from django.db import models


class DepartmentOperations(models.Model):
    department = models.CharField(max_length=255)
    year_month = models.CharField(max_length=7)
    current_month_revenue = models.DecimalField(max_digits=15, decimal_places=2)
    current_month_new_revenue = models.DecimalField(max_digits=15, decimal_places=2)
    current_month_existing_revenue = models.DecimalField(max_digits=15, decimal_places=2)
    current_month_cost = models.DecimalField(max_digits=15, decimal_places=2)
    gross_profit = models.DecimalField(max_digits=15, decimal_places=2)
    taxes_and_surcharges = models.DecimalField(max_digits=15, decimal_places=2)
    expenses = models.DecimalField(max_digits=15, decimal_places=2)
    operating_profit = models.DecimalField(max_digits=15, decimal_places=2)
    operational_cash_flow = models.DecimalField(max_digits=15, decimal_places=2)

    class Meta:
        verbose_name = '各一级部门经营情况'
        verbose_name_plural = verbose_name

    def __str__(self):
        return f"{self.department} - {self.year_month}"