Files
eimzo/core/apps/contracts/models/contract.py
2025-07-17 14:49:06 +05:00

100 lines
3.6 KiB
Python

import random
from datetime import timedelta
from django.db import models
from django.contrib.auth import get_user_model
from django.utils import timezone
from core.apps.shared.models.base import BaseModel
from core.apps.contracts.enums.contract import SIDES, STATUS
from core.apps.contracts.enums.contract_side import ROLE
from core.apps.contracts.enums.contract_signature import SIGNATURE_TYPE, SIGNATURE_STATUS
class Contract(BaseModel):
file = models.FileField(upload_to="contract/files/%Y/%m/")
contract_number = models.PositiveIntegerField()
name = models.CharField(max_length=200)
sides = models.CharField(max_length=13, choices=SIDES) # choices
status = models.CharField(max_length=15, choices=STATUS, default='created') # choices
face_id = models.BooleanField(default=False)
attach_file = models.BooleanField(default=False)
add_folder = models.BooleanField(default=False)
add_notification = models.BooleanField(default=False)
company = models.ForeignKey(get_user_model(), on_delete=models.CASCADE, related_name='c')
def __str__(self):
return f'{self.name}'
class Meta:
verbose_name = 'contract'
verbose_name_plural = 'contracts'
db_table = 'contracts'
class ContractSide(BaseModel):
full_name = models.CharField(max_length=70)
indentification = models.CharField(max_length=20)
position = models.CharField(max_length=50, null=True, blank=True)
has_indentification = models.BooleanField(default=False)
user_role = models.CharField(max_length=9, choices=ROLE)
contract = models.ForeignKey(Contract, on_delete=models.CASCADE, related_name='contract_sides')
user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE, related_name='contract_sides')
def __str__(self):
return f"{self.full_name} - {self.contract}"
class Meta:
verbose_name = 'contract side'
verbose_name_plural = 'contract sides'
db_table = 'contracts_sides'
unique_together = ['contract', 'user']
class ContractSignature(BaseModel):
contract = models.ForeignKey(Contract, on_delete=models.CASCADE, related_name='contract_signatures')
contract_side = models.OneToOneField(ContractSide, on_delete=models.CASCADE, related_name='contract_signatures')
status = models.CharField(max_length=20, choices=SIGNATURE_STATUS, default='organized')
signature_type = models.CharField(max_length=20, choices=SIGNATURE_TYPE, null=True, blank=True)
is_signature = models.BooleanField(default=False)
def __str__(self):
return f'{self.contract_side} user signature for {self.contract} contract'
def generate_code(self):
code = ''.join([str(random.randint(1, 9) % 10) for _ in range(4)])
ContractSignatureCode.objects.create(
code=code,
signature=self,
expiration_time = timezone.now() + timedelta(minutes=2)
)
return code
class Meta:
verbose_name = 'contract signature'
verbose_name_plural = 'contract signatures'
db_table = 'contract_signatures'
unique_together = ['contract', 'contract_side']
class ContractSignatureCode(BaseModel):
code = models.PositiveSmallIntegerField()
signature = models.ForeignKey(ContractSignature, on_delete=models.CASCADE, related_name='signature_codes')
expiration_time = models.DateTimeField()
def __str__(self):
return f'{self.code} - {self.signature}'
class Meta:
verbose_name = 'contract signature code'
verbose_name_plural = 'contract signature codes'
db_table = 'contract_signature_codes'