add some new fields to quota sale transaction model - add rancher information about live stocks & quota aalocations information

apps/warehouse/models.py

@@ -1,3 +1,5 @@
+import string
+import random
 from apps.product import models as product_models
 from apps.authentication.models import User
 from apps.pos_device.models import Device
@@ -7,6 +9,7 @@ from django.db import models
 
 
 class InventoryEntry(BaseModel):
+    entry_identity = models.CharField(max_length=50, null=True)
     distribution = models.ForeignKey(
         product_models.QuotaDistribution,
         on_delete=models.CASCADE,
@@ -27,6 +30,15 @@ class InventoryEntry(BaseModel):
     is_confirmed = models.BooleanField(default=False)
     notes = models.TextField(blank=True, null=True)
 
+    def generate_entry_identity(self):  # noqa
+        """ generate identity for every device """
+        # prefix = "POS"
+        while True:
+            number_part = ''.join(random.choices(string.digits, k=6))
+            code = f"{self.distribution.quota.quota_id}{number_part}"
+            if not InventoryEntry.objects.filter(entry_identity=code).exists():
+                return code
+
     @property
     def total_sold(self):
         return self.inventory_sales.aggregate(total=models.Sum('weight'))['total'] or 0
@@ -39,6 +51,8 @@ class InventoryEntry(BaseModel):
         return f"distribution: {self.distribution.distribution_id}-{self.organization.name}"
 
     def save(self, *args, **kwargs):
+        if not self.entry_identity:
+            self.entry_identity = self.generate_entry_identity()
         super(InventoryEntry, self).save(*args, **kwargs)
 
 
@@ -83,6 +97,14 @@ class InventoryQuotaSaleTransaction(BaseModel):
         null=True
     )
     transaction_price = models.PositiveBigIntegerField(default=0)
+    price_paid = models.PositiveBigIntegerField(default=0)
+    type_of_price = (
+        ('card', 'CARD'),
+        ('cash', 'CASH'),
+        ('credit', 'CREDIT'),
+        ('check', 'CHECK'),
+    )
+    price_type = models.CharField(choices=type_of_price, max_length=50, null=True)
     description = models.TextField(blank=True, null=True)
     herd_owners_number = models.PositiveBigIntegerField(default=0)
     transactions_number = models.PositiveBigIntegerField(default=0)
@@ -92,6 +114,12 @@ class InventoryQuotaSaleTransaction(BaseModel):
         ('failed', 'Failed'),
     )
     transaction_status = models.CharField(choices=status_type, max_length=25, null=True)
+    transaction_status_code = models.IntegerField(default=0)
+    result_text = models.TextField(null=True)
+    ref_num = models.CharField(max_length=50, null=True)
+    terminal = models.CharField(max_length=50, null=True)
+    payer_cart = models.CharField(max_length=50, null=True)
+    additional = models.JSONField(default=dict)
 
     def buyers_count(self):
         """ number of buyers from specific inventory """