CPA-294 Buyer Supplier model update

- [x] Add `country_id` integer and `summary` JSON column in `country_buyer` table
- [x] Set buyer country id value when creating buyer during contract data import
- [x] Add `country_id` integer and `summary` JSON column in `country_supplier` table
- [x] Set supplier country id value when creating buyer during contract data import# Please enter the commit message for your changes. Lines starting

country/migrations/0034_auto_20210505_1156.py

@@ -0,0 +1,34 @@
+# Generated by Django 3.1.7 on 2021-05-05 11:56
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('country', '0033_merge_20210416_0530'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='buyer',
+            name='country',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='buyers', to='country.country'),
+        ),
+        migrations.AddField(
+            model_name='buyer',
+            name='summary',
+            field=models.JSONField(null=True),
+        ),
+        migrations.AddField(
+            model_name='supplier',
+            name='country',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='suppliers', to='country.country'),
+        ),
+        migrations.AddField(
+            model_name='supplier',
+            name='summary',
+            field=models.JSONField(null=True),
+        ),
+    ]

country/models.py

@@ -138,6 +138,8 @@ class Supplier(models.Model):
         verbose_name=_("Supplier name"), max_length=250, null=True, blank=True, db_index=True
     )
     supplier_address = models.CharField(verbose_name=_("Supplier address"), max_length=250, null=True, blank=True)
+    country = models.ForeignKey(Country, on_delete=models.CASCADE, related_name="suppliers", null=True)
+    summary = models.JSONField(null=True)
     objects = SupplierManager()
 
     def __str__(self):
@@ -148,6 +150,8 @@ class Buyer(models.Model):
     buyer_id = models.CharField(verbose_name=_("Buyer ID"), max_length=50, null=True)
     buyer_name = models.CharField(verbose_name=_("Buyer name"), max_length=250, null=True, blank=True, db_index=True)
     buyer_address = models.CharField(verbose_name=_("Buyer address"), max_length=250, null=True, blank=True)
+    country = models.ForeignKey(Country, on_delete=models.CASCADE, related_name="buyers", null=True)
+    summary = models.JSONField(null=True)
     objects = BuyerManager()
 
     def __str__(self):

country/tasks.py

@@ -265,6 +265,7 @@ def import_tender_from_batch_id(batch_id, country, currency):
                         supplier_id=supplier_id,
                         supplier_name=supplier_name,
                         supplier_address=supplier_address,
+                        country=country_obj,
                     )
                     supplier_obj.save()
             else:
@@ -280,6 +281,7 @@ def import_tender_from_batch_id(batch_id, country, currency):
                         buyer_id=buyer_id,
                         buyer_name=buyer_name,
                         buyer_address=buyer_address,
+                        country=country_obj,
                     )
                     buyer_obj.save()
             else: