changes

app/models.py

@@ -168,7 +168,6 @@ class Product_Status(models.Model):
     class Meta:
         db_table = 'product_status'
 
-
 class Customer_Type(models.Model):
     code = models.CharField(max_length=30, null=False, unique=True)
     name = models.CharField(max_length=100, null=False)
@@ -666,6 +665,7 @@ class File(AutoCodeModel):
     doc_type = models.ForeignKey(Document_Type, null=True, related_name='+', on_delete=models.PROTECT)
     name = models.CharField(max_length=200, null=False)
     file = models.CharField(max_length=200, null=False)
+    hashtag= models.CharField(max_length=200, null=True)
     size = models.IntegerField(null=False)
     caption = models.CharField(max_length=200, null=True)
     create_time = models.DateTimeField(null=True, auto_now_add=True)
@@ -1958,6 +1958,18 @@ class Transaction_Discount(models.Model):
         db_table = 'transaction_discount'
         unique_together = ('transaction', 'discount')
         
+
+class Co_Ownership(models.Model):
+    code = models.CharField(max_length=30, null=False, unique=True)
+    transaction = models.ForeignKey(Transaction, null=False, related_name='+', on_delete=models.PROTECT)
+    people = models.ForeignKey(People, null=False, related_name='+', on_delete=models.PROTECT)
+    create_time = models.DateTimeField(null=True, auto_now_add=True)
+    update_time = models.DateTimeField(null=True, auto_now=True)
+
+    class Meta:
+        db_table = 'co_ownership'
+        unique_together = ('transaction', 'people')
+        
 class Workflow(models.Model):
     """
     Bảng Workflow: Quản lý các luồng chính (multi-flow cho dự án).