
Python
134 lines
6.4 KiB
Python
from sqlalchemy import Column, Integer, String, Float, DateTime, Date, ForeignKey, Boolean, Text
|
|
from sqlalchemy.sql import func
|
|
from .database import Base
|
|
|
|
class User(Base):
|
|
__tablename__ = "users"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
username = Column(String, unique=True, index=True, nullable=False)
|
|
hashed_password = Column(String, nullable=False)
|
|
role = Column(String, default="user", nullable=False) # admin, user, readonly
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
|
|
|
|
class Drug(Base):
|
|
__tablename__ = "drugs"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
name = Column(String, unique=True, index=True, nullable=False)
|
|
description = Column(String, nullable=True)
|
|
is_controlled = Column(Boolean, nullable=False, default=False)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
|
|
|
|
|
|
class DrugVariant(Base):
|
|
__tablename__ = "drug_variants"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
drug_id = Column(Integer, ForeignKey("drugs.id"), nullable=False)
|
|
strength = Column(String, nullable=False) # e.g., "5.4mg", "16mg", "100ml"
|
|
quantity = Column(Float, nullable=False, default=0)
|
|
unit = Column(String, nullable=False, default="units") # tablets, bottles, ml, etc
|
|
low_stock_threshold = Column(Float, nullable=False, default=10)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
|
|
|
|
|
|
class VariantPack(Base):
|
|
__tablename__ = "variant_packs"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
drug_variant_id = Column(Integer, ForeignKey("drug_variants.id"), nullable=False, index=True)
|
|
pack_unit_name = Column(String, nullable=False, default="pack")
|
|
pack_size_in_base_units = Column(Float, nullable=False, default=1)
|
|
is_active = Column(Boolean, nullable=False, default=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
|
|
|
|
|
|
class Dispensing(Base):
|
|
__tablename__ = "dispensings"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
drug_variant_id = Column(Integer, ForeignKey("drug_variants.id"), nullable=False)
|
|
batch_id = Column(Integer, ForeignKey("batches.id"), nullable=True)
|
|
actor_user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
|
|
quantity = Column(Float, nullable=False)
|
|
dispense_mode = Column(String, nullable=False, default="subunit")
|
|
requested_pack_id = Column(Integer, ForeignKey("variant_packs.id"), nullable=True)
|
|
requested_pack_count = Column(Float, nullable=True)
|
|
animal_name = Column(String, nullable=True) # Name/ID of the animal (optional)
|
|
prescribing_vet = Column(String, nullable=True) # Prescribing vet's name (required for controlled drugs)
|
|
user_name = Column(String, nullable=False) # User who dispensed
|
|
dispensed_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
|
|
notes = Column(String, nullable=True)
|
|
|
|
|
|
class Location(Base):
|
|
__tablename__ = "locations"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
name = Column(String, unique=True, index=True, nullable=False)
|
|
is_active = Column(Boolean, nullable=False, default=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
|
|
|
|
|
|
class Batch(Base):
|
|
__tablename__ = "batches"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
drug_variant_id = Column(Integer, ForeignKey("drug_variants.id"), nullable=False, index=True)
|
|
batch_number = Column(String, nullable=False, index=True)
|
|
quantity = Column(Float, nullable=False, default=0)
|
|
received_pack_id = Column(Integer, ForeignKey("variant_packs.id"), nullable=True)
|
|
received_pack_count = Column(Float, nullable=True)
|
|
received_pack_size_snapshot = Column(Float, nullable=True)
|
|
current_full_pack_count = Column(Float, nullable=True)
|
|
current_loose_base_units = Column(Float, nullable=True)
|
|
expiry_date = Column(Date, nullable=False, index=True)
|
|
location_id = Column(Integer, ForeignKey("locations.id"), nullable=False, index=True)
|
|
received_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now(), index=True)
|
|
notes = Column(String, nullable=True)
|
|
disposed_at = Column(DateTime(timezone=True), nullable=True, index=True)
|
|
disposed_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
|
|
disposed_quantity = Column(Float, nullable=True)
|
|
disposal_notes = Column(String, nullable=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
|
|
|
|
|
|
class DispensingAllocation(Base):
|
|
__tablename__ = "dispensing_allocations"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
dispensing_id = Column(Integer, ForeignKey("dispensings.id"), nullable=False, index=True)
|
|
batch_id = Column(Integer, ForeignKey("batches.id"), nullable=False, index=True)
|
|
quantity = Column(Float, nullable=False)
|
|
|
|
|
|
class GtinMapping(Base):
|
|
__tablename__ = "gtin_mappings"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
gtin = Column(String(14), unique=True, index=True, nullable=False)
|
|
drug_variant_id = Column(Integer, ForeignKey("drug_variants.id"), nullable=False, index=True)
|
|
variant_pack_id = Column(Integer, ForeignKey("variant_packs.id"), nullable=False, index=True)
|
|
created_by_user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now())
|
|
|
|
|
|
class AuditLog(Base):
|
|
__tablename__ = "audit_logs"
|
|
|
|
id = Column(Integer, primary_key=True, index=True)
|
|
action = Column(String, nullable=False, index=True)
|
|
entity_type = Column(String, nullable=False, index=True)
|
|
entity_id = Column(Integer, nullable=True, index=True)
|
|
actor_user_id = Column(Integer, ForeignKey("users.id"), nullable=True, index=True)
|
|
actor_username = Column(String, nullable=False, index=True)
|
|
details = Column(Text, nullable=True)
|
|
created_at = Column(DateTime(timezone=True), server_default=func.now(), index=True)
|