Files
bonamin a675c2e091 feat: Phase 2D — expense tracking + supplier contact book
Backend:
- New models: Contact, Expense, ExpensePayment (3 new tables)
- Expense status (paid/partial/due) is always computed from paid_amount vs total_amount — never stored
- paid_amount recomputed from sum of all payments on each payment write (no client trust)
- New router /api/contacts/: list, create, update, soft-delete (is_active=false)
- New router /api/expenses/: list (filter by status/category/contact), create, update, delete,
  record payment, summary (total_due, total_paid, by_category)
- Migrations: CREATE TABLE IF NOT EXISTS for contacts, expenses, expense_payments

Frontend:
- ContactsPage (/contacts): searchable table, type badge (Προμηθευτής/Προσωπικό/Κοινή Χρεία/Άλλο),
  create/edit modal, soft-delete
- ExpensesPage (/expenses): filter bar (status + category), expandable rows with payment history,
  summary header showing total outstanding, inline Payment modal (defaults to full due amount),
  create/edit expense modal
- Sidebar: Receipt icon for Έξοδα, BookUser icon for Επαφές

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-08 02:33:20 +03:00

59 lines
2.4 KiB
Python

from sqlalchemy import Column, Integer, String, Boolean, DateTime, Float, ForeignKey, Text
from sqlalchemy.orm import relationship
from datetime import datetime, timezone
from database import Base
def _utcnow():
return datetime.now(timezone.utc)
class Contact(Base):
__tablename__ = "contacts"
id = Column(Integer, primary_key=True, index=True)
name = Column(String, nullable=False)
type = Column(String, default="supplier", nullable=False) # supplier|staff|utility|other
phone = Column(String, nullable=True)
email = Column(String, nullable=True)
address = Column(Text, nullable=True)
notes = Column(Text, nullable=True)
is_active = Column(Boolean, default=True, nullable=False)
created_at = Column(DateTime(timezone=True), default=_utcnow)
expenses = relationship("Expense", back_populates="contact")
class Expense(Base):
__tablename__ = "expenses"
id = Column(Integer, primary_key=True, index=True)
description = Column(String, nullable=False)
category = Column(String, nullable=False) # supplier|utilities|rent|maintenance|staff|equipment|other
contact_id = Column(Integer, ForeignKey("contacts.id"), nullable=True)
total_amount = Column(Float, nullable=False)
paid_amount = Column(Float, default=0.0, nullable=False)
due_date = Column(DateTime(timezone=True), nullable=True)
business_day_id = Column(Integer, ForeignKey("business_days.id"), nullable=True)
created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
created_at = Column(DateTime(timezone=True), default=_utcnow)
notes = Column(Text, nullable=True)
contact = relationship("Contact", back_populates="expenses")
created_by = relationship("User", foreign_keys=[created_by_id])
payments = relationship("ExpensePayment", back_populates="expense", cascade="all, delete-orphan")
class ExpensePayment(Base):
__tablename__ = "expense_payments"
id = Column(Integer, primary_key=True, index=True)
expense_id = Column(Integer, ForeignKey("expenses.id"), nullable=False)
amount = Column(Float, nullable=False)
paid_at = Column(DateTime(timezone=True), default=_utcnow)
paid_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
notes = Column(Text, nullable=True)
expense = relationship("Expense", back_populates="payments")
paid_by = relationship("User", foreign_keys=[paid_by_id])