212 lines
9.0 KiB
Python
212 lines
9.0 KiB
Python
from django.db import models
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from django.utils.translation import gettext_lazy as _
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from django.contrib.auth.models import User
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from django.utils import timezone
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import datetime
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class Department(models.Model):
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name_en = models.CharField(_("Name (English)"), max_length=100)
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name_ar = models.CharField(_("Name (Arabic)"), max_length=100)
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description = models.TextField(_("Description"), blank=True)
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def __str__(self):
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return f"{self.name_en} / {self.name_ar}"
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class JobPosition(models.Model):
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title_en = models.CharField(_("Job Title (English)"), max_length=100)
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title_ar = models.CharField(_("Job Title (Arabic)"), max_length=100)
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department = models.ForeignKey(Department, on_delete=models.CASCADE, related_name='positions', verbose_name=_("Department"))
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def __str__(self):
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return f"{self.title_en} / {self.title_ar}"
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class Employee(models.Model):
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STATUS_CHOICES = [
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('active', _('Active')),
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('on_leave', _('On Leave')),
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('terminated', _('Terminated')),
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('resigned', _('Resigned')),
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]
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GENDER_CHOICES = [
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('M', _('Male')),
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('F', _('Female')),
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]
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user = models.OneToOneField(User, on_delete=models.SET_NULL, null=True, blank=True, related_name='employee_profile', verbose_name=_("User Account"))
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first_name = models.CharField(_("First Name"), max_length=100)
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last_name = models.CharField(_("Last Name"), max_length=100)
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email = models.EmailField(_("Email"), unique=True)
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phone = models.CharField(_("Phone Number"), max_length=20)
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gender = models.CharField(_("Gender"), max_length=1, choices=GENDER_CHOICES, default='M')
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department = models.ForeignKey(Department, on_delete=models.SET_NULL, null=True, blank=True, related_name='employees', verbose_name=_("Department"))
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job_position = models.ForeignKey(JobPosition, on_delete=models.SET_NULL, null=True, blank=True, related_name='employees', verbose_name=_("Job Position"))
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hire_date = models.DateField(_("Hire Date"), default=timezone.now)
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salary = models.DecimalField(_("Basic Salary"), max_digits=10, decimal_places=2, default=0)
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status = models.CharField(_("Status"), max_length=20, choices=STATUS_CHOICES, default='active')
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address = models.TextField(_("Address"), blank=True)
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date_of_birth = models.DateField(_("Date of Birth"), null=True, blank=True)
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# New field for linking with biometric device
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biometric_id = models.IntegerField(_("Biometric Device ID"), null=True, blank=True, help_text=_("The User ID used on the attendance device"))
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return f"{self.first_name} {self.last_name}"
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class BiometricDevice(models.Model):
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DEVICE_TYPES = [
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('zkteco', _('ZKTeco')),
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('other', _('Other')),
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]
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STATUS_CHOICES = [
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('active', _('Active')),
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('inactive', _('Inactive')),
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]
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name = models.CharField(_("Device Name"), max_length=100)
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ip_address = models.GenericIPAddressField(_("IP Address"))
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port = models.PositiveIntegerField(_("Port"), default=4370)
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device_type = models.CharField(_("Device Type"), max_length=20, choices=DEVICE_TYPES, default='zkteco')
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status = models.CharField(_("Status"), max_length=20, choices=STATUS_CHOICES, default='active')
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last_sync = models.DateTimeField(_("Last Sync"), null=True, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return f"{self.name} ({self.ip_address})"
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def sync_data(self):
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"""
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Connects to the device and fetches attendance records.
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Returns a summary dictionary: {'new': count, 'total': count, 'error': str}
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"""
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if self.device_type != 'zkteco':
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return {'error': 'Only ZKTeco devices are supported for auto-sync currently.'}
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from zk import ZK
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conn = None
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try:
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conn = ZK(self.ip_address, port=self.port, timeout=10)
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conn.connect()
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# self.status = 'active' # Update status on successful connect
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attendance_list = conn.get_attendance()
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new_records = 0
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for att in attendance_list:
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user_id = att.user_id # String or Int depending on device
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timestamp = att.timestamp
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try:
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# Find employee with this biometric ID
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# We cast user_id to int to be safe if model is int
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emp_id = int(user_id)
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employee = Employee.objects.filter(biometric_id=emp_id).first()
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if employee:
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date = timestamp.date()
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time = timestamp.time()
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# Get or create attendance record for this day
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attendance, created = Attendance.objects.get_or_create(
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employee=employee,
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date=date,
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defaults={'device': self}
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)
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updated = False
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# Logic: First punch is check_in, Last punch is check_out
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if attendance.check_in is None:
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attendance.check_in = time
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updated = True
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elif time < attendance.check_in:
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# If we found an earlier time, update check_in
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attendance.check_in = time
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updated = True
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if attendance.check_out is None and time > attendance.check_in:
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attendance.check_out = time
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updated = True
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elif attendance.check_out and time > attendance.check_out:
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attendance.check_out = time
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updated = True
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if created:
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new_records += 1
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elif updated:
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attendance.save()
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except ValueError:
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continue # Skip if user_id is not parseable
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except Exception as e:
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print(f"Error processing record: {e}")
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continue
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self.last_sync = timezone.now()
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self.status = 'active'
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self.save()
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return {'new': new_records, 'total': len(attendance_list), 'error': None}
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except Exception as e:
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self.status = 'inactive'
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self.save()
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return {'error': str(e)}
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finally:
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if conn:
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conn.disconnect()
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class Attendance(models.Model):
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employee = models.ForeignKey(Employee, on_delete=models.CASCADE, related_name='attendances', verbose_name=_("Employee"))
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date = models.DateField(_("Date"), default=timezone.now)
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check_in = models.TimeField(_("Check In"), null=True, blank=True)
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check_out = models.TimeField(_("Check Out"), null=True, blank=True)
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notes = models.TextField(_("Notes"), blank=True)
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device = models.ForeignKey(BiometricDevice, on_delete=models.SET_NULL, null=True, blank=True, related_name='attendances', verbose_name=_("Source Device"))
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class Meta:
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ordering = ['-date']
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unique_together = ['employee', 'date'] # Prevent duplicate rows per day per employee
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def __str__(self):
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return f"{self.employee} - {self.date}"
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class LeaveRequest(models.Model):
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LEAVE_TYPES = [
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('annual', _('Annual Leave')),
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('sick', _('Sick Leave')),
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('unpaid', _('Unpaid Leave')),
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('maternity', _('Maternity Leave')),
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('other', _('Other')),
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]
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STATUS_CHOICES = [
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('pending', _('Pending')),
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('approved', _('Approved')),
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('rejected', _('Rejected')),
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]
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employee = models.ForeignKey(Employee, on_delete=models.CASCADE, related_name='leave_requests', verbose_name=_("Employee"))
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leave_type = models.CharField(_("Leave Type"), max_length=20, choices=LEAVE_TYPES, default='annual')
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start_date = models.DateField(_("Start Date"))
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end_date = models.DateField(_("End Date"))
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reason = models.TextField(_("Reason"), blank=True)
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status = models.CharField(_("Status"), max_length=20, choices=STATUS_CHOICES, default='pending')
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approved_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True, related_name='approved_leaves', verbose_name=_("Approved By"))
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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"{self.employee} ({self.start_date} to {self.end_date})"
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@property
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def duration_days(self):
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return (self.end_date - self.start_date).days + 1
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