104 lines
4.5 KiB
Python
104 lines
4.5 KiB
Python
from django.db import models
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from django.core.validators import MinValueValidator
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from decimal import Decimal
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from django.contrib.auth.models import User
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from django.utils import timezone
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class UserProfile(models.Model):
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user = models.OneToOneField(User, on_delete=models.CASCADE, related_name='profile')
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pin = models.CharField(max_length=4, help_text="4-digit PIN for login")
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is_admin = models.BooleanField(default=False)
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def __str__(self):
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return f"{self.user.username}'s profile"
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class Project(models.Model):
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name = models.CharField(max_length=200)
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description = models.TextField(blank=True)
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supervisors = models.ManyToManyField(User, related_name='assigned_projects', blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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is_active = models.BooleanField(default=True)
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def __str__(self):
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return self.name
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class Worker(models.Model):
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name = models.CharField(max_length=200)
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id_no = models.CharField(max_length=50, unique=True, verbose_name="ID Number")
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phone_no = models.CharField(max_length=20, verbose_name="Phone Number")
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monthly_salary = models.DecimalField(max_digits=10, decimal_places=2, validators=[MinValueValidator(Decimal('0.00'))])
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created_at = models.DateTimeField(auto_now_add=True)
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is_active = models.BooleanField(default=True)
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@property
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def day_rate(self):
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return self.monthly_salary / Decimal('20.0')
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def __str__(self):
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return self.name
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class Team(models.Model):
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name = models.CharField(max_length=200)
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workers = models.ManyToManyField(Worker, related_name='teams')
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supervisor = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True, related_name='managed_teams')
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created_at = models.DateTimeField(auto_now_add=True)
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is_active = models.BooleanField(default=True)
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def __str__(self):
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return self.name
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class WorkLog(models.Model):
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date = models.DateField()
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project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name='logs')
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workers = models.ManyToManyField(Worker, related_name='work_logs')
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supervisor = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
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notes = models.TextField(blank=True)
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def __str__(self):
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return f"{self.date} - {self.project.name}"
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class PayrollRecord(models.Model):
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worker = models.ForeignKey(Worker, on_delete=models.CASCADE, related_name='payroll_records')
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date = models.DateField(default=timezone.now)
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amount = models.DecimalField(max_digits=10, decimal_places=2)
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work_logs = models.ManyToManyField(WorkLog, related_name='paid_in')
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created_at = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return f"Payment to {self.worker.name} on {self.date}"
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class Loan(models.Model):
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worker = models.ForeignKey(Worker, on_delete=models.CASCADE, related_name='loans')
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amount = models.DecimalField(max_digits=10, decimal_places=2, help_text="Principal amount borrowed")
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balance = models.DecimalField(max_digits=10, decimal_places=2, default=0, help_text="Remaining amount to be repaid")
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date = models.DateField(default=timezone.now)
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reason = models.TextField(blank=True)
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is_active = models.BooleanField(default=True)
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def save(self, *args, **kwargs):
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if not self.pk: # On creation
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self.balance = self.amount
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super().save(*args, **kwargs)
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def __str__(self):
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return f"Loan for {self.worker.name} - R{self.amount}"
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class PayrollAdjustment(models.Model):
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ADJUSTMENT_TYPES = [
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('BONUS', 'Bonus'),
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('OVERTIME', 'Overtime'),
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('DEDUCTION', 'Deduction'),
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('LOAN_REPAYMENT', 'Loan Repayment'),
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('LOAN', 'New Loan'),
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]
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worker = models.ForeignKey(Worker, on_delete=models.CASCADE, related_name='adjustments')
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payroll_record = models.ForeignKey(PayrollRecord, on_delete=models.SET_NULL, null=True, blank=True, related_name='adjustments')
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loan = models.ForeignKey(Loan, on_delete=models.SET_NULL, null=True, blank=True, related_name='repayments')
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amount = models.DecimalField(max_digits=10, decimal_places=2, help_text="Positive adds to pay, negative subtracts (except for Loan Repayment which is auto-handled)")
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date = models.DateField(default=timezone.now)
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description = models.CharField(max_length=255)
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type = models.CharField(max_length=20, choices=ADJUSTMENT_TYPES, default='DEDUCTION')
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def __str__(self):
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return f"{self.get_type_display()} - {self.amount} for {self.worker.name}" |