add: add chat for income and expence

core/apps/finance/models/income_chat.py

@@ -0,0 +1,30 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.finance.models import Income
+from core.apps.accounts.models import User
+
+
+class IncomeChat(BaseModel):
+    income = models.OneToOneField(Income, on_delete=models.CASCADE, related_name='income_chat')
+
+    def __str__(self):
+        return f'{self.income} chat'
+    
+    class Meta:
+        verbose_name = 'Kirim chat'
+        verbose_name_plural = 'Kirim chatlari'
+
+
+class IncomeMessage(BaseModel):
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='income_messages')
+    chat = models.ForeignKey(IncomeChat, on_delete=models.CASCADE, related_name='income_messages')
+    file = models.FileField(upload_to='finanice/income/message/', null=True, blank=True)
+    message = models.CharField(max_length=250, null=True, blank=True)
+    
+    def __str__(self):
+        return f'message from {self.user} for {self.chat}'
+    
+    class Meta:
+        verbose_name = 'Chiqim xabari'
+        verbose_name_plural = 'Chiqim xabarlari'